The document discusses topics related to supporting, upgrading, and troubleshooting notebooks, including selecting and connecting peripheral devices. It covers special considerations for servicing notebooks like avoiding actions that could void the warranty and using manufacturer-provided diagnostic tools and documentation. Guidelines are provided for caring for notebooks, managing power usage, and setting passwords and backups to secure data. Tablet PCs and PDAs are also briefly mentioned.
overview:-
This chapter covers:
What computers are, how they work, and how they are used
Computer terminology
An overview of the history of computers
The basic types of computers in use today
How to access resources on the Internet
Societal impacts of computers
Why learn about computers?
Pervasive computing
Also known as ubiquitous computing
Computers have become an integral part of our lives
Basic computer literacy
Understanding what a computer is and how it works
This chapter covers:
- What computers are, how they work, and how they are used
- Computer terminology
- An overview of the history of computers
- The basic types of computers in use today
- An overview of networks and the Internet
- Societal impacts of computers
Computer Hardware Networking Solution | Delta IT NetworkDelta Web Services
Delta IT Network provide complete hardware Networking Solution in Gurgaon. We also provide Computer laptop on rent in Gurgaon Delhi NCR. http://www.deltaitnetwork.com.
Tablet Interpreting: Tips, tools and applications to make the most of your ta...Josh Goldsmith
Slides from the hour-long webinar on tablet interpreting presented by Alexander Drechsel and Josh Goldsmith for International Translation Day 2016.
Webinar presented as part of the Proz International Translation Day Conference, September 28-30, 2016
overview:-
This chapter covers:
What computers are, how they work, and how they are used
Computer terminology
An overview of the history of computers
The basic types of computers in use today
How to access resources on the Internet
Societal impacts of computers
Why learn about computers?
Pervasive computing
Also known as ubiquitous computing
Computers have become an integral part of our lives
Basic computer literacy
Understanding what a computer is and how it works
This chapter covers:
- What computers are, how they work, and how they are used
- Computer terminology
- An overview of the history of computers
- The basic types of computers in use today
- An overview of networks and the Internet
- Societal impacts of computers
Computer Hardware Networking Solution | Delta IT NetworkDelta Web Services
Delta IT Network provide complete hardware Networking Solution in Gurgaon. We also provide Computer laptop on rent in Gurgaon Delhi NCR. http://www.deltaitnetwork.com.
Tablet Interpreting: Tips, tools and applications to make the most of your ta...Josh Goldsmith
Slides from the hour-long webinar on tablet interpreting presented by Alexander Drechsel and Josh Goldsmith for International Translation Day 2016.
Webinar presented as part of the Proz International Translation Day Conference, September 28-30, 2016
With the ever-increasing role played by technology in every point of life , People are connecting every time through internet. At this time Technology is the real utility of Human life. FixSmith is here 24/7 at your service. DIAL US our Toll Free Number +1-877-255-3353 or Email US at info@fixsmith.com.
Buku Pengenalan Pemodelan Sistem Dinamik menggunakan Vensim PLE ini merupakan buku yang diperuntukkan bagi mereka yang baru belajar sistem dinamik untuk pertama kali dan/atau juga bagi mereka sebelumnya sudah pernah belajar sistem dinamik. Selain mudah dalam pengoperasiannya, perangkat lunak Vensim PLE yang digunakan pada buku ini tersedia dalam versi yang dapat diunduh secara gratis sehingga dapat digunakan oleh pengguna atau pemodel pemula dan kalangan akademisi yang ingin belajar sistem dinamik.
Secara umum, buku ini mengupas cara menggunakan dan mengoperasikan perangkat lunak Vensim PLE untuk memodelkan sistem dinamik, mulai dari cara instalasinya, pengenalan perangkat (tools) analisis, menu, dan fungsi-fungsi yang ada, cara pembuatan diagram baik diagram simpal kausal maupun diagram stock dan flow serta menyimulasikannya sampai dengan pembuatan simulator sederhana. Selain itu, dalam buku ini juga diulas secara ringkas konsep-konsep dasar pemodelan sistem dinamik disertai contoh-contoh modelnya, seperti umpan balik penguatan, penyeimbangan, ketertundaan atau delay dalam sistem dinamik, osilasi, model kurva-S, dan model overshoot dan kolaps sehingga para pembaca buku ini bisa juga mendapatkan pemahaman dasar pemodelan sistem dinamik.
https://guepediastore.com/products/6019336/pengenalan-pemodelan-sistem-dinamik-menggunakan-vensim-ple
Software Delivery At the Speed of AI: Inflectra Invests In AI-Powered QualityInflectra
In this insightful webinar, Inflectra explores how artificial intelligence (AI) is transforming software development and testing. Discover how AI-powered tools are revolutionizing every stage of the software development lifecycle (SDLC), from design and prototyping to testing, deployment, and monitoring.
Learn about:
• The Future of Testing: How AI is shifting testing towards verification, analysis, and higher-level skills, while reducing repetitive tasks.
• Test Automation: How AI-powered test case generation, optimization, and self-healing tests are making testing more efficient and effective.
• Visual Testing: Explore the emerging capabilities of AI in visual testing and how it's set to revolutionize UI verification.
• Inflectra's AI Solutions: See demonstrations of Inflectra's cutting-edge AI tools like the ChatGPT plugin and Azure Open AI platform, designed to streamline your testing process.
Whether you're a developer, tester, or QA professional, this webinar will give you valuable insights into how AI is shaping the future of software delivery.
Connector Corner: Automate dynamic content and events by pushing a buttonDianaGray10
Here is something new! In our next Connector Corner webinar, we will demonstrate how you can use a single workflow to:
Create a campaign using Mailchimp with merge tags/fields
Send an interactive Slack channel message (using buttons)
Have the message received by managers and peers along with a test email for review
But there’s more:
In a second workflow supporting the same use case, you’ll see:
Your campaign sent to target colleagues for approval
If the “Approve” button is clicked, a Jira/Zendesk ticket is created for the marketing design team
But—if the “Reject” button is pushed, colleagues will be alerted via Slack message
Join us to learn more about this new, human-in-the-loop capability, brought to you by Integration Service connectors.
And...
Speakers:
Akshay Agnihotri, Product Manager
Charlie Greenberg, Host
Slack (or Teams) Automation for Bonterra Impact Management (fka Social Soluti...Jeffrey Haguewood
Sidekick Solutions uses Bonterra Impact Management (fka Social Solutions Apricot) and automation solutions to integrate data for business workflows.
We believe integration and automation are essential to user experience and the promise of efficient work through technology. Automation is the critical ingredient to realizing that full vision. We develop integration products and services for Bonterra Case Management software to support the deployment of automations for a variety of use cases.
This video focuses on the notifications, alerts, and approval requests using Slack for Bonterra Impact Management. The solutions covered in this webinar can also be deployed for Microsoft Teams.
Interested in deploying notification automations for Bonterra Impact Management? Contact us at sales@sidekicksolutionsllc.com to discuss next steps.
UiPath Test Automation using UiPath Test Suite series, part 4DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 4. In this session, we will cover Test Manager overview along with SAP heatmap.
The UiPath Test Manager overview with SAP heatmap webinar offers a concise yet comprehensive exploration of the role of a Test Manager within SAP environments, coupled with the utilization of heatmaps for effective testing strategies.
Participants will gain insights into the responsibilities, challenges, and best practices associated with test management in SAP projects. Additionally, the webinar delves into the significance of heatmaps as a visual aid for identifying testing priorities, areas of risk, and resource allocation within SAP landscapes. Through this session, attendees can expect to enhance their understanding of test management principles while learning practical approaches to optimize testing processes in SAP environments using heatmap visualization techniques
What will you get from this session?
1. Insights into SAP testing best practices
2. Heatmap utilization for testing
3. Optimization of testing processes
4. Demo
Topics covered:
Execution from the test manager
Orchestrator execution result
Defect reporting
SAP heatmap example with demo
Speaker:
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
Essentials of Automations: Optimizing FME Workflows with ParametersSafe Software
Are you looking to streamline your workflows and boost your projects’ efficiency? Do you find yourself searching for ways to add flexibility and control over your FME workflows? If so, you’re in the right place.
Join us for an insightful dive into the world of FME parameters, a critical element in optimizing workflow efficiency. This webinar marks the beginning of our three-part “Essentials of Automation” series. This first webinar is designed to equip you with the knowledge and skills to utilize parameters effectively: enhancing the flexibility, maintainability, and user control of your FME projects.
Here’s what you’ll gain:
- Essentials of FME Parameters: Understand the pivotal role of parameters, including Reader/Writer, Transformer, User, and FME Flow categories. Discover how they are the key to unlocking automation and optimization within your workflows.
- Practical Applications in FME Form: Delve into key user parameter types including choice, connections, and file URLs. Allow users to control how a workflow runs, making your workflows more reusable. Learn to import values and deliver the best user experience for your workflows while enhancing accuracy.
- Optimization Strategies in FME Flow: Explore the creation and strategic deployment of parameters in FME Flow, including the use of deployment and geometry parameters, to maximize workflow efficiency.
- Pro Tips for Success: Gain insights on parameterizing connections and leveraging new features like Conditional Visibility for clarity and simplicity.
We’ll wrap up with a glimpse into future webinars, followed by a Q&A session to address your specific questions surrounding this topic.
Don’t miss this opportunity to elevate your FME expertise and drive your projects to new heights of efficiency.
LF Energy Webinar: Electrical Grid Modelling and Simulation Through PowSyBl -...DanBrown980551
Do you want to learn how to model and simulate an electrical network from scratch in under an hour?
Then welcome to this PowSyBl workshop, hosted by Rte, the French Transmission System Operator (TSO)!
During the webinar, you will discover the PowSyBl ecosystem as well as handle and study an electrical network through an interactive Python notebook.
PowSyBl is an open source project hosted by LF Energy, which offers a comprehensive set of features for electrical grid modelling and simulation. Among other advanced features, PowSyBl provides:
- A fully editable and extendable library for grid component modelling;
- Visualization tools to display your network;
- Grid simulation tools, such as power flows, security analyses (with or without remedial actions) and sensitivity analyses;
The framework is mostly written in Java, with a Python binding so that Python developers can access PowSyBl functionalities as well.
What you will learn during the webinar:
- For beginners: discover PowSyBl's functionalities through a quick general presentation and the notebook, without needing any expert coding skills;
- For advanced developers: master the skills to efficiently apply PowSyBl functionalities to your real-world scenarios.
Smart TV Buyer Insights Survey 2024 by 91mobiles.pdf91mobiles
91mobiles recently conducted a Smart TV Buyer Insights Survey in which we asked over 3,000 respondents about the TV they own, aspects they look at on a new TV, and their TV buying preferences.
State of ICS and IoT Cyber Threat Landscape Report 2024 previewPrayukth K V
The IoT and OT threat landscape report has been prepared by the Threat Research Team at Sectrio using data from Sectrio, cyber threat intelligence farming facilities spread across over 85 cities around the world. In addition, Sectrio also runs AI-based advanced threat and payload engagement facilities that serve as sinks to attract and engage sophisticated threat actors, and newer malware including new variants and latent threats that are at an earlier stage of development.
The latest edition of the OT/ICS and IoT security Threat Landscape Report 2024 also covers:
State of global ICS asset and network exposure
Sectoral targets and attacks as well as the cost of ransom
Global APT activity, AI usage, actor and tactic profiles, and implications
Rise in volumes of AI-powered cyberattacks
Major cyber events in 2024
Malware and malicious payload trends
Cyberattack types and targets
Vulnerability exploit attempts on CVEs
Attacks on counties – USA
Expansion of bot farms – how, where, and why
In-depth analysis of the cyber threat landscape across North America, South America, Europe, APAC, and the Middle East
Why are attacks on smart factories rising?
Cyber risk predictions
Axis of attacks – Europe
Systemic attacks in the Middle East
Download the full report from here:
https://sectrio.com/resources/ot-threat-landscape-reports/sectrio-releases-ot-ics-and-iot-security-threat-landscape-report-2024/
Encryption in Microsoft 365 - ExpertsLive Netherlands 2024Albert Hoitingh
In this session I delve into the encryption technology used in Microsoft 365 and Microsoft Purview. Including the concepts of Customer Key and Double Key Encryption.
GraphRAG is All You need? LLM & Knowledge GraphGuy Korland
Guy Korland, CEO and Co-founder of FalkorDB, will review two articles on the integration of language models with knowledge graphs.
1. Unifying Large Language Models and Knowledge Graphs: A Roadmap.
https://arxiv.org/abs/2306.08302
2. Microsoft Research's GraphRAG paper and a review paper on various uses of knowledge graphs:
https://www.microsoft.com/en-us/research/blog/graphrag-unlocking-llm-discovery-on-narrative-private-data/
De-mystifying Zero to One: Design Informed Techniques for Greenfield Innovati...
Ch11
1. A+ Guide to Hardware, 4e
Chapter 11
Notebooks, Tablet PCs, and PDAs
2. Objectives
• Learn how to select, support, and add peripheral
devices to notebooks
• Learn how to replace and upgrade internal notebook
components
• Learn how to troubleshoot notebooks
• Learn about technologies relating to tablet PCs
• Learn about personal digital assistants (PDAs)
A+ Guide to Hardware, 4e 2
3. Introduction
• Notebook use is growing
– Over half of the PCs purchased today are notebooks
– 30 percent of PCs in use today are notebooks
• Topics to cover
– Supporting and upgrading notebooks
– Troubleshooting notebooks
– Tablet PCs
– Personal digital assistants (PDAs)
A+ Guide to Hardware, 4e 3
4. Supporting Notebooks
• Notebook (laptop): a portable computer
• Comparing notebooks to full-sized computers
– Same internal technology, but built as a single system
– Notebooks are smaller and portable
– Notebooks use less power
• Topics to cover:
– Selecting and purchasing a notebook
– Special considerations for servicing notebooks
– Caring for notebooks
– Connecting peripheral equipment to notebooks
A+ Guide to Hardware, 4e 4
5. Tips for Buying a Notebook
• Consider a notebook if portability is important
– Desktops are faster, cheaper, and easier to upgrade
• Do not buy extra features unless they are needed
– Extra features are costly and add to notebook weight
• Purchase an extended warranty
• Select a well regarded brand
• Some guidelines for notebook components:
– Choose an active matrix LCD panel (over dual scan)
– Buy as much memory as you plan to use later
– The best type of battery to buy is a lithium battery
A+ Guide to Hardware, 4e 5
6. Special Considerations When
Servicing Notebooks
• Warranty concerns
– Be careful not to void the warranty
– Information needed before contacting technical support
• Notebook model and serial number
• Name, phone number, and address of the purchaser
• Service manuals and other sources of information
– Enable you to safely disassemble a notebook
– Where to find the necessary documentation
• Physical manual provided by the manufacturer
• On the Internet; e.g., the manufacturer’s Web site
A+ Guide to Hardware, 4e 6
7. Figure 11-2 The model and serial number stamped on the bottom of a
notebook are used to identify the notebook to service desk personnel
A+ Guide to Hardware, 4e 7
8. Figure 11-3 A notebook service manual tells you how to use diagnostic
tools, troubleshoot a notebook, and replace components
A+ Guide to Hardware, 4e 8
9. Special Considerations When
Servicing Notebooks (continued)
• Diagnostic tools provided by manufacturers
– Used to pinpoint a problem component
– Sources: setup CD or manufacturer’s Web site
– Example: PC-Doctor
• The OEM operating system build
– Notebooks are sold with the OS preinstalled
– OEM: original equipment manufacturer
– OS build: customized operating system build
– Diagnostic software is customized to the notebook
A+ Guide to Hardware, 4e 9
10. Special Considerations When
Servicing Notebooks (continued)
• Windows notebook features
– Channel aggregation: allows two modem connections
– Power management features
– Support for PC cards
– Windows 9x/Me Briefcase
– Windows 2000/XP Offline Files and Folders
– Folder redirection under Windows 2000/XP
– Hardware profiles under Windows 2000/XP
• Sources for backup OS: recovery CD or partition
A+ Guide to Hardware, 4e 10
11. Figure 11-6 This notebook hard drive has a recovery partition that can
be used to recover the system
A+ Guide to Hardware, 4e 11
12. Special Considerations When
Servicing Notebooks (continued)
• Upgrade the operating system only if necessary
• Tips for upgrading a notebook operating system
– Upgrade the OS using an OS build from the OEM
– Ensure that supporting device drivers are included
– Follow OEM’s specific instructions for the installation
• Advice for upgrading with an off-the-shelf of the OS
– Determine if system components are compatible
– Ensure that all device drivers are stored on hard drive
– If recommended, flash the BIOS before the upgrade
A+ Guide to Hardware, 4e 12
13. Caring for Notebooks
• A few general guidelines:
– Do not touch the LCD panel with sharp objects
– Use battery packs recommended by the OEM
– Keep your notebook at a controlled temperature
– Avoid direct sunlight for an extended period of time
– Do not touch notebook until you are grounded
• A few cleaning tips:
– Clean the LCD panel with a soft dry cloth
– If keys stick, spray under keys with compressed air
– Clean the battery connections with a contact cleaner
A+ Guide to Hardware, 4e 13
14. Caring for Notebooks (Continued)
• Securing a notebook
– When leaving work, lock notebook in a secure place
– Use a notebook cable lock to secure it to your desk
– Use a theft-prevention plate (with an identifying label)
• Types of passwords
– Supervisor, user (power-on), and hard drive
– Check CMOS setup to see if passwords are supported
• Data backups
– Always back up critical data
– Use an online backup service (good when traveling)
A+ Guide to Hardware, 4e 14
15. Figure 11-8 Use a cable lock system to secure a notebook
computer to a desk to help prevent it from being stolen
A+ Guide to Hardware, 4e 15
16. Figure 11-9 CMOS setup main menu shows support for four power-on passwords
A+ Guide to Hardware, 4e 16
17. Caring for Notebooks (Continued)
• Two power sources: AC adapter and DC adapter
• Types of batteries:
– Ni-Cad (nickel-cadmium)
– NiMH (nickel-metal-hydride)
– Lithium Ion
– Direct Methanol Fuel Cell (DMFC): experimental
• A few tips for managing power:
– Check the manual for battery recharging instructions
– Use power-management features of your OS
– Use standby or hibernate mode when notebook is idle
A+ Guide to Hardware, 4e 17
18. Caring for Notebooks (Continued)
• Power Options Properties dialog box
– Used to modify multiple power management schemes
– Example: cause notebook to hibernate after set time
• The battery meter can be added to the taskbar
• Port replicator: interface to AC outlet and peripherals
• Docking station: port replicator + secondary storage
• Hardware profiles
– Enable you to store various hardware configurations
– Example: set up one profile to use a docking station
A+ Guide to Hardware, 4e 18
19. Figure 11-13 The Power Options Properties dialog box of Windows
2000/XP allows you to create and manage multiple power schemes
A+ Guide to Hardware, 4e 19
20. Figure 11-19 Windows XP allows you to set a hardware profile for
different hardware configurations
A+ Guide to Hardware, 4e 20
21. Connecting Peripheral Devices to
Notebooks
• A few ports, switches and slots:
– PC Card/CardBus slot with lock switch and eject button
– ExpressCard slot with slot protective cover
– USB and FireWire ports
– Wireless antenna on/off switch
– Power jack for DC or AC power adapter
• PC Card slots and USB ports are standard equipment
• Examples of PC cards
– Modems, network cards, sound cards, TV tuners
A+ Guide to Hardware, 4e 21
22. Figure 11-20 Ports on the back of a notebook
A+ Guide to Hardware, 4e 22
23. Figure 11-22 Many peripheral devices are added to a notebook using
a PC Card slot; here, a modem PC Card is inserted in a PC Card slot
A+ Guide to Hardware, 4e 23
24. Connecting Peripheral Devices to
Notebooks (continued)
• PCMCIA (Personal Computer Memory Card
International Association)
– Develops standards for PC card slots
• PCMCIA standards related to size: Type I to Type III
• PC cards may also provide proprietary ports/adapters
• PC card slot technologies: 16-bit ISA and 32-bit PCI
• Two new PCMCIA standards:
– CardBus: increases bus width to 32 bits
– ExpressCard: matches PCI Express and USB 2.0
A+ Guide to Hardware, 4e 24
26. Connecting Peripheral Devices to
Notebooks (continued)
• Socket service: connects or disconnects a PC card
• Card service: provides driver after socket created
• Removing a card from a PC card or ExpressCard slot
– Click the Unplug or Eject Hardware icon in system tray
– Click Stop to open Stop a Hardware device dialog box
– Click OK and the proceed to eject the card
• A few tips for helping a notebook recognize a card
– Make sure the system is on when inserting the card
– Try installing drivers before you insert the card
A+ Guide to Hardware, 4e 26
28. Connecting Peripheral Devices to
Notebooks (continued)
• WiFi review:
– Two connection modes: ad hoc and via access point
– Change wireless settings in Network Connections
– To make a connection, turn on wireless switch
– You can choose from a list of wireless networks
• Bluetooth review:
– Used for short-range wireless; e.g., optical mouse
• Some special considerations for Bluetooth:
– Read documentation for configuration guidelines
– If device does not function, reinstall the device driver
A+ Guide to Hardware, 4e 28
29. Figure 11-38 Select a wireless network from those in range
A+ Guide to Hardware, 4e 29
30. Replacing and Upgrading Internal
Parts
• Three common maintenance tasks:
– Upgrading memory
– Exchanging a hard drive
– Replacing a broken component; e.g., the LCD panel
A+ Guide to Hardware, 4e 30
31. Three Approaches to Dealing with a
Broken Internal Device
• Factors to consider before starting a repair project:
– Whether the warranty covers the problem
– Whether the warranty will be voided by your action
– How much time the repair will take
• Alternatives to fixing (or upgrading) it yourself:
– Return notebook to the OEM or other service center
– Substitute an external component for internal device
• Guidelines to follow if you choose to replace device:
– Obtain instructions for replacing an internal device
– Back up important data and take safety precautions
A+ Guide to Hardware, 4e 31
32. Upgrading Memory
• General considerations:
– Add memory to improve performance
– Additional memory needed for video-editing software
– Types of video memory: dedicated and shared
• Types of memory modules used in notebooks:
– SO-DIMMs (small outline DIMMs)
– SO-RIMMs (small outline RIMMs)
– Credit card memory
– Proprietary memory modules
– MicroDIMMs
A+ Guide to Hardware, 4e 32
33. Figure 11-41 Older notebooks used credit card memory and proprietary
memory modules, both larger than the current SO-DIMM modules
A+ Guide to Hardware, 4e 33
34. Upgrading Memory (continued)
• Preparing for the upgrade
– Make sure you are not voiding your warranty
– Search for best buy on a suitable and authorized part
• Upgrade process is similar to that for desktops
• General instructions for accessing memory:
– Turn the notebook upside down
– Remove the screws and the panel cover
– Locate the memory modules in expansion slots
• Advice: check user guide for specific instructions
A+ Guide to Hardware, 4e 34
35. Figure 11-43 To access memory modules, remove a panel cover on the
bottom of the notebook
A+ Guide to Hardware, 4e 35
36. Replacing a Hard Drive
• General guidelines
– Check with OEM for drive sizes and connector types
– Be aware or voiding manufacturer’s warranty
– A notebook drive is 2.5 inches wide
• Other issues:
– If old drive crashed, obtain recovery and driver CDs
– When moving data, you may need USB-IDE converter
• General instructions for replacing the hard drive
– Open the case, pull old drive out of bay, and replace
– Boot the system from a recovery CD (if drive is new)
A+ Guide to Hardware, 4e 36
37. Figure 11-49 First remove the floppy drive to reveal the hard drive cavity
A+ Guide to Hardware, 4e 37
38. Replacing the LCD Panel
• Diagnosing a problem when panel is dim or black:
– Connect an external monitor to the video port
– If external monitor works, LCD panel is likely broken
• Causes of a malfunctioning LCD panel
– Video inverter card is not working (relatively minor)
– Faulty LCD panel assembly (major)
• A few tips for successful a disassembly
– Take safety precautions
– Assemble the appropriate set of tools
– Keep parts and screws organized
A+ Guide to Hardware, 4e 38
39. Figure 11-52 Tools for disassembling a notebook computer
A+ Guide to Hardware, 4e 39
40. Figure 11-54 Using a notepad can help you organize screws so you
know which screw goes where when reassembling
A+ Guide to Hardware, 4e 40
41. Replacing the LCD Panel (continued)
• How to replace an LCD panel assembly
– Remove the battery pack
– Remove the keyboard (if necessary)
– Remove screws in the back of the notebook
– Remove the hinge covers
– Lift the cover off the notebook case
– Carefully disconnect wires or cables
– Remove screws holding the top cover and LCD panel
– Carefully remove the cable system
A+ Guide to Hardware, 4e 41
42. Figure 11-59 Remove the top LCD cover by first removing hinge
screws and disconnecting the hinges; then lift off the cover
A+ Guide to Hardware, 4e 42
43. Replacing a Mini PCI Card
• Mini PCI specifications
– Define the form factor for notebook expansion cards
– Three types: Type I, II, and III (differ by connectors)
• Steps for removing a Mini PCI wireless network card
– Remove the hinged cover and the keyboard
– Disconnect the cable to the wireless antenna
– Pull outward on the securing tabs
– After the card pops, lift it out of the cavity
• Replacing the Mini PCI wireless network card
– Insert card, reconnect antenna, add keyboard and cover
A+ Guide to Hardware, 4e 43
45. Other Field Replaceable Units
• A number of field replaceable units (FRUs)
– The motherboard and CPU
– The keyboard
– The PC Card socket assembly
– The optical drive (CD or DVD drive)
– The floppy drive
– A sound card
– A pointing device
– AC adapter, the battery pack and the DC controller
• OEM must approve or make replacement parts
A+ Guide to Hardware, 4e 45
46. Troubleshooting Notebooks
• Software and hardware problems are covered
• Actions that apply to all computer troubleshooting
– Interview the user
– Back up any important data
– Document each step
A+ Guide to Hardware, 4e 46
47. Problems with the Power System
• A few troubleshooting guidelines
– Check the power light (power may be off)
– Connect the AC adapter (battery might have run down)
– Check the connections at the adapter unit
– Try a new AC adapter
– Eliminate power strips
– Try unplugging all unnecessary devices
– Try reseating memory modules, which may be loose
– Replace CMOS RAM battery (if CMOS setup corrupted)
A+ Guide to Hardware, 4e 47
48. Problems with Video
• Causes:
– Display settings
– The power system
– A faulty LCD panel or inverter board
• Table 11-4 shows troubleshooting tips
• Advice for replacing the LCD panel or inverter board
– Purchase the same LCD assembly originally installed
A+ Guide to Hardware, 4e 48
49. Table 11-4 Problems with video and what to do about them
A+ Guide to Hardware, 4e 49
50. Table 11-4 Problems with video and what to do about them (continued)
A+ Guide to Hardware, 4e 50
51. A Notebook Gets Wet
• Steps to take when a notebook gets wet:
– Turn off the electricity at the circuit breaker
– Turn off the computer and disconnect the AC adapter
– Turn off any attached devices
– Ground yourself by touching a metal unpainted part
– Remove any PC Cards or removable drives
– Remove the battery pack, memory, and hard drive
– Open the notebook and elevate it on two books
– Allow notebook to dry for 24 hours
A+ Guide to Hardware, 4e 51
52. The Notebook is Dropped
• Save your work, close all files, shutdown computer
• Disconnect the AC adapter
• Turn off and disconnect any external devices
• Reinstall power adapters and turn on the notebook
• Troubleshooting the system (if it is not working)
A+ Guide to Hardware, 4e 52
53. Protecting and Retrieving Data
• Obtain a notebook IDE adapter kit
• Remove the notebook hard drive from the notebook
• Connect the IDE adapter to the drive
• Copy the data onto a hard drive in the desktop system
• Reinstall the hard drive in the notebook
A+ Guide to Hardware, 4e 53
54. Figure 11-67 Use an IDE adapter kit to install a notebook hard
drive into a desktop system
A+ Guide to Hardware, 4e 54
55. More Errors and What to do About
Them
• Other sources for notebook troubleshooting tips:
– Table 11-5
– Troubleshooting tips for desktop computers
– Web site of the notebook manufacturer
– The notebook service manual
– Other Internet sites (using general search)
A+ Guide to Hardware, 4e 55
56. Table 11-5 Error messages and what to do about them
A+ Guide to Hardware, 4e 56
57. Table 11-5 Error messages and what to do about them (continued)
A+ Guide to Hardware, 4e 57
58. Online Resources for Troubleshooting
Notebooks
• Tips for desktops apply to troubleshooting notebooks
• Be especially conscious of warranty issues
– Know what you can do within the warranty guidelines
• Notebook documentation is comprehensive
• OEM provides extra support for the system
• Drivers are obtained from setup CD or OEM Web site
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59. Surveying Tablet PCs
• Tablet PC: small notebook with special features
• Forms of tablet PC
– A convertible tablet PC
– A slate model tablet PC
– A tablet PC with a docking station
• Some features:
– Onscreen writing ability for notes and drawings
– Voice- and handwriting-recognition software
– Built-in support for wireless, wired, dial-up networking
– Windows XP Tablet PC Edition operating system
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60. Surveying PDAs
• PDAs (personal digital assistants)
– Sometimes called personal PCs or handheld PCs
– Used for smaller tasks, such as scheduling
– Examples: Palm Pilot, Pocket PC, or BlackBerry
• PDAs connect to desktop using Bluetooth or USB
• A few features: GPS receiver, fold-out keyboard
• A few questions to ask before purchase?
– How easy is the PDA to use?
– What operating system does the PDA use?
– What is the price of the PDA?
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61. Figure 11-71 Garmin iQue M5 Color Pocket PC PDA and GPS
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62. Battery Life on a PDA
• Battery life on a PDA varies by model
• Some PDAs use rechargeable batteries
• Data is lost if battery completely discharges
• Good habit: set PDA in its cradle when not in use
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63. Applications on a PDA
• Some tasks performed:
– Store addresses and phone numbers
– Manage a calendar
– Run word-processing software
– Send and receive e-mail
– Access Web sites
– Provide telecommunication
• Applications may be preinstalled or downloaded
• Web content read by PDA is limited
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64. Connecting a PDA to a PC
• Use cradle with cable or Bluetooth wireless
• Synchronization: process by which PDA and PC talk
• Setting up communication:
– Install synchronization software
– Connect the PDA
– PDA and PC will immediately synchronize
• A few troubleshooting tips:
– Ensure USB or serial cable is plugged in at both ends
– Ensure USB or serial port is enabled in CMOS setup
– Uninstall and reinstall the PDA software on the PC
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65. PDA Manufacturers and Operating
Systems
• List of operating systems used on PDAs:
– Windows Mobile
– BlackBerry
– Palm OS
– Symbian OS
• Some manufacturers:
– Casio
– Compaq
– Hewlett-Packard
– Palm (was PalmOne)
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66. Summary
• Notebook (laptop): portable computer
• OS build: notebook OS customized by the OEM
• Power Options Properties: used to configure AC and
DC power management schemes
• PCMCIA: develops standards for PC card, CardBus,
and ExpressCard slots
• Wireless notebooks can connect in an ad hoc mode
or via an access point
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67. Summary (continued)
• Notebook memory modules: SO-DIMMs, SO-RIMMs
credit card memory, and proprietary memory modules
• Mini PCI specifications: define form factor for
notebook expansion cards
• Troubleshooting notebooks is like troubleshooting
desktops
• Tablet PC: small notebook with special user interface
• PDAs (personal digital assistants): miniature
computer used for simple tasks, such as scheduling
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