Maintaining Your Computer

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Maintaining Your Computer presentation given at Socastee, South Carolina public library by Jim White of WhiteHouseComputing. Covers cleaning, determining and fixing reasons for running slow, determining low memory (RAM) conditions, low (hard disk storage) memory conditions, freeing space on hard disk, adding RAM memory, determining maximum possible and practical RAM memory size and type for your specific computer, how to defrag hard drive, keeping fixes and patches up with Windows Update, and doing backup.

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  • Topics discussed include elimininating unnecessary files and programs, optimizing your hard drive, cleaning the Registry, installing the latest Windows updates and bug fixes, improving security, and preventing spam gunk.
  • Explain speed difference Explain concept of thrashing (excess paging) and effect on perceived speed
  • Maintaining Your Computer

    1. 1. Maintaining Your PC The slides for this presentation are available on the web. For directions to get to them see the entry “Maintaining Your PC ” on my blog at http://WhiteHouseComputing.Blogspot.Com Note: Dark blue backbround has been removed for this version on Slideshare to fix some tech difficulties. If you download this presentation you can easily restore it using the standard dark blue template choice under “slide design”. All content and hyperlinks remain unchanged from the class. Socastee SC Library Computer Education
    2. 2. Physical Maintenance Keep it Clean - Keep the Cool Air Flowing <ul><li>Dust every few months </li></ul><ul><ul><li>Cooling fans draw dust in. Dust insulates, keeps heat in. Electronics fry. </li></ul></ul><ul><ul><li>Unplug, remove desktop computer cover, short bursts with can upright </li></ul></ul><ul><li>Keep your computer cool </li></ul><ul><ul><li>Fans draw air through vents – give them room to breath </li></ul></ul><ul><ul><li>NEVER operate a laptop with it resting on something like a fluffy quilt </li></ul></ul><ul><ul><ul><li>Air vents will be blocked, electronics will fry </li></ul></ul></ul>Canned compressed Air Socastee SC Library Computer Education
    3. 3. Physical Maintenance Keep it Clean - Keep the Cool Air Flowing Clicking on the above e-book title will take you to an “e-book” presentation by that name on Slideshare. This is an external link to an independent document not written or maintained by the library. “ A Guide on cleaning your Computer Case, Keyboard, Mouse and Monitor ” By Mike Hanson Socastee SC Library Computer Education
    4. 4. Physical Maintenance <ul><li>Unplugging Peripherals </li></ul><ul><ul><li>Devices that plug into CPU are know as peripherals </li></ul></ul><ul><ul><li>USB plugs built to “hot plug” </li></ul></ul><ul><ul><ul><li>BUT check “safely remove hardware” icon first </li></ul></ul></ul><ul><ul><li>All other plug types, including PS/2, shut down CPU first </li></ul></ul>USB plug PS/2 plug Socastee SC Library Computer Education
    5. 5. Physical Maintenance Memory – Does Your Computer Have Enough? Have things slowed down? Socastee SC Library Computer Education
    6. 6. Physical Maintenance Why Has Your Computer Slowed Down? <ul><li>Need to know a little about how it works </li></ul><ul><ul><li>Memory </li></ul></ul><ul><ul><ul><li>Do you work a little slower as you get older? Is some of that because you can’t remember where you put stuff? </li></ul></ul></ul><ul><ul><ul><li>Computers have the same problem. </li></ul></ul></ul>Socastee SC Library Computer Education
    7. 7. Physical Maintenance Why Has Your Computer Slowed Down? <ul><li>Need to know a little about how it works </li></ul><ul><ul><li>Memory </li></ul></ul><ul><ul><ul><li>Two kinds of computer memory </li></ul></ul></ul><ul><ul><ul><ul><li>RAM (Random Access Memory) </li></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>No moving parts </li></ul></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>All electronic </li></ul></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>Operates at the speed of light </li></ul></ul></ul></ul></ul><ul><ul><ul><ul><li>Disk </li></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>Hard disk drive </li></ul></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>Electro/mechanical device </li></ul></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>Thousands of times slower </li></ul></ul></ul></ul></ul>Socastee SC Library Computer Education
    8. 8. Physical Maintenance Why Has Your Computer Slowed Down? When there is not enough of this This gets used instead Memory Socastee SC Library Computer Education
    9. 9. Physical Maintenance Why Has Your Computer Slowed Down? Memory - RAM “But I didn’t take any RAM memory OUT! It didn’t used to be slow! Why is it slow now?” Stuff YOU put in memory when you: <ul><li>Added a printer </li></ul><ul><li>Added virus checking </li></ul><ul><li>Added a firewall </li></ul><ul><li>Added anything that needs to be running at all times </li></ul>Socastee SC Library Computer Education
    10. 10. Physical Maintenance Why Has Your Computer Slowed Down? Memory - RAM “But I didn’t take any RAM memory OUT! It didn’t used to be slow! Why is it slow now?” Stuff you didn’t know was added: <ul><li>Spyware </li></ul><ul><ul><li>“ a broad category of malicious software designed to intercept or take partial control of a computer's operation without the informed consent of that machine's owner or legitimate user.” </li></ul></ul><ul><ul><li>Wikipedia </li></ul></ul>Socastee SC Library Computer Education
    11. 11. Physical Maintenance Why Has Your Computer Slowed Down? Memory - RAM “But I didn’t take any RAM memory OUT! It didn’t used to be slow! Why is it slow now?” Stuff you didn’t know was added: <ul><li>Spyware </li></ul><ul><ul><li>when you downloaded that cute shoping helper </li></ul></ul>Socastee SC Library Computer Education
    12. 12. Physical Maintenance Why Has Your Computer Slowed Down? Memory - RAM “But I didn’t take any RAM memory OUT! It didn’t used to be slow! Why is it slow now?” Stuff you didn’t know was added: <ul><li>Spyware </li></ul><ul><ul><li>when you downloaded that music “sharing” program </li></ul></ul>Socastee SC Library Computer Education
    13. 13. Physical Maintenance Why Has Your Computer Slowed Down? Memory - RAM “But I didn’t take any RAM memory OUT! It didn’t used to be slow! Why is it slow now?” Stuff you didn’t know was added: <ul><li>Spyware – Where can I find out more? </li></ul>WWW.Wikipedia.Com How can I get rid of it and protect against it? September 2006 edition of Consumer Reports Free AntiSpyware Tradenamed Ad-Aware From Lavasoft at WWW.Lavasoft.Com Socastee SC Library Computer Education
    14. 14. Physical Maintenance Why Has Your Computer Slowed Down? RAM – How Much is Enough? <ul><li>For Windows XP Microsoft recommends at least 128MB </li></ul><ul><li>I recommend at least 512 MB </li></ul><ul><li>For Windows Vista I recommend: </li></ul><ul><ul><li>Minimum of 1GB for Vista Basic </li></ul></ul><ul><ul><li>Minimum of 2GB for Vista Premium </li></ul></ul>Socastee SC Library Computer Education
    15. 15. Physical Maintenance Why Has Your Computer Slowed Down? RAM – How Much and What Kind Can YOUR Computer Use? Vista - Software restrictions on usable RAM size Information SOURCE click here Socastee SC Library Computer Education Not applicable 1 GB Windows Vista Starter 8 GB 4 GB Windows Vista Home Basic 16 GB 4 GB Windows Vista Home Premium 128 GB 4 GB Windows Vista Business 128 GB 4 GB Windows Vista Enterprise 128 GB 4 GB Windows Vista Ultimate Limit in 64-bit Windows Limit in 32-bit Windows Version
    16. 16. Physical Maintenance Why Has Your Computer Slowed Down? RAM – How Much and What Kind Can YOUR Computer Use? XP - Software restrictions on usable RAM size Information SOURCE click here Socastee SC Library Computer Education Not applicable 512 MB Windows XP Starter Edition 128 GB 4 GB Windows XP Limit in 64-bit Windows Limit in 32-bit Windows Version
    17. 17. Physical Maintenance Why Has Your Computer Slowed Down? RAM – How Much and What Kind Can YOUR Computer Use? <ul><li>Even if your operating system can handle more, your specific make and model computer may not be able to “see” all of it. Any more, even if installed, will go unused. </li></ul><ul><li>Different types and speeds of RAM have been manufactured over the years. Not all can be used in your computer </li></ul><ul><li>Micron Technologies is a memory manufacturer. Crucial is one of their brands. On their web site they provide a service for determining what (generic) kind of memory and how much of it YOUR computer can use. </li></ul>Socastee SC Library Computer Education
    18. 18. Physical Maintenance Why Has Your Computer Slowed Down? RAM – How Much and What Kind Can YOUR Computer Use? Click image to go to Crucial & use this service This option will install software on your computer. Use only if you are comfortable managing that process This option is information only, no software will be installed on your system Socastee SC Library Computer Education
    19. 19. Physical Maintenance Why Has Your Computer Slowed Down? <ul><li>Adding RAM yourself </li></ul><ul><ul><li>Bring it to a pro if you’re nervous about DIY </li></ul></ul><ul><ul><ul><li>Computer and office supply stores can help </li></ul></ul></ul><ul><ul><ul><ul><li>Laptop RAM installs sometimes just cost of parts </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Desktops may be small add charge </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Call and ask </li></ul></ul></ul></ul><ul><ul><li>Here is a link to a DIY video on Youtube: </li></ul></ul><ul><ul><ul><li>http://www.youtube.com/watch?v=vLPuhVR1X5E </li></ul></ul></ul>Socastee SC Library Computer Education
    20. 20. Physical Maintenance Why Has Your Computer Slowed Down? Memory – Hard Drive <ul><li>This kind of memory is usually called “storage” </li></ul><ul><li>Your primary (usually your only) hard drive is your “C:” drive </li></ul><ul><li>Too little available space on your C: drive will slow your computer </li></ul><ul><li>Keep at least 10% of the hard drive space empty (free space) </li></ul><ul><li>See next slide for how to tell </li></ul>Socastee SC Library Computer Education
    21. 21. Physical Maintenance Why Has Your Computer Slowed Down? Memory – Hard Drive How Do I Tell How Much Available Space I Have on The C: Drive? <ul><li>Left Click “Start” </li></ul><ul><li>Left Click “My Computer” </li></ul><ul><li>Right click “Local disk (C:)” </li></ul><ul><li>Left click “Properties” </li></ul>Socastee SC Library Computer Education
    22. 22. Physical Maintenance Why Has Your Computer Slowed Down? Memory – Hard Drive How Do I Free Up Space on My Hard Drive? <ul><li>Left click “Start” </li></ul><ul><li>All Programs </li></ul><ul><li>Accessories </li></ul><ul><li>System Tools </li></ul><ul><li>Left click on Disk Cleanup – will be a pause as drive is scanned </li></ul><ul><li>Check and Delete any or all as you think appropriate </li></ul>Socastee SC Library Computer Education
    23. 23. Physical Maintenance Why Has Your Computer Slowed Down? Memory – Hard Drive Fragmented Files on Your Hard Drive <ul><li>What are they? </li></ul><ul><ul><li>Files stored in pieces </li></ul></ul><ul><li>How do I “fix” them” </li></ul><ul><ul><li>DeFragment the disk </li></ul></ul>Socastee SC Library Computer Education
    24. 24. Physical Maintenance Why Has Your Computer Slowed Down? Memory – Hard Drive Fragmented Files on Your Hard Drive Socastee SC Library Computer Education
    25. 25. Physical Maintenance Fixing Fragmented Files on Your Hard Drive Memory – Hard Drive Fixing Fragmented Files on Your Hard Drive <ul><li>Click on “Start” </li></ul><ul><li>Programs </li></ul><ul><li>Accessories </li></ul><ul><li>System Tools </li></ul><ul><li>Disk DeFragmenter </li></ul>Helpful Links: http:// helpdesk.its.uiowa.edu/windows/instructions/defrag.htm http:// support.microsoft.com/default.aspx?scid =kb;en-us;314848 Socastee SC Library Computer Education
    26. 26. Software Maintenance Uninstalling Unused Programs <ul><li>Start </li></ul><ul><li>Control Panel </li></ul><ul><li>Vista – Uninstall a Program XP – Add or Remove Programs </li></ul><ul><li>Click to highlight what you want to uninstall, then click uninstall </li></ul>You may want to uninstall some unused programs to save space on your hard drive. For example, many new computers come with trial versions of software that you will decide never to use. Here is how you can get rid of it. DO NOT uninstall something if you do not know what it is and what it does. Searches on Google and Wikipedia can help you identify unfamiliar software. Socastee SC Library Computer Education
    27. 27. Software Maintenance Uninstalling Unused Programs <ul><li>“ Startup” program removal </li></ul><ul><ul><li>Some programs start automatically on bootup </li></ul></ul><ul><ul><li>Bootup process slow as a result </li></ul></ul><ul><ul><li>Beginners process for taking programs out of autostart on boot </li></ul></ul><ul><ul><ul><li>RIGHT click Start </li></ul></ul></ul><ul><ul><ul><li>Click open </li></ul></ul></ul><ul><ul><ul><li>Double click Programs </li></ul></ul></ul><ul><ul><ul><li>Double click Startup </li></ul></ul></ul><ul><ul><ul><li>Delete shortcuts (if any) for programs you don’t want to start automatically on bootup </li></ul></ul></ul><ul><li>Experts startup removal information </li></ul><ul><ul><li>Good info, use at your own risk: http:// www.sysinfo.org/startupinfo.html </li></ul></ul>Socastee SC Library Computer Education
    28. 28. Software Maintenance Windows Update CRITICALLY IMPORTANT Run Windows Update daily from the start menu or go daily to <ul><li>Set Windows Update to run automatically once a day </li></ul><ul><li>Set it to run in the middle of the night </li></ul><ul><li>If you don’t have your computer on overnight it will run when you next boot up </li></ul><ul><li>Windows update applies fixes to the Windows operating system. Some of the problems, if not fixed, allow trojans, virus, and other malware to infiltrate your computer </li></ul>http:// windowsupdate.microsoft.com Or Best Practice is as follows: Socastee SC Library Computer Education
    29. 29. System Maintenance Backup YOUR C: DRIVE WILL DIE <ul><li>All mechanical devices eventually fail </li></ul><ul><li>Back up your data periodically </li></ul><ul><li>My Documents is the most critical </li></ul><ul><ul><li>Right click Documents (My Documents) </li></ul></ul><ul><ul><li>Click properties. If size is less than about 650MB you can copy it all to a CD. If less than about 4GB you can copy it to a DVD. </li></ul></ul><ul><ul><ul><li>Both XP and Vista support drag-and-drop copy to a CD </li></ul></ul></ul><ul><ul><ul><li>Vista supports drag-and-drop copy to DVD, XP requires additional software </li></ul></ul></ul>See http://www.pcmag.com/article2/0,2817,2322030,00.asp for excellent article Socastee SC Library Computer Education
    30. 30. The End <ul><li>Jim’s Blog </li></ul><ul><li>http:// WhiteHouseComputing.Blogspot.Com </li></ul>Socastee SC Library Computer Education

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