This document provides information on common computer problems and troubleshooting methods. It discusses checking your system configuration using various commands like msinfo32 and dxdiag. Common problems covered include slow computers due to lack of RAM, virus infections which can be prevented using antivirus software, screen freezing, slow internet issues which can be fixed by clearing browser caches and files, network problems which may be due to drivers or LAN cable issues, computers not reading disks which could be due to disk damage, and printer problems which may be due to the printer not being on or connected. The document aims to help users diagnose and fix basic computer problems.

1. Basic Computer Operation
and Troubleshooting
Most Common Computer Problems
Syed Fuzail Islam

2.  Troubleshooting is the process of diagnosing the source of
a problem. It is used to fix problems with
hardware, software, and many other products. The basic
theory of troubleshooting is that you start with the most
general (and often most obvious) possible problems, and
then narrow it down to more specific issues.
Definition

3. Computer Accessories

4.  You can always check your system configuration by these
methods:
1. Right click on My Computer and Click on Properties
2. Goto RUN  type ‘msinfo32’ and press ENTER
3. Goto RUN  type ‘dxdiag’ and press ENTER
4. Press F2/F10/Del and go to system BIOS (not suggested)
Above commands will let you see your system and OS
information
Check System Configuration

5. Hardware
Upgrade
Repair
Software
Oracle
SQL Server
Server
Linux /
Windows
Database
Network
Router/Firewall
Wired &
Wiresless
Kinds of Troubleshooting

6. Slow Computer
Virus Infection
Screen Freeze
Slow Working Internet
Internet Network Problem
Computer Can’t Read a Cd or Disk Drive
Printer Problems
Most Common Computer Problems

7.  “A good idea is to store large files on an external Hard
Drive”
Too Little Ram Disk Cleanup
• Slow Computer
It could mean that in addition to a lack of memory space, your operating
system is failing. Take a slow computer as a warning sign, backup your data
periodically over any external medium.

8.  No antivirus system is 100% effective at preventing
virus infection.
 A good antivirus will regularly scan your computer
and all incoming emails , websites for possible threats
and delete them before they become a problem.
Virus Infection

9. Screen Freeze

10.  To increase your browser performance, you must
frequently clear cookies and temporary internet files
by running RUN and type %temp%
 Please note that some of the files may not get
deleted if they are being used by the OS, but that is
fine.
Slow Working Internet

11.  Close down the program and then try to re-connect or do Ping
www.google.com
 Possible problem could be with your computer driver or
software.
 If you have LAN connection then make sure that your wire is
connected properly.
 Refresh Network connection by going to
RUNCMDIPCONFIG /RELEASE then IPCONFIG /RENEW.
Internet Network Problems

12. Computer Can’t Read Disk Drive
Check the Device Manager
The CD could be damaged or
scratched

13.  It may sound silly but one of the most common reasons a
document doesn't print is because the printer is either not
connected to the computer or not switched on.
 Select default printer before printing.
 Connect to the same network on which your printer is installed.
Printer Problems

15. Thank You.
Questions?