Basic computer troubleshooting

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Overview
Common errors and how to fix them
Basic software troubleshooting
Basic hardware troubleshooting
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Overview

The below steps are our recommended steps to try when troubleshooting any software and hardware related issue on your computer. All of these steps are a great way to begin troubleshooting and/or to try when other solutions have not resolved your issue. When trying these steps, most users will either have their issues resolved or be able to find the next best step for troubleshooting their problem.

Common errors and how to fix them

Below is a listing of links to common errors that occur on Microsoft Windows computers. Each of these pages have additional information about the errors and recommendations on how to resolve each of the issues.

Reference	Issue / Question
CH000123	I have problems in Windows after installing new software.
CH000138	How do I fix illegal operations?
CH000179	My computer is running slow what steps can I do to fix it?
CH000222	How to fix an invalid page fault.
CH000223	How to fix a fatal exception error.
CH000224	How to fix a general protection fault
CH000380	Runtime errors.
CH000396	Divide error.
CH000450	Issues relating to msgsrv32.
CH000487	Why do Windows programs stop responding?
CH000528	Regaining computer hard disk drive space.
CH000605	Windows restarts without warning.
CH000689	Computer turns off without warning.
CH000690	Windows freezes or stops responding.
CH000700	What should I do when a computer freezes?
CH000726	Not a valid win32 application.
CH000749	Missing Microsoft Windows .dll files.
Q&A	Section containing a listing of all our questions and answers.
FORUM	If your question is not listed on this page please try our online forum.

Basic software troubleshooting

Reference	Issue / Question
CHGAME	Basic computer game troubleshooting.
CHIE	Basic Microsoft Internet Explorer troubleshooting.
CHSOFT	Basic computer software troubleshooting.
CHMSDOS	Basic Microsoft DOS troubleshooting.
CHWIN3X	Basic Microsoft Windows 3.x troubleshooting.
CHWIN95	Basic Microsoft Windows 95 troubleshooting.
CHWIN98	Basic Microsoft Windows 98 troubleshooting.
CHWINME	Basic Microsoft Windows ME troubleshooting.
CHWINNT	Basic Microsoft Windows NT 4.0 troubleshooting.
CHWIN2K	Basic Microsoft Windows 2000 troubleshooting.
CHWINXP	Basic Microsoft Windows XP troubleshooting.

Basic hardware troubleshooting

Reference	Issue / Question
Hard drive	Computer hard disk drive troubleshooting and information.
Keyboard	Computer keyboard troubleshooting and information.
Modem	Computer modem troubleshooting and information.
Mouse	Computer mouse troubleshooting and information.
Monitor	Computer monitor troubleshooting and information.
Video	Computer video card troubleshooting and information.
CH000277	Basic floppy disk drive troubleshooting.
CH000281	General microphone troubleshooting.
CH000443	General scanner troubleshooting.
CH000445	Basic network troubleshooting.