Basic computer troubleshooting

Updated: 04/26/2017 by Computer Hope

TroubleshootBelow is a listing of commonly asked computer questions and answers and basic troubleshooting steps for operating systems, software programs, and computer hardware. Keep in mind that this is just a select few of the thousands of questions and answers in our database.

See our troubleshoot definition for a general overview of steps that should be taken when troubleshooting a computer. If you're confused on where to start, try our free online Mr. Hope utility or searching our page.

Common Windows errors and how to fix them

Reference 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?
CH000186 How to erase my hard drive and start over.
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 drive space.
CH000605 Windows restarts 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.
CH001131 My Windows computer boots up slow.
CH001141 How do I fix the Windows blue screen errors?
CH001672 How to shut down a computer.
Q&A Section containing a listing of all our questions and answers.

Basic software troubleshooting

Reference 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.
Software Section containing a full listing of other general software Q&A's.

Basic hardware troubleshooting

Reference Question
CH000176 Windows error "Data or no disk loaded" with audio CD
CH000179 How can I fix a slow computer?
CH000208 Missing or lost sound in Windows.
CH000241 No display on the monitor.
CH000248 General printer troubleshooting.
CH000254 Mouse not being detected in Windows.
CH000277 Basic floppy disk drive troubleshooting.
CH000281 General microphone troubleshooting.
CH000310 Computer does not turn off.
CH000312 No power or computer does not turn on
CH000443 General scanner troubleshooting.
CH000445 Basic network troubleshooting.
CH000689 Computer turns off without warning.
CH000708 How to test computer memory to determine if it's bad.
CH000955 No keys on my keyboard work
CH001088 How can I test for hardware failures in my computer?
CH001089 How to test a computer motherboard and CPU for failures.
CH001090 How to test a computer CD-ROM and DVD drive for failures.
CH001091 How to test a hard drive for failures.
CH001575 Why is my Wi-Fi not working?
Hardware Section containing a full listing of other general hardware Q&A's.

Additional information