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APPENDIX-A. ERROR CODES

This is APPENDIX-A. ERROR CODE chart.

This is the POST (Power On Self Test) Chart.
Upon boot-up a series of internal tests are done.
If the system fails POST it won't boot up until the problem is fixed.
It could be a configuration problem in the CMOS Setup or a hardware failure.
Look at the table below to see if your error code appears then take the appropriate action to remedy the problem.

POST Error Code PC Component Failure
020 POWER
101 Main Logic Board
201 Memory
301 Keyboard
401 Monochrome Video Adapter
501 CGA Video Adapter
601 Floppy Disk Drive
701 Math Coprocessor
901 Parallel Port Adapter
1101 Serial Port Adapter
1301 Game Control Adapter
1401 Printer
1701 Hard Disk Drive
2401 EGA/VGA Video Adapter
NOTE If your error code is a 161, 162, 163 or 164. You have a bad Lithium battery, so do not worry, you do not have a bad main logic board!


This is meant to be a general guide to fixing some computer problems. There are to many programs, devices, and other factors to list every single problem that could exist. If you have any questions about using this guide, or your problem isn't listed on our troubleshooter, please call us or email us and we'll be happy to help.

Our online troubleshooter is meant for informational purposes only. By using this guide you understand Quick Connect cannot be held responsible for any data loss related to using this guide. Please call us for any questions or help you need if your issue is of a critical nature BEFORE using our troubleshooter.





233 N 48th St Suite P Lincoln, NE 68504-3598
2918 S 84th Street STE B Omaha, NE 68124

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