Compaq AP200 Reference Guide - Page 148

USB keyboard, you will hear the beep sequences for these error codes

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E-10 Error Codes Power-On Self-Test Messages Continued Message Beeps* Probable Cause Flashing Caps Lock 1L, 2S Video controller not present or incorrectly initialized Recommended Action 1. Clear CMOS. 2. If video card has been added, remove and reseat. Flashing Scroll Lock 2L, 1S System board hardware failure Replace system board. (prior to video) NOTE: If you have replaced the standard keyboard with a Universal Serial Bus (USB) keyboard, you will hear the beep sequences for these error codes but will not see the flashing lights.

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E-10
Error Codes
Power-On Self-Test Messages
Continued
Message
Beeps*
Probable Cause
Recommended Action
Flashing Caps Lock
1L, 2S
Video controller not present or
incorrectly initialized
1.
Clear CMOS.
2.
If video card has
been added,
remove and reseat.
Flashing Scroll Lock
2L, 1S
System board hardware failure
(prior to video)
Replace system board.
NOTE
:
If you have replaced the standard keyboard with a Universal Serial Bus
(USB) keyboard, you will hear the beep sequences for these error codes but
will not see the flashing lights.