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Compaq Professional Workstation AP550 Maintenance and Service Guide
When the system successfully starts from the diskette and reprograms the ROM, the following
three keyboard lights will turn on.
Alt
Ctrl
Alt
Ctrl
1A
1A
1
2 3
Figure 4-2. Identifying keyboard lights
The following table lists the various keyboard light combinations, as well as the meaning and
action associated with each combination.
NOTE:
Your keyboard may look different from the one pictured.
Table 4-29
Keyboard Lights
Num
Lock
➊
Caps
Lock
➋
Scroll
Lock
➌
Meaning and Required Action
OFF ON OFF System requires Setup Password.
Enter the Setup Password. The light remains turned on until
you enter a valid Setup Password.
ON OFF OFF System could not start from diskette because the Flash
Recovery diskette is not present, is bad, or the drive is not
ready.
Insert a valid Flash Recovery diskette, turn the power off,
then turn the power on.
OFF OFF ON ROM upgrade failed.
Try another ROMPaq diskette. If the light remains turned on,
contact Compaq customer support.
ON ON ON ROM upgrade successfully completed.
Turn the power off and then back on to resume normal
system operation.
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