HP omnibook 4000 服务手册
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Last POST:
DISPLAY CODES
DISPLAY CODES
There are a number of POST tests that are performed after the BEEP Code
tests. Failure of one or more of these tests will result in a displayed failure code
(i.e., 03044). It is extremely important not to interpret a failure code immediately
as a hardware failure until:
tests. Failure of one or more of these tests will result in a displayed failure code
(i.e., 03044). It is extremely important not to interpret a failure code immediately
as a hardware failure until:
all accessories are removed, including memory cards external floppy, port
expander, modems, PCMCIA cards, LAN cards, printers, VGA-out cables,
external pointing devices, clean AC power is provided (no "chained" battery
chargers or auto adapters), and press reset.
expander, modems, PCMCIA cards, LAN cards, printers, VGA-out cables,
external pointing devices, clean AC power is provided (no "chained" battery
chargers or auto adapters), and press reset.
If the unit still fails to boot, it requires service.
NOTE: make sure the display is adjusted to be visible.
PhoenixBIOS
POST Messages
(Power On Self
Test)
POST Messages
(Power On Self
Test)
Within POST, there are three kinds of messages:
Error messages: These messages appear when there is a failure in
hardware, software, or firmware.
hardware, software, or firmware.
Informational messages: These messages provide infon-nation to the user
but require no action.
but require no action.
Beep codes: This kind of warning sounds when POST errors occur and the
screen is not available.
screen is not available.
Because the OmniBook cannot be repaired by a service center below the FRU
level, these messages will provided limited troubleshooting or repair information.
However, the support specialist and service technician will be able to identify
trends in repairs from these codes.
level, these messages will provided limited troubleshooting or repair information.
However, the support specialist and service technician will be able to identify
trends in repairs from these codes.
Message
Possible Cause
Diskette drive failure
The 0 or 1 drive failed or is missing.
Diskette drive x failure where x=O or x=1
The designated drive has either failed or is missing.
Diskette read failure - press Fl to retry boot (or may
also say, press Fl to retry boot, F2 for SETUP utility)
also say, press Fl to retry boot, F2 for SETUP utility)
The diskette is either not formatted or is defective.
Display adapter failed; using alternate
The color/monochrome switch is set incorrectly.
The primary video adapter failed.
The primary video adapter failed.
Gate A20 failure
The keyboard controller is not accepting commands,
specifically, the enable and disableA20 commands.
specifically, the enable and disableA20 commands.
Fixed disk configuration error
The specified configuration is not supported or
doesn't match the actual hardware
doesn't match the actual hardware
Fixed disk controller failure
The controller card has failed.
Fixed disk failure
The fixed disk may be defective.