POST error messages
The Power-On Self Text (POST) is a series of diagnostic tests that runs automatically when the computer
is powered on.
Audible and visual messages occur before the operating system starts if the POST encounters a
problem. POST checks the following items to ensure that the computer system is functioning properly:
●
Keyboard
●
DIMMs
●
CD or DVD drives
●
All mass storage devices
●
CPUs
●
Controllers
●
Fans
●
Temperature sensors
●
Cables (front/rear panels, audio, and USB ports)
The table shown next describes the POST error messages.
Table 4-9 POST error messages
Screen message Probable cause Recommended action
101—Option ROM Checksum
Error
System ROM checksum. Verify the you have the latest ROM:
1. Flash the ROM, if needed.
2. If an expansion card was recently added,
remove it to find out if the problem remains.
3. Clear CMOS. If the message disappears,
there might be a problem with the
expansion card.
4. Replace the system board.
102—System Board Failure DMA, timers, and so forth, might be
set improperly or might be defective.
1. Clear the CMOS.
2. Remove the expansion boards.
3. Replace the system board.
110—Out of memory space
for option ROMs
Option ROM for a device could not
run because of memory constraints.
Run the Computer Setup (F10) Utility to disable
unneeded option ROMs, and to enable ACP1/
USB Buffers at Top of Memory.
162—Systems Options Error
Diagnostic codes and errors
87
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