EFI E-42B - Page 112

TROUBLESHOOTING 112
Startup (continued)
screen and Activity light
appear as follows:
Possibly one of the following:
• Wrong, missing, incorrectly connected,
or faulty DIMM(s)
• Faulty motherboard
1 Recheck all cables and connections.
2 Reboot the E-42B.
3 If the problem persists, verify that the DIMMs are installed.
DIMMs must be installed in matching pairs in alternating
sockets. Check for incorrect type, wrong capacity, missing, or
faulty DIMM(s). Reseat the DIMM(s) to remove any
oxidation on the connector (see page 65).
4 If the problem persists, you may need to replace the
motherboard (see page 59).
screen and Activity light
appear as follows:
Possibly one of the following:
• Faulty disk in the DVD drive
• Faulty motherboard
1 Reboot the E-42B.
2 If the problem occurs when you are installing software from
bootable media (DVD or CD), the media may be damaged.
Try another DVD or CD.
3 If the problem persists, replace the motherboard (see
page 59).
screen and Activity light
appear as follows:
Problem with the Windows
operating system.
1 Recheck all cables and connections.
2 Reboot the E-42B.
3 If the problem persists, restore the backup, or reinstall
system software (see page 89).
Activity light status
progresses from solid green
to solid red.
Possibly one of the following:
• Problem with system software
• Print job is corrupt or too large
• Faulty UIB cable
• CPU overheated
• Faulty motherboard
1 If you suspect that the problem may be caused by a print
job, try printing a different job.
2 Recheck all cables and connections.
3 Reboot the E-42B and check whether the CPU cooling
assembly fan is operating. If the fan is properly connected
to the motherboard but does not operate, replace the
cooling assembly.
4 If the problem persists, restore the backup, or reinstall
system software (see page 89).
5 If the problem persists, try connecting another UIB cable
(see page 40).
6 If the problem persists, replace the motherboard (see
page 59).
Symptom Possible cause Suggested action
Activity light status:
Off, then solid red.
STARTING UP...
Activity light status:
Blinking orange,
then solid red.
STARTING UP...
Activity light status:
Blinking green,
then solid red.
Activity light status:
Solid green, then
solid red.