protech ProX-1690, User Manual, Page: 87 / 95

Appendix C Trouble Shooting
Page: C-2
Prox-1690 USER
′
S MANUAL
TROUBLE SHOOTING FOR ERROR MESSAGES
The following information informs you the error messages and the trouble
shooting. Please adjust your systems according to the messages below. And
make sure all the components and connectors are in proper position and
firmly attached. If the errors still encountered, please contact with your
distributor for maintenance.
POST BEEP :
Currently there are two kinds of beep codes in BIOS. The one code
indicates that a video error has occurred and the BIOS cannot initialize the
video screen to display any additional information. This beep code consists
of a single long beep followed by three short beeps. The other one code
indicates that your DRAM error has occurred. This beep code consists of a
single long beep repeatedly.
CMOS BATTERY FAILURE :
When the CMOS battery is out of work or has run out, the user has to
replace the whole unit.
CMOS CHECKSUM ERROR :
This error inform you that the CMOS is corrupted. When the battery runs
weak, this situation might happen. Please check the battery and change a
new one when necessary.
DISPLAY SWITCH IS SET INCORRECTLY :
Display switch on the motherboard can be set to either monochrome or
color. This indicates the switch is set to a different setting than indicated in
Setup. Determine which setting is correct, and then either turn off the system
and change the jumper, or enter Setup and change the video selection.
DISK BOOT FAILURE:
When you can‘t find the boot device, insert a system disk into Drive A and
press < Enter >. Make sure both the controller and cables are all in proper
positions, also make sure the disk is formatted correct device. Then reboot
the system.