Acer AR320 F1 User Manual
Page 114
5 System troubleshooting
96
System does not recognize all of the processors installed.
Do the following:
•
Make sure the processor specifications comply with the system
requirements.
•
Make sure the processor has been populated according to the
system guidelines.
•
Make sure the processor is properly installed on their mainboard
slots.
No characters appear on the display monitor.
Check the following:
•
Is the keyboard functioning? Test it by turning the Num Lock
function on and off to check if the Num Lock indicator lights up.
•
Is the display monitor plugged in and turned on? If you are using a
switch box, is it switched to the correct system?
•
Are the brightness and contrast controls on the video monitor
properly adjusted?
•
Is the display monitor signal cable properly connected?
•
Does this display monitor work correctly if plugged into a different
system?
•
Remove all add-on cards and see if the system boots.
If reboot is successful, install the cards back in one at a time with a
reboot between each addition to determine if one of them is
causing the problem.
•
Make sure that you have properly installed system compliant
memory modules, and that there populated according to the
system guidelines.
•
Make sure that you have installed system compliant processors,
and that there populated according to the system guidelines.