Acer G520 series Personal Computer User Manual


 
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requirements.
Make sure the memory DIMMs have been populated according to
the system requirements.
Remove the memory DIMMs and re-seat them.
Make sure the processor(s) comply with the system requirements.
Make sure the processor(s) have been populated according to the
system requirements.
Remove the processor(s) and re-seat them.
Make sure the chassis standoffs are installed only below mounting
holes. Misplaced standoffs can contact the pins on the bottom of the
server board and cause a short.
No Characters Appear on Screen
Check the following:
Is the keyboard functioning? Test it by turning the “Num Lock”
function on and off to make sure the Num Lock light is
functioning.
Is the video 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 video monitor signal cable properly installed?
Does this video monitor work correctly if plugged into a different
system?
Is the onboard video controller enabled in the BIOS?
Remove all add-in cares and see if the video returns. If successful,
add the cards back in one at a time with a reboot between each
addition.
Make sure the memory DIMMs comply with the system
requirements.
Make sure the memory DIMMs have been populated according to
the system requirements.
Remove the memory DIMMs and re-seat them.
Make sure the processor(s) comply with the system requirements.
Make sure the processor(s) have been populated according to the
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