Power Light Does Not Light; No Characters Appear On Screen - Acer Altos R510 User Manual

Acer desktop pc user's guide
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System cooling fans do not rotate.
Diskette drive activity light does not light.
Hard disk drive activity light does not light.
CD-ROM drive activity light does not light.
There are problems with application software.
The bootable CD-ROM is not detected.
Try the solutions below in the order given. If you cannot correct the
problem, contact your service representative or authorized dealer for
help.

Power Light Does Not Light

Check the following:
Did you press the power-on button?
Is the system operating normally? If so, the power LED might be defective
or the cable from the control panel to the server board might be loose.
Have you securely plugged the server AC power cord into the power
supply?
Some ATX power supplies have a power switch on the back of the power
supply, next to the fan. If your system has one, is it turned on?
Remove all add-in cards and see if the system boots. 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 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
6 Troubleshooting

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