Acer Altos R710 manual No Characters Appear on Screen

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•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 cards 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 system requirements.

•Remove the processor(s) and re-seat them.

If you are using an add-in video controller board, do the following:

1Verify that the video works using the onboard video controller.

2Verify that the video controller board is fully seated in the server board connector.

3Reboot the system for changes to take effect.