Acer Altos G310 MK2 User Manual - Page 98

No characters appear on screen, Remove the memory DIMMs and re-seat them.

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86 6 Troubleshooting 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: 1 Verify that the video works using the onboard video controller. 2 Verify that the video controller board is fully seated in the server board connector. 3 Reboot the system for changes to take effect. 4 If there are still no characters on the screen after you reboot the system and POST emits a beep code, write down the beep code

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6 Troubleshooting
86
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:
1
Verify that the video works using the onboard video controller.
2
Verify that the video controller board is fully seated in the server
board connector.
3
Reboot the system for changes to take effect.
4
If there are still no characters on the screen after you reboot the
system and POST emits a beep code, write down the beep code