Acer G520 Podręcznik Użytkownika Pobierz pdf (Strona 137)

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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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Acer G520 Podręcznik Użytkownika Strona 137