137
•
If other software runs correctly on the system, contact your vendor
about the defective software.
No characters appear on the 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 setup?
•
Remove all expansion 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 modules comply with the system
requirements.
•
Make sure the memory modules have been populated according
to the system requirements.
•
Remove and reseat the memory modules.
•
Make sure the CPU comply with the system requirements.
•
Make sure the CPU is populated according to the system
requirements.
If you are using a 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
mainboard 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
you hear. This information is useful for your service representative.
Summary of Contents for Network Device Altos R520
Page 1: ...Acer Altos R520 Series User s Guide...
Page 10: ...x...
Page 11: ...1 System tour...
Page 38: ...1 System tour 28...
Page 39: ...2 System setup...
Page 47: ...3 System upgrade...
Page 99: ...4 BIOS setup...
Page 136: ...4 BIOS setup 126...
Page 137: ...5 Troubleshooting...
Page 158: ...5 Troubleshooting 148...
Page 159: ...Appendix A Acer Altos R520 rack installation guide...
Page 160: ...This appendix shows you how to set up the Acer Altos R520 server in a rack mount configuration...
Page 172: ...Appendix A Acer Altos R520 rack installation guide 162...
Page 173: ...Appendix B RAID configuration...
Page 184: ...174...