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Computer turns on but no display or keyboard
Computer turns on but no display or keyboard












computer turns on but no display or keyboard

Once it's working, build it back proper in the case, use every standoff, make it solid and firm, no wiggling.

computer turns on but no display or keyboard

If nothing works, you probably do indeed have a bad motherboard.

computer turns on but no display or keyboard

  • Sure enough, unless there is something legitimately wrong.
  • (Forget the HDD/SSD/Optical, those won't make it not boot). If no change, try any variation you can think of. (should hear beeps) If no change, Put back in the CPU+GPU+ram and try it. Wait at least 30 seconds after you hit power to put the bios battery back in.
  • If no change, unplug and take out everything (except the CPU+fan and power switch, unless you can use a screwdriver to touch the two pins of the power switch, that'll turn it on just like pushing the power button), then take out the bios battery, and unplug the PSU from the WALL, then try it (yes I know there is no power, but the fans may move a little while the power is dispensed) then try it.
  • If no change, take out the video card, then try it. The put back in the ram then try it and try it.
  • If no change, take all sticks of ram out then try it (it should do a certain number of beeps - if you have a case speaker, plug it into the motherboard if not, no worries, you will not hear beeps).
  • computer turns on but no display or keyboard

  • If that doesn't work, take it all apart, and build it out of the case.(This is called bread-boarding it) No optical/HDD/SSD) (Use onboard video instead of GPU if applicable) Then try it.
  • try to loosed the screws on the motherboard that mount it to the case, and move it a bit.
  • Pulled the ram, power cycled, put it back in, tried to boot it that way, etc.
  • Do a real quick paper clip test on your psu. It's a short if I'm assuming you've plugged everything in correctly: (MB power + 4/8 CPU power + GPU additional power if req.), the display is plugged into the right GPU/port, CPU seated correctly, PSU switch "ON", Power SW on right pins, RAM is on the Motherboards's QVL "Approved" list, etc.
  • This is very common problem, been asked and answered tens of thousand of times here.
  • Pick, Assemble and Install: Video Guide.
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    Computer turns on but no display or keyboard