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Black screen on bios but normal when in the os (lemmy.world)

submitted 4 days ago by simop_jo@lemmy.world to c/technology@lemmy.ml

12 comments fedilink hide all child comments

I dont now if this is the correct community to post this. My computer shows signal to the screen when in the os (arch) but when I spam F2 or F12 to get into bios or boot selection it doesnt show anything to the screen. I have an optiplex 3020.

top 12 comments

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[–] Evkob@lemmy.ca 2 points 3 days ago* (last edited 3 days ago) (1 children)

Have you tried updating your BIOS? If your PC allows you to boot from a USB :P

[–] simop_jo@lemmy.world 2 points 3 days ago

I can't blind check my USB from F12

[–] eruchitanda@lemmy.world 4 points 4 days ago (2 children)

Already answered but yeah, sounds very likely that you have a GPU, and the display cable isn't connected to your GPU.

[–] simop_jo@lemmy.world 2 points 4 days ago

The optiplex 3020 only has an igpu

[–] SkaveRat@discuss.tchncs.de 1 points 4 days ago (1 children)

I'd say the other way around. the bios trying to use the internal GPU and can't handle the dedicated one.

Plugging a monitor into the output that's located on the motherboard would probably work to see the bios

[–] simop_jo@lemmy.world 3 points 3 days ago

There is no dedicated GPU.

[–] elmicha@feddit.org 4 points 4 days ago (1 children)

Does it have more than one video output? If yes, you could try the other one.

[–] simop_jo@lemmy.world 4 points 4 days ago

Both do the same

[–] notoftenthat@sh.itjust.works 1 points 3 days ago (1 children)

Use a hard-wired keyboard if you aren't already. (ref)

Physically disconnect the HDD, and the PC should dump into BIOS. This would help narrow down wierd hardware behaviors if there are any.

[–] simop_jo@lemmy.world 1 points 3 days ago

Keyboard is wired. When I unplugged the ssd it just stayed at the black screen.

[–] RobotZap10000 2 points 4 days ago (1 children)

Do you have a graphics card? Your BIOS might not be able to use it, try plugging your display cable into the side of your motherboard.

[–] simop_jo@lemmy.world 3 points 4 days ago

The optiplex 3020 only has integrated graphics