Monitor has black screen, help :: Hardware and Operating Systems

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Arton 2 Sep @ 6:14am

Monitor has black screen, help

I bought mobo B550 Gaming X v2 and paired AMD Ryzen 5 5600x, updated BIOS via USB D-Flash button but still black screen.
Windows is installed so it shouldn't be an issue cause my pc was working fine till I changed CPU and GPU.

Tried connecting monitor with GPU RX 6600 and still nothing

People suggested to open bios settings but how can I access bios settings if my monitor is black and keeps saying input not supported and pressing F2, F12 or DELETE key wont do anything I dont sed anything.

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Showing 1-15 of 23 comments

ChickenBalls 2 Sep @ 6:25am

youve checked that your monitor is connected to the GPU and not the motherboard?

how did you install windows if you had black screen?

you could just start trouble shooting by going back to when your pc was able to boot into windows and then gradually swap out to the newer components
if you installed windows on your old pc ie old motherboard you may want to install it again with the new mobo

Arton 2 Sep @ 6:37am

Originally posted by ChickenBalls:
youve checked that your monitor is connected to the GPU and not the motherboard?

how did you install windows if you had black screen?

you could just start trouble shooting by going back to when your pc was able to boot into windows and then gradually swap out to the newer components
if you installed windows on your old pc ie old motherboard you may want to install it again with the new mobo

This is PC from 2019 when I had iGPU-APU so I decided to change my CPU and put external GPU now, installed windows before when there wasn't black screen and when I used old CPU and old motherboard and im using same old SSD drive which works fine and has windows already

ChickenBalls 2 Sep @ 6:46am

Originally posted by Arton:
Originally posted by ChickenBalls:
youve checked that your monitor is connected to the GPU and not the motherboard?

how did you install windows if you had black screen?

you could just start trouble shooting by going back to when your pc was able to boot into windows and then gradually swap out to the newer components
if you installed windows on your old pc ie old motherboard you may want to install it again with the new mobo

This is PC from 2019 when I had iGPU-APU so I decided to change my CPU and put external GPU now, installed windows before when there wasn't black screen and when I used old CPU and old motherboard and im using same old SSD drive which works fine and has windows already

so everything works using the old CPU?
have you tried manually updating BIOS instead of using the D-flash button?

Arton 2 Sep @ 7:18am

Originally posted by ChickenBalls:
Originally posted by Arton:

This is PC from 2019 when I had iGPU-APU so I decided to change my CPU and put external GPU now, installed windows before when there wasn't black screen and when I used old CPU and old motherboard and im using same old SSD drive which works fine and has windows already

so everything works using the old CPU?
have you tried manually updating BIOS instead of using the D-flash button?

I don't have old CPU anymore but yes with new motherboard and new CPU and GPU I did D flash button and everything seemed fine I let it finish.
Removed CMOS battery as well and connected HDMI cable to my GPU and it still says input not supported or no signal

also forgot to mention I pressed fn + delete or fn + f2 keys, even f12 and still no BIOS screen or settings.

Last edited by Arton; 2 Sep @ 7:19am

_I_ 2 Sep @ 7:22am

how many displays are plugged in?

newer gpus will only output to one during post/boot until windows gpu driver enables the other displays

unplug all other displays

test the display with another pc or console

can you access the displays osd menus?

ChickenBalls 2 Sep @ 7:27am

Originally posted by Arton:
Originally posted by ChickenBalls:

so everything works using the old CPU?
have you tried manually updating BIOS instead of using the D-flash button?
I don't have old CPU anymore but yes with new motherboard and new CPU and GPU I did D flash button and everything seemed fine I let it finish.
Removed CMOS battery as well and connected HDMI cable to my GPU and it still says input not supported or no signal

also forgot to mention I pressed fn + delete or fn + f2 keys, even f12 and still no BIOS screen or settings.

ouch
I would never get rid of the old cpu until I'm sure the new one works with the mobo

Alice Liddell 2 Sep @ 12:22pm

Try the monitors OBD input selection feature and check if it is "auto" that is pushing the error.

Arbiter of mediocrity 2 Sep @ 12:38pm

Is this your motherboard GIGABYTE B550 Gaming X V2?
Did you change anything in the bios? Like enabling XMP etc.?

wing0zero 2 Sep @ 12:49pm

Originally posted by Arbiter of mediocrity:
Is this your motherboard GIGABYTE B550 Gaming X V2?
Did you change anything in the bios? Like enabling XMP etc.?

? He can't get in to the BIOS

So you got the motherboard in 2019? And then tried to update BIOS to get the 5xxx series working?

_I_ 2 Sep @ 1:06pm

Originally posted by wing0zero:
Originally posted by Arbiter of mediocrity:
Is this your motherboard GIGABYTE B550 Gaming X V2?
Did you change anything in the bios? Like enabling XMP etc.?
? He can't get in to the BIOS

So you got the motherboard in 2019? And then tried to update BIOS to get the 5xxx series working?

if he didnt let the bios update finish, it would brick the board and not have any output

only thing you can do is rma back to gigabyte if its under warranty
https://www.gigabyte.com/Support/Consumer/Warranty/Check

Last edited by _I_; 2 Sep @ 1:07pm

#10

wing0zero 2 Sep @ 1:24pm

Originally posted by _I_:
Originally posted by wing0zero:
? He can't get in to the BIOS

So you got the motherboard in 2019? And then tried to update BIOS to get the 5xxx series working?
if he didnt let the bios update finish, it would brick the board and not have any output

only thing you can do is rma back to gigabyte if its under warranty
https://www.gigabyte.com/Support/Consumer/Warranty/Check

Maybe, could always try and flash again too.

My guess is he sold the old CPU before putting in the new one so couldn't ever enter the BIOS with the new CPU.

Also there are 5 revisions of that board, 1.0, 1.1, 1.2 have the same BIOS but 1.3 has it's own as does 1.4 by the looks of it, did he pick the right one...

#11

_I_ 2 Sep @ 2:11pm

Originally posted by wing0zero:
Originally posted by _I_:
if he didnt let the bios update finish, it would brick the board and not have any output

only thing you can do is rma back to gigabyte if its under warranty
https://www.gigabyte.com/Support/Consumer/Warranty/Check

Maybe, could always try and flash again too.

My guess is he sold the old CPU before putting in the new one so couldn't ever enter the BIOS with the new CPU.

Also there are 5 revisions of that board, 1.0, 1.1, 1.2 have the same BIOS but 1.3 has it's own as does 1.4 by the looks of it, did he pick the right one...

if its bricked from bad flash, the only way is to re-flash the eeprom directly, but the 'bin' file you download to flash it is not whats on the eeprom, thats the instructions and flash for its current working bios to use

#12

C1REX 2 Sep @ 2:19pm

Originally posted by Arton:
I bought mobo B550 Gaming X v2 and paired AMD Ryzen 5 5600x, updated BIOS via USB D-Flash button but still black screen.
Windows is installed so it shouldn't be an issue cause my pc was working fine till I changed CPU and GPU.

Tried connecting monitor with GPU RX 6600 and still nothing

People suggested to open bios settings but how can I access bios settings if my monitor is black and keeps saying input not supported and pressing F2, F12 or DELETE key wont do anything I dont sed anything.

Is there any light on the motherboard when it's on? white? red? green? error code if you have one?
Is your screen a standard monitor or a tv? Do you have any other monitor to test?

#13

Arbiter of mediocrity 2 Sep @ 2:21pm

Originally posted by wing0zero:
Originally posted by Arbiter of mediocrity:
Is this your motherboard GIGABYTE B550 Gaming X V2?
Did you change anything in the bios? Like enabling XMP etc.?
? He can't get in to the BIOS

So you got the motherboard in 2019? And then tried to update BIOS to get the 5xxx series working?

Yeah my bad for getting that wrong. I assumed he was in bios and reset some of the parameters for the new CPU. I also have a hard time understanding why he didn't perform the update through bios before installing the new CPU.

There is no way to fix an aborted bios update now because his motherboard doesn't have a bios flashback option.

#14

Arbiter of mediocrity 2 Sep @ 2:24pm

Originally posted by C1REX:
Originally posted by Arton:
I bought mobo B550 Gaming X v2 and paired AMD Ryzen 5 5600x, updated BIOS via USB D-Flash button but still black screen.
Windows is installed so it shouldn't be an issue cause my pc was working fine till I changed CPU and GPU.

Tried connecting monitor with GPU RX 6600 and still nothing

People suggested to open bios settings but how can I access bios settings if my monitor is black and keeps saying input not supported and pressing F2, F12 or DELETE key wont do anything I dont sed anything.

Is there any light on the motherboard when it's on? white? red? green? error code if you have one?
Is your screen a standard monitor or a tv? Do you have any other monitor to test?

That gigabyte model has no led indicators. It's one of the cheapest motherboards you can get.

#15

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Date Posted: 2 Sep @ 6:14am

Posts: 23

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