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My Monitor wont turn on. Its just black screen

post #1 of 21
Thread Starter 
I was playing devil may cry then suddenly my monitor turned into black.
When I restart my PC my monitor just stay the same (black)
Then I put my HDMI to my integraded/onboard video then my monitor starts normally running.
I just want to ask what is the problem of my computer?
is it lack of power supply?
is it my gpu have problem?

My specs are:
CPU: i5-3570k
GPU: Radeon HD 7870
RAM: 8gb 1600 G.Skill
HD: 1tb WesternDigital
PSU: 500w stock by (azza)

please help me guys. thanks alot in advance.
post #2 of 21
Doctor: .... sit down , i got some bad news *closes the door wile talking*

Doctor: It seems that ... the GPU couldn't make it ... im sorry



... is your psu modular? can you change the PCIex cable ?

... can you change the GPU to another PCIex lane ?

.... when the PC boots , does the GPU fan spins ?

.... i asume it wasnt OCed ? was it ? lol

.... do you have another PSU that you could swap it?


yeah , ill throw a wild guess , the GPU just "pop" frown.gif
Edited by yoi - 2/13/13 at 11:46pm
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post #3 of 21
Thread Starter 
@yoi
my PSU is not modular.
I cant change the GPU to another PCIex coz my PSU is just stock dont have extra cables.
when the PC boots, yes my GPU fan spins
my GPU is not OC.
I dont have another PSU do I need to change?
post #4 of 21
hmmm go to Devices and go to device manager

right click my computer , on the left side go to device manager , look for Display Adapters and see if you can see the GPU

and what i meant to say about the PCIex lane is that , could you switch it to another lane , if you have a ATX motherboard , u should have more than one lane to put another PCIex card , just move it to another one and see if it works frown.gif
Edited by yoi - 2/14/13 at 12:03am
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post #5 of 21
Thread Starter 
I see, I have extra PCIex lane at the bottom.
I cant check my GPU on device manager, because if I put my videocard my monitor will just turn black.
Im just using Integrated Graphics on my motherboard.
post #6 of 21
you can run both at the same time , just dont disable onboard grafics on bios and dont connect anything to the GPU

im reading and look what ive found http://www.techpowerup.com/174858/Some-Sapphire-Radeon-HD-7870-Cards-Affected-by-quot-Black-Screen-quot-Issue.html


... but people can just restart the PC and keep doin stuff . try and check if you can see the GPU on Display Adapters wile connected just to onboard grafics
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post #7 of 21
Thread Starter 
On my Display Adapters there's : Intel(R) HD Graphics 4000 (Microsoft Corp. -WDDM 1.2)
post #8 of 21
and the GPU , did u changed the lane ? and its powerd and all ?
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post #9 of 21
Thread Starter 
I switch the GPU to the other PCIex. But the thing is. If I plug the connectors from the PSU to GPU my screen will not open, just black thats why I connect my HDMI-DVI to my MOBO Integrated Graphics.
post #10 of 21
Thread Starter 
I just want to ask what will happen if my GPU cannot get enought power?
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