No video input. Entering sleep mode.

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Nereknu

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Aug 30, 2016
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Hey guysI was on my PC and had bluescreen but nothing changed I dont remember what it said sorry but that means some issue probably I was ignoring that and everything was fine then I went to bed and in the morning I turned my PC on and got no video inout entering sleep mode message :O Monitor is okay I tried it on my laptop and it was working. I tried to unplug my GPU and try it without it but still no difference then I tried to unplug one RAM and use MB GPU and the PC was working then I tried second RAM and the pc was working aswell the RAM are working I tried them on friend PC so I dont really know where is the problem then I tried GPU again and was getting some DUAL BIOS UEFI messages and then the PC always rebooted and again went off. I visited service and they said its probably powerr supply because it cant supply the GPU but I thought its MB so what do you guys think I wasnt able to try my GPU unfortunately but its the newest component (2months old) the rest is 3 years old. Thanks for feedback :)
 
Solution
Shektron
Alright, so your board has dualBIOS, which might help if the motherboard BIOS is bad. To kick in the backup BIOS, turn off your computer, then hold the power button, and keep holding until the PC doesn't turn on and shut off again. Once it has shut off, then press the power button just once, like you do normally. It should update the main BIOS from the secondary BIOS, and if the issue was BIOS-related, then this should fix it.

If the above doesn't work, it's probably your PSU.

Also, considering the reply just above this, maybe you should try breadboarding using the motherboard box or some other non-conducting surface. That usually eliminates the short, if it's due to the case that is.
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Shektron

Shektron

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May 31, 2017
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As you have already deciphered, it's either the motherboard or the PSU. Can you list the full system specs, including PSU? It could be a BIOS problem, maybe your board has a secondary BIOS which might fix things. Can't say for sure without full specs.
 
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Shektron

Shektron

Honorable
May 31, 2017
3,373
248
9,740
Alright, so your board has dualBIOS, which might help if the motherboard BIOS is bad. To kick in the backup BIOS, turn off your computer, then hold the power button, and keep holding until the PC doesn't turn on and shut off again. Once it has shut off, then press the power button just once, like you do normally. It should update the main BIOS from the secondary BIOS, and if the issue was BIOS-related, then this should fix it.

If the above doesn't work, it's probably your PSU.

Also, considering the reply just above this, maybe you should try breadboarding using the motherboard box or some other non-conducting surface. That usually eliminates the short, if it's due to the case that is.
 
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