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Pc will not turn on. Flashes on for a split second, then off.

kevin2266
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Hi,

Last night I got into a disagreement with my father. It ended with the hdmi and display port 1.4 being ripped out. The display port 1.4's connector was bent. I swapped out the broken display port 1.4 cable with a new working one. The pc worked fine last night. Now this morning, when I try to turn on the pc, the red fan flashes for a split second and turns off. How do I get my PC to boot again? Any ideas on what happened?

 

Thanks for the help,

 Kevin2266

 

 

UPDATE:

I found that the PSU died. I bought a new one and now it works.

Thanks for the help!

 

Edited by kevin2266
update
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Honestly I would try resetting the cmos. Could be it tries to post and fails. Another possibility is that the cpu fan header got disconnected somehow. Was the displayport connected to the motherboard?

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Dedicated Gpu

It is a gtx 1060 6gb.

 

PC:

  • CPU
    i3 8100
  • Motherboard
    Gigabyte B360 Ds3h
  • RAM
    Crucial Sport LT 8 Gb
  • GPU
    Evga Gtx 1060 6gb Sc
  • Case
    Corsair Spec 01
  • Storage
    Adata SU800 128Gb SSD
  • PSU
    Evga 80+ 500W

 

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Just now, Brooksie359 said:

Honestly I would try resetting the cmos. Could be it tries to post and fails. Another possibility is that the cpu fan header got disconnected somehow. Was the displayport connected to the motherboard?

The displayport was connected to the gpu.

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1 minute ago, kevin2266 said:

The displayport was connected to the gpu.

See that doesn't make sense to me. I didn't think a bad gpu would stop the pc from turning on.

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2 minutes ago, Brooksie359 said:

See that doesn't make sense to me. I didn't think a bad gpu would stop the pc from turning on.

The port that the wire was connected to still works but is visibly damaged. Would a short circuit inside the gpu cause the PSU to shut off?

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5 minutes ago, kevin2266 said:

The port that the wire was connected to still works but is visibly damaged. Would a short circuit inside the gpu cause the PSU to shut off?

If you have an igpu or another gpu I would test with it and see if it turns on. 

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28 minutes ago, kevin2266 said:

The port that the wire was connected to still works but is visibly damaged. Would a short circuit inside the gpu cause the PSU to shut off?

Yep. Computers will automatically turn off if there is a short circuit, which is detected very quickly. On the bent connector, try making sure none of the pins are connected, that may be the cause of the issue.

 CPU: I9-7900X RAM: 64GB (16X4) DDR4-2933 GPU: PNY RTX 2060 MOBO: ASUS X299 Deluxe PSU: Corsair RM850 SSD: ADATA XPG SX8200 PRO 1TB HDD: Seagate Barracuda 2TB Case: Corsair iCUE 465X Cooler: Corsair 280 AIO

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6 hours ago, Brooksie359 said:

If you have an igpu or another gpu I would test with it and see if it turns on. 

I took out the gpu and the same problem still occurs. 

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