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PC No Display AKA Black Screen

HP Recommended
HP Envy Model No. h8-1549
Microsoft Windows 10 (64-bit)

Hello HP,


my gaming PC is facing some issues. For one, I can't get it to display anything or POST. The PC was fine until a couple days ago when it started crashing a few times (static noise then black screen). The PC is an Envy h8-1549.



Mobo: Pegatron (?)

PSU: 750W EVGA Supernova NEX750B

SSD: Samsung Evo 8 250 GB

HDD: WD Blue 1 TB

CPU: i7 3770k

GPU: Gigabyte R9 390 WindForce 8 GB DDR5

RAM: 2x 8 GB 1866 MHz Corsair Vengeance Pro Series + 8 GB 1600 MHz G.Skill + 8 GB Micron MT16JTF1G64AZ-1G6E1

I have tried resetting the CMOS to no avail. I unseated & reseated everything except the PSU and CPU, and swapped RAM around a little bit. I could probably get my hands on another PSU to test it out. My screen's main input has always been DisplayPort, but I can also do HDMI. Unfortunately the mobo only has DVI-I (Dual Link) output, for which I don't have a cable. But I do have a DVI 24+1 to HMDI adapter.

Thank you HP, I'm really in the dark here.

HP Support Agent
HP Support Agent
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Message 2 of 2
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HP Recommended


Thank you for posting on the HP Support Community.


Don't worry as I'll be glad to help, however, to provide an accurate resolution, I need a few more details:

  • Did this happen after a recent window or software update?
  • Have you made any hardware/software changes?

While you respond to that, let's try these steps: 

  • Step 1: Remove discs and devices
  • Step 2: Perform a hard reset
  • Step 3: Run hardware diagnostic tests
  • Step 4: Refresh or reset your PC. Click here: to complete the troubleshooting steps. By end of the article, you will be able to fix the issue.

Hope this helps! Keep me posted for further assistance.
Please click “
Accept as Solution” if you feel my post solved your issue, it will help others find the solution.

I am an HP Employee

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