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vbalderas
Journeyman III

My computer doesnt boot when I plug my Gigabyte RX 460 4 GB GPU

My computer doesn't boot when I plug my Gigabyte RX 460 4 GB GPU. The motherboard start up screen appears and the fans are working but it does not get past it.

My motherboard is a H81M-VG4 R2.0

Pentium G3240

My PSU is a local brand Kmex 450w

RAM is HyperX Fury 8GB DDR3 1600 MHz.

Using Windows 10 Pro 64 bits

Any thoughts?

EDIT!!

I updated BIOS version to P1.50. This is what happened:

1. Upgraded BIOS version

2. Turned OFF computer

3. Plugged the RX 460

4. The computer booted correctly

5. Updated AMD drivers

6. Worked perfectly

7. Turned OFF computer

8. I was unable to boot it again.

9. Removed GPU

10. Computed booted correctly

11. Re-inserted GPU

12. Computer booted correctly

13. Turned OFF computer

14. I was unable to boot it again

15. Rinse and repeat

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15 Replies
nielsvds
Elite

Re: My computer doesnt boot when I plug my Gigabyte RX 460 4 GB GPU

I am more suspecting your power supply which doesn't supply enough power. You can better opt for better known brands such as XFX,Corsair,Antec,Seasonic, ... PSU.

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goodplay
MVP

Re: My computer doesnt boot when I plug my Gigabyte RX 460 4 GB GPU

Suspect psu (what model "PC....."PX").

What was previous graphics card ?.

Edit: letter change

Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3200c16d kit, Aorus nvme gen4 1tb, Nitro+RX6900XT, RM850.
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guily6669
Elite

Re: My computer doesnt boot when I plug my Gigabyte RX 460 4 GB GPU

Update your motherboard BIOS to the latest version and see if it works...

If it doesnt also try changing the boot mode from UEFI to BIOS and see if it works.

On my motherboard in UEFI boot mode, with the RX480 the screen doesnt even show anything. Changing to BIOS mode it worked...

Might be the same issue that your getting or other...

ps: And anyway that PSU doesnt look like its any great either, but no idea what you have (though its probably enough for that system, but, its better to always have a safer big margin).

vbalderas
Journeyman III

Re: My computer doesnt boot when I plug my Gigabyte RX 460 4 GB GPU

This is a brand new computer, I built it from scratch. This is its first GPU. The PSU is a very generic 450w model.

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vbalderas
Journeyman III

Re: My computer doesnt boot when I plug my Gigabyte RX 460 4 GB GPU

The UEFI compatibility mode of the motherboard is turned to Enabled. I think I have the latest BIOS version for what I was able to find.

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goodplay
MVP

Re: My computer doesnt boot when I plug my Gigabyte RX 460 4 GB GPU

www.k-mex.com/

Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3200c16d kit, Aorus nvme gen4 1tb, Nitro+RX6900XT, RM850.
0 Likes

Re: My computer doesnt boot when I plug my Gigabyte RX 460 4 GB GPU

Try booting up without the video card. Use the onboard graphics. It it works then the power supply is a good place to start.

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vbalderas
Journeyman III

Re: My computer doesnt boot when I plug my Gigabyte RX 460 4 GB GPU

Well, I was wrong, I updated the BIOS version and then I was able to boot the computer with the video card. However, when I turned it off and tried to boot it happened again. I took the gpu off and then plugged it again and it worked. Happened the same this morning. I can tell the motherboard is the problem.

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vbalderas
Journeyman III

Re: My computer doesnt boot when I plug my Gigabyte RX 460 4 GB GPU

Sorry, I am using the generic PSU included with the 3Z22 case.

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