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Problem with Video Card Upgrade

S

Stugots

Supreme [H]ardness
Joined
Feb 25, 2004
Messages
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I'm trying to help my brother-in-law who is out of state get a new video cards working in his system.

He has an HP H8-1070T which uses Pegatron IPISB-CH2 motherboard. His old video started failing so he decided to upgrade to a new XFX Radeon R9 270X. He figured that this new video card would push his power supply too much, so he also swapping in a Thernaltake 600W power supply. Switching in the power supply went OK, but whenever he tries to put in the NEW video card, the system won't book. It will power-on, but no BIOS messages of any kind show up.

The system still boots and works with the old video card, albeit with some display problems. I walked him through checking to make sure the on-board graphics was disabled, which it is; and also resetting the CMOS to factor defaults. We also tried unplugging the power from the DVD and disk drives to see if the card was maxing out this new 600W power supply. None of this worked.

I looked into BIOS revisions for his system, and there is only one newer BIOS version but all it does is add new CPU microcodes. so I didn't think it was relevant.

He also tried returning the video card and getting a new one thinking that he just got a defective card.

I feel really stupid and stumped by this problem, and am at a loss of ideas as to what the problem could be. Looking for a little help.
 
Might be a silly question, but does he have two PCI-E 6 power connectors plugged into the new card?
 
Try a better PSU. That THermaltake is more than likely one of their TR2 or Smartpower line. So not very good PSUs.
 
Dangman said:
Try a better PSU. That THermaltake is more than likely one of their TR2 or Smartpower line. So not very good PSUs.
Click to expand...

I would imagine he would still get some sort of a response from the system if the power supply is still not powerful enough.

Just checked and it is a TR2 model.
 
acascianelli said:
I would imagine he would still get some sort of a response from the system if the power supply is still not powerful enough.
Click to expand...

Not necessarily. Poor quality PSUs can cause the issue you're seeing now.

But just to be clear, any chance you can test the system with a 3rd card? There's a possibility that it wasn't his old video card that was failing: It might be the motherboard itself.
 
I'm having him see if he can find someone to test both cards in a different system. Try to duplicate the problems with the old card, and verify that the new card works.

Worst case, I may have him ship the whole damn system to me.
 
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