Vista not detecting Radeon HD 5450

rebel12340

New Member
Hello, I'm having an problem installing a Radeon HD 5450 into my Vista pc. I put the card in properly and have gone into the BIOS and set it from onboard to PCI-E x16, but the computer will still use the onboard graphics. Any help in figuring out why would be greatly appreciated. The computer specs can be found here: http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01176481&tmp_task=prodinfoCategory&cc=us&dlc=en&lc=en&product=3548669
The only changes I have made have been replacing the RAM with two 1GB RAM sticks, and replacing the power supply with one from my other computer that originally had this card in it.

And I'm also wondering, and this may be a stupid question but I'm curious, if an NVIDIA GeForce FX 5200 is better than the onboard graphics on this pc.

Thank you.
 
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The computer looks a very basic oem system, do you know what power supply you have ? , the requirements of that card say minimum 400w power supply
 
Silly question but does the Graphic card have it's own power supply (4 pin white plug (Normally) and is it plugged it.

The other possibility is that when you removed from the other computer you damaged it.

Did you remember to Earth yourself and wear an anti-static strap when removing or replacing in your new machine?.

Terry
 
The power suppy is a 300W psu and I had no problems with it before.

And the graphics card has no plugs on it. It is possible I damaged it, I don't own an anti-static strap, but I did touch the metal inside the case to remove any static.
 
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