pc wont boot with new graphics card

February 20, 2012 at 03:18:41
Specs: Windows XP
hi
after fitting a new graphics card my pc wont boot monitor stays blank.put the old card back in and all is ok my mother board is a nforce4-a939 the new card is a vtx radeon hd 5450 are thay compatible because i have just noticed that my mother board has a pci express rev 1.0 but the new card says pci express 2.1 is tham my problem or am i missing somthing
any help is much apreciated

thanks tony


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#1
February 20, 2012 at 03:28:06
Before changing things on your PC I would test the card on another computer. If the card fails to function on a computer with a newer (PCI-E 2.1) computer, then the card is likely to be broken

Another thing that might be worth checking is what power suppply the graphics card requires. A LOT of graphics card issues can be tracked down to a power supply that cannot produce the required amount of power


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#2
February 20, 2012 at 04:05:27
hi m8 just tryed the card on another pc and works ok in the prosess of trying another power supply the one in the pc is a atx 12v 500w peek so not shore about the psu yet going to try a diffrent psu

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#3
February 20, 2012 at 04:22:12
PCI express is backward compatible meaning no problems running pci-e 2.1 video card in pci-e 1.0 slot.

The PSU isn't the problem because hd 5450 draw less than 60watts from pci-e slot.
What is your previous video card?
Make sure hd 5450 sits well on pci-e x16 slot.

You know the real meaning of peace only if you have been through the war.


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Related Solutions

#4
February 20, 2012 at 04:27:11
hi the old video card is a radeon x550
just tryed a nother psu but still not booting.
also just notied has the pc is trying to boot u can hear the hdd trying to start up but sounds like hdd unable to start if this helps at all but put old card back in and all ok
thanks tony

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#5
February 20, 2012 at 05:06:44
Post all your hardware specs, including the brand and FULL model number of the power supply. I wouldn't rule out the power supply just yet.

Have you tried returning the setup to the previous condition to see if it still runs then?


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#6
February 20, 2012 at 05:48:09
hi yea
spec
mother board nforce4-a939
amd athlon 64 processor 3200
ram 4gig
psu is a jeantech atx12v2.0 500w

card trying to install is a vtx redeon hd 5450

yes put the old card back in and all ok
tryed new card on another pc and works ok


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#7
February 20, 2012 at 06:39:04
@OtheHill
Hd 5450 max TDP is only 19w and any junk unit out there can run it.

@tony
U didn't list the previous video card.

You know the real meaning of peace only if you have been through the war.


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#8
February 20, 2012 at 06:44:44
sorry
old card is a radeon x550 256mb
chears tony

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#9
February 20, 2012 at 07:12:06
The card is not compatible with the PCIe 1.0 slot.

http://en.wikipedia.org/wiki/PCI_Ex...


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#10
February 20, 2012 at 07:26:42
hi riider yes that is what i think and when u read that link the pci 2.0 is backward compatable with pci 1.0 but the pci2.1 is not
chears m8

ps this video card is asking for pci 2.1


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#11
February 20, 2012 at 07:47:28
riider to the rescue.
I didn't know about this, i did some little research and found most pci-e 1.0 slot doesn't work with 2.1 cards(as riider stated) but pci-e 1.0 slot works well with 2.0 cards.

You know the real meaning of peace only if you have been through the war.


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#12
February 20, 2012 at 07:49:41
i am now reading that a bios update can help so having a go at updating bios

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#13
February 20, 2012 at 07:50:45
Is the link below for your power supply? I asked for model number but you didn't provide one so I am not sure.

http://www.jeantech.com/500.htm

If this is your power supply that unit has 2-+12V rails. 1@15A & 1@18A. One is dedicated to the CPU and the other would handle all the other 12V demands. Which is which I don't know. Taht said, this is not a good PSU. Only 70% efficiency and less than 20A per rail.

If you restore the computer back to all the original parts and it then runs OK, I would feel confident stating the problem is the PSU. That assumes you are fully inserting the card and you are NOT getting any video at start up.

I forgot to ask which port on the new card are you trying and are you using any adapters in the cabling?


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#14
February 20, 2012 at 08:17:24
hi othehill
sorry no model number
the numbers i can see on this psu is jnp-500ap same as the link u sent
yes if i restore computer back to original parts yes it works ok no probs
sorry not shore what u meen by witch port there is only one port on my mother board that will take the card and no not using any adapters m8
regards tony

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#15
February 20, 2012 at 08:34:56
tony, seems as though your problem is with the slot version as riider posted.

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#16
February 20, 2012 at 08:36:50
hi m8 it is looking like that is the problem m8 meay thanks for your help
chears tony

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