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New graphics card won't boot

Recently i bought a ATI Radeon HD 6670 1gb DDR5, the problem is, after i installed it it wouldn't boot up, after 20-30 sec's it just boots up the on board card and works normally. I tried disabling the on board card drivers and i didn't work. I tried installing the AMD catalyst drivers but i got an error in the installation. I also updated my BIOS, but it still won't work. The fan on the graphics card works even though it wouldn't boot boot up. Please help.

My specs.
Procesor:
AMD Phenom(tm) 8450 Triple-Core Processor 2.1Ghz

Motherboard:
Biostar MCP6PB M2+ 6.3ver
BIOS:
Brand Phoenix Technologies, LTD
Version 6.00 PG
Date 06/30/2010

Graphics:
On board: Nvidia 6150SE nForce430
New one that won't work: ATI Radeon HD 6670 1gb DDR5

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5 answers Last reply Best Answer
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  1. Hello,

    It sounds like it could be a power issue. Do you know what size of PSU you have?

    The PSU might not be able to supply enough stable power to all the components. Have a look on the side of the PSU, it should give you a brand name and what wattage it is, so for example "Corsair 500W" or something along those lines.
  2. Switching power supply
    Model: ATX-500

    I think that's it, plus there's a logo of "PDS - Pakom Distribution System.
  3. Best answer
    I think that is where you problem is.

    It sounds like you need to get yourself a better PSU, fortunatly they are not the most expensive part on the computer. I would look to get one for about ~£35 (I am in Scotland, not sure of the exchange).

    Get one with a good brand name i.e. Corsair, Coolermaster, Antec ... etc (check for rating too they can be real handy).
    I also would not get anything over 500W as you will not need it, somewhere between 400-500W would be idea.

    Fitting all the cables again can be a pain.

    If you need help doing all the cable work just give me a PM or something :)

    Ricky Glumac said:
    Switching power supply
    Model: ATX-500

    I think that's it, plus there's a logo of "PDS - Pakom Distribution System.
  4. alexinnes said:
    I think that is where you problem is.

    It sounds like you need to get yourself a better PSU, fortunatly they are not the most expensive part on the computer. I would look to get one for about ~£35 (I am in Scotland, not sure of the exchange).

    Get one with a good brand name i.e. Corsair, Coolermaster, Antec ... etc (check for rating too they can be real handy).
    I also would not get anything over 500W as you will not need it, somewhere between 400-500W would be idea.

    Fitting all the cables again can be a pain.

    If you need help doing all the cable work just give me a PM or something :)


    Thanks for the help. I will do that. But still, this is what's under the table on the PSU:
    +5V & +3.3V combined 140W max +5V & +3.3V & +12V combined 482W max, total output 500W max

    Does that change anything? Thanks again. :)
  5. Cool, yes that is just information on what "Rails" output, nothing you really need to worry about. Hmm it does say that its outputting 500W, yet I would not trust it entirely as its not really a well branded PSU.

    Ricky Glumac said:
    alexinnes said:
    I think that is where you problem is.

    It sounds like you need to get yourself a better PSU, fortunatly they are not the most expensive part on the computer. I would look to get one for about ~£35 (I am in Scotland, not sure of the exchange).

    Get one with a good brand name i.e. Corsair, Coolermaster, Antec ... etc (check for rating too they can be real handy).
    I also would not get anything over 500W as you will not need it, somewhere between 400-500W would be idea.

    Fitting all the cables again can be a pain.

    If you need help doing all the cable work just give me a PM or something :)


    Thanks for the help. I will do that. But still, this is what's under the table on the PSU:
    +5V & +3.3V combined 140W max +5V & +3.3V & +12V combined 482W max, total output 500W max

    Does that change anything? Thanks again. :)
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