No boot after new video card installed

I have a Win 7 32bit system. I am replacing my 2GB 8600GT DDR2 video card with a Radeon HD 5450 2GB DDR3. I have an MSI K9A Platinum board with 4GB RAM, and a new 600W power supply. I have uninstalled all the drivers and software for the old video card so that the default windows driver is being used. I installed the new card, and the system will not even post. I have updated the BIOS to 1.9. In order to get the system to boot, I have to put the old card back in and reset the CMOS. It then boots and works as normal.
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  1. When you say it won't even post? What do you mean? Do you hear fans spinning or nothing happens at all?
  2. Assuming both cards are connected via the same output (HDMI, DVI, etc and didn't forget to switch the monitor to the different input), it would appear the card is defective.
  3. I can power the system on, but it will not show the MSI post screen. I cannot access the BIOS. It does nothing like it has no idea on what to do when the new card is installed. I almost feel like I need to prinstall something before it will allow the default video driver to work. The motherboard does not have on board video either.
  4. Any (working) card will produce video at boot and in BIOS before needing a driver. The driver you load later is just for the OS you use. It sounds like the new card is defective if the old card works.
  5. No, you never need to "pre-install" anything for a video card. Even without a driver it will display something (could be only 16 colors, but you will definitely have an image).

    Just like clutchc said, it sounds like your new card is defective. Assuming both cards use the same input, otherwise you need to change input on the monitor to get a display.
  6. clutchc said:
    Any (working) card will produce video at boot and in BIOS before needing a driver. The driver you load later is just for the OS you use. It sounds like the new card is defective if the old card works.

    I hooked them both up VGA. The reason I got the new card is because I want to run it through HDMI. Should I try hooking up with an HDMI cable from the card to the monitor? I think that's the only thing I haven't tried. I don't know if there is an autodetect for output from the card. I had it hooked up VGA like the previous card, so I didn't need to change the input on the monitor. But now Im wondering if the out put from the video card is something other then VGA until it is setup.
  7. Yes, might try that before giving up. Does the HD 5450 have a VGA port or did you have to use an adapter?
  8. clutchc said:
    Yes, might try that before giving up. Does the HD 5450 have a VGA port or did you have to use an adapter?

    It has VGA, DVI, HDMI. I only tried VGA. The monitor only has VGA and HDMI
  9. Btw... the HD 5450 is actually a slower card than the 8600GT. So if you are expecting a gaming improvement, you will be going in the wrong direction: http://www.hwcompare.com/455/geforce-8600-gt-1gb-ddr2-vs-radeon-hd-5450/
  10. clutchc said:
    Btw... the HD 5450 is actually a slower card than the 8600GT. So if you are expecting a gaming improvement, you will be going in the wrong direction: http://www.hwcompare.com/455/geforce-8600-gt-1gb-ddr2-vs-radeon-hd-5450/

    Not so much for gaming as watching vids. The problem is my 8600GT fan is bad. The 5450 has HDMI and the 8600GT does not
  11. Was it a new card or used?
  12. clutchc said:
    Was it a new card or used?
    new card from newegg
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