I installed my new video card but there's no display, what's wrong?

HP Media Center m7160n Desktop PC with an Asus P5LP-LE (Limestone-GL8E) mobo

3 GB RAM

XFX Radeon HD 4550 DDR2 Video Card





I wanted to play games like Vindictus and Combat Arms so I got:

XFX HD-567X-ZNL3 Radeon HD 5670 1GB 128-bit DDR3 PCI Express 2.1 x16 HDCP Ready Video Card

CORSAIR Gaming Series GS600 600W ATX12V v2.3 80









I first changed the battery and it worked perfectly, absolutely no problems. But when I switched video card, I freaked out. There's no signal going to the monitor at all, but if I plug in everything to the computer, it turns on. However, I think one of my fans (the one for the battery maybe?) is working wicked hard and it's being really loud. Maybe it's my processor...





I talked to some people and they said it'll work, and they have no idea why it's not working. They said I should try bios and I did but that doesn't change anything, and then they said do the beep test but either I don't know how to start that or I'm just not hearing any beeps. I can't return it since it's a present and it was ordered way before Christmas. The drivers are installed though, my computer's working to hard for some reason and no signal is sent to my monitor for some reason. What should I do? I'd ask a computer techy but they want money haha|||Drew Hutchins got it partially right - you need to go into the BIOS and disable the on-board video.



OK, re-enable it and plug the video cable back into it's connector. Does the computer start up and display a picture? If so, you have a problem with the new card. Cannot get much detail about the XFX card, does it have sockets on it to provide extra power, and have you connected them to your power supply? If you have then the power supply probably isn't supplying enough 12v current to start up the card.



PS "Tweaking bios settings" does not give me a clue about what you have done. For all I know you could have fiddled with the PCI Express voltages etc - you should not actually have to change anything in the BIOS at all. Both the on-board and the add-in card CAN work side by side.|||Go into the BIOS setup(F2 when booting up, in most cases). Go to the video settings, and make sure your video card is the one selected.|||Sometimes the issue is the chord the connects from your computer to your monitor. The part of the chord that is plugged into the computer might in the the wrong spot.



However you say your fan is working too hard. Perhaps your video card is too high quality for your processor to handle? Or maybe you have an old motherboard that cant handle the modern video card?



Also based on your specs you have DDR2 with a DDR3 video card. That sounds like the problem right there. The newer DDR3 video card doesn't like the DDR2 technology.