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Radeon hd 6950 not working

this is a noob question lol

i installed a radeon hd 6950 on this computer the computer specs are on the bottem of the link
theres no red light on the card wen it starts up i connected everything right i updated the bios and the motherboad drivers and disableing the on board graphics wen i put jus the pci e port on the computer dosent make a boot noise it stays on but nothing happens when its like that
if anybody has anymore sugesstions please let me know
10 answers Last reply Best Answer
More about radeon 6950 working
  1. Have you plugged in the 6-pin PCI-e power connectors to that graphics card? The connectors should look like this on the card:

    This is what you need to plug into those:

    If you have in fact done this, I would suspect that the power supply in that Cyberpower is nowhere nearly good enough for that card.
  2. yes i have 2 of them on my graphic card
  3. Then are you able to tell me some specs of the power supply? Particularly the label for it. If its a good 500W, it should run, if not, it definitely will not.

    The label should look like this:

  4. the power supply is 500 Watt - AC 120/230 V (50/60 Hz)
  5. Is there anything that gives any information on the 12V rails? Like 16a or 20a for example?

    For reference, I have my 6950 2GB in my computer, and I've got a very highly rated Antec HGC620W-M. Its a 620W power supply.

    Basically not all power supplies are made the same. Some are much better than others.
  6. turbolink switching power supply
    model : atx-tl500w-bk 12v

    INPUT 115/230V 10/5A 50-60Hz

    MAX DC +3.3V +5V +12V1 +12v2 -12V -5V +5Vsb BLK GRN GRY
    OUTPUT 20A 30A 16A 18A 1.0A 0.5A 3.0A COM P-ON PG

    i couldnt take a picture but copied everything lol
  7. Best answer
    That's kind of a lame PSU. I'm not sure if the HD6950 would really run in it with all the other stuff you have in it already. It has alot of amps on the 3.3V and 5V rails, which today is not really that great, since most modern components use 12V rail power.

    This could lie the source of the problem. On a full load, the 6950 uses 180W, which is about 15a. That might not sound like alot, but it kinda is. The power supply is not always efficient in transferring AC power from the wall to DC power. Sometimes the energy is lost, such as in heat.

    Anyway, long story short, most likely the power supply is not enough for the computer. I would say a GOOD 600W would be enough to power your system.
  8. Best answer selected by cheo333.
  9. ohh ok thanks for helping me out i really appricate it
  10. This topic has been closed by Mousemonkey
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