Hi I've had my HP pavilon p7-1414 for about a year now and I recently wanted to upgrade some of the internal conponants. So I got a graphics card (XFX HD 4670) and I connected a 600w power supply (tr2 600w). Now my computer does not turn on. I put back all of the stock parts made sure everything is connected. Still it didn't work so I tried the tricks that the support line told me, hard reset and even remove ram. I really want this computer to work I've invested a great deal of money into it and I would greatly appreciate the help.<br><br>The problem in detail is: ( NO GRAPHICS CARD INSERTED) my power supply (stock) has the green light in the back it's on and is not blinking. So the power supply is working. The next thing is that the fans will run, every one of them, the power supplies and the other two. My CDROM drive also opens and closes. Still there is no light on the top of the tower and there is no beeping so there is not a power problem. Thank you.
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