Computer help forum: New parts: Now computer is not working

by: derka929 April 7, 2013 6:57 AM PDT

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New parts: Now computer is not working

by derka929 - 4/7/13 6:57 AM

I bought an Gigabyte Raedon HD7870, Corsair 600w PSU, and a Lite-On DVD burner. I went to put all these parts into my pc and the system powers on but nothing shows up on the screen. All the fans are running on the case and the GPU, the PSU fan is running, the DVD drive is running but I get no signal from the 7870. I have tried various combinations to see if something will work. I have tried the old PSU to make sure it wasn't the new one, I tried the old card with the new PSU and still nothing, I have even tried putting my old parts back in and still nothing (which makes me think the mb or a hdd went right at the same time I tried to upgrade).

The system worked flawlessly until I attempted to upgrade the GPU and the PSU. To the best of my knowledge everything is plugged in right.

I have read every forum topic, post, help guide around on these site and others and nothing as helped. I have even seen a post about the A880GZ not working right with the 7870 but since my old 8800gtx won't even work it makes me think that it not problem.

System without upgrades:

AMD Phenom II X4 965 3.4Ghz
Biostar A880GZ
Kingston 8GB DDR3 1066
WD74GB Raptor - boot drive
WD500GB
Windows 8
8800GTX
Antec 500w

Thank you for your help. I am at a lost and I hope someone can see something I over looked.

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