Crossfire problem with 3870X2 and 3870.

Mu specs are as follows:

Asus P5Q Pro mobo.
Intel Q660 @ 2.4 GHZ.
1000W P.S.U.
500GB HDD.
3870X2 and 3870 in Crossfire.

I have only recently added the single 2870 and a single Crossfire bridge to my set up. Now whenever I boot up the PC, it starts for a second, with the fans coming on and some internal liights flickering on, only for it to power off momentarilly and boot up again as normal. After it boots the second time I experience no more problems. In fact the PC runs fine. My Processor is not O/C and I have not altered any settings in BIOS.

Do you guys have any ides why my PC is doing this whenever I turn it on? I is something to worry about and how can I prevent it from happening?

Many thanks, Bill.
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More about crossfire problem 3870x2 3870
  1. Hi, I will find out tonight when I get home from work. I will post an update on here when I do. I bought the PC from a colleague, who states that the P.S.U was purchased from E-bay, and he did say that even thought it should be up to standard, it won't perhaps provide the same level of quality as say another branded item. Pehaps then it's the weak link in the chain? :??:
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