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Computer not booting after PSU upgrade

  • Power Supplies
  • Computers
  • Corsair
  • Components
Last response: in Components
September 22, 2011 4:09:39 PM

I recently bought a corsair 650w tx2 to upgrade my pc, however after fitting it and plugging everything in when I press the on button it will turn on for about a second then shut off. Couple of seconds later turn on and shut off again etc

More about : computer booting psu upgrade

September 22, 2011 4:23:06 PM

Have you tested all the connections are made properly?
September 22, 2011 4:25:27 PM

If you mean they are in correctly I guess so, I tried it with just the mobo and CPU and it did the same
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September 22, 2011 4:27:44 PM

Looks like a faulty PSU to me. :( 
September 22, 2011 4:31:37 PM

Godammit D: just my luck.. First time doing this sort of thing. Is there anyway to test without a tester, could I try it in a different computer?
September 22, 2011 4:34:14 PM

Is there any Voltage Selection switch behind the PSU? If yes, make sure it is set to the proper voltage level for your country.

North America and Japan use 110/115v, while Europe and many other countries use 220/230v.
September 22, 2011 4:36:34 PM

yeah u can try it in a different computer.
September 22, 2011 4:42:55 PM

D: it's only in one computer the 2nd one runs fine..
September 22, 2011 4:51:08 PM

Well I put the old PSU in the comp again and that worked. So it's just new PSU with that comp.. Where does that leave me?
a b ) Power supply
September 22, 2011 5:09:08 PM

Lfluxx said:
Well I put the old PSU in the comp again and that worked. So it's just new PSU with that comp.. Where does that leave me?

Well that leaves you with a working computer and a PSU that needs to be RMAed. Are you sure the new PSU has enough juice to drive your setup? Seems like your old one does (though it may be over-stressed with your upgraded system). If you'd like post your full system specs.
September 22, 2011 5:19:45 PM

I'm upgrading the system gradually to get eyefinity, I had a 450w generic PSU that came with the comp so it's now 650W so that should definitely work.

Mobo. Foxconn p55a
CPU i5 650
4x2gb crucial ram
PSU old : cwt 450w
PSU new : corsair 650w tx2 enthusiast series
September 22, 2011 7:40:37 PM

Anyone? D:
a b ) Power supply
September 22, 2011 8:41:56 PM

Lfluxx said:
Anyone? D:

So your new 650W PSU works in one computer but not in the other? Are you hooking up all the cables that are necessary? Graphics cards sometimes need cables, the motherboard often has multiple cables, etc. etc. Sorry if I'm being redundant but if the PSU is indeed functioning properly in one machine, then you must not be hooking it up properly to the other machine. What graphics card/cards are you using in the machine that won't work?
September 22, 2011 9:07:58 PM

Ati 5570 ATM, I set it up exactly the same as the other PSU yet it doesn't work, when I unplug everything as in ram gfx and all that it still does the same, turns on for a second then shuts off and gets stuck in a circle.
September 22, 2011 9:29:31 PM

I think I know the problem, on newegg someone posted that the seasonic x series PSU s were incompatible. And I think one of the reviews for the tx2 said it was basically a seasonic x. So I'll take that back and see if I can get a different one to work :/ 
September 23, 2011 5:12:45 AM

I have 2 suggestions for you.

1-check cables and re-arrange all cables again.
1-check monitor power cable and your stabilizer.
September 23, 2011 3:34:41 PM

It's k, The mobo is incompatible with Seasonic X Series, Which i believe the TX2 in the flesh is, im going to try a different PSU if not, the mobo is going in the bin early.
a b ) Power supply
September 23, 2011 8:42:08 PM

This topic has been closed by Mousemonkey