users manual for PSU

Micro star / 7529
June 17, 2010 at 12:36:55
Specs: Windows 7
I replaced the power supply but, now the comp. isn't powering up. I think I set it all up right but, if anyone has the owners manual or knows of some place I can get it can you please tell me where. I've searched the msi site and have gotten nothing.

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June 17, 2010 at 13:28:52
Connecting a power supply is pretty self explanatory. The 24-pin plug connects to the 24-pin connector, the square 4-pin ATX12V plug connects to the square 4-pin connector, the 4-pin molex plugs connect to the IDE devices, the SATA plugs connect to the SATA devices, the 6-pin PCIe plug connects to the video card, & so on. It's almost impossible to do it wrong. Either you bought a cheap generic PSU that's inadequate for your system, or your forgot to connect one of the plugs.

Why did you replace the PSU in the 1st place?

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June 17, 2010 at 13:33:21
What part of the world are you located in? Many PSUs have a 115V/230V selector switch. If your local power is 115V and you set the PSU to 230V there is no harm, it just won't run.

If you need 230V and set to 115V you will have fried the motherboard at the very least.

This may not be your issue at all.

Why did you replace the PSU anyway?

If your old PSU died it could have damaged other components when it went out.

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June 17, 2010 at 13:34:09
You don't usually get a user manual for a PSU. You install then, plug everything in, switch on it either works or it doesn't.

If it doesn't work, as is obviously the case here, there are only a limited number of possibilities. Either you have not connected everything properly or there is something else wrong that has nothing to do with the power supply. This assumes of course that it is a properly functioning power supply to begin with.

The motherboard manual is most likely to be your best source of information as that will tell you where each of the connectors on the power supply is supposed to go.

Knowing what the problem was in the first place that prompted you to change the power supply would help.


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