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PSU not supplying enough power?

L

Lucifer Morning Star

Weaksauce
Joined
Aug 12, 2006
Messages
105
I did a small upgrade of my current build which amounted to a new ssd and cd/dvd burner. I also transferred my build to a bigger case(800D). Fast forward to everything being installed, my psu seems to not be supplying power to anything. The power light on my mobo comes on but nothing else. The cpu fan doesn't spin, my drives don't light up/open, and even the fan in my psu doesn't seem to be working. I never had any sort of problem like this til I transferred everything to the new case so I'm guessing I might've done something wrong, please advise.


Intel Core i7 920 CPU
Corsair 750TX 750W PSU
Gigabyte GA-X58A-UD3R Intel X58 ATX Motherboard
Corsair CMX6GX3M3A1600C9 3 x 2GB DDR3 1600 RAM
XFX HD-585A-ZNFC Radeon HD 5850 1GB PCI-E Video Card
Crucial M4 CT128M4SSD2CCA 2.5" 128GB SATA III MLC SSD
Windows 7 Home Premium 64bit OEM
 
1: Double check the front panel wiring, it may be as simple as the power switch connector not connecting the right pins. If it is correct, then remove the switch and use a small screwdriver to test the motherboard, if the screwdriver works then look at reseating/replacing the power switch wires 2: Disconnect everything except video and motherboard, test. If successful, add components one at a time until it fails. 3: Remove everything from the case and set it up on a nonconductive test bench (plywood works great for this).

When you put everything into the new case, did you trasnfer all your old components, including the power supply, or are you using a new power supply? If you're on a new PSU, try using your old one.
 
Reconnect most connections, sounds like either a short or not all the cables are connected correctly. PSU's are weird sometimes. I had a 700W working fine one day, the next it would power on everything including video card, but it wouldn't throw anything on the screen showing it's on. So yes do what Mhenley sugggests with removing parts and connecting each one between boots. I'd first disconnect any new parts since it worked fine before.
 
Alright, I replaced the psu with a Corsair GS700 and everything seems to be fine except for the monitor not coming on. It just goes into power save mode. I had this problem when I first built the system and it turned out that my ram wasn't properly seated, so I checked that and it appears to be fine. Any other suggestions?
 
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