Computer Died :-(

Neo55378008
Neo55378008 used Ask the Experts™
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A week ago I installed a Geforce FX 5900 into my computer and everything ran great except my USB mouse. For some reason, ever since I installed the Geforce FX, if I have my USB mouse plugged in, my SCSI controller won't be detected. Thats not the big problem though. Today I was playing JK2 and all of a sudden my comp powered off and now it won't turn back on. I haddn't checked the temperatures lately but my computer alwas ran well under the dangerous zone (mobo around 45-50°C, CPU around 54°C and video around 51°C). It looks like it's not the power supply because the onboard NIC card's light is still on. The mobo is less than a year old, it's an Asus A7V8X-X. I have a 350w power supply (that use to be enough). I'm not really sure how much power my comp needs but I do have a lot of hardware. There's the Geforce FX5900 256MB (which needs its own power source), an AMD Athlon XP 2700+, 512MB DDR 3200, a 73GB Maxtor (Quantum) 10KII SCSI drive, another 60GB Maxtor 5400RPM IDE, a 24x10x40 TDK CD burner, a 2x Creative DVD drive, your standard floppy drive, a Creative Audigy Platinum (with the Audigy Drive), an LSI-Logic Ultra 160 SCSI controller (single channel), an external parallel port Zip Drive,  a case fan in the front, and a case fan on the side pannel. I have a lot of those Y-splitters for the power cables because there wasn't enough. Am I just using to much power for my 350w power supply to put out? If so, why did it wait for a week before it died?
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Commented:
First try removing all but the motherboard, cpu and power supply. If no beep at boot try another powersupply, these things just die sometimes. When you get a beep at boot, shut down and add one good stick of memory and a known good video card. By eliminating hardware and getting to the basics you should find you problem. If the motherboard is a year old ASUS warranty is 3 years for retail motherboards. Good Luck, Jerry

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Commented:
I firgured out its the power supply. I swapped it with another 350w that I had and the computer worked. I'm not going to keep this power supply in because it goes to my other computer and i'm affraid my computer needs more that 350w now. Can someone recommend the correct wattage for my setup. Should I get a 400w or higher?
Commented:
There is more to a powersupply than just the overall wattage not all supplies of the same size are created equal. I like Antec and EnerMax powersupplies myself and the higher the wattage the better. I would rather have a 350 watt Antec than a 400 watt  brand that I have never heard of. There is no such thing as to big, so let your wallet decide. Good Luck, Jerry
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Commented:
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Try out the above links you can learn more than you ever thought you needed to know. Good Luck, Jerry

Commented:
Thanks for the points hope you find a good power supply. Good Luck, Jerry

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Commented:
I got an Antec 480w PSU. Thanks for the advice.

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