Power supply is going bad?

January 13, 2011 at 09:12:51
Specs: Windows vista, Phenom X4 9850 2.5Ghz
Hello and hows are you guys doing, By the way this is my spec and used over 3 yrs from now and i experiecing random problem.

Spec are:
Phenom 9850 2.5Ghz (never been over clocked and 125watts as OEM box say)
4GB of ram OCZ-Sli version
Windows Vista 32bit
Evga 9800 GTX+ 1GB of ram ( power supply need is 450watts as box say )
Thermaltake big water water cooling system
650watts apevia power supply
and 150GB WD raptor 10,000 RPM

Last monday evening everything it's working fine and i shut it down my cpu and after few hours i open it again to see my homepage but i notice it there no screen or not even a ASUS boot up no picture at all but there is power the fans is running and the water cooling is working good. But i try to open the DVD-rom it's wont open and my mouse and keyboard no power at all i tried many times same problem so i unplugged the power supply power cord. After 10min i plugged in the cord on PSU and it's working fine i see a picture and i go thru windows deskstop with no problem at all. and "RESTARTED" many times seems is good but that night i shut down my computer the next morning i woke up i try to open my cpu same problem as last night no picture at my monitor but the fans its working hardrive is spinning but you wont hear the click clack from the hard drive. so i unplugged again the PSU cord, open my cpu and fixed all those scattered wiring from the motherboard so after 10min i plugged it again works fine and restarted many times it's seems works great with no problem at all. But when i put in " SHUT DOWN MODE " same problem before so i have to unplugge again the power cord from PSU and wait for 10min and plugged it again. so whats wrong with this?

( I already reformat the hard drive 100% all has been deleted and install new vista )
i widows updated it and done doing the memory checking if there a problem but there no any finding problem at memory check.

I hope some one will help me because i can't afford new cpu and i hate those go green scammers.

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January 13, 2011 at 10:24:19
Many of us find it very annoying when someone refers to their computer as a CPU. The CPU is the processor, your CPU is a Phenom 9850.

It certainly appears you have a hardware problem so I don't know why you bothered to format & reinsatll the OS. Apevia (aka "Aspire") PSUs don't have a very good rep. Consider yourself lucky that it lasted as long as it did & didn't "pop" & take out the CPU & motherboard.

You have an ASUS board, are you running Asus PC Probe II? If not, download it & install it. Use it to monitor your CPU temp plus the various voltages. Make sure the audible alarm is enabled & leave the program running (minimize to system tray). If there's a fluctuation in one of the voltage rails, the alarm will sound. If you catch it in time, you should be able to determine which voltage rail (+3.3v, +5v or +12v) is the problem. I guess knowing which rail it is probably doesn't matter, but at least it will confirm your suspicion that the PSU is failing.

ASUS PC Probe II 1.04.88

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January 13, 2011 at 11:17:10

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January 13, 2011 at 11:28:58
Thanks, But i was thinking to buy new PSU would you mind tell me what is the best and cheap PSU for my computer? Actually i build this computer but i am just begginer who knows how to build it but i really don't know anything about voltages and bios fixing.

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Related Solutions

January 13, 2011 at 11:52:44

This is just an example. The Corsair line is a very good psu. Look for a psu that only has one 12 volt rail like these. A good power supply will cost you $40 on up. Don't buy a psu because of the wattage rating. it can be very deceiving.

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January 14, 2011 at 22:47:51
Problem solved i found out one of 80mm fan is broken it's been connected to motherboard 3 pin power for 80mm case fan. But it's spinning i think the motherboard detect something wrong with the fan.

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