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Mobo prob, or is it PSU?

Last response: in Motherboards
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December 24, 2011 2:34:05 PM

Good day to all,

i do need some opinion. i'm also have a little problem with my system regarding turning on the PC. my problem is that every time i turn on my PC, (90% of the time) it will hang within booting the windows (between the first thing on the screen(BIOS/POST screen) until few seconds after i logged in to windows). what i normally do is to let it be for 5-or so minutes and then restart the system (i just call this "warming-up" time, LOL). restarting too early will not help either. after "warming-up" the PC will boot normally, though the windows repair screen will come out (i just have to live with that right now)

i've tried formatting windows, it doesn't help
is there a problem with the mobo? or is it my PSU is not enough for the system?
my PC spec is as stated below:

CPU : AMD Phenom X4 9550
Mobo : ASUS M2N32-SLI Deluxe Wireless Edition
RAM : 1x 2GB Kingston 2G-UDIMM DRR2
1x 2GB Corsair Value Select VS2GB667D2 DDR2
GPU : ASUS ENGTX460 DirectCU TOP 1GB DDR5
HDD : Drive #1 - WDC WD6400AACS-00G8B (596 GB)
Drive #2 - WDC WD10EARS-00Y5B1 (931 GB)
Optical : Lite-On DVD-RW
PSU : Cooler Master Extreme Power Plus 500W
OS : Windows 7 Ultimate

quite a mixed-up eh? i guess the rating for my PSU is 70+

More about : mobo prob psu

a b V Motherboard
December 24, 2011 7:29:29 PM

have you opened up the case to inspect the capacitors on the motherboard?
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a c 216 V Motherboard
December 24, 2011 8:24:22 PM

The Cooler Master eXtreme Power 500w is a horrible power supply unit.

It has poor DC Output Quality (i.e. high electrical noise and ripple). Unnecessary ripple can cause premature failure of sensitive components in a number of different PC subsystems (i.e. rapidly degrades the capacitors in the power VRM circuits of the motherboard and graphics cards).

For a system using a single GeForce GTX 460 graphics card NVIDIA specifies a minimum of a 450 Watt or greater power supply that has a combined +12 Volt continuous current rating of 24 Amps or greater and that has at least two 6-pin PCI Express supplementary power connectors.

Don't cheap out on the power supply because you'll pay the price in aggravation with a system that doesn't function properly.
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a c 156 V Motherboard
December 25, 2011 4:50:50 AM

I agree with ko888. PSU size is adequate, but try a better quality PSU.
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December 26, 2011 3:37:26 AM

thanks ko888 & jsc, most likely i will have to change my PSU. any recommendation? please make it light on my wallet =)
thanks also to hpdeskjet, but how do i check wether the capacitor is fine or not? can u give me link for pictures so i can use as my reference

thank you
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Best solution

a b V Motherboard
December 26, 2011 6:39:47 AM

 fficial&client=firefox-a&um=1&ie=UTF-8&hl=en&tbm=isch&source=og&sa=N&tab=wi&ei=bTD4TrD_M8iWiAK8qPTEDg&biw=1280&bih=630&sei=cTD4TsT6FqGniQLSq5CHDQ" rel="nofollow" target="_blank">https://www.google.com/search?q=bad+mobo+capacitors&oe=...

my last motherboard (Asus A8N-SLI Premium) gave me the same problems you are having. on some days, it would boot up normally. on other days, it wouldn't be able to read my hard drive and tell me there was a disk boot failure. sometimes the system would also get stuck at the black screen before the Windows 7 blue-ish Welcome screen. turns out the motherboard had bulging capacitors near the cpu/heatsink
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December 26, 2011 2:50:17 PM

hpdeskjet said:
 fficial&client=firefox-a&um=1&ie=UTF-8&hl=en&tbm=isch&source=og&sa=N&tab=wi&ei=bTD4TrD_M8iWiAK8qPTEDg&biw=1280&bih=630&sei=cTD4TsT6FqGniQLSq5CHDQ" rel="nofollow" target="_blank">https://www.google.com/search?q=bad+mobo+capacitors&oe=...

my last motherboard (Asus A8N-SLI Premium) gave me the same problems you are having. on some days, it would boot up normally. on other days, it wouldn't be able to read my hard drive and tell me there was a disk boot failure. sometimes the system would also get stuck at the black screen before the Windows 7 blue-ish Welcome screen. turns out the motherboard had bulging capacitors near the cpu/heatsink


i will check the capacitors on my mobo . by the way, what did you do with your last mobo? did u replace it with new one?
i,ve found something interesting while searching info on bad caps. it's about replacing bad caps the DIY way

is it advisable to DIY replace the bad caps? or better change to a new mobo?
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a c 216 V Motherboard
December 26, 2011 3:27:56 PM

h2_studio said:
i will check the capacitors on my mobo . by the way, what did you do with your last mobo? did u replace it with new one?
i,ve found something interesting while searching info on bad caps. it's about replacing bad caps the DIY way

is it advisable to DIY replace the bad caps? or better change to a new mobo?

How much experience do you have with a soldering iron? Electrolytic capacitors are polarized so they need to be installed correctly. If you install them incorrectly they can explode (i.e. it sounds like a gun shot).
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a b V Motherboard
December 26, 2011 8:15:34 PM

I have zero experience with a soldering iron so I just replaced my mobo and upgraded my system. the old one is still lying around in a box somewhere with my old cpu in it. if your mobo has gone bad, i would probably just replace it to avoid any problems that ko888 brought up when replacing the capacitors
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December 27, 2011 12:45:27 AM

i,ve found something interesting while searching info on bad caps.
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December 29, 2011 11:09:01 PM

i also have minimal experience in soldering. changing the mobo suited me best
by the way, any recommendation on the power supply? and how many watt should i get? (i dont plan to add anything else to my CPU)
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December 29, 2011 11:23:53 PM

logoers said:
i,ve found something interesting while searching info on bad caps.http://www.uklv.info/g.gif


pardon me, typo error. i'm not native english speaker
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December 29, 2011 11:35:08 PM

The ASUS GeForce GTX 460 video card requires a 450 Watt or greater power supply so i would suggest getting a 600-700w PSU and spending between £50-70 on :) 

If it was anything to do with hardware, your POST will give out a series of beeps to tell you which component isnt working.
With hardware (motherboard, CPU, GPU etc) It either works, or it doesnt :) 
I would say it's hardware, try booting with nothing plugged in, only keyboard and mouse, take other USB's out and take out any CD that may be plugged in :) 
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December 30, 2011 2:15:58 AM

i've tried to search online to find list of good quality PSU. brand names like Antec, Seasonic & Enermax comes out.
i cannot find these brands at my local shops (i'm from Malaysia).

can anyone recommend me a good PSU from these brand :
Acbel
Cooler Master
Corsair
Gigabyte
Silverstone
Xigmatek
Vantec
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December 30, 2011 4:46:32 AM

All brands are good from the list, its more about personal preference ;)  but if your new then corsair, their warranty is one of the best :) 
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a c 216 V Motherboard
December 30, 2011 4:32:45 PM

h2_studio said:
i've tried to search online to find list of good quality PSU. brand names like Antec, Seasonic & Enermax comes out.
i cannot find these brands at my local shops (i'm from Malaysia).

can anyone recommend me a good PSU from these brand :
Acbel
Cooler Master
Corsair
Gigabyte
Silverstone
Xigmatek
Vantec

The only reputable Tier 1 brand name in your list is Corsair.
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January 2, 2012 3:29:30 AM

Best answer selected by h2_studio.
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