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What's going wrong??? Problem with motherboard or PSU? Others?

Last response: in Motherboards
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December 23, 2011 11:17:45 PM

Hey guys,

I'm building an HTPC. I put everything together and there's something wrong. Nothing is showing up on the screen (tried onboard graphics and graphics card as well). I tried different several RAM sticks. Odd thing is when I turn the power button on the back of the PSU the entire system turns on. All the fans are running, CPU / graphics etc. - I even unplugged all the front panel connectors still same thing. Is there something wrong with the motherboard or PSU or something else? There is a green light on the motherboard so I don't think it's dead. Help me!
a c 328 V Motherboard
December 23, 2011 11:41:11 PM

Check all the connections to the lcd.
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a c 328 V Motherboard
December 23, 2011 11:41:43 PM

Also post your PC specs.
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December 23, 2011 11:51:30 PM

I checked the monitor it works fine with my other PC.

Specs:

Phenom II X4 830
Asus M4N68T-M Mobo
8GB Ripjaws RAM
AMD HD 5670
APEVIA PSU 500W that came with Case
APEVIA QBOII Case
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December 24, 2011 12:17:54 AM

I just tried another PSU that I know works and it still turns it on by itself. Bad board?
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December 24, 2011 12:25:43 AM

I currently only have 3 things plugged into the motherboard:

RAM
CPU
PSU

Graphics is integrated.

The PSU powers on automatically when I turn it on from the back. Everything else is unplugged from the mobo.
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a c 328 V Motherboard
December 24, 2011 12:28:29 AM

ragingazn628 said:
I just tried another PSU that I know works and it still turns it on by itself. Bad board?

Looks that way, unless u have a short somewhere.

Check the PSU wires for the damage.

BTW, do u have some critters like cats? My 2 cats would surely like to look inside.
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December 24, 2011 12:51:46 AM

Just replaced CPU. Still same. Auto turns on. Mobo dead?
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December 24, 2011 1:30:47 AM

Ok I took out the mobo and placed it on anti static plastic wrap and it's still turning on automatically. WTF?!
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a b V Motherboard
December 24, 2011 1:46:26 AM

ragingazn628 said:
Ok I took out the mobo and placed it on anti static plastic wrap and it's still turning on automatically. WTF?!


I would get a new mobo. I have a dell laptop with a bad mobo and it does the same thing your system is doing. Turns on automatically when I plug in the power adapter =/
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a c 328 V Motherboard
December 24, 2011 1:53:24 AM

ragingazn628 said:
Ok I took out the mobo and placed it on anti static plastic wrap and it's still turning on automatically. WTF?!

It is strange as it could be.

I would replace the mobo, before something will short out..
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a b V Motherboard
December 24, 2011 2:03:20 AM

I would suggest replacing the PSU as well. I can't seem to find a 80+ rating for that PSU
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a c 328 V Motherboard
December 24, 2011 2:19:36 AM

hpdeskjet said:
I would suggest replacing the PSU as well. I can't seem to find a 80+ rating for that PSU

He have tried another PSU, so there is a small chance that 2 PSU's would gone berserk.
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a b V Motherboard
December 24, 2011 3:35:48 AM

Yeah you're probably right. Just suggested it in the event that the case PSU messed up the mobo or something
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December 24, 2011 11:02:45 AM

i do need some opinion as well. i'm also have a little problem with my system regarding turning on the PC, although not as severe as the first post. 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'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+
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a c 328 V Motherboard
December 24, 2011 11:04:30 AM

Hi h2_studio,

Can u make a new thread, more people will see it, so more help u gonna get.

And this thread will become confused with messages for u and ragingazn628.

Just copy and paste it.
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December 24, 2011 2:30:35 PM

ok, no prob. thaks for the advice
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