Question about ASUS A8S-X Motherboard

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Pc was left on overnite , in the morning was just black screen and would not turn off with the restbutton .So i unpluged pc power , now when i turn it the light in on in the onboard led on the asus a7s8x-mx and the pc will not start up when i press the start button .

I have removed the on board battery for 24 hrs then  tried again same senario .

i have removed all connetions to drives and removed all cards so it is only the mb connected with 1 stk ram and the amd sepron cpu( 8 months old )

the onboard led comes , it will not start from the start button .Also ther are no beeps at all .

Is there any one that can help please thank youcliee

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So if i'm getting this correctly your computer will not boot even with just the basics.  Have you tried directly shorting the pins on the mobo instead of using the power button?  Unlikely problem but it would be an easy fix.  You might also want to take your power supply out and get it tested.  The geek squad at best buy will usually do that for free, or you can buy your own tester, or buy a cheap power supply.  If both the switch and power supply are good and you get nothing trying to start it up it means you probably have a bad mobo.  If your memory or cpu was bad and nothing else it would still boot up just without anything on the screen and might give you a series of beeps.  Well I hope i've helped and that you can get this fixed soon. 

Posted on Oct 16, 2007

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Jun 29, 2009 | ASUS A7S8X-MX Motherboard

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Before you started disconnecting everything, did you notice whether the CPU fan was running or not? If it failed for any reason, the CPU is fried; none of them will tolerate the lack of cooling for very long. Also, bad memory can freeze a system for sure; if you have friend using compatible memory, beg him to let you swap yours into his board and vice versa. I've found failed memory more times than I can count and finally learned to substitute early and save a lot of time troubleshooting stuff that wasn't broken.
It pays to own a cheap multimeter so you can check the individual voltages from the main supply since they can very surely fail piecemeal and any outputs used must be there otherwise the train won't leave the station. Most supplies will have the available outputs lised on them. Don't know in which country you reside but in the US, you can buy a usable digital meter for <$20 US any time and if near a Harbor Freight, they often have them for 3 lousy bucks.

BTW, the CMOS backup battery is way too young to have failed; three years is pretty much a minimum and I have replaced 8 year old batteries that finally couldn't hack it any longer.
I hope you know to take precautions before touching anything inside to discharge any static charge you might have from carpets or clothing. Touching any part of the bare metal chassis after gaining access is adequate.     

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Hi Keith, If you are using Windows XP: Right click on "My Computer"; Click on Properties; Click on Hardware Tab; Verify that there is no Red or Yellow marked entry; If there are, then drivers are not installed or there is a problem; The drivers for the Asus A7S8X-MX are available at the Download pages of the Asus site. In "Input Model to Search", type "A7S8X-MX", in Select Category, choose "Drivers", click on "Search Info". On the new page click on link"A7S8X-MX", click on the "All" tab. Listed are all the downloadable drivers. Hope this be of some help to you. Post back how things turned up or should you need additional information. Good luck and kind regards.

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