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Computer overheated, wont start up


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llmercll's Avatar
llmercll llmercll is offline
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13-Apr-2009, 11:15 PM #1
Computer overheated, wont start up
I've got an asus a7n8x deluxe with an 8600gtm vid card and a core2duo processor.

anyway like a fool i left it on my bed with a game idling, when i came back to it, it was hot as hell, but still on and functioning properly.

i immediately checked my temps and it read 95C, which is 5C away from the critical temp (which it has been before, and shuts down), but things were still up and running, albeit a little slow...

i immediately turned it off the cool it down, and when i went to turn it on a few minutes alter...nothing. it makes the noises it usually does, the lights flash, cd rom makes its usual noise, ran runs, but nothing psots on the screen, and i dont hear the windows startup theme.

I took apart msot of the things i could to check them out, no burn marks, nothing smelled burnt, no smoke, everything seems fine! even the processor looked fine, but the mother wont start up. anyne know whats going on? I dont get why it was still runing fine when i got to it, but wont boot up now...
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14-Apr-2009, 03:44 AM #2
Quote:
Originally Posted by llmercll View Post
it makes the noises it usually does
What noises? Usually if a computer doesn't post it won't make any beep or buzzer sounds.
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14-Apr-2009, 10:05 AM #3
i turned off the noise my laptop made when it starts up, some really distorted loud flame noise, so usually startup is pretty silent, aside from the cdrom drive making some noise and the fan starting up, which still do.

all the led's and lights work, the fan is even responsive to he processor getting hot, but the computer still wont show anything.

i was hoping it just needed some time, but it still isnt working this morning, sound like somethings fried?
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14-Apr-2009, 10:21 AM #4
If it doesn't beep or make any system sounds, and displays nothing on the screen, then it's not POSTing, and your motherboard is most likely fried.
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14-Apr-2009, 10:37 AM #5
it couldn't be the processor or VGA? any idea how i can tell which is fried?

if all three are gone there's no point to repairing it
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14-Apr-2009, 04:44 PM #6
When it doesn't post it's the motherboard. Usually it costs more to repair a laptop's board than just buying a new laptop. If the warranty has expired I would take it to a repair store or call the ASUS technical team and ask if it can be repaired.
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14-Apr-2009, 04:57 PM #7
really? TBH thats good news to hear, Ive had my laptop open before, took it apart, i know how its built and how it works inside and out.

If you're sure it's the mobo i can buy a replacemet for $300 and change it myself, but I wasnt sure if it was the mobo or cpu/vid card, or all three.

wouldnt it not post without a functioning cpu or graphic chip though?
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14-Apr-2009, 05:15 PM #8
If the processor or the graphics chip was not working it would post and beep out an error code. For example, 4 beeps would tell you you have a graphics card error.
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14-Apr-2009, 05:45 PM #9
thanks for the help mate, while its probably the mobo, it could be any combination of mobo + other stuff broken though right?
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15-Apr-2009, 12:25 AM #10
yup. or it could be the BIOS.
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