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My PC wont boot unless I tilt it sideways

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January 31, 2014 3:38:19 AM

I am having this problem most of the time from a long time. When I turn on my PC it turns on for a while maybe around 5-6 secs then it turns off automatically and it keeps on repeating untill I dont switch of the main power. During the repeatation cycle when I tilt my computer sideways or all the way horizontally then only it will turn on as normal. I am really fed up with this problem and a solution would be greatly appreciated.
a c 182 à CPUs
January 31, 2014 3:54:35 AM

Is this a desktop or laptop?
Verify ALL the cables are fully connected.
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January 31, 2014 4:35:31 AM

USAFRet said:
Is this a desktop or laptop?
Verify ALL the cables are fully connected.

Its a desktop. I have checked all the wires and they are all ok.
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a b à CPUs
January 31, 2014 5:16:15 AM

Is it a tower-type case (i.e. designed to sit vertically), or is it one of those "business" desktop cases (i.e you can either stand it vertically, or lay it on its side & put the monitor on top to save space)?

Either way, one or more of the PSU cables inside isn't seated fully in its socket, otherwise you could hold it upside down in the air & it would still turn on just fine.
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a c 182 à CPUs
January 31, 2014 5:20:19 AM

Gurung 318 said:
USAFRet said:
Is this a desktop or laptop?
Verify ALL the cables are fully connected.

Its a desktop. I have checked all the wires and they are all ok.


If physically tilting the case allows it to boot, that still points to a slightly loose connection.
Something is not seated right.
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January 31, 2014 5:50:31 AM

spdragoo said:
Is it a tower-type case (i.e. designed to sit vertically), or is it one of those "business" desktop cases (i.e you can either stand it vertically, or lay it on its side & put the monitor on top to save space)?

Either way, one or more of the PSU cables inside isn't seated fully in its socket, otherwise you could hold it upside down in the air & it would still turn on just fine.

Yes its a vertical casing. Can we place a vertical casing horizontally? Wont it effect on any part of my components?

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a b à CPUs
January 31, 2014 6:52:48 AM

Yes you can do that as long as the back of the case is laying flat on the floor. But i also reckon something is loose and when you're tilting it it's falling into place. Go through everyone component and make sure they're fully in and make sure all power connectors aren't damaged or tilted out.

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January 31, 2014 7:27:32 AM

Check the heatsink on the CPU. I've seen it quite a few times where something's loose there, especially if it's a stock cooler.
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February 1, 2014 6:49:49 AM

Btw the HDD I am using curently is not an internal HDD. It was an external HDD with its own seperate power connector beside its USB connector and one day my friend lost its power adapter and I was left nothing to do with it and one day out of boredom I opened the case of the HDD and found that its inside was a HDD very similiar to internal HDD with power and data connector and since its GB was higer than my then internal HDD I replaced it with the latter one. Now do you think this could be the root of the problem or the wear and tear of my 5 years old motherboard?
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a c 182 à CPUs
February 1, 2014 6:58:24 AM

Almost all 'external USB drives' are the exact same drives, just in an external case. That is not the cause.

I still suspect some connection is slightly loose.
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February 1, 2014 7:05:18 AM

Ok then I will thoroughly unplug and plug all the wires carefully for one last time and if problem still exist then thats it will get a new mobo.
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