Potential PC power issues?

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Rhys_C

Commendable
Jun 26, 2016
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Hi guys

6 weeks ago I split water into my case (PC powered off) this caused my CPU to run hot (95C+) and drastically reduce my performance making the PC unusable.

The PC is now running at peak speed again without any performance issues.

However... I think my PSU might be fried, or on its way out?
When I turn my PC on almost every time it wont boot first time. It powers up for a few seconds then powers down and reboots itself countless times until it sometimes works.
The fix I have been using to get the Pc to boot first time is to turn off the power switch on the back of my computer for a few seconds until my motherboard lights go off, then when I power the PC back on again it boots without any issues first time every time .

TL;DR
90% of the time my PC boots, fails then reboots.
When I Flip the power switch on the back of my PC off for a few seconds the power on the PC again this resolves the issue and my PC powers on first time.

Any ideas???
Thanks in advance!
 
Solution
Shaun o
Well the suggestion would be that if you have another power supply you can use.
And if it has roughly the same wattage rating, or output in power.

Is to connect it to the system that had water spilt on it.

If your system powers up first time, and also with repeated tests of powering it up from an off state.
It will tell you that the other power supply has suffered damage, and cannot provide the correct amounts of power required to run the system you have.

If the system still exhibits the same symptoms, with the new power supply connected to the system.
Then it tells you the problem is to do with the motherboard being damaged.

Or that there may still be water left over from the water spill you had six weeks ago.

What I would do...
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Shaun o

Shaun o

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Oct 7, 2007
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Well the suggestion would be that if you have another power supply you can use.
And if it has roughly the same wattage rating, or output in power.

Is to connect it to the system that had water spilt on it.

If your system powers up first time, and also with repeated tests of powering it up from an off state.
It will tell you that the other power supply has suffered damage, and cannot provide the correct amounts of power required to run the system you have.

If the system still exhibits the same symptoms, with the new power supply connected to the system.
Then it tells you the problem is to do with the motherboard being damaged.

Or that there may still be water left over from the water spill you had six weeks ago.

What I would do then, is to remove the board from the system case, and inspect it for any water that may still be trapped on or under components on the motherboard.

Possibly to the point of using a magnify glass to verify there is no water or moisture still left on the motherboard.
Then you do one or two things.

Leave the motherboard in a warm air environment such as an airing cupboard, or use a hair dryer on the motherboard.
Set to blow hot air, and work it around all of the motherboard till it is warmed up helping to evaporate any water moisture that may be trapped under electronic components such as the bios chip, or the main control chip sets the board uses.

It wont be a quick fix, and will take a few hours from removing the board from the system case.
To drying it out if any moisture is found.

But the chances are it may fix the problems you are having.

But do the test first of trying a new power supply unit in the system as I said first of all Rhys.
 
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Solution
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Rhys_C

Commendable
Jun 26, 2016
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Hi Shaun
Thanks for the fast response.

Sorry I forgot to mention the PSU I am currently using is a Corsair CP-9020015 750W (about 8 months old)
Currently I don't have a spare PSU to test and ideally I don't want to have to buy a new one to test my old one.
I will try and ask a friend to borrow one.

When I originally spilt the water I left my computer open powered off for about 8 days with all the components out and silica gel pouches placed around and I was periodically using the hair dryer / fans. Do you still think water is a possibility?

The thing that still really confuses me is that the PC boots first time when I kill the power using the back switch.
Do you think there is a possibility of some sort of shortage or electrical damage? This may explain my PC powering itself off as its trying to protect itself from electrical damage?

Thank you for helping me!
 
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