Just built a computer but..

February 13, 2011 at 03:11:08
Specs: Windows XP
Just bought and built this computer
Recently every couple days I have some problems.

1) Sometimes when i turn the computer on, it would be a black screen and I have to let it sit for a while and it works again.
2) (New problem) My computer just randomly shut down.

Computer build

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February 13, 2011 at 05:58:52
I would suspect the power supply. When you buy a case with a power supply, for the most part, they're inferior psu's. Although your Radeon 5750 requires a 450 watt psu,it depends on how the 12 volt rail is set up. A single 12 volt rail is preferred over multiple rails. List the specs on the psu if you can.

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February 13, 2011 at 07:14:03
You should have asked your questions before you bought anything. We could have guided you to a better configuration.

I agree with grasshopper about the power supply. LOGISYS PSUs are absolute garbage & the one that came with that case is no exception. It only has 16A on the +12v rail. That's not nearly enough to run a modern system. The price of the case w/PSU should have tipped you off - $33? A decent PSU costs more than that! I hope you got the shipping for free because shipping currently cost $16.

I suggest you stop using your system until you get a decent PSU. If the one you have blows due to being overloaded, it could possibly fry the motherboard, CPU, RAM & video card in the process.


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February 13, 2011 at 13:23:50
~ Grasshopper: How do I list my psu specs (Im not very good with computers)

~ mckliq: Is there a cheaper PSU that can handle my computer ? Like the cheapest possible for running the computer without shut downs etc

edit/ Also how do i know if the PSU fits my computer?

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Related Solutions

February 13, 2011 at 13:45:01
Mickliq listed the specs for your psu already. If it's a standard size case, any atx psu will fit. If you go cheaper than $44.00, you'll end up right back where you are now. Sorry, that's the truth.

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February 13, 2011 at 14:41:07
So if i buy the PSU that mickliq posted
my computer wont have any more problems?

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February 13, 2011 at 15:29:06
There's never a guarantee, but I would say you have a real good chance. You don't have to buy a Corsair brand, but if you shop around, look for a psu that only has one 12 volt rail. You'll find it listed in the specs of the power supply. it will say 12 volt rails, one as opposed to two or three. I like Newegg.com for reliability and price.

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February 28, 2011 at 23:19:38
Okay I just bought the PSU that mickliq suggested.
Plugged it in and everything worked for a week.
Turned it off and went to shower, came back turned it on and it was black screen again.

But this time i just unplugged the ram / harddrive / monitor and waited a mere 5 - 8 minutes before it started to work again compared to the old one where i waited quite some time.

I occasionally check the heat around my computer and it doesnt seem to be very hot so i dont get why it does this

edit/ I also keep the computer right next to the wall and the vent side of the computer is about 2 - 4 inches away from the wall. Maybe this is the problem? but ive changed my setup to have it kinda in the open for ventilation. It still never gets hot so i dont know if its the ventilation

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March 2, 2011 at 17:11:38
Does anyone know whats going on?

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March 5, 2011 at 15:24:46
Okay it happened again today
This time my dad was cooking food and it fogged up all the windows and it was kinda like breathing hot air. My computer did the black screen when i tried to turn it on. I left it off and let it sit for about an hour and turned it on and it works

still cant figure out the problem

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March 12, 2011 at 01:20:12
Okay it happened again but this time i just left the computer off for like 1 - 2 minutes and turned it back on and it worked

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March 12, 2011 at 05:20:52
It's possible your CPU is overheating. You could try removing it and applying a new coating of thermal paste. From the symptoms, it sounds like overheating. We've ruled out the psu, and if you have adequate ventilation in the case, check the cpu next.


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March 27, 2011 at 12:35:06
Okay sorry for all this asking questions constantly but I think I have pinned down the problem.

It just shut down randomly today and I instantly changed the RAM from 1/2 to 3/4 slots and it turned on right away.

Now when I was building this computer, my dad who just washed his hands came over to see what i was doing and he had ONE DROP of water go into either my ram slot 1 or 2. I blew the drop away and it didnt seem to affect the computer when i started it up. Of course one week later all these problems occurred.

Do you guys think its because of the RAM slot that this is happening, if so, How would i fix this?
Im going to keep it in slot 3/4 and see if it shuts down still

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