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HELP - Computer start up - screen black??

jsabo

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#1
I have seen plenty of stuff on the internet about this but want to get opinions on here. I turn my computer on with the monitor on but the screen remains black. the power indicator on my monitor is on but flashing like it is waiting for a signal. when i turn on my computer, the fans on the inside rev up as normal but then quickly die down to what seems like below-normal operating levels. a few weeks ago, my computer would occasionally freeze up with a distorted version of whatever was on the screen.

is it a failing psu? failing gfx card? ram? thanks.
 
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#2
Post your system specs to help us help you.
Also can you get on the system at all to see the system logs?
 

lyndonguitar

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#3
any beeps?
 

jsabo

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#4
no beeps or anything like that. i am unable to do anything.

CPU: amd phenom II x4 965 BE
RAM: Corsair dominator 4 gig
MOBO: biostar 890fxe
GPU: xfx radeon 5850
PSU: thermaltake 850w black widow (i heard some bad things about this after my purchase)
 
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#5
You have to isolate the issue. If you have a multimeter, you can check the PSU eaily.

Make sure cpu is set properly. If the motherboard does not have a micro speaker, pick one up and check the beep codes.
 
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#6
My guess is the ram on the GPU or at least the GPU is the culprit here. Do you have an extra video card to test?
 
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#7
How many ram sticks ? Take them out and put them back. If more than 1 try 1 at time.
 

jsabo

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#8
My guess is the ram on the GPU or at least the GPU is the culprit here. Do you have an extra video card to test?
i do not. i was considering upgrading but would rather not think about it until the issue is isolated. pretty much a noob here, a lot of suggestions you may come up with might be beyond me...
 

jsabo

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#9
How many ram sticks ? Take them out and put them back. If more than 1 try 1 at time.
i have two sticks. ill try that. anyone concur?
 
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#10
Wait a second. Do you have a IGP?
 
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#11
Wait a second. Do you have a IGP?
I looked at his mobo specs and he does not.:mad:
Well after testing your ram and find it to be okay or not I would pull the graphic card and take it to a local shop to test.
 
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#12
I think it's the PSU. Can you borrow a PSU from a friend? You can verify whether the PSU is the culprit of the issues you are experiencing now by testing your PC with an other PSU. I believe the Thermaltake Black Widow makes use of a pretty poor HEC OEM, which seems to be pretty bad, i.e. noises/ripples that are going haywire and that's bad for your PC hardware, and actually can damage PC hardware. Just hoping that the damage isn't already done because of such PSU.
 
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#13
I think it's the PSU. Can you borrow a PSU from a friend? You can verify whether the PSU is the culprit of the issues you are experiencing now by testing your PC with an other PSU. I believe the Thermaltake Black Widow makes use of a pretty poor HEC OEM, which seems to be pretty bad, i.e. noises/ripples that are going haywire and that's bad for your PC hardware, and actually can damage PC hardware. Just hoping that the damage isn't already done because of such PSU.
A cheap multimeter will determine the problem. It is not like everyone has a spare PSU laying around plus the fact he won't have to rip everything apart.