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Is my PSU dying?

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July 4, 2011 11:08:23 AM

So lately I got a new CPU (Phenom x4 955) and an Asus 6850 video card and for a while I thought that one of those was failing because I would get a blue screen a couple of minutes into a gaming session. But then I read a small artlicle on PSU failure and I think that it might be the PSU

Here is the link:
http://www.squidoo.com/power-supply-failure-symptoms

Now according to this article signs for PSU failing include:

*Nothing happens when the computer power button is pressed. Sometimes a light may flash or flash continuously in the front of the computer or on the back of the power supply.

* Computer turns on for a while, but when games or other applications are using the computer steadily, it will turn off or I get a blue screen.


This are 2 things that happen to my computer a lot lately specially the blue screen thing while gaming. Also they mention how lightning can be causing this and I am on rainy season here in Florida and every time there is lightning the computer shuts down and then "Nothing happens when the computer power button is pressed". So I'm 90% convince that is the PSU but to enforce my thinking I would like you guys to give your opinion. I know some of you know more about computers than I do.


Thanks

More about : psu dying

July 4, 2011 11:20:10 AM

First off what is the PSU type / brand that you are having.
The problem you are describing can be alot more then just your PSU...
Ffor example:
-Heat issues
-Driver issues
-Wrong bios settings
-Memory issues

Apart from PSU type / brand also state the rest of your system (if possible) in detail.
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July 4, 2011 11:39:39 AM

Asus M4A78T-E AM3 AMD 790GX HDMI ATX AMD Motherboard

OCZ ModXStream Pro 700W Modular High Performance Power Supply

G.SKILL 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333

Western Digital Caviar Green WD6400AACS 640GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive

AMD Phenom II X4 955 Black Edition Deneb 3.2GHz

ASUS EAH6850 DC/2DIS/1GD5/V2 Radeon HD 6850 1GB 256-bit GDDR5

ZALMAN 9500A-LED 92mm 2 Ball CPU Cooler
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July 4, 2011 11:49:44 AM

ok, last three things...
Can you tell us the following:
-what is the error returned by the BSOD?
-what are the temp idle / load of the CPU /GPU?
Did you do a stress test on the system to see how the system reacts under full load (non-gaming).
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July 4, 2011 12:16:04 PM

Where do I find the error returned by the BSOD?

The temp for the CPU are around 38 or so on idle and high to low 50s while gaming for a while.

The GPU temps are like 40s in idle and 60s while gaming

How do I do a stress test?
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July 4, 2011 12:18:57 PM

Well my computer just had the problem and when coming back on it is showing a black screen and it says at the end of it "A Hyper transport sync flood error occurred on last boot. F1 to resume."
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July 4, 2011 12:47:43 PM

The error returned by the BSOD is the error message in the blue screen itselfe.
It can be that this is only showed for one second due to settings you can change that in the system properties under startup and recovery setting, here set automatically restart to off.
Furthermore with your last problem description i found something on the amd forums:
http://forums.amd.com/forum/messageview.cfm?catid=22&th...

This should direct to a voltage problem, can you double check the set voltages in your bios and see if they are not set too low / high ?
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July 4, 2011 1:24:14 PM

Well from what I found in the bios this is how it goes:

CPU Voltage Min 0.8000V Max By CPU Interval 0.0125V

CPU/NB Voltage Same as above

CPU VDDA Voltage Min 2.50V Max 2.80V Interval 0.10V Standard = 2.50v

DRAM Voltage Min 1.50V Max 2.50V Interval 0.02V Standard 1.50V

HT Voltage Min 1.20V Max 1.50V Interval 0.02V Standard 1.20V

NB Voltage Min 1.30V Max 1.60V Interval 0.02 Standard 1.30V

NB 1.8V Voltage Min 1.80V Max 2.00V interval 0.2V Standard 1.8V

SB Voltage Min 1.20V Max 1.35V Interval 0.15V Standard 1.20V

Well ths is what I found relating to voltages in the BIOS
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