Helping with Testing my PSU (for "computer randomly shutdown" problem)

[robinnbastar]

My computer have been shut off randomly for a few day now.
I'm now trying to find out what is the problem with it.
The main source of problem, which was mentioned in most thread i visited, was the psu.
So i decide to find a way to test my psu on my computer(since i dont have extra psu and dont want to waste money getting one if my current psu isn't broke).
This is the thread i came across.
http://www.tomshardware.com/forum/290251-28-testing-stability

so i decide to do what was told in the thread and the result is not very encouraging.
Here the result from CPUID HWMonitor:
Idle:
cpu vcore: 1.368v
+3.3v: 2.784v
+5v: 4.637v
+12v: 4.464v
-12v: -8.880v
-5v: -4.896v
+5v vcch: 2.782v

My pc:
Biostar A960D+
8gb
AMD Phenom II X4 965
AMD Radeon HD 6670 4gb
CORSAIR CX series CX500 500W

So should i replace my cpu?
Thank in advance.

 

[robinnbastar]

Bump.
Is bumping allow?
sorry if it is not.