Computer randomly turns off

[WALK2222]

Hi guys,
I have been having this problem were my computer just turns off. 
I have upgraded my graphics card and CPU, and ever since then this has been happening.  I am not sure whether it is a heat issue, power supply issue, or something else.  Could someone help me troubleshoot possible problems that may be causing this?

Also, it pretty much shuts down when running graphical games (blockland, minecraft, etc). 
Thanks!

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[Mr.jacksaunt]

It's a PSU issue, I'm having this problem but to a lesser extent.

[Wheatley]

Did you try turning it off and on again?
Maybe give us your specs? It would help identify the problem.

[Tokerovin]

Did you use good thermal paste when you installed your new CPU?

[Orion]

download more RAM

[WALK2222]

Did you use good thermal paste when you installed your new CPU?

I had not applied any, as it was already pre-applied to both components (fan and CPU)

Did you try turning it off and on again?
Maybe give us your specs? It would help identify the problem.

Sure, give me a minute

It's a PSU issue, I'm having this problem but to a lesser extent.

Could you explain this a little more?  thanks

[¥ola]

It's a PSU issue, I'm having this problem but to a lesser extent.

If this was the problem, it would restart and shut off on an infinite loop upon turning it on.

It may be drivers failing, or many, many other things.  Can you give a detailed spec list?

[Port]

download more RAM

yeah do this

[WALK2222]

If this was the problem, it would restart and shut off on an infinite loop upon turning it on.

It may be drivers failing, or many, many other things.  Can you give a detailed spec list?

I can, I have PC Wizard 2012, what would you like to know?  Power supply, RAM, CPU, Graphics card?

[WALK2222]

Summary

Mainboard :   Acer Veriton X2110

Chipset :   nVidia GeForce 6100V
Processor :   AMD Phenom II X4 965e @ 3400 MHz
Physical Memory :   3072  MBDDR3-SDRAM
Video Card :   AMD Radeon HD 6670
Hard Disk :   Seagate ST332041 3AS SCSI Disk Device (320GB)
Hard Disk :   Western Digital WD80 0BEVT-75ZCT1 (80GB)
CD-Rom Drive :   DTSOFT Virtual CdRom Device
DVD-Rom Drive :   ATAPI DVD A  DH16ABSH
CD-Rom Drive :   DTSOFT Virtual CdRom Device
Monitor Type :   Acer Acer V223W - 22 inches
Network Card :   Microsoft Virtual WiFi Miniport Adapter
Network Card :   Wireless N-lite USB Adapter
Network Card :   NVIDIA nForce 10/100/1000 Mbps Ethernet
Network Card :   Hamachi Network Interface
Operating System :   Windows 7 Professional Professional Media Center 6.01.7601 Service Pack 1 (64-bit)
DirectX :   Version 11.00
Windows Performance Index :   3.2 on 7.9

Processor

Processor :   AMD Phenom II X4 965e
Frequency :   3400 MHz   -   (current : 2210.04 MHz)
Number of Core :   4
Support :   Socket AM3 (938)
Cache L1 :   4 x 128  KB
Cache L2 :   4 x 512  KB
Cache L3 :   6144  KB
Voltage VID :   1.225 V
FPU Coprocessor :   Present
Core 1 Activity :   0%
Core 2 Activity :   0%
Core 3 Activity :   0%
Core 4 Activity :   0%

Video

Current Display :   1680x1050 pixels at 60 Hz in True Colors (32-bit)
Touch Support :   No
Number of monitor :   1
Brightness Adjustment :   Yes
Monitor Type :   Acer Acer V223W
Video Card :   AMD Radeon HD 6670
OpenCL :   Yes
OpenGL :   Yes
GDI Plus :   Yes
Direct2D :   Yes

Voltage, temp, fans, (not running much, browser and 1 program)

Hardware Monitoring :   ACPI
THRM :   45 °C
THRS :   34 °C
 :   
Processor Voltage :   
Voltage :   1.225 V
 :   
Processor AMD Phenom II X4 :   Sensor DTS
Core 1 :   42.8 °C
Core 2 :   43.1 °C
Core 3 :   43.5 °C
Core 4 :   44 °C
Energy Power :   16.80 W
 :   
AMD Radeon HD 6670 :   ATI Catalyst Driver
Temperature :   44 °C
Fan :   39.0%
 :   
Hard Disk Monitoring :   S.M.A.R.T
Hard Disk WDC WD80 0BEVT-75ZCT1 :   34 °C

[Port]

yeah you definitely need to download more RAM
not nearly enough to survive any sort of spider invasion

[¥ola]

For some reason with the Phenom the catalyst drivers crash quite often, I'm not entirely sure of the reason.

Make sure you have the most updated drivers for your Radeon, and if so, there isn't much to be done until they provide a driverset that will be a bit more compatible with the Phenom 965

[Tokerovin]

Hm.. Pre-applied thermal paste? I guess that should be okay, but I don't know for sure. I usually do it myself.

Assuming this is caused by something serious which it may or may not be, how much could you spend to repair it?

[Port]

Hm.. Pre-applied thermal paste? I guess that should be okay, but I don't know for sure. I usually do it myself.

Assuming this is caused by something serious which it may or may not be, how much could you spend to repair it?

wait what you weren't joking about "thermal paste"?

wtf

[-Maxx-]

Can you give us the ram amount you have?