Black Screen! HELP!

[4ever4low]

Hy guys! I'm new here.

I have a problem with my pc.

When I play games 15-20 min, or when I stress up my pc, over 50%, or sometimes in idle, the pc blocks and the screen goes black,my monitor led goes on stand-bye, everything block, even the caps lock, num lock buttons block, only when I reboot the pc, black screen disappear, and it's boot up normal, i have tried a lot's of thing's to solve the problem but no one worked,
I've tried to update the drivers, I have tried old drivers, update the bios,
I've test my CPU in Prime95 and no errors, Tested my memory with Memtest and no errors.
Sometimes when i test my GPU with ATI tool to scan for artifacts i get errors, yellow lines. but sometimes, not every day.
I've tested my gpu with " MemtestCL " i get errors.
I think my power supply it's the problem, I'm not sure.
The 12v line in GPU-Z it's 11.69 It's normal?

My pc spec:

CPU: AMD Phenom II X4 965 Black Edition 3.40GHz skt AM3
MB: MSI 870-c45 (Bios 1.F0 )
VIDEO: Sapphire Radeon HD6870 Vapor-X 1GB DDR5 256-bit
PSU: Spire Jewel Black 550W - SP-ATX-550WTB-PFC-1
RAM: Kingston ValueRAM 4GB DDR3 1333MHz CL9
HDD: Samsung 500GB SATA-II 7200 rpm 16MB SpinPoint F3
and
Samsung 160GB SATA-II 5400 rpm 8MB SpinPoint M80 [ FROM MY LAPTOP, USE FOR STORAGE]
OS: Windows 7 Ultimate X64

Temperatures:
Idle: CPU: 30 degrees
GPU:38 degrees
Full Load: CPU 58-60 degrees
GPU: 74 degrees


Sorry for my bad english, I'm from Romania

Please Help Me!
TnX!

 

[micropage7]

how hot your vga card? it could overheat
if it hang you have 3 option it may from os, your driver or from the hardware

 

[4ever4low]

that's my temperature from my GPU
Idle:GPU:38 degrees
Full Load:GPU: 74 degrees

I change the OS, 3 times, the drivers same thing, I have use 11.1 catalyst version and same problem.
What to do?

 

[streetfighter 2]

I never knew Spire made PSUs and the SP-ATX-550WTB-PFC-1 isn't UL rated so I'm wagering that it's crap. 11.69V is within the ATX spec (±5%, 11.4-12.6V) but I'd rather be a little bit high than a little bit low.

Here's what's left to do to narrow down the problem:
1) Try your HD 6870 in another computer
2) Try using another power supply.
3) Try using another graphics card.

 

[commission3r]

also try ur ram, b sure the voltage is set correctly - im guessing 1.65, by default theyr set to 1.50 - u do know ur way around the bios?
if you've populated all 4 slots try the ram 1 @ a time on each slot
its time consuming but @ least ull no where the weakness is
also try upping the cpu volt to 1.38 from default of 1.36 and update to latest catalyst drivers

instinkt is saying gpu issues, ive had sum sapphire gpus b4 and they had issues similar to what ur describing, have not purchased that brand since

 

[Anusha]

video card memory gone bad? when i was overclocking the video memory, same thing happened with my 5870. if you are not overclocking (as in, the problem is not due to overclocking), time to RMA the card i believe.

 

[4ever4low]

Ok guys,
I will look into my bios to verify the voltages on my ram and cpu, I will post them here after.
And I will try with another GPU and then see what is happening.

hope it's not a major problem.

 

[TC-man]

I never knew Spire made PSUs and the SP-ATX-550WTB-PFC-1 isn't UL rated so I'm wagering that it's crap. 11.69V is within the ATX spec (±5%, 11.4-12.6V) but I'd rather be a little bit high than a little bit low.

Here's what's left to do to narrow down the problem:
1) Try your HD 6870 in another computer
2) Try using another power supply.
3) Try using another graphics card.

Agreed, I thought this Spire is a Seventeam OEM with 30 Ampere on the combined 12V rail which is not quite enough, I think. In the Past Spire made use of Topower OEMs, and those were hotboxes! Not to mention Spire is "faking" the 80+ bronze certification.

Spire Jewel Black 650 W and 750 W: Spire added the phrase, “80 PLUS Bronze compliant”, on their website, a very smooth way to deceive users, since the manufacturer is not saying that the power supply “has” certification but that the power supply is “compliant”. The joke is that we tested this 650 W power supply and it could only deliver up to 550 W. Spire removed the offending phrase after they read this article. These power supplies are rebranded Seventeam ST-550P-AF and ST-650P-AF units, respectively, so they carry a fake wattage.

source: http://www.hardwaresecrets.com/article/Power-Supplies-With-Fake-80-Plus-Badges/1054/1

So try out with a more powerful PSU.

 

[4ever4low]

O_O
Tc-Man Thanks for the info.
So my PSU Spire Jewel Black 550W - SP-ATX-550WTB-PFC-1 is not 550W, it's about 450 or 400..under the power consumption of my pc. Right?

 

[4ever4low]

Hy Guys, I looked into my Event viewer after the black screen, and got this

- System

- Provider

[ Name] Microsoft-Windows-Kernel-Power
[ Guid] {331C3B3A-2005-44C2-AC5E-77220C37D6B4}

EventID 41

Version 2

Level 1

Task 63

Opcode 0

Keywords 0x8000000000000002

- TimeCreated

[ SystemTime] 2011-05-27T09:52:47.722812600Z

EventRecordID 39784

Correlation

- Execution

[ ProcessID] 4
[ ThreadID] 8

Channel System

Computer ZooM-L3sS-PC

- Security

[ UserID] S-1-5-18


- EventData

BugcheckCode 0
BugcheckParameter1 0x0
BugcheckParameter2 0x0
BugcheckParameter3 0x0
BugcheckParameter4 0x0
SleepInProgress false
PowerButtonTimestamp 0

what is this?

 

[4ever4low]

No one to help me understand that error cod.?

 

[freebie]

definitely a psu issue i reckon, after that event log.

 

[TC-man]

Yep, it's very likely that the PSU is causing this. Try using an other PSU before the current one damages the PC and/or data on your harddrives.