Intel Q6600 overclock question

Hello and sorry for the late reply.I have run a 6.5 hour prime95 test on my pc and everything is fine.... no freezing so I was happy:)....but however today I have played BF3 and then suddenly my pc have turned off during gaming...:mad:....I dont get this...
 
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Are you using a PC Power & Cooling PSU or some sort of generic brand thing? It was hard to tell from your answer to my question "what PSU do you have?", but usually a dodgy power supply can cause your system to randomly shut down.
 
I've used that same power PSU before, it's kinda crappy and not great. :/ Even if the cause of the problem is not the PSU, I'd still go ahead and get a better PSU anyway. Corsair CX 600 or TX 650 would probably be ideal for you. Anything from Corsair, XFX, Seasonic, PC P&C, OCZ or Antec will be fine.
 
Yeah.Is funny that when my pc is running on stock 2.4Ghz is not shutting down during gaming only when is overclocked.But it passes on all stress tests.Now I think as well that my PSU is sh*t.Not producing enough output or is overheating during overclocking + my GPU is running around 90% load during BF3 on ultra settings so I try to get a nother one.Probably Corsair but I go for a 750W.More power is better than less.Maybe I`m going to get a nother card on SLI and I will need it..
 
What are your full system specs? 750W seems quite like a lot of power, you may not need of all of that. Which two cards are you looking to SLI?

Once stuff is overclocked your system usually draws more power, so if your PSU isn't up to scratch you may start to get issues like what you have been experiencing.
 
My system specs are the following:
MSI P7N SLI Platinum - mobo
Intel Core 2 Quad Q6600 G0 2.4Ghz overclocked to 3 Ghz
Zalman CNPS9500 LED CPU cooler
4GB Corsair Dominator DDR2 1066 Mhz
MSI 8800 Ultra 768MB DDR3 384-bit graphics card with Zalman VF-1000 GPU Cooler
WD 7200 rpm 250GB HDD
LG Lightscribe DVD writer
500GB EXTERNAL HDD
---------------------------
..I`m thinking about maybe getting 2x MSI 295 GTX on SLI...i know is not the newest card but is very good...
 
You don't need a 750W PSU to power a single 8800 Ultra. A quality 600 or 650W would be enough. To power two 8800 Ultras in SLI you'd probably be needing closer to a 750W unit yes.

The GTX 295 isn't a bad card considering its age. They did run pretty hot though, and of course it's a dual-GPU card.
 
josephe said:
So if my PSU is too powerful is it causing random shutdowns?Or because is bad quality?
Click to expand...

If the PSU is the cause, it'd be because it's pretty low quality.

It will only output 750 watts of power into your system if your system needs it, but because it's a pretty poor PSU it's likely not really even a 750W PSU anyway, it's probably more like a 650-700W unit.
 
Hopefully. Even if it doesn't solve this problem, it will solve a few you could potentially have down the line.
 
There is no way in hell that PSU can provide sufficient STABLE power for overclocking a Q6600 and 8800Ultra. Just not going to do it. You need a new PSU.

A TX650 would do nicely.
 
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