
27 Feb 2011  #1 

CPU problem
Hello all, I'm new to the forums, I've been having problems lately with my Intel Core 2 Duo E7400 2.53 GHZ OC'ed to 3 GHZ with a cooler master TX3 heatsink. When i'm in game (Bad Company 2) My CPU usage goes to 99%  100%. Sometimes I get lag, and sometimes I don't. At idle my CPU goes from ~1%  100%. I checked if I had thermal compound between my CPU and heatsink, it had plenty. Do you think my CPU is shot? I've been thinking on upgrading to a Core 2 Quad 9400 anyways.

My System Specs 
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27 Feb 2011  #2 

Hi SSgTMartin, and welcome to Windows Seven Forums!
My advice would be to run Prime95 for a few hours (Google it) and if you get any errors, then your overclock might be bust  try stepping the OC back a notch if this is the case. Hope that helps. 
My System Specs 
28 Feb 2011  #3 

[Feb 28 12:23] Test 52, 270000 LucasLehmer iterations of M420217 using FFT length 24K.
[Feb 28 12:24] Test 53, 270000 LucasLehmer iterations of M409601 using FFT length 24K. [Feb 28 12:26] Test 54, 270000 LucasLehmer iterations of M401407 using FFT length 24K. [Feb 28 12:28] Test 55, 270000 LucasLehmer iterations of M393217 using FFT length 24K. [Feb 28 12:30] Test 56, 270000 LucasLehmer iterations of M392119 using FFT length 24K. [Feb 28 12:31] Test 57, 270000 LucasLehmer iterations of M389119 using FFT length 24K. [Feb 28 12:33] Test 58, 270000 LucasLehmer iterations of M376833 using FFT length 24K. [Feb 28 12:35] Test 59, 270000 LucasLehmer iterations of M372735 using FFT length 24K. [Feb 28 12:37] Test 60, 270000 LucasLehmer iterations of M368641 using FFT length 24K. [Feb 28 12:38] Test 61, 270000 LucasLehmer iterations of M360447 using FFT length 24K. [Feb 28 12:40] Test 62, 340000 LucasLehmer iterations of M339487 using FFT length 24K. [Feb 28 12:42] Test 63, 340000 LucasLehmer iterations of M335393 using FFT length 24K. [Feb 28 12:45] Test 64, 340000 LucasLehmer iterations of M331681 using FFT length 24K. [Feb 28 12:47] Test 65, 340000 LucasLehmer iterations of M329727 using FFT length 24K. [Feb 28 12:49] Test 66, 340000 LucasLehmer iterations of M327681 using FFT length 24K. [Feb 28 12:51] Test 67, 340000 LucasLehmer iterations of M319487 using FFT length 24K. [Feb 28 12:53] Test 68, 340000 LucasLehmer iterations of M315393 using FFT length 24K. [Feb 28 12:56] Test 69, 340000 LucasLehmer iterations of M311295 using FFT length 24K. [Feb 28 12:58] Test 70, 340000 LucasLehmer iterations of M308295 using FFT length 24K. [Feb 28 13:00] Test 71, 340000 LucasLehmer iterations of M307201 using FFT length 24K. [Feb 28 13:02] Test 72, 380000 LucasLehmer iterations of M291913 using FFT length 24K. [Feb 28 13:05] Test 73, 380000 LucasLehmer iterations of M286719 using FFT length 24K. [Feb 28 13:07] Test 74, 380000 LucasLehmer iterations of M282625 using FFT length 24K. [Feb 28 13:10] Test 75, 380000 LucasLehmer iterations of M280335 using FFT length 24K. [Feb 28 13:12] Test 76, 380000 LucasLehmer iterations of M278527 using FFT length 24K. [Feb 28 13:15] Test 77, 380000 LucasLehmer iterations of M274335 using FFT length 24K. [Feb 28 13:17] Test 78, 380000 LucasLehmer iterations of M270335 using FFT length 24K. [Feb 28 13:19] Test 79, 380000 LucasLehmer iterations of M266241 using FFT length 24K. [Feb 28 13:22] Test 80, 380000 LucasLehmer iterations of M262143 using FFT length 24K. [Feb 28 13:24] Test 81, 380000 LucasLehmer iterations of M260335 using FFT length 24K. [Feb 28 13:27] Test 82, 460000 LucasLehmer iterations of M250519 using FFT length 24K. [Feb 28 13:30] Test 83, 210000 LucasLehmer iterations of M501041 using FFT length 24K. [Feb 28 13:31] Test 84, 210000 LucasLehmer iterations of M496943 using FFT length 24K. [Feb 28 13:32] Test 85, 210000 LucasLehmer iterations of M487423 using FFT length 24K. [Feb 28 13:34] Test 86, 210000 LucasLehmer iterations of M471041 using FFT length 24K. [Feb 28 13:35] Test 87, 210000 LucasLehmer iterations of M466943 using FFT length 24K. [Feb 28 13:36] Test 88, 210000 LucasLehmer iterations of M458753 using FFT length 24K. [Feb 28 13:38] Test 89, 210000 LucasLehmer iterations of M450559 using FFT length 24K. [Feb 28 13:39] Test 90, 210000 LucasLehmer iterations of M442369 using FFT length 24K. [Feb 28 13:41] Test 91, 210000 LucasLehmer iterations of M441041 using FFT length 24K. [Feb 28 13:42] Test 92, 210000 LucasLehmer iterations of M436943 using FFT length 24K. [Feb 28 13:43] Test 93, 270000 LucasLehmer iterations of M420217 using FFT length 24K. [Feb 28 13:45] Test 94, 270000 LucasLehmer iterations of M409601 using FFT length 24K. [Feb 28 13:47] Test 95, 270000 LucasLehmer iterations of M401407 using FFT length 24K. [Feb 28 13:48] Test 96, 270000 LucasLehmer iterations of M393217 using FFT length 24K. [Feb 28 13:50] Selftest 24K passed! [Feb 28 13:50] Test 1, 180000 LucasLehmer iterations of M580673 using FFT length 28K. [Feb 28 13:52] Test 2, 180000 LucasLehmer iterations of M573441 using FFT length 28K. [Feb 28 13:53] Test 3, 180000 LucasLehmer iterations of M565247 using FFT length 28K. [Feb 28 13:55] Test 4, 180000 LucasLehmer iterations of M557057 using FFT length 28K. [Feb 28 13:56] Test 5, 180000 LucasLehmer iterations of M544767 using FFT length 28K. [Feb 28 13:58] Test 6, 180000 LucasLehmer iterations of M540673 using FFT length 28K. [Feb 28 13:59] Test 7, 180000 LucasLehmer iterations of M532479 using FFT length 28K. [Feb 28 14:01] Test 8, 180000 LucasLehmer iterations of M524289 using FFT length 28K. [Feb 28 14:02] Test 9, 180000 LucasLehmer iterations of M522479 using FFT length 28K. [Feb 28 14:04] Test 10, 180000 LucasLehmer iterations of M516095 using FFT length 28K. [Feb 28 14:05] Test 11, 210000 LucasLehmer iterations of M501041 using FFT length 28K. [Feb 28 14:07] Test 12, 210000 LucasLehmer iterations of M496943 using FFT length 28K. [Feb 28 14:09] Test 13, 210000 LucasLehmer iterations of M487423 using FFT length 28K. [Feb 28 14:10] Test 14, 210000 LucasLehmer iterations of M471041 using FFT length 28K. [Feb 28 14:12] Test 15, 210000 LucasLehmer iterations of M466943 using FFT length 28K. [Feb 28 14:14] Test 16, 210000 LucasLehmer iterations of M458753 using FFT length 28K. [Feb 28 14:16] Test 17, 210000 LucasLehmer iterations of M450559 using FFT length 28K. [Feb 28 14:18] Test 18, 210000 LucasLehmer iterations of M442369 using FFT length 28K. [Feb 28 14:19] Test 19, 210000 LucasLehmer iterations of M441041 using FFT length 28K. [Feb 28 14:21] Test 20, 210000 LucasLehmer iterations of M436943 using FFT length 28K. [Feb 28 14:23] Test 21, 270000 LucasLehmer iterations of M420217 using FFT length 28K. [Feb 28 14:25] Test 22, 270000 LucasLehmer iterations of M409601 using FFT length 28K. [Feb 28 14:27] Test 23, 270000 LucasLehmer iterations of M401407 using FFT length 28K. [Feb 28 14:30] Test 24, 270000 LucasLehmer iterations of M393217 using FFT length 28K. [Feb 28 14:32] Test 25, 270000 LucasLehmer iterations of M392119 using FFT length 28K. [Feb 28 14:34] Test 26, 270000 LucasLehmer iterations of M389119 using FFT length 28K. [Feb 28 14:37] Test 27, 270000 LucasLehmer iterations of M376833 using FFT length 28K. [Feb 28 14:39] Test 28, 270000 LucasLehmer iterations of M372735 using FFT length 28K. [Feb 28 14:41] Test 29, 270000 LucasLehmer iterations of M368641 using FFT length 28K. [Feb 28 14:43] Test 30, 270000 LucasLehmer iterations of M360447 using FFT length 28K. [Feb 28 14:46] Test 31, 340000 LucasLehmer iterations of M339487 using FFT length 28K. [Feb 28 14:48] Test 32, 340000 LucasLehmer iterations of M335393 using FFT length 28K. [Feb 28 14:51] Test 33, 340000 LucasLehmer iterations of M331681 using FFT length 28K. [Feb 28 14:54] Test 34, 340000 LucasLehmer iterations of M329727 using FFT length 28K. [Feb 28 14:57] Test 35, 340000 LucasLehmer iterations of M327681 using FFT length 28K. [Feb 28 15:00] Test 36, 340000 LucasLehmer iterations of M319487 using FFT length 28K. [Feb 28 15:03] Test 37, 340000 LucasLehmer iterations of M315393 using FFT length 28K. [Feb 28 15:06] Test 38, 340000 LucasLehmer iterations of M311295 using FFT length 28K. [Feb 28 15:08] Test 39, 340000 LucasLehmer iterations of M308295 using FFT length 28K. [Feb 28 15:11] Test 40, 340000 LucasLehmer iterations of M307201 using FFT length 28K. [Feb 28 15:14] Test 41, 380000 LucasLehmer iterations of M291913 using FFT length 28K. [Feb 28 15:17] Test 42, 180000 LucasLehmer iterations of M580673 using FFT length 28K. [Feb 28 15:19] Test 43, 180000 LucasLehmer iterations of M573441 using FFT length 28K. [Feb 28 15:20] Test 44, 180000 LucasLehmer iterations of M565247 using FFT length 28K. [Feb 28 15:22] Test 45, 180000 LucasLehmer iterations of M557057 using FFT length 28K. [Feb 28 15:23] Test 46, 180000 LucasLehmer iterations of M544767 using FFT length 28K. [Feb 28 15:25] Test 47, 180000 LucasLehmer iterations of M540673 using FFT length 28K. [Feb 28 15:26] Test 48, 180000 LucasLehmer iterations of M532479 using FFT length 28K. [Feb 28 15:28] Test 49, 180000 LucasLehmer iterations of M524289 using FFT length 28K. [Feb 28 15:29] Test 50, 180000 LucasLehmer iterations of M522479 using FFT length 28K. [Feb 28 15:31] Test 51, 180000 LucasLehmer iterations of M516095 using FFT length 28K. [Feb 28 15:31] Torture Test completed 668 tests in 22 hours, 47 minutes  0 errors, 0 warnings. [Feb 28 15:31] Worker stopped. 
My System Specs 
. 

28 Feb 2011  #4 

I would also recommend getting Process Explorer
and monitor it for a while and see if a process is doing it. Would also suggest turn off over clocking completely and run at stock speed and see if the issue continues. 
My System Specs 
28 Feb 2011  #5 

Hello all, I'm new to the forums, I've been having problems lately with my Intel Core 2 Duo E7400 2.53 GHZ OC'ed to 3 GHZ with a cooler master TX3 heatsink. When i'm in game (Bad Company 2) My CPU usage goes to 99%  100%. Sometimes I get lag, and sometimes I don't. At idle my CPU goes from ~1%  100%. I checked if I had thermal compound between my CPU and heatsink, it had plenty. Do you think my CPU is shot? I've been thinking on upgrading to a Core 2 Quad 9400 anyways.
There shouldn't be "plenty" of thermal compound  just a very thin layer made from a drop about the size of a grain of rice. Also, if you removed the sink from the CPU, you shouldn't reuse the compound  you should clean it off an apply some new compound (grain of rice spread over CPU). 
My System Specs 
28 Feb 2011  #6 

That's what I meant by plenty. Everytime I take the heatsink off I use isopropyl alcohol to remove the compound. Then I reapply Arctic Silver.

My System Specs 
28 Feb 2011  #7 

I read somehwere that it can take upto a few months (year maybe) for the full potential of cooling compound to give it's best results. Just a heads up.

My System Specs 
28 Feb 2011  #8 

It depends on the compound itself as to how long to settle in. What compound is being used, and how and what it is being applied to as well. The only Thermal Compound I recommend is ArcticSilver5. There might be other that is as good, but I only trust what I know is good. Quote:
ArcticSilver5  During the CPU's initial use, the compound thins out to enhance the filling of the microscopic valleys and ensure the best physical contact between the heatsink and the CPU core. Then the compound thickens slightly over the next 50 to 200 hours of use to its final consistency designed for longterm stability.

My System Specs 
28 Feb 2011  #9 


My System Specs 
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