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Weird overclock issue i5 2500K, need advise.

post #1 of 3
Thread Starter 
Hello guys. I have an i5 2500k which is running at 4.8Ghz stable. But I have noticed an issue. Sometimes when I boot up the computer, it would just restart before posting, like it loses power somehow. Some other times it would stuck on the Windows 7 logo(the one before welcome screen).

Although this issue was just solved by a restart, today it kept doing the same thing so I turned off the power supply, removed the battery for few seconds and tried again - no go. I just reset the bios to default settings and now it boot up without an issue.

I suppose it is a bios setting that messes it up? Does anyone have any idea about this?

*edit: I just disabled Intel Speedstep(which downclocks the cpu) and it booted fine with the overclocked settings. Could it be it?
Will let you know if it happens again.
Edited by zefs - 11/16/11 at 4:33am
    
CPUMotherboardGraphicsRAM
[intel] i5 2500K @ 4.5 GHz [Asus] P8Z68-V [GB] GTX 970 G1 [Kingston] HyperX Fury 1600MHz - 16GB 
Hard DriveOSMonitorPower
[Crucial] MX 100 Windows 10 64 bit [BenQ] XL2411Z [EVGA] SuperNOVA 750W G2 
Case
[Corsair] 330R 
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CPUMotherboardGraphicsRAM
[intel] i5 2500K @ 4.5 GHz [Asus] P8Z68-V [GB] GTX 970 G1 [Kingston] HyperX Fury 1600MHz - 16GB 
Hard DriveOSMonitorPower
[Crucial] MX 100 Windows 10 64 bit [BenQ] XL2411Z [EVGA] SuperNOVA 750W G2 
Case
[Corsair] 330R 
  hide details  
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post #2 of 3
It isn't running stable by the sounds of it.

Something is running too fast. Try loosening your RAM timings and see if you still experience the same problem.

EDIT: Also use Prime95 for stability testing not IntelBurnTest.
 
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i5 2500k @ 4.8GHz - 1.38v - 24/7 Gigabyte Z68AP-D3 XFX R7970 Black Edition G.Skill Ripjaws 8GB 
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Seagate 1TB Samsung BluRay Noctua NH-D14 + 3 NF-F12 fans Windows 7 Professional 64bit 
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E8400 E0 Gigabyte G31M ES-2L HD 5670 4 GB generic value RAM 
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Budget Build
(9 items)
 
 
CPUMotherboardGraphicsRAM
i5 2500k @ 4.8GHz - 1.38v - 24/7 Gigabyte Z68AP-D3 XFX R7970 Black Edition G.Skill Ripjaws 8GB 
Hard DriveOptical DriveCoolingOS
Seagate 1TB Samsung BluRay Noctua NH-D14 + 3 NF-F12 fans Windows 7 Professional 64bit 
PowerCase
OCZ Fatal1ty 750w Silverstone Raven RV-02-W 
CPUMotherboardGraphicsRAM
E8400 E0 Gigabyte G31M ES-2L HD 5670 4 GB generic value RAM 
Hard DriveCoolingOSPower
Samsung 500GB Scythe Yasya 1000 Windows 7 Professional 64bit Corsair CX430 
Case
Thermaltake 
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Reply
post #3 of 3
Thread Starter 
For me it's stable. It runs my games for hours(BF3/Skyrim). The boot issue seems to have been solved by disabling Intel Speedstep...
    
CPUMotherboardGraphicsRAM
[intel] i5 2500K @ 4.5 GHz [Asus] P8Z68-V [GB] GTX 970 G1 [Kingston] HyperX Fury 1600MHz - 16GB 
Hard DriveOSMonitorPower
[Crucial] MX 100 Windows 10 64 bit [BenQ] XL2411Z [EVGA] SuperNOVA 750W G2 
Case
[Corsair] 330R 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
[intel] i5 2500K @ 4.5 GHz [Asus] P8Z68-V [GB] GTX 970 G1 [Kingston] HyperX Fury 1600MHz - 16GB 
Hard DriveOSMonitorPower
[Crucial] MX 100 Windows 10 64 bit [BenQ] XL2411Z [EVGA] SuperNOVA 750W G2 
Case
[Corsair] 330R 
  hide details  
Reply
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