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overclock freezes computer

post #1 of 7
Thread Starter 
Hi everyone, I just got a ga-h55-s2 and a i3 540 from a friend . I paired it with a 120 gb ssd and 8 gb ram. When i oc the processor in games and other intensive video aplications the computer freezes and it starts to emit strange noises on the speaker (something like an old phone internet modem) at this point it cannot be shutdown from the on/off button I have to hit the psu on/off switch. I have locked the pcie to 100 made all the bios settings (this is not my first oc or first build !) I have tested the cpu for stability and it is stable ( 4ghz no vcore) I have heard of people that have experinced stability issues from test to real world applications so i upped the vcore to 1.4 but still the same issue. The problem is not the psu since I have a good 700W one and I tried replacind the gpu from the curent 4870 to a very low power 3650 and the same issue appears. When i turn off the oc the crashing issue disappears.

On top of the first issue I found out that the pc cannot be shutdown, from windows comand ( Ater i issue shutdown from windows it turns the video signal off and there it stays. I havve to press the on/off button for it to shutdown) this is not a win 7 issue as i checkt , also the i "done" all the bios setting that coud affect this problem and nothing. This problem does not depend on the oc.
Is there anything that can be done other that replacing the mobo? ( since it is an old one i am considering a full cpu+ mobo update)
post #2 of 7
Its an unstable overclock. You said you tested it for stability, how did you do it?
post #3 of 7
Thread Starter 
I tested it with prime95 six hours and IntelBurnTest with no problems . The same issue also appears at 3.5 clock !
post #4 of 7
Quote:
Originally Posted by powerdown View Post

I tested it with prime95 six hours and IntelBurnTest with no problems . The same issue also appears at 3.5 clock !

What setting was IBT on?
Unless it was on Very High or Max and ran 10-20 passes then you can't be sure.

Try letting the mobo adjust the VCore, set your VCore to Auto or Normal, whatever your mobo has. Then retest and record what voltage it's using, you can either accept it or lower the voltage by small increments until it's unstable so you know your lowest functional voltage.
Gl smile.gif

Btw, don't waste time using Prime95 for long hours until you can pass Very high or Max on IBT, which will stress it further and heat it up more so you know for sure.
Edited by PoisonousRakija - 2/23/13 at 2:37pm
   
Pink Power
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Pink Power
(11 items)
 
CPUMotherboardGraphicsRAM
Intel Core i5 2500k @ 4.3ghz 1.34v Gigabyte Z68XP-UD3R Gigabyte GTX 760 OC Kingston HyperX t1 8GB 1866 MHZ 
Hard DriveHard DriveOptical DriveCooling
Western Digital Green 2TB Intel 520 SSD Samsung SH-224DB DVD Burner Corsair H105 
CoolingCoolingOSPower
2x Enermax T.B Apollish Twister 140mm 2x NZXT FN 120RB Windows 7 Ultimate x64 Thermaltake ToughPower XT 775W 
CaseOtherOtherOther
NZXT Phantom 410 Leadtek DTV1000s HD TV Tuner/Capture Card ASUS PCE-N15 Wireless Adapter NZXT Sleeved Lighting Kit 100cm 
CPUMotherboardGraphicsRAM
Intel G630 Gigabyte GA-H61M-DS2 POV GT 430 2GB Strontium 4GB DDR3 
Hard DriveOptical DriveOSPower
WD Caviar Blue 500GB LG External DVD Burner Win7 Ultimate 32bit 680W ATX Power Supply 
CaseOther
K-Mart Fish Tank Blue LED Strip 
CPUMotherboardGraphicsRAM
Intel i3 4170 AsRock B85M Pro3 ASUS Radeon R7 370 Kingston HyperX Fury 
Hard DriveHard DriveOSPower
Toshiba 500GB SATA3 Sandisk SSD Plus Windows 7 Ultimate Antec VPF550 550w 
CaseOther
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post #5 of 7
Run a memtest and be sure that you ram is running fine, if you haven't already. Run a gpu stress test like kombuster to see if it is just a specific game or setting. Try out all the settings dx9/10 with aa without aa etc. Run IBT for 10-20 passes see what that nets you. Try running the entire system with a cmos reset and see what happens bone stock.

Post back when you have done some further testing. Anything else you can give us will help. Normally the clarks are good clocking duals and net 4.5ghz on decent voltage so something seems amiss.

Edit: Reading your post again I am wondering if you have a bad pcie slot. Hard to tell as of now though.
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Gnomeon
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Hard DriveHard DriveCoolingOS
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Intel Core i7-2720QM Logic Board Intel HD Graphics 3000 and AMD 6750M 1gb Crucial 16GB 1333MHZ 
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750gb Hitachi 5400rpm 8x double-layer SuperDrive OS x 10.7.4 15.4" LED-backlit glossy widescreen display 144... 
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Apple Keyboard Apple 85W MagSafe Power Adapter 2011 Unibody Magic Trackpad 
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post #6 of 7
Thread Starter 
I run IBT for 15 passes successfully. If i set vcore tu auto cpu-z reads 1.45 witch is rong for 4ghz on a 540 and i get same problem with games. The only thing that seems to affect this issue is PCIE CLOCK DRIVE , if i set it to the normal 700 mv games freeze at start , if a set it to 900 - 1000 i get a few minutes of gameplay before crashing. There seems to be a connection between the hight blk 174 and the pcie slot although i have manualy locked the pcie to 100.
post #7 of 7
Overclocking on auto is not recommended. The CPU always sets the voltages way higher than needed.
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