hello guyz.i buy new gaming pc 2 months ago but not branded I custom maded.after using 2 months its giving me some BSOD errors like these 1.(A Clock Interrupt Was Not Received On A Secondry Processor With In The Allocated Time Interval) 2.(IRQL Not Less Or Equal) 3.(Uncorrectable Hardware Error BLUE SCREEN).ok now i will tell u my story thats what happens.when i connected my all hardware of my new rig i quickly goto BIOS and overclocks the cpu to 4.2 ghz with voltage of 1.36V which is safe range thats i know.installed windows 7 64BIT and windows vista 64BIT ultimate versions.both working fine from 2 months but i used windows vista much more then 7.i keep 7 for emergency use.its works fine with 4.2 ghz from 2 months.then i goto bios and overclocks more set to 4.7 ghz with voltage of 1.46 and all cpu features enabled (CPU Pll Overvoltage Enabled) turbo 4.7 ghz and multiplier to 47 then save and restart after rebooting windows run fine when windows loading some programs at startup its gives me BSOD of (A Clock Interrupt Was Not Received On A Secondry Processor With In The Allocated Time Interval) i quickly changed the settings to default and restart after rebooting windows loaded successfully.I used my pc 4-5 hours after that get cpu one BSOD or random BSOD which i describe on top.i checked everything all parts,cables,vga,heatsink,thermal grease,rams,power,bios updated to latest and flashed serval times,installed new windows,all latest driver,temps,checked HDD after checking thats all i still cant find solution same BSOD,S.then i think its may be power supply problem i goto BIOS and downclocked the cpu tO 3.2 GHZ turbo also 3.2 ghz and everythings defaults save and reboot after rebooting windows loaded fine and voila everything work fine i used my pc daily with 3.2 ghz its works fine and when i increased the cpu to 3.3 ghz its getting crashed with BSOD.iam reposting this q again so i figured out one new thing that when i increase vcore to 1.35 v Its works on 4.ghz but before its was working on 3.4 ghz default with every setting on default.and yes heres my pc specification!
PC SPECIFICATION
CPU = INTEL CORE I7 2600K 3.4GHZ 8MB CACHE
RAM = KINGSTON 8GB DDR3 1333 MHZ
MB = GIGABYTE Z68A-D3-B3
VGA = GIGABYTE GTX 470 1280 MB GDDR5 SOC
PSU = GIGABYTE SUPERB 550 WATTS
COOLING = 3 EXTRA STOCK FANS 3200 RPM
CD/DVD = 2 LG SUPER MULTI DRIVES
HDD = WD BLUE 320 GB 7200 RPM,WD GREEN 1TB
DISPLAY = SAMSUNG SYNCMASTER P2370HD
OS = MICROSOFT WINDOWS VISTA ULTIMATE SP2 64BIT
CONTROLLER = XBOX360 CONTROLLER FOR WINDOWS
PLZ GUYZ HELP ME FOR GOD SAKE I SPEND TO MUCH MONEY ON MY PC.Sorry For My Poor English Thank U!!!