interrupts CPU BUGs ? help me

Feb 26, 2015
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4,510
Big problem - Toshiba satellite A300
interrupts CPU usage 100% ????
tried
no hard disk
ram changed
no CD ROM
no w-LAN
processor changed
disable t-pad
disable Intel dynamic accretion
no keyboard
disable built-in-LAN
No Bluetooth
update bios ver to 1.8 ( can back it to 1.5 )
power changed
:bounce::bounce:

tried os mini win xp - windows 7

any one can help me ????:??: