My A75 is only 6 months old and will shut down in full power mode, after surfing the net I was relieved to find your detailed process for disassemly. When I spoke to the Toshiba rep he indicated the problem was with the motherboard but all the symptoms point to overheating though it could be a faulty SMBIOS on the board. Thanks again for your great site and wealth of info!!! I don t know if it s the CPU[…]