Please help... - No new software/hardware was installed. - BIOS was not updated recently. I tried the following: 1. Remove SSD 2. Replace CMOS battery 3. Remove and replace the DIMM module (1x8GB) 4. Disable all I/O ports on BIOS 5. Reset BIOS to defaults 6. Tried to boot from CD or USB stick 7. Che...

Even though your fan passed the tests, it would be a good idea to take that heat sink apart, clean the fins properly and take out the fan itself to put some lubricant (a drop is enough) inside its center axis. That was the only thing that fixed my heating issues on T400. I used the oil that came wit...