laptop name : Lenovo B590 (modelNumber: 20206)
i changed my laptop cpu intel celeron 1000M to i7-3740QM. this is working but automatically shutdown after exactly 30 minutes. this cpu thermal is (46*C to 65*C) normal heat average 52*C .
what i should do to this problem. please tell me....
Processor CPU upgrade
You need to contact Lenovo for support with THEIR laptop.
Also, did you confirm with Lenovo that the i7-3740QM was supported by THEIR BIOS?
Updating the bios can only help if the new bios supports the new processor.
You must contact Lenovo regarding this. Also, do not believe sites like those in the link you posted.