I just boghut a Z 400 After 2 days of working the rear fan start to go high and high by the time now the rear fan and the heat sink fan both running in top speed i was using Windows 10 and Driver pack soultion becouse thier is no driver for windows 10..
today i tried windows 7 and downloaded drivers from Hp website and the same proplem !!
A friend told me that i need to update BIOS .
So what should i do?
i wouled like to mention that the processor heat i 50~70c.
Thank you .