BSOD and BIOS on herobook pro

Hallo, after few days, a lot of BSOD on herobook pro.
Windows memory tool says HW problems. Before send It back, can i try anything ?
Btw, i have reset BIOS ti try a solution. After this no more wifi. I Need set an option on BIOS to acrobate It.
So, which Is optimal BIOS configuration After reset ? Are there parameter to change as wifi One ?