Thanks for your answer. Could it also have happened because I had connected the laptop to the obd2 port of the car, and while reading the car a peak voltage came through the cable after I restarted the car. The computer shop told me that he has already had several broken computers by reading the car...

I use MultiEcuScan with a wired elm327. After using MultiEcuScan and performing a Proxy Alignment my laptop crashed. It doesn't work anymore and the motherboard is broken. Could this have happened while using MultiEcuScan by means of a peak voltage or am I just unlucky. Should I use a bluetooth elm3...