hangs and slow

Hello everyone! Please forgive me if I wrote something wrong on my thread because I'm not an english native speaker. So, 3 days ago my laptop just had a bluescreen and the code says Driver_Power_State_Failure, I have done re-installing the GPU driver but it doesn't affect anything, It keeps...

so i see that my pc hangs a lot when switching between programs . For example - if i try to open microsoft edge it takes take, if i try to open file explorer it takes time but the games like gta 5 run fine...no lag. so i guess graphic card is ok . now which thing is at fault processor or hdd...

Suggestions for best PC racing game(s){single player,no time race like dirtRally..First will try (cracked) then buy :-)