First of all .. when ur computer turns on .. boot the coputer on ,""" safe mode "" then try to search for drivers that need an update .. like graphics and othe drivers .. then make sure ur computer is clean of trojan hourses and viruses ... then check your rams if they are functioning properly. . After all try to delete some unused data and free some space ..
For people who facing this problem ..
First of all .. when ur computer turns on .. boot the coputer on ,""" safe mode "" then try to search for drivers that need an update .. like graphics and othe drivers .. then make sure ur computer is clean of trojan hourses and viruses ... then check your rams if they are functioning properly. . After all try to delete some unused data and free some space ..