Hi frienz i have a problem with my PC Hardware, i dont know exactly in which part the problem is. If you have a solution then plz try to tell me. 1. Each time when i connect pen drive to pc while booting, pc get restarted. I am facing this problem from last 3-4 months. 2. Now its a second problem held 2 days before. i have connected pen drive after logging screen, and suddenly all screen becomes black and only stedy mouse pointer is visible. i have restarted the pc. From that moment my pc is not booting nor giving responce to any process. i have changed the CMOS, also replaced the RAM. All pc fans are working properly, CD drive is working properly, keybord lights are not blinking and monitor is going in power saving mode. Its not a S/W problem. plz help me if you can. Thx.