Thread: Loss of mouse and keyboard use when booting

My computer is shutdown to restart after application acting normally. When again I start to login I got XP login window but no any response my mouse and keyboard. The keyboard works when in bios, setup mode and XP starts. I get stationary at screen where user is chosen. Please give me help to solve this problem.

Please you find out any loose connection to his hard drive, check IDE, SATA connector and power supply you may check.