when you face password screen then you click ctrl+alt+del button then the new window will apper your front & get the user name - Administrator & password - Blank and press enter button ok ........................

plese replace your smps .............ok

plese reinstall your pc s operatng system ok..........bye

first you cheque you bios battery voltage 3.00 vlt . if your battery voltage is ok then you clear motherboard cmos jumper try to do your motherboard battery open for 1 min after that you insert it .....ok. otherwise if your mother board battery voltage wrong then change Bios battery 2032. ok......bye

first you insert your video card into the motherboard pci slot after that you switching you pc then insert you video card driver cd and install the driver when driver loading finished then restart you pc ...............ok

Replace your RAM & HDD .............ok I hope the problem has been solved............