The five methods to solve the win7 system computer boot card death

1, there may be a motherboard BIOS error, some motherboards have anti-intrusion mechanism, check whether there have been replacement parts recently, may also be caused by the motherboard BIOS error, the solution is: Press DEL key on the keyboard when booting, enter the BIOS interface of the motherboard, then initialize the BIOS setting information, then press F10 to save and exit, restart the computer;
2, there may be hardware failure, if the hard disk is replaced after the data cable If it is invalid, you can also try to unplug the data cable of the hard disk, and then boot the test to see if it will be stuck in the LOGO screen. If it is not, it is estimated that the hard disk is faulty. The solution is to replace the hard disk.
3, check whether the machine has external device connection, U disk, mobile hard disk and other external devices, may be inserted in the computer USB port forgot to unplug, and then cause the motherboard self-test card master can not pass, the solution is: Unplug the extra external device and restart your computer.
4, check if the keyboard and mouse are reversed. Here refers to the keyboard and mouse of the PS/2 interface, many people will be too big, insert the keyboard and mouse interface, it will cause the self-test error of the boot computer to the card screen, the solution: first shut down the computer, Reconnect the keyboard and mouse, usually the purple interface is the keyboard, and the green interface is the mouse.
5, the general computer boot, the first will carry out device self-test, if the card screen is on the motherboard LOGO picture, most of the cases are hard disk detection is not past, here we suggest you can try to replace the data line for the hard disk, if If you don't have a line, you can try to swap the data lines at both ends, and then try to change the interface on the motherboard.