Keyboard failure

Users questions: Keyboard, only the first few seconds after startup can use later to be working. In addition, the chassis power button can be used. After the keyboard for USB is not OK, not OK with the USB adapter Jia only a few seconds before the boot can be used. Desktop
Experts answer: I do not know why, but you can try this : Select the first one to enter CMOS startup item from the CDROM boot, and then start the CD boot to DOS, the keyboard input, to see it work, if the line, then prove your computer hardware without any problem. If so, then you re-install the system right times, reloading is a universal magic. As Results in the DOS can not enter, then prove your hardware has a problem, I * O controller not work, the motherboard to die. When test suggested keyboard PS * 2 test.
  • This information provided by the users.Thanks!