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Some of you may have experienced this, namely a time when your keyboard is a PS2 socket could not function. The easiest way is to replace the keyboard with a USB keyboard, but before the change, it helps you find out the causes and solutions. Here are some causes and solutions if you experience something like this:

1. Most likely your keyboard is broken! (This solution is not ya??) Try to replace your keyboard with a keyboard that you make sure good. Try to borrow it before buying new. For the keyboard you can be in good condition.
   
2. On the motherboard, there is such thing as a keyboard fuse (in the form of a small diode or fuse). Its location is near the keyboard socket (behind). Try to measure with tools multitester with instructions resistance (Ohm). Measure each diode or fuse socket behind your keyboard (if you're not sure where the fuse), if there is not disconnected, the fuse can be sure your keyboard is damaged. Replace with a fuse of a damaged motherboard.
   
3. It may also happen, your keyboard socket is broken. Damage to the keyboard connector is usually caused by loose (due to too often conspicuous and open). Can also occur due to corrosion in the socket. Replace your sockets with a socket from a socket motherboard is still good.
   
4. This one is rada difficult to repair. The damage occurred in the bios. As we know, the bios is the "ic" program that regulates all functions of the motherboard. If this fails ic "set" function keyboard, then your keyboard will not work. To the solution you should consult with a technician. Can be updated bios or copy the bios, and can also with the same bios replacement of the same motherboard.
   
5. Damage to power supply. This rarely happens, but not impossible. Power suppy consists of 5 volts and 12 volts. If one voltage is not in accordance with the provisions of its range, then one of the functions of the motherboard will not function properly. Check the power supply you with hardware facilities management in the bios.
   So my experience is often experienced.

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