For many years of operation of the computer, the keyboard is strongly polluted. Even if you hold the rules not to eat near your PC, dust and fine garbage accumulate and even can cause a key failure. Therefore, periodically you have to disassemble the keyboard. This process can be necessary when painting the keyboard panel, when replacing indicator LEDs or cables.
Before starting disassembly, be sure to disconnect the keyboard from the computer and take a picture of it from the front side. This will be useful to you for the subsequent accurate setting of the keys. The whole process is convenient to spend on the table that is covered with a tablecloth. For disassembly, the keyboard turns over and with the help of a crush screwdriver all bolts are twisted in the following order: first in the center and then along the edges. The bolts are folded on the tablecloth, it is possible to the box, but tilting it, you will collect small fasteners for a long time. Now you can split parts of the case from each other.
Holding to all the items of this instruction, you will quickly discern and collect the keyboard, which after your effort will last for a long year.