Remove the hard drive from a computer can use it to change. It can be used as normal. The keyboard does not have the spare parts to be used in the test.
Remove the hard disk from the computer, which can be used to change it, it can be used as normal, but the keyboard doesn't have the spare parts to be used in the test.
Take your hard disk from the computer can be used to change it, it can be used as a normal keyboard, but it is not a replacement parts will be used in the test