What if the SHIFT key fails?

It should be the keyboard has failed, if your keyboard is older, or to change a new bar. Just buy the keyboard or the warranty period can also be repaired. If you want to charge, or new, the new is also dozens of yuan. Of course if you just bought it for a while, but there's a shift on the keyboard that doesn't work, then open the keyboard to fix it and see if the shift switch is being put together. The specific method of operation is as follows:

First use a small Phillips screwdriver to open the back cover on the keyboard, open the back of the keyboard, and then prepare a universal table, with a universal table to test xt/at switch resistance, when there are anomalies, and then to measure the SHIFT key between the two angle of the resistance is zero, is zero words will be the keyboard key cap pry down, Remove the spring switch and look carefully at the two contact points of the switch. We bend the top of the spring sheet a little bit, increase the elasticity of the spring, is two contact points apart, and then install the key cap and keyboard, and finally look at the shift button.