微机键盘特别是一些质量较差的键盘,在使用一段时间后,会出现按键失灵的故障。一般主要有两种情况:一是按键按下后不起作用,即计算机得不到该键输入信号,属于键座内部损坏;二是按键按下后不能复位,影响计算机正常工作,此种故障更具普遍性。因市场上无键盘的按键配件,许多用户不得不因此花去几百元钱购买新键盘。 Computer keyboard, especially some poor quality keyboard, the use of a period of time, there will be failure of the button failure. Generally there are two main situations: First, press the button does not work, that is, the computer can not get the key input signal, belonging to the key seat internal damage; second press the key can not be reset, affecting the normal operation of the computer, such failures More universal. Because of the lack of keyboard keypads on the market, many users have to spend hundreds of dollars on new keyboards.