电脑故障排除(国外英文资料).docVIP

电脑故障排除(国外英文资料) Ten keyboard and mouse troubleshooting: 1, some buttons can not type: fault phenomenon: a keyboard has been used for more than a year, recently in press certain buttons can not enter the normal, and the rest of the button is normal. Fault analysis and handling: This is typically a keyboard malfunction due to dirty keyboard. It usually only needs to be cleaned inside the keyboard. Method for cleaning keyboard: turn off and unplug the power after unplug the keyboard interface, the screws, flip the keyboard with a screwdriver to open the chassis, with a cotton stick ethanol key and cap connected parts can be cleaned. 2, button instability: fault phenomenon: recently using the keyboard to enter text, and sometimes a row of keys are not responding. Fault analysis and handling: the fault is likely to be due to a broken circuit in the keyboard. The processing method is: disassemble the keyboard, find the break point and weld it well. 3, keyboard is not sensitive: fault phenomenon: when using the keyboard, there are individual keys to knock lightly, no response, must be hard to respond. Fault analysis and treatment: due to press the keyboard to input characters, it seems the keyboard interface and cable are no problem, is likely to cause the circuit fault, the fault processing method is as follows: open the keyboard carefully check, found failure keys listed conductive layer lines with a pin connected with AC, it the cause of the failure is the result of. Immediately the weld point re welding, installation after power on keyboard boot test, troubleshooting. 4, capacitive keyboard key: fault phenomenon: a capacitive keyboard, according to single key appear even key phenomenon. Fault analysis and treatment: when this fault is because key elastic decreased, with a good toughness paper pad between the plastic key and the metal diaphragm, can increase the elasticity of the lift button bond phenomenon. 5, the button can not pop-up: fault phenomenon: Recently, the c