Solve the non-working laptop keyboard tips

1. Some of the key from the laptop keyboard does not work, such as e, I, O, P, Q, R, U, W keys do not work on my laptop keyboard. Help me solve this problem. Or you have a problem: with the following laptop keyboard keys not working: 3, E, D, C, etc. These keys are in a continuous diagonal.

2. Wrong characters appear when typing, press the Multimedia key, the message does not appear on the screen;, set up the multimedia buttons generate an illegal operation error message; ultimedia keyboard button does not work; Internet keyboard button does not work; keys from sticking, like these.

Solution: Try a variety of methods

The first method: The most common problems facing non-working keyboard, is the improper connection.

Try to connect your keyboard, restart the computer and see if that resolves the problem. Your keyboard connector may be loose. The Dell Laptop Keyboard matrix to determine if a key is pressed, to give them one, and a continuous signal. Decoder chip, to explain the signal and sends out the equivalent ASCII code. If the encoder is a circuit board on the motherboard, instead of a keyboard module, and then the cable may be partially pulled out, disabling one or two key column.

The second method: Make sure the key is not working in multiple applications. Some keys, such as F1 to F12 function keys will not work with every program. A simple way to test this is to open Notepad or another word processing program, and try to key.If not all keys work in all programs to ensure that it is not just a glitch, first restart the computer.
If this does not solve the problem, you try to use Microsoft Windows in safe mode the keyboard. Information into safe mode, you can find the file CHSFAFE.

The third method: If you are using a multimedia keyboard, and then delete any of this type of DELL Inspiron 1720 Keyboard, and then install the new driver software. The manufacturer's website to install the updated driver, then reinstall the keyboard software. If any software updates or patches can be used for multimedia keyboard, at this time. Remove the keyboard software, by using the "Add / Remove Programs" (Start>> Control Panel>> Add / Remove Programs "). If you receive a prompt asking if you want to remove all shared files, answer" no all. "And then Click OK.

The fourth method: try to clean your keyboard. From the delete key on the keyboard and clean. In some cases, such as dust, hair, dust, etc., may hinder the keys, causing them to not work.

Fifth: If the above method does not solve your DELL Inspiron 1521 Keyboard problem, it is possible that your keyboard is bad, the proposed replacement of a new one.

Note:
Just be careful when you use a laptop deal, because they are very delicate machines. Replace the keyboard will give you a new microcontroller and circuit board, so you should be good to go!