The reason analysis and solution of the keyboard can't be typed in the notebook Win7 system

Situation one, the notebook itself keyboard failure

When we press the keyboard, there are a lot of messy letters or numbers, so it is possible that one of the keys has been pressed down the reason for not bouncing up, we can also try to restart the computer to eliminate the reason for keyboard failure is a software or system problems, if the restart after the keyboard input is still a problem, The initial judgment is the problem of the keyboard itself, it is not the problem of failure.

Method 1: Change the keyboard driver

1, the first mouse right click on the desktop "Computer" icon, select "Device Manager", in the Device Manager to find the keyboard options;

2, typically, the default keyboard driver is the standard 101/102 or Microsoft Natural PS/2 Keyboard, right-click the keyboard driver, and then select the Update Driver option, the Hardware Update Wizard appears, select Install from a list or a specified location (advanced), click Next, and select Do not search, choose the driver you want to install ";

3, then click "Next" into "Select the device driver to install for this hardware" page uncheck "Show compatible Hardware", in the "Standard keyboard Model" column Select "Japanese PS/2 keyboard (106/109 Key)";

4, click "Next", pop-up "update Driver Warning", select "Yes", "Confirm device Installation" window continue to point "yes" to complete the Hardware Update Wizard operation. Then restart the computer.

Method 2: Modify the Registry

1, click "Start"-"Run", type "regedit", open the registration form;

2, in the pop-up Registry Editor to find "Hkey_local_machinesystemcontrolset001controlkeyboard Layouts" Careful examination will find that "0804" is the end of the simplified Chinese input method;

3, open "e00e0804", you can see the right subkey has "Layout File" subkey, double-click to open the entry, "numerical data" in the "Kbdus.dll" to "Kbdjpn.dll", "OK" can be. We can change all the "0804" to the end of the subkey "Layout File" all changed to "Kbdjpn.dll", specifically according to their own commonly used input method to choose, and then restart the computer.

Situation two, the input method appears the question

Because the Windows system comes with the input method of low efficiency, so many people will download their own input method installed on the computer, or installed other software to create conflicts between each other, resulting in system instability, input method crashes occur from occurrence. For example, installed Sogou, and installed search and other functions of the same input method, resulting in keyboard input unresponsive.

Solution: Using the right mouse button to click on the bottom right corner of the input method, and then in the pop-up menu to choose Settings Options, in the pop-up interface, we choose the input method does not need, and then click Delete.

Situation three, part of the letter is a number, resulting in notebook keyboard can not be a word

Notebook keyboards are designed to be different from desktop keyboards, so many people are not accustomed to using them suddenly.