Computer keyboard is one of the most commonly used computer input devices, and it is also the most frequently used device. Due to the high frequency of use of computer keyboard, the failure of computer keyboard often occurs in the process of use. Today, I'll share with you the solutions after the computer keyboard fails.There are generally two cases of laptop keyboard failure:One is to press the letter key to turn it into a number. Many friends who know about notebook computers will know that the number keys and letter keys of notebook keypad are integrated. Generally, pressing fnnumlk key can intelligently switch to the number keypad. Some notebook brands may be different. You can refer to your own notebook operation manual.
In another case, there is no response to pressing, or the key is not displayed regularly. Most of these are keyboard problems. You can try to clean the notebook keyboard and check each key to see if some keys don't pop up when pressed, resulting in the useless pressing of other keys. In addition, if the notebook keyboard is damaged, you can replace it (but the cost is very expensive), or it's good to buy an external interface keyboard, It's cheap.If none of the above methods can solve your problem, try the following solutions:1. Modify the driver of notebook keyboard.
Open the system properties through "my computer", select the hardware tab, and open the device manager. We found that under the Chinese Windows XP operating system, the default keyboard driver is "standard 101 / 102 key or Microsoft natural PS / 2 keyboard". Right click to select update driver, and the hardware update wizard will appear: select "install from list or specified location (Advanced)", click "next", and select "do not search. I want to select the driver to install myself." click "next" to enter the "select device driver to install for this hardware" page, and remove the check box "display compatible hardware" Small hook in front of the. Select "Japanese PS / 2keyboard (106 / 109key)" in the "standard keyboard model" column, click "next", the "update driver warning" pops up, and click "yes". Click Yes in the confirm device installation window. Complete the hardware update wizard and restart your computer.
2. Modify the registry.
Click "start" menu, click "run", enter "regedit", open the registry and enter "hkey_local_machinesystemcontrolset001controlkeyboardlayouts", which has many subitems. Through observation, I found that the input methods ending with "0804" are simplified Chinese input methods. Open "e00e0804" and you can see that there is a sub item "layoutfile" in the sub item on the right. Double click to open the item, change "kbdus. DLL" in "numerical data" to "kbdjpn. DLL" and click OK. By analogy, you can change "layoutfile" in all sub items ending in "0804" to "kbdjpn. DLL", which is selected according to your common input method. Then restart the computer!
There are many reasons for laptop keyboard failure. The more common ones are the two introduced to you at the beginning. In addition, some computer viruses will also destroy the computer keys. It is recommended that you first kill the computer when the laptop keyboard keys fail, and then use the above methods to solve it.Setting method and unlocking steps of laptop keyboard lockLaptop keyboard lock is a tool we often use in our daily life. It makes our work and study more efficient, so it can be widely praised by everyone. However, once we encounter the scene of forgetting the keyboard lock, it will inevitably bring many inconveniences to our life. Therefore, it is very necessary to master some relevant knowledge. Then you might as well learn a few words and pictures about the setting method of laptop keyboard lock and unlocking method with Xiaobian.
1 How to unlock the laptop keyboard lockMethod for unlocking keyboard lock of notebook computer
When starting up, you can directly press F10, and then enter a BIOS page, where you can set the password for the keyboard. Of course, you can set the password and unlock the password. However, it should be noted that different models of laptops have different ways to enter BIOS mode, some with F8 key and some with del key. In this way, you can observe whether the NumLock key of building materials is on. If it is not on, you can turn it on. You can also select the run button in the start menu to enter the run dialog box, enter the regdit command to enter the registry, and then press the following value to change it Defaultcontrolpanelkeyboard] "initialkeyboardindicators" = "2" enter it.
Unlocking method 2 of laptop keyboard lockAfter restarting the laptop, observe whether the three LED lights on the keyboard are on. If not, you can try the "windons key" R key to call up the operation window, then enter "OSK" in the dialog box to call up the keyboard on the screen, select "open numeric keypad" in the options, and then click the OK button. Then check whether it is on through NumLock key, and the phenomenon is consistent with the appeal.Unlocking method 3 of laptop keyboard lock
Another simple inspection method is that sometimes it may be because your keyboard (external keyboard) is in poor contact. At this time, all you can do is turn on and off the laptop five times, so that you can release all the static electricity in the computer, then connect it to the keyboard and turn it on again. If it's really just a keyboard problem, then this problem can be eliminated. If the model is relatively new, many computers will have a FN key. If this key is combined with NumLock, it can also eliminate many computer keyboard lock errors.
2 How to set the keyboard lock of notebook computer1. Restart the computer. During computer startup, press F2 to check whether BIOS settings can be entered.If the BIOS setting cannot be entered normally, it can be basically judged that the keyboard data connection is loose, and it needs to be sent to the local service network for inspection and maintenance.
If you can enter the BIOS normally, it shows that it has little to do with the hardware. It is recommended to observe under what circumstances the keyboard will fail after entering the system.2. Press FN numlk in blue for notebook. Is either FN or shift or Ctrl numlk. The function key FN ESC of the notebook keyboard switches the volume.
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