I have a Dell laptop. Yesterday I hooked up an external keyboard. When I removed the keyboard, the laptop keyboard now displays incorrect characters when pressed. Symbols for some letters, numbers for others. I have to plug the ext. keyboard back in to use the laptop. Any suggestions how I can get the laptop keyboard to function properly?
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From your query I interprete as they key is not displayed in the screen. First check with the external usb keyboard. If the external keyboard is also not working, please check the keyboard layout in the control panel regional settings. If the external keyboard is working well, change the laptop keyboard.
Hook external keyboard to the laptop, if okay! replace the laptop keyboard, but if problem is the same, it may be device driver issue, or possible virus attack on your system, update definitions and run a deep or full scan, if okay, try a system restore and bring the laptop back to an earlier time before this happened.
Sounds like the laptop keyboard went bad and thats why its typing wrong characters. Best way to verify this is to use a USB keyboard on the laptop, if the USB keyboard is typing the correct keys then you know the laptop keyboard is bad. If the USB keyboard is typing the wrong keys as well then you know its a setting in windows that is causing the keys to type wrong characters.
This could be a possible hardware issue. You can try to use an external USB keyboard and check if the keys are working or not. If you do not have an external keyboard, you can try to use the onscreen keyboard. To do this, go to start>programs>accessories> accessiblity and then choose on-screen keyboard. Open a notepad and try to use the keys which are not working using the onscreen keyboard. If onscreen keyboard works fine , then you need to get the keyboard replaced.
Try doing this::
1) You might be infected with a malicious software. Download this tool
from microsoft and scan your
Hope it helps
2) Use flea power: Power down your PC and remove the battery, press the
power button for atleat 5seconds, fix your battery back. and switch on
Keyboard is definitely bad and will need to be replaced but try one more thing just to be sure.
GO into the BIOS by pressing F2 on your external keyboard. In the BIOS, there is an option in there to reset to factory defaults after you do that save changes and exit but after you completely exit, unhook the external keyboard and see if your laptop keyboard works. If not then you know for sure without a doubt the laptop keyboard needs to be replaced.
Try using an external keyboard in order to get the machine up and running. Then do a system restore to a point where you know the keyboard was functioning correctly. If that doesn't work then try uninstalling the keyboard drivers and do a hardware search. It will automatically pick up the keyboard and reinstall the drivers. If it still doesn't work, then the keyboard needs replacing.
Your keyboard might be shot, the circuit board that is. Try calling Dell and sending it in for them to fix. Another way is to connect an external keyboard and changing the settings around in control panel with it.