Question Why are some keys when pressed making both mouse and keyboard act funny?

Dec 13, 2019
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I have noticed that 4 keys in particular, once pressed, make the computer start behaving awkwardly.

The keys are S, N,B and C Of course I am using an extended keyboard right now.

So, windows are now also not being able to get restored, the start menu function won't stay, and when I type into the address bar using these keys, the address bar input gets completely deleted?

Any idea why this is happening?

Even now if I press N or any of the other keys, the mouse and keyboard will start behaving weird and so will the computer.

But if I click CAPSLOCK key twice, it'll start working again on the extended keyboard.

Any idea what is wrong?
 
You shouldn't need to remap the keys. All that would do is change what key does what.

If it is the attached keyboard only, then I would say it likely has a problem. Either it got liquid inside it (even if it wasn't you), debris, or there is other damage, or you have something on the computer you don't want (virus, malware, bad program, etc.).

However, if attaching an external keyboard doesn't resolve the problem, then it is a whole different thing.

Should the external one also do it, then I suggest starting up the computer in "Safe Mode" to see if all works fine in there. If it does, then you have something on the computer that is the cause. You would need to find and remove the cause before it would function correctly. Now if it also does it in "Safe Mode", then it is going to be hardware. Then I would have the laptop looked at.

How to enter "Safe Mode" when booting the computer.

In Windows 8 and 10...

As your computer restarts, press F8 (possibly a few times) to enter "Safe Mode"

a. Press the "F4" key to Enable "Safe Mode".
(The computer will then start in "Safe Mode" with a minimal set of drivers and services.)

b. Press the "F5" key to Enable "Safe Mode" with Networking.
( Once "Safe Mode" with Networking starts, Windows is in Safe Mode, with additional network and services for accessing the Internet and other computers on your network.)

c. Press the "F6" key to Enable "Safe Mode" with Command Prompt.
(In "Safe Mode" with "Command Prompt" starts Windows in Safe Mode, with a Command Prompt window instead of the Windows interface. This option is mostly only used by IT professionals.)

Now sign in to the computer with your account name and password. (If you have one set.) When you are finished troubleshooting, you can exit "Safe Mode" restarting your computer.


In Windows 7/Vista/XP...

1. Immediately after turning on the computer, or restarting it (usually after you hear your computer beep), tap the F8 key, repeatedly, in 1 second intervals.

2. The computer will then display hardware information and run a memory test.

3. Next the "Advanced Boot Options" menu will appear.

4. In the "Advanced Boot Options" menu use the arrow keys to select "Safe Mode" or "Safe Mode with Networking" and press ENTER.
 
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