Why do I see the number 1 or 4 when I press the shift key on my computer keyboard?

It may be a number-stealing Trojan virus! Change the folder properties to show all files! Check whether the root directory of d:disk, e:disk, etc. is hidden.

Executable file (..)exe or. com) if there are strange programs that you are not known for! Trojan virus for sure!

Generally, really harmful virus antivirus software can't kill it. It is recommended to start with a disc! Enter DOS mode! Forced deletion of files with pctool software! (It's best to reinstall the system!) ）

Hello: It is recommended that you install the Rising Antivirus v16 version and upgrade to the latest virus database, restart the computer and press the F8 key to select the safe mode, perform a full virus scan and kill, and then use the Rising Security Assistant to repair the computer, **Address:

We also have this problem with our keyboard, by the way, have you ever spilled water or something into the keyboard before? If it does, it should be your keyboard in water. Water ingress can easily cause short circuits in the line, and you have several short circuits in the line.

You don't need to fix it, just change it, because there's nothing to fix it.

Function keys. Press the fn key to try it out. fn+num ik key shift + num lock or fn+num ik key.

Computer problems. There's a problem with the keyboard, I press a number key or an alphabet key and it will come out with two or three numbers, what's going on?

Dear, according to your description, the problem of keyboard input of multiple characters may be related to a variety of reasons, here are some possible solutions:1Check if there is a key stutter:

The keyboard may stutter while typing, which can cause one key to be recognized as multiple keystrokes. So, you can check if the keys are stuck, and if so, try to remove any clutter or dirt and make sure that the keys can be pressed down properly. 2.

Replace the keyboard cable: If you're using a wired keyboard, the keyboard's cable may be damaged or frayed, resulting in multiple characters being typed. You can try replacing the keyboard cable or using a new one.

3.Check the keyboard settings: You can try to check if the keyboard settings on your computer are correct.

Sometimes, the problem with keyboard duplication can be caused by you accidentally enabling the key repeat feature, such as inadvertently pressing the shift key when pressing a key. You can open the Control Panel in Windows and view and change the key repetition rate in the Keyboard tab. 4.

Check your computer for viruses or malware: Some viruses or malware can attack your computer's keyboard drivers, causing the keyboard to type multiple characters or to enter the keyboard incorrectly. You can run an antivirus or anti-malware program to check for and remove any potential threats from your computer.