What s the deal with a laptop typing the same letter uncontrollably?

This is a sign that something is wrong with the keyboard.

First: remove the problematic keycaps, clean them with anhydrous alcohol, clean the conductive silicone, and see if the problem can be solved.

Second: the cable contact problem or the cable is dirty, we first disconnect the motherboard and the keyboard cable, and then clean up the keyboard cable and then install it on the motherboard and fasten the lock, note: the cable is not fastened or the cable is crooked, which will lead to the above keyboard failure.

If it is still abnormal after this operation into the system, please use a hair dryer to blow around the abnormal keys, which may be a key problem caused by moisture on the keyboard. If it doesn't work after all the processing, then there is no way, then it can only be replaced with a new one.

It is possible that the system is poisoned, and it is possible that someone else is controlling the landlord's computer through the network and remote desktop, and then playing pranks with the landlord.

1. Check whether the keyboard has any debris causing the keys to fail;

2. Confirm whether the keyboard has been flooded with liquid and the keys fail; You can remove all external devices and restart the machine to try again.

It may be that the keyboard has been damaged by water or has been used for a long time, you can't see your computer, and you don't know what the specific situation is, so it's generally good to change the keyboard.

Workarounds for laptop keyboard malfunction:

1. Replace the document program test, create a new word or txt document, if the problem occurs in individual software, consider individual software problems.

2. Enter the safe mode of the system to test whether it can be used. If it can be used in safe mode, consider it a system or software issue.

3. Thoroughly disinfect the system.

4. If the above method test is invalid, backup important data to restore or format and reinstall the system.

5. The laptop keyboard is out of order, and the keyboard needs to be detected or replaced.

It is recommended to enter the system [Safe Mode] to test whether the keys can be used normally.

1. If the buttons are normal in safe mode, it is generally caused by viruses or system problems;

1. It is recommended that you update the anti-virus software patches and check and kill viruses comprehensively.

2. Right-click on "Computer" and select "Properties" - Device Manager, find the "+" sign in front of the keyboard device, and right-click to select "Uninstall"; Then restart the machine for testing.

3. If the above methods still cannot solve the problem, it is recommended that you back up and save important data to an external storage device, and reinstall the system.

2. If the above methods are still invalid, or cannot be used in safe mode, it is generally a hardware problem with the keys of the notebook keyboard.

It is recommended to go to the after-sales inspection.

If you use IE, right-click on the blue e standard, attribute the content of the autocomplete setting, click out all the checks in it and delete the autocomplete record, if the problem is solved, it is best to tick the previous checkmark option if you use other browsers, find the internet option in the tool, and also enter the content of the autocomplete setting.

The possible reasons are: First, the biggest possibility is that the keyboard is broken, and it has been in the state of pressing it and has not bounced back. You can take it apart manually, if it's a small problem, you can break it back yourself, if you can't open it well, just buy a new one.

Second, there are also software problems, such as some key setting tools, which may be set to this situation if you are not careful. You can delete this kind of tool and take a look. Third, it may be caused by malware or viruses, you can install anti-virus and other security tools to conduct a comprehensive anti-virus on the computer, or reinstall the system to try.

I can't even get into the desktop to ask questions.

Let's see if it's a keyboard problem.

The question keyboard is no problem, and it also springs back.

Not necessarily. Bounce back is not necessarily good.

Unplug the keyboard and see.

Question: How to pull out the notebook...

I have an external keyboard, how to lock the notebook keyboard.

To disable the notebook keyboard, you can do the following:

1. Move the mouse to the desktop "Computer", right-click, and click Properties.

2. Click Device Manager.

3. After opening the Laptop Device Manager, find the keyboard and click it.

4. Right-click on the [PS 2 Standard Keyboard] and select [Update Driver Software].

5. Click [Browse Computer for Driver Software].

6. Click Select from the list of device drivers on your computer

7. Remove the tick in front of the [display compatible hardware], and then choose another notebook brand in the manufacturer, for example, the author uses the "Acer" manufacturer, here we deliberately select Lenovo, and then in the model on the right, select any one, and click "Next" after completion

8. Then pop up "It is not recommended to install the driver of this device... Here we directly click [Yes].

9. Restart the laptop to disable the keyboard.

But this one has to go in.

If you have a notebook, it can only be a problem with the keyboard.,Find a master to see if it's basically a software problem.。

I think there is something wrong with your button, if you can disassemble it, take this button off and rub it with alcohol, it may be that it is not good to remove it!

Remarks,Sometimes the computer will automatically receive a letter all the time.,This should be the problem that his key can't be played.。

Maybe you're pressing down on the keyboard or maybe you're not securing the buttons.

1. Open the notebook and double-check whether the keyboard is in good condition.

2. In the case that the notebook keyboard is intact, the keyboard only types the numbers and cannot type the letters because the letters are switched to numbers, then you only need to find the [fn] and [num lk] on the keyboard and then press and hold them at the same time to unlock the switch, when you enter the letters again, there will be no numbers. (The position of these two keys is different on different computers, if you encounter such a problem, you just need to find these two keys on the computer, and then press and hold them at the same time.)

The letters typed in the notebook do not correspond, first antivirus scanning, nothing Trojan poisoning or the like, it is likely to be a hardware problem, let the repair computer check whether the keyboard is in contact with something normal.

The letters typed in the notebook do not correspond, so let's see if there is any Trojan poisoning or something. If not, it is likely to be a hardware problem, and if it doesn't work, you can only replace it.

If the keyboard is broken, if you can't fix it, buy an external keyboard, because it may be more expensive than you buy an external one.

It's usually a broken keyboard, and that's the case with my family.

In two cases, the notebook input method will automatically pop up a letter t. Refer to the following below:

1. There is something on the keyboard pressed against the letter T, so the letter T will always pop up.

2. The letter t on the keyboard is broken, and it will keep popping up.

Test method: buckle the T-shaped buckle. If the t letter does not pop up, it means that there is a problem with the t letter key. Fix it.

Keyboard input method is the necessary input hardware and software for electronic products, usually when the keyboard is excited, there will be output, according to different key code combinations to obtain the required characters or text. When the computer is turned on, the input method keeps outputting a single character, usually the key of the character is stuck, elastic failure, or there are debris in the trigger exposed circuit part, resulting in the character is always in the excited state, and the character is constantly output.