How to fix a keyboard or some keys not working on my PC?

The keyboard is an instrument that contains a set of letters which are used to write and have control of the computer, we can even put a virtual keyboard on the computer screen . These are not easily damaged, but sometimes they can present certain types of errors that can cause a problem when using it.

But you should not worry about that, since there are some methods for you to solve these problems yourself, and you can even check the status of the operation of a keyboard online . Some of these errors commonly occur on keyboards and can even lead you to think that it is some kind of problem that the configuration is presenting in the system, but it turns out that it is something simpler.

How to fix the problems of a PC key?

To fix the problems of a key on the PC, it is necessary to follow the following steps:

  • Disconnect and reconnect the device from the computer.
  • Then you must restart it , since in many cases the keys stop working due to a bad connection.
  • It is recommended that you go to the website of your keyboard manufacturer and update the device driver , so that you can download and later install the latest update for your driver.
  • Then, disconnect and check your keyboard connector; Remember that the PS / 2 connector has six hooks, if they are bent you must straighten them carefully, as they are very delicate. You should bear in mind that if you have a broken hook, the ideal would be to buy another keyboard.
  • Try trying another word processing program , because in some formats the keys may not work correctly.

How to fix the bugs in a PC keyboard?

You must perform a circuit repair which is very delicate. If you do not feel qualified, the ideal would be to consult a technician. For this procedure, you must have a digital multimeter , a screwdriver, cotton and conductive paint . The steps to follow are those:

  • Open the keyboard carefully using the screwdriver, remove the membrane from the keyboard and look at the part with the printed circuit that is the one that matters.
  •  Then, it is necessary to clean the entire membrane, using the circuit cleaner liquid and wait for it to dry. You must look at the circuit in detail to be able to identify where the damaged segments or those that contain dust are.
  • As soon as you identify the problem, you can use the multimeter , placing it in one of the nodes to measure the resistance.
  • Then you must use the conductive paint, using needles so that the circuit lines are well.
  • Finally, you should use the multimeter to measure the electrical flow , if the result is close to 0 it is better, since the continuity of the circuit is in good condition.
  • Remember to close the keyboard and connect it to the computer to verify that the keyboard works normally.

Find out what are some of the reasons why the keyboard may fail

Keyboard failures are very common and have different origins. Most of these problems are due to excessive dirt that these keyboards can have, such as: dust, debris and other small elements, they cause these failures, damaging the keyboard circuits.

Another critical factor causing device failure is humidity . Care must be taken where you place these keyboards, as moisture can cause sulfation in them, causing complete interruption in current flow.

At the same time, if you are not careful and wet the keyboard, you can damage the device board. But you can take care of preventing all these inconveniences.

In turn, you must make sure that you do not have the keyboard and computer in dusty spaces . Avoid eating food on it, try not to have the device in ventilated spaces so that humidity does not cause damage, and if the keyboard has been wet, the ideal thing is to turn off the equipment and disconnect it at once to let it dry and thus avoid more damage.

 

by Abdullah Sam
I’m a teacher, researcher and writer. I write about study subjects to improve the learning of college and university students. I write top Quality study notes Mostly, Tech, Games, Education, And Solutions/Tips and Tricks. I am a person who helps students to acquire knowledge, competence or virtue.

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