How to Fix or Repair a Keyboard with Wet or Not Working Keys

One of the fundamental tools that cannot be missing from our computer is the keyboard, and sometimes they are usually presented failures in its operation. It may be that at some point the keyboard of your PC has been stuck and that is why you think that it is a problem when the Windows operating system freezes, but in most cases it is external errors due to use.

However, it is not necessary that replace your keyboard with a new one, because you can fix it with a series of practical tips that we are going to provide you here. Since the malfunction of the same does not necessarily imply that there is something wrong with the computer or with the Windows system itself, so do not make decisions in a hurry and put into practice the advice that we will provide you.

Instructions to repair the keys that do not work on a computer

Whether your keyboard got accidentally wet or there are faults where pressed letters are not recognized, You can appeal for options like doing a circuit repair in case you’ve already tried everything and nothing works. For this, you have to be cautious so follow each instruction to the letter.

The first thing is that you find the following materials: a digital multimeter, screwdriver with a blade and a flute, cleaning liquid for electronic elements, cloth or cotton, graphite pencil. When you have everything, you have to proceed to open your keyboard with the help of both screwdrivers in order to remove the case.

Next, you are going to remove the membrane that covers the keyboard and focus your attention on the part that has the printed circuit. Now, you are going to clean it with the liquid that we mentioned above and wait for it to dry. You then need to look at the circuit to determine which segments are not working as they should.

When you do this, you will proceed to use the multimeter placing it on any of the keyboard nodes to measure the resistance of the same. If you perceive any failure when doing this, you will repair the segment that is damaged with the graphite pencil and the fine brush, passing it over the surface with great care.

How to verify that the procedure was successful

For this, you are going to use the multimeter again, placing it to measure the resistance in “Ohm” so that you can observe the places that have a good electrical flow, so what you should pay attention to is that the result is as close to zero.

In this way, you will be able to check the areas that have greater continuity, so if any have a value greater than 1, it is possible that something is wrong, since ideally is that the values ​​approach 0. Before carrying out this process, it is vitally important that the keyboard is completely dry to avoid any inconvenience that may arise.

Finally, you have to reassemble the keyboard, placing its respective membrane and connecting it to the computer to check that all keys are working properly. In any case, if you are afraid of doing all of the above, you can opt for the services of a professional technician in case you have any doubts.

Helpful Tips to Avoid Keyboard Problems

In order for the useful life of your keyboard to be long, you must prevent damage and the best way to do it it is through basic care, not only the keyboard but the PC in general. One of the main recommendations that we will give you is that you avoid as much as possible placing your keyboard in places that have a higher concentration of dust. If you have a laptop, you can use a PC fan to prevent it from overheating.

It is also important that the keyboard is away from places with high humidity. In case water has been spilled on it, you have to disconnect it and clean the area with great care to later check for serious damage. It should be noted that if at any time you present problems also with a gaming mouse, you can take it apart and clean it to fix the fault.