How do I fix a keyboard or certain keys that are not working on my PC? - Step by step guide

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

But don't worry about it, because there are some methods to fix these issues yourself, and you can even check the operating status of an online keyboard . Some of these errors commonly occur in keyboards and may even lead you to think that it is some kind of problem that the configuration this in the system, but it turns out that it is something simpler.

How to solve the problems of a PC key?

To solve the problems of a key on the PC, you need to follow the following steps:

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

How to fix bugs in a PC keyboard?

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

• Open the keyboard Carefully using the screwdriver, remove the membrane from the keyboard and look at the part that contains the PCB that counts.
•  Then it is necessary to clean the entire membrane, using the circuit cleaning fluid and wait for it to dry. You should look at the circuit in detail to be able to identify where the damaged or dusty segments are.
• As soon as you identify the problem, you can use multimeter by placing it in one of the nodes to measure resistance.
• Then you need to use the conductive paint using needles so that the circuit lines are fine.
• Finally, you need to use the multimeter to measure the electrical flow , if the result is close to 0 it is better, because the continuity of the circuit is in good condition.
• do not forget to close the keyboard and connect it to the computer to verify that the keyboard is functioning normally.

Find out some of the reasons the keyboard may be faulty

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

THE humidity is another critical factor causing device failure . Care should be taken in the location of these keyboards, as moisture can cause sulfation, causing complete interruption of current flow.

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

At the same time, you need to make sure that keyboard and computer are not in dusty spaces . Avoid eating food on it, try not to place the device in ventilated spaces so that the humidity does not cause damage, and if the keyboard has been wet, the ideal would be to turn off the equipment and disconnect it immediately to let it dry and avoid further damage.