Laptop keyboard single keys not working?

th
3

On my 4-month-old notebook sometimes the keys e, y, n and the ctrl key don't work. Sometimes after a long wait they work for a relatively short time and then again not.

What can you do about it?

no

Buy a new keyboard and connect it with a USB plug.

Se

Then you take off the keyboard caps and let the tug infant do its work.

th

Unfortunately it didn't work