Chosen Solution
But if I hold down the keys simultaneously, it fixes it temporarily. To clarify, the “offending” letters are T, Y, U, I, and O. Note where they are on the keyboard.
OK, This sounds like a swollen battery issue. Lets check the batteries condition run this gem of an app: CoconutBattery. Paste a screen shot of the main window here for us to see. Adding images to an existing question
Try to restore software after full Backup if not work you need to take your laptop to a professional.
