some of the push button board key are given up the ghost?

my desktop key 1,2,3,4,7,8 and, at, dollar symbol keys r had it . how do i rectify it

some of the push button board key are given up the ghost?

I'm guessing it's just that the springs are busted or something. I construe the only means of access to fix that is to buy a modern keyboard.
Try using upright cleaner to clean out any dust or other unwanted materials that may be blocking the key from working.



You may need a untried keyboard, how antiquated is the one you have?
economically it could just be the upright or it can be the computer because as u type the information goes into the processor and something could be wrong near that part of the PC. so try the contemporary keyboard and if that doesnt work, after try a keyboard that plugs into a usb port. that will usually fix it.
If your computer is out of commission properly while you are working on it, it could be a problem with device drivers, hardware or software.

Detailed instructions at http://tinyurl.com/yk5zpr