Keyboard keys not working

Last Sunday I had problem with keys; question mark, slash, zero ,hyphen,close paran. I shut the computer down by unplugging the battery, waited 5 minutes and rebooted, it worked. Yesterday the problem came back after I had shutdown Sunday night and rebooted Monday. Battery reset did not work Monday. I tried to restore to previous checkpoint but Windows did not recognize my password for safe mode no matter how many times I changed it; the password worked elsewhere. F8 did not work to invoke safe mode. I spent 6 hours last night and morning. Trying to fix. Ran Malware and Webroot; neither found virus. HELP

Hello dmd1dee

Apologies about the delay in getting to your topic. Do you still require help?

a lack of response,