Chosen Solution

My T and Y and back space Keys stop working after being idle. they will work after rapidly taping them once they start working its fine but as soon as it goes back to idle i need to tap them rapidly again. windows 8.1 TS: ive done power option high performance turned off sticky keys uninstall reinstall keyboard drivers installed manufacture drivers popped off each key and cleaned system refresh

Has there been any liquid spilled on it? the rubber pads under the keys may be worn out.