KEYBOARD DOES NOT WORK PROPERLY

SEVERALS KEYS OF MY WIRELESS KEYBOARD SUCH -A-  -S-  AND OTHERS TDO NOT WORK ANYMORE.  I NEED TO REPLACE MY KEYBOARD? IT BELONGS TO A HP TOUCHSMART 520 PC

It's possible that there is debris under the keys which is preventing them from functioning. If so, this can be solved using one of the following methods:
Blow out the debris using compressed air
Remove the keys, clean underneath, then re-attach keys
Hope this helps.

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