I had been struggling to fix it for a long time but today I am able to fix it
Simple, all you need to do is download and install HP Client Security Manager @ http://h20564.www2.hp.com/hpsc/swd/public/detail?sp4ts.oid=6893667&swItemId=vc_158160_1&swEnvOid=4158.
Once you install HP Client Security Manager, open the application and follow instructions to scan couple of your fingers and use the same instead of typing the password…
Note: I am using HP ProBook. This version of HP Client Security Manager is compatible with most of the HP laptops but you have to check!