laptop won't boot up after uninstalling commview wifi

Hi..

My win 8 laptop was working fine till now. I just uninstalled com view WiFi and restarted it.
After the HP logo..the win 8 logo won't show up even after waiting for 20 mins...
Shift F8 isn't working...
HDD light is on for the entire 20 min duration...


Plz help me...
Thanks!!