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I have a new Lenovo B575 and so often when I go to log on, it allows me to type in my password but the enter key or clicking the arrow doesn't do anything. It goes nowhere. I can't even do a Control+Alt+Del. I'm always forced to hold down the power button and reboot, which I imagine can't be a good sign. Why would the password screen freeze?

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You say it happens so often, does it happen when you power on or does it happen when you come back from it sleeping/hibernating/screensaver? – Raystafarian Feb 11 '12 at 22:19
    
it happens when i come back from sleeping/hibernating/screensaver – Stacy Feb 11 '12 at 22:47
    
So it's probably a process that's running. It never happens when you initially boot, that's correct? – Raystafarian Feb 11 '12 at 22:57

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