MacBook Pro - After Battery dies I'm not able to type in login window, until forcing a restart

Hi, as mentioned in the header : MacBook Pro - After Battery dies I'm not able to type in login window, until forcing a restart
After the battery drains to 0% the computer switches off.... *Makes sense*
Once I put the charger power chord back in for an extended period of time I hit the power button and then see the login screen.... *Makes sense*
However it won't let me type into the login box therefore having to force a restart and lose any saved data or data open when it died of battery. *WEIRD*
This happens every time my computer runs out of battery. I understand that obviously not letting the laptop die is a good idea, however it seems like there is something wrong as it allows me to login yet won't let me type anything...
Any solutions? Anyone else experience this?
I have an early 2012 MacBook Pro - 15 Inch Screen.

Hi s4mboy,
Thanks for visiting Apple Support Communities.
I'd start with resetting the SMC and PRAM on the MacBook Pro:
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/ht3964
OS X Mountain Lion: Reset your computer’s PRAM
http://support.apple.com/kb/ph11243
Cheers,
Jeremy

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MacBook Pro - After Battery dies I'm not able to type in login window, until forcing a restart

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