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Computer performace on charge

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linux-howto

http://askubuntu.com – i have Dell Latitude 5420 laptop and yesterday i have istalled 11.10 Ubuntu. All instalation process was done on battery power, so there was no problem on performance. Today i have plugged in my computer and tried to turn on Ubuntu and there is a problem. When computer runs on battery power performace is perfect, but when i plug to charge battery all system slows down and mouse moves very slovly. (HowTos)