cpu usage and near to crash when i plug in the power cable

Posted by mohamad on Ask Ubuntu See other posts from Ask Ubuntu or by mohamad
Published on 2012-11-23T10:07:46Z Indexed on 2012/11/23 11:15 UTC
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12.10

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crash

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cpu

i have had this problem since i installed ubuntu 12.4 on my laptop (on all of distro i have this problem execpt of backtrack)

my problem is when i start my linux while it connect to power source there is no problem everything works fine . but when i disconnect and wants to work with battery it crash i mean everything work tooooo slowly and my cpu usage goes to 100 ...

it happen too when i start my linux with battery and want to connect the power source to it .... it happens again .

i updated my distro and now on i have 12.10 on my laptop but it has this problem .

my lap top is hp probook 4520s

my graphic card is ati radeon 530 v

and i installed catalyst control center on my lap top and it works fine but the only problem is that what i said ...is it relate to my graphic card ???

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