Dear Ramnarayan, Thanks for replying me, 1) I installed Ubuntu 'Within Windows' (WUBI), because I have only one partition, and I got a genuine Windows.
2) battery icon is not visible, then I went to Power Management from system sub-menu, there I changed display option, the icon appears and not responsive to charging changes, 3) dear, I already tried alsamixer by bringing some changes, but with out use, can we do some thing with the help of gdm2 configuration settings....................... Regards........
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