LAPTOP battery saving software

[EmSpecial]

hey guys currently i have HP G42 laptop, i cant put my laptop into power saving mode. it starts lagging i cant even close down a single window. even after that i put my laptop back into high performance mode it still lags so much. the only solution to this is i have to restart the laptop. therefore i need a software which can put my laptop into power saving mode when i am running on battery.

 

[abobobilly]

Kindly mention the detailed specifications of your laptop, along with the OS its running. Also mention its age.

Please keep it mind to post as much info as possible in the opening post to make it as brief as possible. NO ONE will be willing to help you for your issues, if you are not willing to help them to understand your issue.

 

[EmSpecial]

i have HP G42 LAPTOP
i am using windows 7.
no such issue was found in windows 8. its probably 4 to 5 years old.