Acer laptop wireless problem

  Hazzar 10:16 23 Mar 2009

My son has bought a new Acer laptop mod.5735-644 running Vista.
When he is connected to the internet via wireless with the computer on mains all is o.k.but as soon as he tries to use the laptop on just battery power the wireless connection is lost.
According to Acer f.a.q. section this has something to do with power saving but they do not say how to the change settings.
Can anybody point me in the right direction?
Thank you,

  MAJ 10:34 23 Mar 2009

You should have the Acer ePower Management option in there somewhere. click here

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