Windows 7: Battery killer?
We're talking with Brad Linder from Liliputing, who reports he, and a few other notable names in the netbook space, have had issues with Windows 7 knocking a fraction of battery life off of Intel Atom-based netbooks. He reports the difference is usually 30-60 minutes, so on some longer-lasting netbooks it wouldn't be as noticeable, but on shorter-leashed sub-notebooks, the difference will be more apparent. Check out the show as Brad explains the situation.
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I installed windows 7 Ultimate on my Hp pavillion laptop dv6426us. Its 3 years old and it came with Windows Vista and it was a battery drainer. I could hardly last 1 hour when I had vista, now with windows 7 I got 3 hours and some times up to 4 hours provided I close the wifi and keep the brightness down a little, while I am taking notes. Its improved my systems performance significantly and my battery life. I don’t know why other laptops are getting their battery drained. Maybe they should change their battery, maybe then they would probably see a change because in the case of older laptops, their battery was being drained constantly when vista was on them and by the time windows 7 is installed the batteries are used to discharging a lot of power and thus low battery life. My recommendation would be to change their batteries.
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