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Does using an external display via HDMI drain laptop battery faster?

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Post time: 2014-04-02 07:55:01 |Alle Beiträge dieses Themas
Hello ,

I own a Toshiba Qosmio X775, it gives me a battery back up of around 5 hours with W8 64-bit.
However, today I connected it to an external monitor (Toshiba) while watching a movie and it gave me a battery back up of just about 2 hours.

At first, I thought it may be my antivirus which might be causing it, but I checked the last acitivities in my BitDefender and it didn't do anything  during the time I was watching the movie. utorrent was continuously on and downloading a couple things via wifi but that is about it. The bluetooth was disabled and there were no other external devices conected at the time. Windows updates or scan(s) were not running either.

I just want to know if this is normal or if I should be worried to buy a new one(How about the Toshiba Qosmio X775 batterij on the shop).

Thank you   

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