Gallery: ASK A TECH GEEK: What Are Some Easy Ways to Reduce My Laptop’s...


Each week renowned gadget expert Peter Rojas from gadget Q&A site answers your questions about green technology in our Ask A Tech Geek Series. Read on for this week’s installment and submit your questions below!

QUESTION: What are some easy ways to reduce my laptop’s energy consumption?

– submitted by Cliff Champion

PETER ROJAS: There are definitely a few very simple things you can do to reduce your laptop’s energy consumption and extend its battery life. Here are my suggestions:


Turn down the brightness on your screen. The screen is one of the biggest power hogs on a laptop and reducing the brightness even just a bit will help. Read on for the other 4 super easy tips.

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  1. joseph.agg33 July 10, 2011 at 7:53 pm

    The screen on most computers draws at least 50% of the power used…So, as Mr. Rojas said, turning down the brightness really helps with overall battery life and energy consumption.
    I always use the lowest brightness possible when indoors, and since my eyes are adjusted to lower brightness, I don’t notice any difference. Also, if you get eye fatigue after using your computer for some time, try turning down the brightness to help. Technically you are looking at a light source and this tends to fatigue the eyes.

  2. Kestrel Jenkins July 8, 2011 at 5:12 pm

    This is really helpful — definitely important things to think about to keep that battery charged longer!

  3. Cliff Champion July 8, 2011 at 2:04 pm

    Thanks so much! I’ve been wondering about this for a while. I had no clue that my laptop usage was so inefficient…

  4. Jessica Dailey July 8, 2011 at 1:17 pm

    Reducing screen brightness saves so much power on my MacBook. In fact, I’ve gotten so used to a dimmer screen that it drives me crazy when people have theirs on full brightness!

  5. Mike Chino July 8, 2011 at 12:53 pm

    These are great tips! Apparently WiFi does consume a significant amount of energy, so researchers are working on energy management software that could make it much more efficient – more here:

  6. Yuka Yoneda July 8, 2011 at 12:48 pm

    I think the power saver is a great tip. You hardly notice any difference in performance so it’s a no brainer.

  7. Andrew Michler July 8, 2011 at 12:48 pm

    I never cared for Flash but never realized it was sucking my battery so much.

  8. nicoleabene July 8, 2011 at 12:19 pm

    I would have never thought of this stuff on my own! Thanks!

  9. Diane Pham July 8, 2011 at 11:56 am

    great tips, particularly about the screen. it’s definitely a major draw, but even at a seemingly low setting your eyes adjust quickly enough to manage the change.

  10. JasminMC July 8, 2011 at 11:48 am

    Thanks for those tips; I’ll have to tell my husband that bit about playing games 😉

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