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  1. #1
    Parallels 5 on MBP, Battery

    Member Since
    Jun 24, 2009
    Location
    UK & Spain
    Posts
    27
    Specs:
    mbp2.2G core2D, 4g ddr2, 750g, 1TB external, 80g I-Pod,iPad2 16g
    Parallels 5 on MBP, Battery
    I had XP sp3 installed via Bootcamp and everything was fine but I found having to close down Windows and restart OS X whenever I needed to be there and vice versa, a pain in the ...... . So when macupdate included Parallels 5 in an offer for $49.99 it was too good to miss. And yes, it's a good way to have XP on your MAC. I have 4gb of Ram and have had no device issues at all....BUT.... oh boy doesn't it suck power out of your battery.

  2. #2
    Parallels 5 on MBP, Battery
    Raz0rEdge's Avatar
    Member Since
    Jul 17, 2009
    Location
    MA
    Posts
    8,184
    Specs:
    27" i7 iMac, 24" iMac, 13" Macbook Air, iPhone 5 & 5S, iPod Nano 7th Gen, iPad 2 16GB WiFi, iPad 3
    I use VirtualBox on my iMac so battery life isn't an issue for me..but is this something specific to Parallels or XP??

    Regards

  3. #3
    Parallels 5 on MBP, Battery
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    45,217
    Specs:
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, Yosemite
    That's news to me.... Why would running Parallels 5 or any other virtual software have an adverse impact on battery life?

    Regards.

  4. #4
    Parallels 5 on MBP, Battery
    sau124's Avatar
    Member Since
    Feb 18, 2010
    Posts
    177
    It works like a charm for me and never had battery issues, are you running a lot of processor/memory hogging applications in Windows via Parallel?
    up there with the bEst of the bEst....

  5. #5
    Parallels 5 on MBP, Battery

    Member Since
    Jun 24, 2009
    Location
    UK & Spain
    Posts
    27
    Specs:
    mbp2.2G core2D, 4g ddr2, 750g, 1TB external, 80g I-Pod,iPad2 16g
    Quote Originally Posted by sau124 View Post
    It works like a charm for me and never had battery issues, are you running a lot of processor/memory hogging applications in Windows via Parallel?
    No, I don't think so. I have just been using the OS and Nokia's Ovi programme as my old phone won't talk to MAC OS. And nothing too strenuous going on under Snow Leopard. The bottom of the MBP also gets very warm when I'm running windows under Parallels 5 - which is, of course, why the battery gets used up. But why is this happening?

    (By the way, thanks for your interest)

    Don't get me wrong - it works fine it is just the battery/power consumption issue that's tasking my brain.

  6. #6
    Parallels 5 on MBP, Battery

    Member Since
    Jun 24, 2009
    Location
    UK & Spain
    Posts
    27
    Specs:
    mbp2.2G core2D, 4g ddr2, 750g, 1TB external, 80g I-Pod,iPad2 16g
    I think I now have the answer to my question. Why does my battery run down so fast when using Windows in Parallels?
    Today, I popped into an Apple Store and one of the guys there said that probably the reason is that I am effectively supplying two computers from one battery - two lots of OS's and two lots of hard disk. That's why when I start Windows I hear the already running HD make the startup growl I get when I start up Mac OS and why the bottom gets hot due to the processors running two OS's.

    Any other observations?

  7. #7
    Parallels 5 on MBP, Battery
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    45,217
    Specs:
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, Yosemite
    Whoever told you that is piling it on.... Even though you're running Windows on top of OS X, you're still only using one operating system and one computer. The Windows "hard drive", "CPU", and all other Windows hardware is virtual and is actually one large file being run under OS X.

    Go back to the Apple store and ask them to try again....

    Regards.

  8. #8
    Parallels 5 on MBP, Battery

    Member Since
    Feb 12, 2008
    Posts
    937
    Agreed - that was a line of BS. Apple geniuses are not particularly supportive (in my personal experiences) of issues arising from using other operating systems on the Mac, even though it's one of the great selling points of the OS. They typically make things sound worse than they really are.

    Cheers

  9. #9
    Parallels 5 on MBP, Battery

    Member Since
    Jun 24, 2009
    Location
    UK & Spain
    Posts
    27
    Specs:
    mbp2.2G core2D, 4g ddr2, 750g, 1TB external, 80g I-Pod,iPad2 16g
    Thanks guys. I can see what you're saying but surely two OS's, because you are running Snow Leopard and Windows together, must consume more power. After all, you can't get something from nothing. So if you ask a processor to work with two systems......or am I missing something?

  10. #10
    Parallels 5 on MBP, Battery
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    45,217
    Specs:
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, Yosemite
    Yes, I think you are missing something... You're not running two operating systems, you're only running one. You're running OS X and Windows virtually. Remember, Parallels 5 is a Mac OS X program, so in effect you're running it and a large file which contains your virtual Windows.

    Regards.

  11. #11
    Parallels 5 on MBP, Battery

    Member Since
    Jun 24, 2009
    Location
    UK & Spain
    Posts
    27
    Specs:
    mbp2.2G core2D, 4g ddr2, 750g, 1TB external, 80g I-Pod,iPad2 16g
    You are quite right. And I have found this link Battery Optimization? - Parallels Forums
    which explains it for me. In a nutshell "When you run Parallels Desktop, additional CPU load occurs, thus battery is serving less time" (a parallels team member).

    Cheers

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