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Windows 7: Asus G73SW slows down when running on Battery

23 Jul 2011   #1
vinc5089

Windows 7 Home Premium x64
 
 
Asus G73SW slows down when running on Battery

Hi, I was just wondering if it's normal for my laptop to slow down when it's running on battery. When I play Mass Effect 2 using AC, everything runs smoothly, bu when I am running on batter, it's a little laggy.


My System SpecsSystem Spec
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23 Jul 2011   #2
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

I wouldn't suggest trying to play high requirement games on batteries.
Most laptops are set to throttle themselves in order to save battery life when unplugged.
These settings can be found in the control panel.
Under power options.
You can probably fix the problem but battery life could be cut down to as little as 20 or 30 minutes if left on full blast.
My System SpecsSystem Spec
23 Jul 2011   #3
Brink

64-bit Windows 10 Pro
 
 

Hello Vinc, and welcome to Seven Forums.

Double check each of your Advanced Power Plan settings to see what you have set for the "while on battery" options. One item to check for sure is that your "Processor power management" may be set to have a lower "Maximum processor state" while on battery.

Indeed for games, you would want to be plugged in though for the reasons David posted above.

Hope this helps,
Shawn
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23 Jul 2011   #4
vinc5089

Windows 7 Home Premium x64
 
 

Thanks for the reply guys. Wait, so basically, you can play games on Max Settings when plugged in, but you can't play games in Max when using battery?
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23 Jul 2011   #5
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

You can do it like I said, but it will completely destroy the battery life.
When gaming on a laptop it's best to have it plugged in and on a cooling pad.
Laptops don't dissipate heat as well as desktops do. For that reason you should always be thinking about managing the heat.
I'm sure you've noticed it getting really hot when playing me2, you can probably feel it through the keyboard.
My System SpecsSystem Spec
23 Jul 2011   #6
Brink

64-bit Windows 10 Pro
 
 

Quote   Quote: Originally Posted by vinc5089 View Post
Thanks for the reply guys. Wait, so basically, you can play games on Max Settings when plugged in, but you can't play games in Max when using battery?
Yes, you can play games on battery with max settings, but as David posted, you're battery will drain faster and will not last long before needing to be charged.
My System SpecsSystem Spec
23 Jul 2011   #7
arkhi

Windows 2000 5.0 Build 2195
 
 

Do you have Power4Hybrid? it's a software from Asus that enhances Windows 7's power panel. You should download it as it's the one that make the "performance" button on the upper left corner of your laptop work. If you do have it, it's also set to be on power saving mode when you run on battery, so make sure you set the power options appropriately.

I'm a G73 owner myself and I don't really have any problems with it.
My System SpecsSystem Spec
24 Jul 2011   #8
vinc5089

Windows 7 Home Premium x64
 
 

I think my computer underclocks its graphics card when running on battery, to save battery life.
My System SpecsSystem Spec
24 Jul 2011   #9
arkhi

Windows 2000 5.0 Build 2195
 
 

NOTE:: It's actually Power4Gear Hybrid (ASUSTeK Computer Inc. -Support- Drivers and Download P4GHybrid)

And yes, it's normal for laptops to "underclock" themselves on battery. I tried it on my G73 and it also throttles gaming on battery power, to my dismay

My research indicates that the one resposnisble for this is Intel's SpeedStep technology, one that is quite independent of the OS. So no matter what setting you have in power management (I tried changing them to use 100% Min/Max CPU performance), your CPU will get throttled.

I have a G73SW-XN2, and on my experiment my GPU stays 100% clocked (no unders or anything) so it's fine. The problem was my CPU. It basically downclocks to 750-ish MHz on battery power. I tried to find some software to disable SpeedStep (or at least control it), but the only one available is SpeedSwitchXP which is, well, for WindowsXP. Apparently it should be controllable in the BIOS, but I can't restart at the moment to confirm it.

I hope this info helps.
My System SpecsSystem Spec
25 Jul 2011   #10
vinc5089

Windows 7 Home Premium x64
 
 

Thanks for the reply arkhi, I was starting to worry that my laptop is having problems.
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 Asus G73SW slows down when running on Battery




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