Windows

Save energy with a good power plan for a Vista notebook

Greg Shultz shows you the proprietary power plan settings on his ASUS notebook running Microsoft Windows Visa and explains how they work and can be applied to any notebook.

My Windows Vista laptop bit the dust last week due to an unfortunate accident, and I was forced to make a decision about my next portable system. As I mentioned in last week's article, I have been toying with the idea of getting a netbook. However, I always had planned that my portable computing environment would consist of both a laptop and a netbook.

Since I would really like to buy a netbook with Windows 7 on it -- whatever version Microsoft decides they will put on netbooks -- I decided to get another Vista laptop for now.

The laptop that bit the dust was an ASUS F3 Series system that I really liked a lot. So, I put out some feelers, and through a friend of a friend of a friend, I was able to find a slightly used one just like it -- same model and same hardware configuration.

After I installed Vista Ultimate and restored my data, I began configuring the system to make it look and feel as much as possible like my old one. I'm a creature of habit, and I really wanted this one to be just like my dearly departed laptop.

As I was tweaking various settings in the Control Panel, I started investigating the Power Options tool and began to realize that I hadn't spent as much time working with the power plans on my previous laptop. Because Vista allows computer and peripheral manufacturers to add proprietary power plans and settings to the Power Options tool, you can really tweak Vista's power plans based on the hardware in your laptop.

In this edition of the Windows Vista & Windows 7 Report, I'll show you the proprietary power plan settings on my ASUS laptop and explain how they work. While these power plan settings are designed for this ASUS laptop, they are representative of the types of power plans that other manufacturers create for their laptops.

This blog post is also available in PDF format as a free TechRepublic download.

The preferred power plans

When you double-click on Power Options in the Control Panel, you'll see the Power Options page, shown in Figure A. As you can see, there are seven power plans to choose from -- four proprietary ASUS Power4Gear power plans and Vista's three default power plans.

Figure A

The Power Options page presents three default power plans and four proprietary power plans to choose from.

Each of the three default power plans provides you with an at-a-glance graphic ratings for quickly determining the energy savings and performance of each plan.

  • The first one is the Balanced power plan, which is designed to offer full performance when you need it and save power during periods of inactivity.
  • The High Performance power plan is designed to maximize system performance and responsiveness, but it will do almost nothing to save power.
  • On the other end of the spectrum is the Power Saver plan, which saves power by reducing system performance and is designed to help laptop users get the most from a single battery charge.

The four proprietary ASUS Power4Gear power plans do not have the same graphic ratings, but they are similar to the default power plans, with the added benefit of being specially tuned to the hardware included on the motherboard of this system.

Customizing power plan settings

Under each one of the power plans, you'll notice a link titled Change Plan Settings. Clicking this link takes you to the Edit Plan Settings page, shown in Figure B. Each one of the power plan's Edit Plan Settings pages contain the same controls, but the settings are different.

Figure B

You can alter many of the settings in each of the default power plans.

On this page, you can alter the amount of idle time that must elapse before Vista turns off the display and puts the computer into sleep mode when running on battery and when plugged in to an electrical outlet -- just click the drop-down menu and select a time. You can also determine how much power the laptop monitor consumes by using the Adjust Display Brightness slider.

You can access more granular configuration settings by clicking the Change Advanced Power Settings link, which displays a Power Options dialog box with a single tab titled Advanced Settings, shown in Figure C.

Figure C

The Advanced Settings dialog box allows you to control power usage on a large number of devices in your system.
As you can see, in addition to the more common power settings, there are a host of power-consuming devices for which you can adjust settings. For example, you can regulate how a wireless adapter consumes power by choosing maximum performance or low, medium, or maximum power savings, as shown in Figure D.

Figure D

Windows Vista allows you to adjust power-consumption settings for a host of power-consuming devices.

Hybrid Sleep mode

Under the Sleep heading in the Advanced Settings dialog box you'll find a setting called Hybrid Sleep, as shown in Figure E. This is the new sleep mode first introduced in Vista and is designed to combine the resume speed of Standby mode with the power savings of Hibernate mode. The combination manifests itself by reducing the system to a deep hibernation state, yet the system will wake up just a few seconds after you press the [Spacebar].

Figure E

Windows Vista features Hybrid Sleep, which offers a combination of high energy savings and high performance.

In addition to configuring the system to go into Hybrid Sleep mode after a period of inactivity, you can manually induce Hybrid Sleep from the Start menu. By default, clicking the Shut Down button, which appears at the bottom of the Start menu, will actually put the system into Hybrid Sleep mode. To really turn off the computer, you must access the Shut Down command, which appears on a fly-out menu.

What's your take?

Have you configured Vista's power plans and enabled Hybrid Sleep mode on your laptop? What is your experience? Have you noticed a better balance between performance and power consumption? Does your battery last longer? As always, if you have comments or information to share about this topic, please take a moment to drop by the TechRepublic Community Forums and let us hear from you.

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About

Greg Shultz is a freelance Technical Writer. Previously, he has worked as Documentation Specialist in the software industry, a Technical Support Specialist in educational industry, and a Technical Journalist in the computer publishing industry.

12 comments
rpb_
rpb_

I thought Hybrid Sleep would be pretty handy but I've had mixed results. Sometimes it works perfectly, waking up in 5 seconds or so (although going into Hybrid Sleep mode takes quite a while as it has to write 4GB of RAM to disk first). However, often if I put the laptop to (hybrid) sleep and leave it that way for an hour or so, then it fails to wake up, sometimes requiring me to force a power down. Sometimes it whirs and then stops with the Caps Lock, Num Lock and the other light on. Sometimes it whirs a bit and then turns itself off again. This all happens even if I have left it plugged in and charging whilst it was asleep. If it fails to wake properly then getting it working again takes significantly longer than it would have done to shut it down and boot it up again! I guess I need to contact Dell Support...

cleirens
cleirens

I think I'll have to folow up on this advice first and find out wether or not... Before I can tell you what I think. Still much obliged!

planetearth
planetearth

As I found out when I went to review my power options, deleting the (often unused, but very large) hibernation file effectively disables Hybrid Sleep and Hibernation. To get them back, go to the Command Prompt and enter "powercfg -h on". Reopen the Power Options screen, and you should now see options for Hybrid Sleep and Hibernation. I hope this helps, and I thank Greg for all the useful, informative articles he's written!

alexisgarcia72
alexisgarcia72

i love the hybrid sleep because the pc goes off and on very quickly buy in my vaio laptop the sleep option drain my battery completely. why? sleep mode must hibernate the suspended pc or laptop after certain ammount of time!

neil.harley
neil.harley

Why do these blogs get taken up with the most basic of write-ups? Do tech staff really not know how to configure the power options? Sheeesh! What a waste of space this blog was

fkowal
fkowal

Wait a minute here.. the aricle is not finished. Greg you wrote "I?ll show you the proprietary power plan settings on my ASUS laptop and explain how they work" There is no explanation on how your power plan works, I was expecting things to show like, You set this to Minimize power becasue its barely allow the connection to still be able to be picked up.

Mark W. Kaelin
Mark W. Kaelin

Do you set the power options for the users in your enterprise? Do you let the users set the power options? Have you configured Vista's Power Plans and enabled hybrid sleep mode on your laptop? What is your experience? Have you noticed a better balance between performance and power consumption? Does your battery last longer?

franharry2
franharry2

Not sure if someone else has experienced the same problem of this laptop model freezing and refusing to wake up from hibernation until it is completely powered down. I heard there is a driver now available to resolve the problem.

blackmonoffive
blackmonoffive

Please remimber TechRepublic is for everyone. Beginner and Expert. If this is such a waste of time for you why are you using more of your time repling.

Shaunny Boy
Shaunny Boy

I thought this blog was useful, and I have an abundance of knowledge in Windows administration and development. The hybrid sleep mode in particular, since I hate having to sit around for ages whilst my laptop wakes out of hibernation, but then I guess the compromise would be a shorter battery life against the full hibernate mode. But then, I'm only guessing here, so Neil, what would be your take on this?

pdr5407
pdr5407

Because I sell laptops and they are on display, I usually set them to the Performance Plan that is always on, when plugged in. Over night they are turned off and I have not had any issues. I think that the Vista OS has an improved power options than XP.

frank_s
frank_s

You didn't mention that not all BIOS'es support hybrid sleep. Also to enable Hibernate it may be necessary to run powercfg from a command prompt--see Microsoft Knowledge Base article 928897 for more information on that.

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