Lion Battery Management Software seems to be erratic.

The Lion OS X 10.7.2 battery management software appears to be very erratic.
I just brought a new MacBook Pro direct from Apple last week (late 2011, 15", 2.4 GHz, 8 GB 1333 Mhz DDR3, 7500 rpm disc) with Lion OS X 10.7.2 preinstalled, i.e., the latest and greatest. I was only getting 3 hours on a battery charge until it ran out. After searching the forums nothing quite matched (older models, different graphic cards, more constrained systems, Lion software upgrades, etc).
I have the screen brightness set to about 50%, the power option "put disks to sleep whenever possible", and the keyboard set to turn off the light after 30 seconds of non-use. On battery, I have "display sleep" at 6 minutes and "computer sleep" set to 10 minutes. So I am not pushing the power consumption very hard.
I ran a "repair" from the recovery partition and my hard disk had no problems.
So I tried the Reset Power Manager metioned in another thread:
Shutdown
Depress Ctrl+Option+Shift
Power on
Hold for at least 10 seconds
Power on
and that extended my battery charge to 6 hours, not quite the 7 hours advertised. (I even tried it on my mid 2009 Mac Book Pro 13", Snow Leopard OS X 10.6.8 and its battery life was extended by about .67%).
But I started seeing odd reporting in the "time remaining" in the battery icon. The "time remaining" would fluctuate by as much as 20% in a just a few seconds, going either up or down! For example, it would jump from 4 hours to 3 hours, then up to 3.5 hours then up to 4.5 hours, down to 1.3 hours, and back up to 4.0, and so forth whenever I changed the state.
So I watched the "battery charge remaining" over several hours with different states: (WIFI on/off, start/stop applications, turn Thunderbird/Firefox to offline and back to online; Thunderbird is not an issue because I have it set to check for incoming messages every 2 hours not every few minutes) and I monitored using the Activity Monitor and the widget iStat Pro. The cpu was reported to never exceed 2% busy, user+system, and free memory never fell below 5.9 GB with minimwl swapping and paging, i.e. the machine was basically idle even when I had WIFI on with Firefox watching Adobe Flash video from the net, which is purportedly a CPU hog (it is not).
Has anyone else seen this erratic battery software managemt behavior? Does any have an explanation?

I noticed in some archived threads that someone suggested changing "time" to "percentage" because "time" remaining is calculated every few seconds and is very sensitive to changes of state as I noted in my post. I don't see that "solution" as much use because it doesn't tell me "percentage" of what? The amount of charge left? What I really what to know is "how long will my charge last?". 70% of 3 hours is something quite different than 70% of 7 hours. It seems to me that the time remaining ought to be calculated less often. The value is reported in hh:mm. I don't see much point in calculating it every few seconds. Once a minute would actually be more accurate.

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hi, i recently noticed a bunch of new drivers for my x61 (xp pro sp3) so i installed the power manager 1.52. i immediately noticed the battery usage dropping visibly faster than before (about 1% each 2 min on a 6 cell). i remembered when i had win 2k on this thing and it did the same thing after a bios upgrade. back then i reverted to the prior bios and the problem persisted. this was one of the reasons i finally went to xp (this was last year).
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ok, i can confirm its a software issue. the problem was high battery consumption (-1% every two minutes on max batt and dimmest screen) after updates to power manager driver on an x61 running xp pro sp3. reverting to prior drivers would not solve the issue.
the only solution was restoring the system using acronis and problem solved. my battery consumption is normal now.
i think its a combination of drivers and windows updates that breaks the power manager. ive encountered this problem several times under win2k and xp.
the only solution i found is reverting to a prior install or a clean install

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Hello Laurent_14, Sorry for my delay.Thank You for your response regarding the eSettings Software. It doesn't seem to help my situation though. I decided to install Vista on the Laptop so I could run eSettings Mgmt, but as you probably realize finding drivers thast will work with Vista for that Acer Model was impossible.
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Windows 8 - Power Management Software

Hi,
I upgraded to windows 8 on my T420s and have done all updates using Lenovo update utility. I installed power driver for windows 8 but I cannot find the power management software. When will it be released?
I need the software because my batteries are running out in just one hour of use - but i know that they are not dead because they are both new batteries and they shoudl be holding a combined 6 hours of use.
Is there some other utility I can use to let windows reset the battery and relearn its capacity or something like that?
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Hi, ishtech
Lenovo has yet to release the Power Manger for Windows 8, but some users have developed a workaround. Though not supported, it seems that some users have been able to install the Windows 7 power manager (found here) and have gotten it to work by running it in Windows 7 compatibility mode. If it works for you, it should tide you over until Lenovo releases Power Manager for Windows 8. You can find more information on this here on this Lenovo thread.
Hope it helps,
Adam
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Hi,
I have an ideapad S205 with E450 CPU. Everything is fine, except that power management software "forgets" the setting to save the battery (not to charge fully). After while, it sets back to "maximum runtime" setting. This happens with Windows 7 32 and 64bit systems. How could this be fixed? Thanks

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I've written a couple apps for iOS, but nothing major. And now I have a goal of writing my own window manager for OS X. Mainly because I find developing in XCode painful after using Windows Aero/Snap features. Yes, I know about several good existing window managers, but this project seems like a good way to get my feet wet in the Apple OS development arena. I've been Googling around for about an hour looking for answers to these questions, but I'm still not 100% sure on any of them. Here goes:
What is the name for the default Lion / Mountain Lion Window Manager?
X11/Quartz can be restored in 10.7+ to run "legacy" OS X apps. Does that have an effect on the existing window manager?
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Roguish wrote:
Why not? I know tons of stuff applicable to Windows, I'd like to know more about Mac OS. And the best teacher is experience in my opinion.
But writing something like a window manager is hard. Wouldn't you rather start off slowly?
"Snap" is a rather convienient window resizing feature of Windows 7.
I have Windows 7 for running IE 9 to test web sites. It is dog-slow to I avoid it whenever possible.
XCode isn't my problem, the minimalistic window controls in Mac OS X are my problem. But I only have to deal with them in an irritating fashion when I'm coding in XCode
Xcode is pretty-much an all-encompassing environment. You should only have one Xcode window open. Source files are in the editing pane.
I just didn't want to start a flame war over operating systems. I personally don't have an OS preference; if an application I need is only on Mac OS then I'll use Mac OS, if I need to write a document I'll use Word in Win7, if I need to rapidly prototype a script for research purposes I'll use Ubuntu.
This is not Ars or Slashdot. This is Apple-land. Macs rule - end of story. If you try some Mac apps, you might find that Pages does anything Word does three times faster and OS X does anything Ubuntu does, only better.
It's a free country. Could you suggest a better one besides the developer tutorials in the Mac Developer Library? I've written a couple drivers using it, but I can't seem to find the correct wording to locate the current topic in there.
No, it isn't. As I said above, this is Apple-land. You asked about a good project to get your feet wet in the Apple OS development arena. Anything involving X11 would be a very poor project for that purpose because it would not teach you one thing about Apple OS development. If you want to learn about X11, then do something in X11. If you want to write a Mac application, then do that.
Really? What would you call Mission Control then (I finally succeeded with Google)?
You are talking X11-isms. You aren't going to replace Mission Control.
How about Inkscape, the free SVG editor? Which is still in active development. And as of this post requires Quartz to create an X11 window to run in. I'm sure they'll get to updating it eventually, but until then I'd rather not shell out for Illustrator just to make SVG's quickly.
Adobe is not really a Mac development house anymore. They just churn out ugly, expensive cross-platform bloatware. Adobe's idea of an icon is a square with an "A" in it.
If you are looking for quick and easy to use vector drawing tools, the Developer forum might not be the right place to ask. I use Logoist. It's not free but I can create documents faster than you can download and launch Inkscape.
Or maybe you just aren't familiar with what "Window Manager" means.
I know what a "Window Manager" is. If you want to ask something specific, please do so.
I want to code an application for OS X that would allow me to very quickly resize the active window to take up the right half of my screen by pressing command+<right arrow> (or something similar).
Was that so hard?
The only shortcuts similar to what I want (that I use) are command+m (minimize) and command+<down arrow> (open current selection using the default app). Three existing window managers that I know of that seem promising and have nice feature sets are SizeUp, Cinch, and Optimal Layout. But as I mentioned earlier I want to code it myself. As an exercise. To learn.
You could cobble together some AppleScript such as you have already posted. However, that isn't going to teach you anything about OS X development either.
Next time could you be a little less smug (and a lot more helpful) when replying to an obviously new member to the forums?
Only if you meet me halfway. What kind of welcome would I get if I showed up in a Windows forum asking how I could learn about .NET by writing a Linux device driver? And then, for good measure, I call Visual Studio painful because it doesn't support some Mac features that Windows users have never heard of.
This is a different world. There are no window managers and there never have been. Asking about X11 in OS X is like asking about DOS development in Windows. Sure, there are some people who still do that stuff, but I would never suggest anyone start there. X11 is just part of the UNIX compatibility layer - a foreign add-on. Most of the open source is in that layer too. If by "open source" you mean "free software", you should know that free software is pretty much incompatible with the Apple ecosystem and not by Apple's decision.
I suggest you start by writing some applications. Use the Xcode project templates in File > New > Project > Cocoa Application. If you want to start on the command line, do File > New > Project > Command Line Tool > Foundation. Get used to Cocoa and Objective-C.

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SOLUTION:
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Dear Community,
Having just completed a smooth installation of Windows 7 on my 2011 Macbook Pro, I was quite surprised to see that the wireless and ethernet connections didn't work. The computer did not even find any possible connections and I'm missing Wireless Adaptor or any such sort of devices in the device manager.
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But everything else got installed and hardware abstraction, Boot Camp control panel and other drivers and services are now present and running?
surprised to see that the wireless and ethernet connections didn't work. The computer did not even find any possible connections and I'm missing Wireless Adaptor or any such sort of devices in the device manager.
Usually you need to establish a wired connection.
And it is a problem for some, definitely.
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Open Disk Utility>First Aid and run 'Verify' and 'Repair' Disk. That may solve that problem.
Regarding the battery, see if any of the information contained in this article will help:
http://support.apple.com/kb/HT1446
Your software issues may be a reflection of a corrupt HDD. Attend the to internal HDD and then see if the software issues still persist.
Ciao.

Quotes for "Managing Software Engineering" and "Advanced Architectures" course material?

I tried sending an e-mail through NI.com and never got a response, so I thought I'd try the forums.
I'm interested in purchasing the course materials for "Managing Software Engineering" and "Advanced Architectures" as part of my CLA prep. There aren't any courses being taught in my area, and nothing seems to be scheduled for an online course. I couldn't find the information searching through the course pages on NI.com.
Does anyone know how much it would cost to get just the course material for self-teaching?
Thanks.
http://linkd.in/mikele

Hi,
You can purchase the course kits.
Here is a link.
http://sine.ni.com/tacs/app/fp/p/ap/ov/lang/en/ol/en/oc/us/pg/1/sn/n5:selfpaced/
You can go to each link, and within the links there is a link to add the product to the basket, so to speak.
Here is some more FYI, sometimes these links can be a bit hard to find.
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Also, at this link you can look over a schedule of courses for your area and online, it shows them all on one list.   http://www.ni.com/training/
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Hey James,
Sadly, I'm not familiar with any calibration management software that does not require added customization. When you say that you have the calibration history in "decentralized Excel sheets", what exactly do you mean? My thinking is that you can develop your own CMS using the file writing/reading in LabVIEW. If that's not feasible, it seems like you may have to look more into the customized CMS option.
Hope you have a good one!
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