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• Your life will some day end; ACTA will live on

  <b>ars Technica:</b> "The Anti-Counterfeiting Trade Agreement (ACTA) isn't just another secret treaty&#8212;it's a way of life. If ACTA passes in anything like its current form, it will create an entirely new international secretariat to administer and extend the agreement."

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• iPhone apps causing battery to drain out

  - by saurabh

  Hi, Recently my iPhone battery started to discharge in just one day. I do not use my iPhone much (less than 1 hour a day). and then while discussing it with couple of colleagues, I heard that there are some apps which even if installed on your iPhone can cause your battery to drain out faster. It does not matter if you are not using those apps, only having them installed was enough to cause battery drain. I have heard this from couple of my techie friends as well and thus had to put some credibility to it. Being an iPhone developer, I don't think that is possible. Do you think if this is possible for an app to cause battery drain just by being installed there on iPhone?

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• Toshiba Qosmio: Battery Stuck at 60%, does not Charges, PC can't power up, can't remain on with out

  - by Fellknight

  Just like the tittle says, now let me try to give some more detail about the symptoms; The battery is stuck at 60 percent (68% at the moment of this writing).When hovering over the battery icon in Windows 7 Home Premium x64 it reads:"68% available (plugged in, charging)", there's no x or any sing the OS is displaying any error. No matter how much time left connected to the AC adapter the battery doesn't charge, it seems however it continues to discharge at its normal rate when disconnected from the laptop (about 1% each 2 weeks). Now this last symptom is the one i find most strange it "seems" the laptop somehow isn't recognizing the battery because even with the remaining charge of 60%(ish) the laptop wont power up or remain on if disconnected from its AC adapter(if it's on and is unplugged it will immediately turn off). Meaning that even with the battery attached correctly in its right place is as if running the laptop with no battery at all. Toshiba's Utilities haven't detected anything strange (or anything for that matter) with the battery or the hardware. The laptop when in use is connected 90% of the time to a Belkin surge protector (like my 1TB EHD). The protector is working correctly (green light on) and the 1TB HD too, thus a power surge having damaged it's very unlikely. Thnx in advance

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• Acer Aspire One -- strange battery problem, charges only up to ~90%

  - by houbysoft

  I have this strange problem on the acer aspire one d250. It happened already once before, stayed for about two weeks, and then "fixed itself". The problem is as follows: the battery can't seem to get fully charged; ie the indicator is stuck at about 90% (it's probably not a software problem -- I have ArchLinux and Windows 7 installed and both report exactly the same) and it never passes that value, but it still shows the status as "charging" (I tried everything I could think of -- leaving it charging for extremely long amounts of time, doing a few complete charge-recharge cycles, removing/reinserting the battery, cleaning the connectors, even updating the BIOS, etc., and nothing helped). Also, when it is getting charged, it charges pretty fast until about 70% and then progresses extremely slowly. The battery holds the charge that appears on the battery indicator normally. Just can't get the battery to charge fully -- I can't get it past the 90%. At first I thought this would be a simple battery failure (even if the computer is not that old, about 6-7 months), but as I mentioned it happened once before, and then one day it fixed itself. I tried contacting Acer about this, but the support was not helpful, completely stupid, it seemed like they used canned responses, the usual. Any thoughts on how to fix this?

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• Laptop battery liftime from Dell specs?

  - by user26535

  Question: When I buy a Dell Laptop, I get the following choice for battery: (Lithium-Ion main battery with X cells and Y Wh [included in price/at additional $] Lithium-Ionen-Hauptakku mit 4 Zellen und 24 Wh [Im Preis enthalten] Lithium-Ionen-Hauptakku mit 9 Zellen und 85 Wh [zuzgl. CHF 120.01] Lithium-Ionen-Hauptakku mit 6 Zellen und 46 Wh [zuzgl. CHF 30.00 I figured that I can calculate that a 86 Wh offers +254% of the 24 Wh lifetime, but... Is there any way to calculate to what battery time this amounts in hours ? I mean how many hours will the 24 Wh last (at normal operation - eg. writing a document - not watching video), else the +254% is a pretty useless number... Also anybody knows whether 4 cells means 4 times 24 Wh, or 24 Wh in total?

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• Can I reduce the CPU speed of my MacBook when on battery?

  - by Greg Hewgill

  I've got a MacBook with a Core 2 Duo CPU. I've got CoreDuoTemp installed which can show the current speed of the CPU. It appears to always show: Mini : 1.0 GHz Maxi : 2.0 GHz Current : 2.0 GHz I believe my laptop would run longer on battery if it were to run at a maximum of 1 GHz. Is there a way to configure this, or is the CPU speed adjustment completely automatic?

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• Macbook pro asks me to "Service Battery"

  - by Uwe Honekamp

  A couple of weeks ago I checked the battery and at that point in time (after 160 load cycles) it still had a capacity of 5000 mAh. Today, my 2006 macbook pro tells me via the battery menu to "Service Battery". According to Coconut Battery the current capacity is only 1590 mAh. The corresponding help text suggests contacting an Apple Authorized Service Provider (AASP) to have the computer checked. Before I decide to throw money at the AASP I'd like to understand what the AASP could possibly do to eliminate the problem. Isn't it more likely that the battery simply broke at 160 cycles and needs to be replaced? Are there any means by software or firmware to influence battery behavior? Of course, the computer hardware might be broken but how could this result in the described effect? And yes, I'm currently trying a calibration cycle but I have some doubts that it will save the day.

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• powertop keeps telling me to turn off the same thing, over and over

  - by Rory McCann

  I am running an ubuntu lucid laptop on battery. I want to make my power last as long as possible. Aswell as the normal things like turn down screen brightness, and turn off wifi, I'm using powertop. It will sometimes tell me things, e.g.: Suggestion: Enable USB autosuspend by pressing the U key OK, I press the U key to do that. However a few minutes later it will give me the same suggestion, it's as if it never enabled USB autosuspend the first time. It does this for other things aswell, not just USB autosuspend. e.g. it'll give me this message frequently: An audio device is active 100.0% of the time: hwC0D1 LSI ID 1040 Q - Quit R - Refresh A - Turn HD audio powersave on Is there anything I can do to make these choices 'stick'? Or do I have some unfortunatle hardware that won't obey linux? (If so, is there any way to confirm this?)

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• Battery management of a Macbook

  - by darthvader

  I bought a Macbook Pro last week. I mostly use (and plan to use) it like a desktop with an external monitor. I use the system at least 15 hours a day. Now using the coconut battery application, I figured out that the capacity has the current capacity has reduced to 98% of the design capacity. I was wondering what is the best way to manage battery. Should it be always either charging or discharging Should it be plugged in all time. I barely get 2 hours and 30 minutes on battery. Is that normal? I run XCode, VMWare Fusion (for Visual Studio), Mail app, Chrome (5-10 tabs) and Itunes (mp3). The brightness is 60% on battery. I already did the calibration.

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• Battery in Macbook Pro 15" i5

  - by Graniti

  Hi I just purchased a new Macbook Pro (2,4GHz i5 320Gb) but the battery lasts about 5h and I was not doing anything more than browsing with WI-FI and editing text files. In the specification says that it should last 8-9 h. Does anybody have any idea if I could return the laptop with the reason that I am not satisfied? Is it enough? Anybody had any similar experience? I do not know if it matters but I bought it from a Apple Premium Reseller shop. Thanx, Granit

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• Macbook Battery Charging Troubles

  - by bobber205

  Problem: Occasionally, my macbook's battery will say it's charging and actually won't be. It stays at 0% for a long time. Other info: I thought it was my battery (laptop was 3 years old). Got a new battery. Issue did not go away. Got a new power supply. Did not go away. Ended up getting a unibody macbook pro. :) (We even ended up moving to a new house). Now still having the issue. The only thing I can think of is my power strip, which is the only thing that has stayed constant. Is it possible for the strip to be affecting the amount of watts my macbook(s) are getting and preventing it from properly charing the battery. I think it goes in and out, the battery picks up the slack and once it's empty the computer shuts down b/c there's no power at all for a second or two. Funny thing is I have a desktop PC on this same strip and it has never had issues with power. Thanks! :)

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• Battery on or off while running the laptop on electricity?

  - by Ehsan Mamakani

  I have an HPcompaq nc6400 but I don't have much information about batteries.when I'm home I run it on electricity so at this time should I take the battery out or it's OK if I run it on electricity with battery on?

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• What is it that kills laptop batteries?

  - by Mala

  There are many superstitions on what you must never do lest your battery become worthless - and by worthless I mean hold about 16 - 24 seconds of charge. This has happened to every laptop I have ever owned, and I just got a new one, so please help me sort out fact from fiction. Here are some of the things I've heard: Do not keep your laptop fully charged. You must run it completely down every so often. Do not use your laptop plugged in to the wall. Only plug it in when it needs charge. If you will not be using your laptop for a long period of time, don't leave it at full charge. Do not leave your laptop running 24/7. The first two I know to be complete fiction: this was true of old batteries such as you might have had in an iPod in 2003, but modern batteries function better when kept at or near full charge. Devices even have circuitry to prevent you from completely depleting your battery, as this is dangerous. The third point sounds probable, and I'd be interested to know if it was true. However, it doesn't really apply to me because I'm not really the type to leave my laptop alone for a day, much less a "long period of time" The fourth seems most likely of the above, but only because of causality: I have always done this, and my batteries have always crapped out on me. I've generally treated a laptop like a desktop with a battery backup, and that I can move from one room to another if necessary. The fact that my batteries tend to last less than 30 seconds has further entrenched this behavior. Should I be trying to break this habit? Are there any other things that ruin laptop batteries? I love that I can actually use my new laptop unplugged :) I'd like to keep it that way. Update: Additional question: If the computer will be used for an extended period of time plugged in, does it make sense to remove the battery first? Update 2: I know people with laptops older than mine, who actively use their laptops as much as I do, and their batteries still hold about an hours' charge while mine holds less than 30 seconds, hence my belief that something I'm doing kills them.

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• Regarding the battery of a new laptop [closed]

  - by Majed

  Possible Duplicate: Is it better to use a laptop on battery or on AC power? I bought a new laptop from HP. I am not sure if I should remove the battery while I am working on my laptop or not. What is better for my laptop battery, to keep it while the laptop is plugged in or to remove it? or to charge it and then pull out the plug and when the battery is flat then plug it again? I use my laptop alot (at home and sometimes at work as well).

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• Acer Aspire One -- strange battery problem, charges only up to ~90%

  - by houbysoft

  I have this strange problem on the acer aspire one d250. It happened already once before, stayed for about two weeks, and then "fixed itself". The problem is as follows: the battery can't seem to get fully charged; ie the indicator is stuck at about 90% (it's probably not a software problem -- I have ArchLinux and Windows 7 installed and both report exactly the same) and it never passes that value, but it still shows the status as "charging" (I tried everything I could think of -- leaving it charging for extremely long amounts of time, doing a few complete charge-recharge cycles, removing/reinserting the battery, cleaning the connectors, even updating the BIOS, etc., and nothing helped). Also, when it is getting charged, it charges pretty fast until about 70% and then progresses extremely slowly. The battery holds the charge that appears on the battery indicator normally. Just can't get the battery to charge fully -- I can't get it past the 90%. At first I thought this would be a simple battery failure (even if the computer is not that old, about 6-7 months), but as I mentioned it happened once before, and then one day it fixed itself. I tried contacting Acer about this, but the support was not helpful, completely stupid, it seemed like they used canned responses, the usual. Any thoughts on how to fix this?

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• Should a neglected iPhone still be used?

  - by Ben Griswold

  I replaced my first iPhone (upgraded from version 1 to 3G) about 18 months ago. Since the upgrade, my original iPhone has been just sitting on shelf in my office. I am thinking about dusting off my old iPhone, reactivating through AT&T and giving it to my wife. The phone hasn't been used for quite some time and the battery is completely dead. I'm not sure about iPhone battery lifetimes, but I'm questioning whether a charge will keep. Should I invest in a new iPhone or take a chance reactivating the old one?

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• Can I replace battery of My HP Pavilion DV6 2020e notebook to work for 3-5 hours ?

  - by Space Cracker

  I bought HP Pavilion DV6 2020e notebook from 6 months and i found that its battery last for max 70 minutes and i contact hp support and they told me that this model can last for max 90 minute according to its 6 cell battery :( Can any know if this model battery can be replaced by one that can last for 3-4 hours ?

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• How do you notice that the batteries of you wireless mouse are dying out?

  - by hkBattousai

  I have a Logitech M705 wireless mouse. I'm first time using a wireless mouse, so I don't have much experience with the hardware features and behavior. It is rated that it runs for 3 years with the same batteries. I think this "3 year" rating is calculated for a very low usage and activity; like 2 hours a day. I'm using it for about 12 hours a day, so I expect it to run out of batteries in a much shorter time in my case. I have been using it for about half a year. Recently (for the last two weeks), it started to make some peculiar behavior when clicking and drafging objects. - When I click something, it sometimes double click it. - When I drag something from one place to another (or selecting some text), it sometimes drops the object in the halfway (when selecting text, the text which had selected up to that time becomes unselected and it starts to select the rest of the text from that moment), but it goes on being in the "left-button-pressed" state. It is like, the pressed button switches to "unpressed" state for a moment, then returns back to the "pressed" state. When one of these faults occur, it occurs several times sequentially. There is no problem in pointer movement, scrolling or right-clicking. Since the batteries last for a very long time for this device, I don't expect it to stop working in an instance. I expect it to give these kind of syndromes of a time period. My question is; Is this how batteries run out for a wireless mouse? Or, is this another kind of hardware/software problem?

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• Should laptops remain plugged in when their battery is 100% charged?

  - by Click Upvote

  I've been hearing mixed responses to this, so would like to hear the final answer. When your laptop's battery is 100% charged, should you leave it plugged in so any battery power doesn't get used, or will that cause overcharging, overheating. etc? Should the laptop be unplugged when battery is 100%? I'm asking because my laptop's screen tends to get dim when unplugged, so I don't like to run it on battery. (Any fixes to this would also be helpful.)

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• What is the impact of leaving a laptop in "sleep" mode (while on battery power)?

  - by Elazar Leibovich

  How much battery would leaving my laptop at "sleep" mode consume? is the consumption low enough so that it would be safe to leave the laptop sleeping at nights regularily and using it tommorow? What's the recommended period of time for which I should not turn it off, but let it sleep. (for example, if I'll use the computer in a minute - turning it off instead of making it to sleep will definitely not save battery due to the overhead of turning your computer on and off).

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• Best Places for Software Developer To Live

  - by Mike

  What is the single best area in which to live, in order to have a career in software development while also living an active, healthy life? Ideally, software and other types of jobs would be plentiful, the air and water clean, transportation reasonable, and outdoor activities plentiful and nearby.

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• Year dropdown range - when do we stop?

  - by Andrew Heath

  I attended a payroll software demo yesterday wherein the year dropdowns throughout the software ran from 2000 to 2200. Now, we've all been down this road before with 2 digit shortsight, but honestly - a 200 year service life for a Java & Oracle payroll system? Our Board of Directors would be thrilled if the company was even solvent for 1/4th that long. When forced to use a dropdown year select, where do you draw the line?

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• Java EOSL for each version

  - by JuanZe

  What are the official dates when the different versions of Java (JDK 1.3, JDK 1.4, Java 5,...) have reached it's end of service life (EOSL)?

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• As a young student aspiring to have a career as a programmer, how should I feel about open source software?

  - by Matt

  Every once in a while on some technology websites a headline like this will pop up: http://www.osor.eu/news/nl-moving-to-open-source-would-save-government-one-to-four-billion My initial thought about government and organizations moving to open source software is that tons of programmers would lose their jobs and the industry would shrink. At the same time the proliferation and use of open source software seems to be greatly encouraged in many programming communities. Is my thinking that the full embrace of open source software everywhere will hurt the software industry a misconception? If it is not, then why do so many programmers love open source software?

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• I'm a CS student, and honestly I don't understand Knuth's books..

  - by Raymond Ho

  I stumbled this quote from Bill Gates: "You should definitely send me a resume if you can read the whole thing." He was talking about The Art of Programming books.. So I was pretty curious and want to read it all but honestly, I don't understand it at all.. I'm really not that highly intellectual being.. So this should be the reason why I can't understand it, but I am eager to learn.. I'm currently reading volume 1 about fundamental algo.. So is there any books out there that are friendly to novice/slow people like me? So I can build up myself and hopefully in the future I can read Knuth's book at ease..

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