With what frequency should I discharge and recharge my macbooks battery?
I use my Macbook as a desktop replacement and often am at home and therefore near to a wall socket; but how many times a week should I run the macbook from batteries to keep the battery healthy etc.? And when I do run it from its battery, should I let it discharge all the way till 0%, or plug it back in at 10%? 20%?
Well, yes once per month is sufficient. However, they can be re-calibrated more frequently without damage but with a slight reduction in total useful life (as limited by the lifetime number of charging cycles.) BTW, this is not specific to the Apple batteries but to most all lithium-polymer battery paks.
I might also add that the charging circuitry in the MBs and MBPs shuts off when the battery charge reaches 100 percent and does not start charging until the battery charge drops below 95 percent, so you can leave the battery installed even with the A/C adaptor in use without concern for either overcharging or overcycling.
Similar Messages
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I have a 2 yr old Iphone 4 and have not backed up or connected to Itunes up for 1 yr. I have new Windows 7 computer and want to connect and copy Itunes backed up folder from external HD (a year ago) to new computer and install new Itunes and new IOS. What steps should I take and what precautions? I don't want to lose any data on my phone such as music, photos, contacts, notes, texts etc, nor lose music from prior backed up Itune folder. Apps should be OK from app store? Thanks for any help.
Hello CosK,
The following guide can step you through the process of using a backup of your iPhone 5 to transfer your content to your iPhone 5s.
Transfer content from an iPhone, iPad, or iPod touch to a new device
http://support.apple.com/kb/HT2109
Should one or both of your phones fail to appear in iTunes, the following article provides troublesooting steps that can assist.
iOS: Device not recognized in iTunes for Windows
http://support.apple.com/kb/TS1538
Cheers,
Allen -
What cable should be used to connect a macbook pro, 13 inch, early 2011 model to an external projector so the project displays the image on the computer screen?
You will need a cable or adapter with a minidisplay connection for the MBP. That will be inserted in the Thunderbolt port. The other end is dependent upon the connections of the projector which you have not listed.
Ciao. -
What is the best way to discharge and recharge your MBPR?
I've had my MBPR 13" Mid 2014 model for a week and it already reached 5 cycles. I usually discharge it down to almost 2% and recharge it 100%.
I've read some articles recommending that the best discharge rate is not lower than 20% while recharging it to not more than 85% BUT this is not mentioned by Apple in the battery maintenance section. This method is recommended by Apple ONLY WHEN you plan to store your laptop for a longer period of time.
So what is really the best way to prolong the battery life of your MBPR when you use it DAILY for 2 to 4 hours of word processing and web browsing and occasional watching an episode or two of a tv show?The advice on this site is consistent with everything that I know:
https://gigaom.com/2008/10/29/whats-the-ideal-strategy-to-maximize-notebook-batt ery-lifespan/
and:
http://apple.stackexchange.com/questions/61401/how-to-maximize-macbook-pro-retin as-battery-life-when-working-with-ac-power
Apple did have recommendations on this at one time but those sites are gone. Liability? -
What reporting should I request and Why?
My company has obtained Cisco WAAS as a service offering from an IT service provider. The solution\service is now complete managed by this thrid party organization. One item I've been struggling with is the level of reporting or type of reporting we should request and have access to. The frequency of the reports and any required technical assessment that should be included when provided.
As the Service Manager of the vendor what types of reports would you suggest I request to best profile the benefits and gains seen because of WAAS? And more importantly applications that may not be obtaining the intended benefits.
Modified the title and corrected the nurmoerus typos...Asked another way....Which report provides you the most insight to performance gains seen by network or end users? Which reports do you as a engineer supporting WAAS leverage the most and why?
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What program should I use and various??
Hi friends,
I have two questions:
1) So I have finished my project...how do I fit it onto one dvd? Quicktime conversion??
2) What program should I use to burn to dvd? I have a macbook.
3) How do I make chapters on the dvd??
Thank you so much for assisting1. Export a QuickTime Movie. Do NOT use QT Conversion. Import the resulting QuickTime file into the DVD creation program. Don't worry about file size at this point. The DVD authoring application will compress and encode. You can fit about two hours of video on a single-layer DVD.
2. The simplest method is to use iDVD which probably came with the MacBook.
3. Playing the FCE Timeline, press M twice, name the chapter if you wish and click the Add Chapter Marker button in the resulting window. Then when you export, make sure to choose to include Chapter markers in the Export window. Within iDVD, I think you can also set iDVD to include a chapter marker at set intervals, but not at specific points.
Not to be snarky, but that seems like three questions...
Good luck. -
At what point is it best to recharge the iPad battery
Do yo wait until it is down to1% or what? This is a new iPad.
The quickest way (and really the only way) to charge your iPad is with the included 10W USB Power Adapter. iPad will also charge, although more slowly, when attached to a computer with a high-power USB port (many recent Mac computers) or with an iPhone Power Adapter (5W). When attached to a computer via a standard USB port (most PCs or older Mac computers) iPad will charge very slowly (but iPad indicates not charging). Make sure your computer is on while charging iPad via USB. If iPad is connected to a computer that’s turned off or is in sleep or standby mode, the iPad battery will continue to drain.
Apple recommends that once a month you let the iPad fully discharge & then recharge to 100%.
How to Calibrate Your Mac, iPhone, or iPad Battery
http://www.macblend.com/how-to-calibrate-your-mac-iphone-or-ipad-battery/
At this link http://www.tomshardware.com/reviews/galaxy-tab-android-tablet,3014-11.html , tests show that the iPad 2 battery (25 watt-hours) will charge to 90% in 3 hours 1 minute. It will charge to 100% in 4 hours 2 minutes. The new iPad has a larger capacity battery (42 watt-hours), so using the 10W charger will obviously take longer. If you are using your iPad while charging, it will take even longer. It's best to turn your new iPad OFF and charge over night. Also look at The iPad's charging challenge explained http://www.macworld.com/article/1150356/ipadcharging.html
Also, if you have a 3rd generation iPad, look at
Apple: iPad Battery Nothing to Get Charged Up About
http://allthingsd.com/20120327/apple-ipad-battery-nothing-to-get-charged-up-abou t/
Apple Explains New iPad's Continued Charging Beyond 100% Battery Level
http://www.macrumors.com/2012/03/27/apple-explains-new-ipads-continued-charging- beyond-100-battery-level/
New iPad Takes Much Longer to Charge Than iPad 2
http://www.iphonehacks.com/2012/03/new-ipad-takes-much-longer-to-charge-than-ipa d-2.html
Apple Batteries - iPad http://www.apple.com/batteries/ipad.html
Extend iPad Battery Life (Look at pjl123 comment)
https://discussions.apple.com/thread/3921324?tstart=30
New iPad Slow to Recharge, Barely Charges During Use
http://www.pcworld.com/article/252326/new_ipad_slow_to_recharge_barely_charges_d uring_use.html
Tips About Charging for New iPad 3
http://goodscool-electronics.blogspot.com/2012/04/tips-about-charging-for-new-ip ad-3.html
Prolong battery lifespan for iPad / iPad 2 / iPad 3: charging tips
http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad
In rare instances when using the Camera Connection Kit, you may notice that iPad does not charge after using the Camera Connection Kit. Disconnecting and reconnecting the iPad from the charger will resolve this issue.
Cheers, Tom -
I was messing around with .kext files in the MacintoshHD and moved the system.kext and two others to my desktop and deleted the originals and now the MacBook Pro won't start up. All I get at start up is the apple icon then a bunch of text shows up part of which says Mac OS version: not yet set. then the apple icon turns into the power icon and tells me to turn off the computer. I've tried reinstalling from the install DVD by holding down option when powering on and selecting the install DVD and it just goes to a white screen with the apple icon and stays like that. I didn't have the disk utility on my Mac before this happened because I deleted it to make room on my computer a while ago so I'm not sure if that's why it won't load the install DVD but anyone who knows the solution to this with out going to get it repaired would be greatly appreciated. Thank you!
Never mind my dad just found the original install DVD and that worked. Before I was using an install disc that Apple sent me for another issue I was having, but thanks for replying so quickly and trying to help on this Thanksgiving day!!!
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How many cores and what frequency should have a processor to use Adobe After Effects?
Thank you
As many cores as you can comfortably afford and as fast and as much memory as you can comfortably pay for. Without knowing what you are doing it is an impossible question..
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I tried to use a shmetsy.com tool for Etsy. I couldn't use it because of my version of Firefox - 3.6.23
I went to "About Mozilla Firefox" to check for updates and got the message "There are no updates available"I don't know what versions of Firefox work with Shmetsy. Do they have a system requirements page? It's not in the very short FAQ...
You have the latest in the 3.6 line.
If you want Firefox 7, go to http://www.mozilla.org/firefox to get the installer.
Normally, major upgrades go without a hitch, but just in case, I recommend backing up your Firefox settings to cover yourself in the rare case that something goes wrong. See [https://support.mozilla.com/en-US/kb/Backing+up+your+information Backing up your information]. (You can copy your entire Firefox profile folder somewhere outside of the Mozilla folder.) -
What SSD Should I Get And What Size
Looking to get an SSD to boot and store applications on, Late 2011 Macbook Pro 15" quad core i7 2.2Ghz.
Currently looking at: http://eshop.macsales.com/item/OWC/SSDEX6G060/
Tell me what you think.I got a 120gb SSD for $120 and after a $20 rebate it came to $100. It makes my origional factory HDD look like a snail. http://www.google.com/products/catalog?q=ocz+vertex&um=1&ie=UTF-8&tbm=shop&cid=1 0963169686259943136&sa=X&ei=e81bT6v6L6OJsQLx6fS3DQ&ved=0CHQQ8wIwBQ
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How to contact apple support using the 800-number from the Philippines?
You need to ask Apple to reset your security questions. To do this, click here and pick a method; if that page doesn't list one for your country or you're unable to call, fill out and submit this form.
(122986) -
I cannot use T-Mobile, no reception in my house.
Hey samfromshrewsbury,
Thanks for the question. The following purchase page may have the information you are looking for:
iPhone 5c - Buy iPhone 5c in white, pink, yellow, blue, or green - Apple Store (U.S.)
http://store.apple.com/us/buy-iphone/iphone5c
If you buy a SIM-free iPhone, you will need to purchase a GSM-compatible nano-SIM card separately. In the United States, you can purchase such a SIM from AT&T or T-Mobile. When you travel internationally, you can use a nano-SIM card for iPhone 5c from a local GSM carrier. The unlocked iPhone 5c model is A1532 (GSM).
Thanks,
Matt M. -
Can i use FP-PG-522 or FP-PWM-520 to control the stepper motor.
Cheeking,
I think Aaron has answered this query at: http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RPAGEID=135&HOID=506500000008000000E16E0000&UCATEGORY_0=_49_%24_6_&UCATEGORY_S=0
Pravin -
Any idea what happened in this crash and if my MacBook needs work?
A friend of mine suggested that I post the crash report here to see if anyone knows what happened and whether I need to do anything. I would go to a Genius Bar, but the nearest Apple Store to me is 3 hours away
Here's what happened:
I was working in Firefox when the computer screen suddenly went completely black without warning or any sounds. I tiled the monitor forward slightly and the screen came back up for an instant before a partly opaque gray curtain fell from the top of the screen to the bottom. Then a message showed up on the far left - the box was half off the screen - saying I needed to shut down my computer. I did. I waited a few minutes and powered it on. The screen was gray with tiny gray horizontal pinstripes for a while with the apple logo (also crossed with the pinstripes) while it was booting up. However, it never fully booted up. I had to shut it down again. I booted it as a target drive with another computer to copy over important documents. Then, I ejected it and shut it down. Then I powered it on, and this crash report showed up after it booted up.
And below is the crash report.
========================================================
Interval Since Last Panic Report: 11870786 sec
Panics Since Last Report: 1
Anonymous UUID: D14ABFE9-6DC4-4D31-91C2-54DB1A700EEA
Sun Nov 25 18:50:04 2012
panic(cpu 1 caller 0xffffff8000285c7e): "Spinlock acquisition timed out: lock=0xffffff800089e620, lock owner thread=0xffffff8015528260, current_thread: 0xffffff801b865098, lock owner active on CPU 0x7"@/SourceCache/xnu/xnu-1504.15.3/osfmk/i386/locks_i386.c:374
Backtrace (CPU 1), Frame : Return Address
0xffffff80b1243de0 : 0xffffff8000204d15
0xffffff80b1243ee0 : 0xffffff8000285c7e
0xffffff80b1243f30 : 0xffffff800046f474
0xffffff80b1243f60 : 0xffffff8000285b66
0xffffff80b1243fa0 : 0xffffff80002c8527
BSD process name corresponding to current thread: kernel_task
Mac OS version:
10K549
Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun 7 16:32:41 PDT 2011; root:xnu-1504.15.3~1/RELEASE_X86_64
System model name: MacBookPro8,2 (Mac-94245A3940C91C80)
System uptime in nanoseconds: 133331970623030
unloaded kexts:
com.apple.filesystems.msdosfs 1.6.3 (addr 0xffffff7f81199000, size 0x49152) - last unloaded 34109349239445
loaded kexts:
com.AmbrosiaSW.AudioSupport 4.0
com.apple.driver.MaxTranserSizeOverrideDriver 2.6.1 - last loaded 31699210783562
com.apple.filesystems.autofs 2.1.0
com.apple.driver.AGPM 100.12.31
com.apple.driver.AppleHWSensor 1.9.3d0
com.apple.driver.AppleMikeyHIDDriver 1.2.0
com.apple.driver.AudioAUUC 1.57
com.apple.driver.AppleHDA 2.0.8f3
com.apple.driver.AppleMikeyDriver 2.0.8f3
com.apple.driver.AppleUpstreamUserClient 3.5.7
com.apple.driver.AppleMCCSControl 1.0.26
com.apple.kext.ATIFramebuffer 6.4.2
com.apple.driver.AppleIntelHDGraphics 6.4.2
com.apple.driver.SMCMotionSensor 3.0.1d2
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AudioIPCDriver 1.1.6
com.apple.driver.ACPI_SMC_PlatformPlugin 4.7.0a1
com.apple.driver.AppleLPC 1.5.1
com.apple.driver.AppleMuxControl 3.0.17
com.apple.ATIRadeonX3000 6.4.2
com.apple.kext.AppleSMCLMU 1.5.2d10
com.apple.driver.AppleIntelSNBGraphicsFB 6.4.2
com.apple.driver.AppleUSBTCButtons 201.6
com.apple.driver.AppleUSBTCKeyboard 201.6
com.apple.driver.AppleIRController 303.8
com.apple.iokit.SCSITaskUserClient 2.6.9
com.apple.BootCache 31.1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.iokit.IOAHCIBlockStorage 1.6.6
com.apple.driver.AppleSDXC 1.0.4
com.apple.driver.AppleFWOHCI 4.7.7
com.apple.driver.AirPort.Brcm4331 433.11.5
com.apple.iokit.AppleBCM5701Ethernet 3.0.8b2
com.apple.driver.AppleUSBHub 4.2.5
com.apple.driver.AppleEFINVRAM 1.4.0
com.apple.driver.AppleSmartBatteryManager 160.0.0
com.apple.driver.AppleAHCIPort 2.2.0
com.apple.driver.AppleACPIButtons 1.3.6
com.apple.driver.AppleRTC 1.3.1
com.apple.driver.AppleUSBEHCI 4.2.6
com.apple.driver.AppleHPET 1.5
com.apple.driver.AppleSMBIOS 1.7
com.apple.driver.AppleACPIEC 1.3.6
com.apple.driver.AppleAPIC 1.4
com.apple.driver.AppleIntelCPUPowerManagementClient 142.6.0
com.apple.security.sandbox 1
com.apple.security.quarantine 0
com.apple.nke.applicationfirewall 2.1.14
com.apple.driver.AppleIntelCPUPowerManagement 142.6.0
com.apple.iokit.IOSCSIBlockCommandsDevice 2.6.9
com.apple.iokit.IOUSBMassStorageClass 2.6.7
com.apple.driver.AppleProfileReadCounterAction 17
com.apple.driver.AppleProfileTimestampAction 10
com.apple.driver.AppleProfileThreadInfoAction 14
com.apple.driver.AppleProfileRegisterStateAction 10
com.apple.driver.AppleProfileKEventAction 10
com.apple.driver.AppleProfileCallstackAction 20
com.apple.driver.DspFuncLib 2.0.8f3
com.apple.driver.AppleSMBusController 1.0.10d0
com.apple.iokit.IOFireWireIP 2.0.4
com.apple.iokit.IOSurface 74.2
com.apple.iokit.IOBluetoothSerialManager 2.4.5f3
com.apple.iokit.IOSerialFamily 10.0.3
com.apple.driver.AppleHDAController 2.0.8f3
com.apple.iokit.IOHDAFamily 2.0.8f3
com.apple.iokit.IOAudioFamily 1.8.3fc2
com.apple.kext.OSvKernDSPLib 1.3
com.apple.driver.ApplePolicyControl 3.0.17
com.apple.iokit.AppleProfileFamily 41
com.apple.driver.IOPlatformPluginFamily 4.7.0a1
com.apple.driver.AppleSMBusPCI 1.0.10d0
com.apple.driver.AppleGraphicsControl 3.0.17
com.apple.driver.AppleBacklightExpert 1.0.2
com.apple.iokit.IONDRVSupport 2.2.1
com.apple.driver.AppleSMC 3.1.0d5
com.apple.kext.ATI6000Controller 6.4.2
com.apple.kext.ATISupport 6.4.2
com.apple.iokit.IOGraphicsFamily 2.2.1
com.apple.driver.AppleThunderboltDPInAdapter 1.5.9
com.apple.driver.AppleThunderboltDPAdapterFamily 1.5.9
com.apple.driver.AppleThunderboltPCIDownAdapter 1.2.1
com.apple.driver.BroadcomUSBBluetoothHCIController 2.4.5f3
com.apple.driver.AppleUSBBluetoothHCIController 2.4.5f3
com.apple.iokit.IOBluetoothFamily 2.4.5f3
com.apple.driver.AppleUSBMultitouch 207.7
com.apple.iokit.IOUSBHIDDriver 4.2.5
com.apple.driver.AppleUSBMergeNub 4.2.5
com.apple.driver.AppleUSBComposite 3.9.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.6.9
com.apple.iokit.IOBDStorageFamily 1.6
com.apple.iokit.IODVDStorageFamily 1.6
com.apple.iokit.IOCDStorageFamily 1.6.1
com.apple.driver.XsanFilter 402.1
com.apple.iokit.IOAHCISerialATAPI 1.2.6
com.apple.iokit.IOSCSIArchitectureModelFamily 2.6.9
com.apple.driver.AppleThunderboltNHI 1.3.2
com.apple.iokit.IOThunderboltFamily 1.7.4
com.apple.iokit.IOFireWireFamily 4.2.7
com.apple.iokit.IO80211Family 320.1
com.apple.iokit.IONetworkingFamily 1.10
com.apple.iokit.IOUSBUserClient 4.2.4
com.apple.iokit.IOAHCIFamily 2.0.7
com.apple.driver.AppleEFIRuntime 1.4.0
com.apple.iokit.IOHIDFamily 1.6.6
com.apple.iokit.IOUSBFamily 4.2.6
com.apple.iokit.IOSMBusFamily 1.1
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 6
com.apple.driver.DiskImages 289
com.apple.iokit.IOStorageFamily 1.6.3
com.apple.driver.AppleACPIPlatform 1.3.6
com.apple.iokit.IOPCIFamily 2.6.8
com.apple.iokit.IOACPIFamily 1.3.0
Panic(CPU 7): NMIPI for spinlock acquisition timeout, spinlock: 0xffffff800089e620, spinlock owner: 0xffffff8015528260, current_thread: 0xffffff8015528260, spiRAX: 0xffffff8016457520, RBX: 0x00007940f1212773, RCX: 0xffffff8016458f40, RDX: 0xffffff8013d0cc78
RSP: 0xffffff80b13ebef0, RBP: 0xffffff80b13ebef0, RSI: 0xffffff800089e698, RDI: 0xffffff80162df950
R8: 0x00007940f1212773, R9: 0xffffff800089e698, R10: 0x00000000000003e8, R11: 0x0000000000000000
R12: 0xffffff80162df950, R13: 0x0000000000000001, R14: 0xffffff800027dace, R15: 0xffffff800085ae38
RFL: 0x0000000000000093, RIP: 0xffffff800020bf2c, CS: 0x0000000000000008, SS: 0x0000000000000010
Backtrace (CPU 7), Frame : Return Address
0xffffff80aa2daf50 : 0xffffff80002d76f6
0xffffff80aa2daf80 : 0xffffff80002d0322
0xffffff80aa2dafd0 : 0xffffff80002e40d2
0xffffff80b13ebef0 : 0xffffff800020bc59
0xffffff80b13ebf20 : 0xffffff800027db60
0xffffff80b13ebf60 : 0xffffff80002c3095
0xffffff80b13ebfa0 : 0xffffff80002e4894
BSD process name corresponding to current thread: firefox
Model: MacBookPro8,2, BootROM MBP81.0047.B27, 4 processors, Intel Core i7, 2.2 GHz, 8 GB, SMC 1.69f3
Graphics: AMD Radeon HD 6750M, AMD Radeon HD 6750M, PCIe, 1024 MB
Graphics: Intel HD Graphics 3000, Intel HD Graphics 3000, Built-In, 512 MB
Memory Module: global_name
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD6), Broadcom BCM43xx 1.0 5.100.198.104.5)
Bluetooth: Version 2.4.5f3, 2 service, 19 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: TOSHIBA MK7559GSXF, 698.64 GB
Serial ATA Device: OPTIARC DVD RW AD-5970H
USB Device: Hub, 0x0424 (SMSC), 0x2513, 0xfd100000 / 2
USB Device: IR Receiver, 0x05ac (Apple Inc.), 0x8242, 0xfd110000 / 3
USB Device: FaceTime HD Camera (Built-in), 0x05ac (Apple Inc.), 0x8509, 0xfa200000 / 3
USB Device: Hub, 0x0424 (SMSC), 0x2513, 0xfa100000 / 2
USB Device: Apple Internal Keyboard / Trackpad, 0x05ac (Apple Inc.), 0x0245, 0xfa120000 / 5
USB Device: BRCM2070 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0xfa110000 / 4
USB Device: Bluetooth USB Host Controller, 0x05ac (Apple Inc.), 0x821a, 0xfa113000 / 7https://bugs.archlinux.org/task/40304
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