That sort of charging cycle is very bad for lithium ion batteries, such as those in the apple MacBook. David Chittenden, MSc, MRCAA Email: dchittenden@xxxxxxxxx Mobile: +64 21 2288 288 Sent from my iPhone > On 12 Sep 2014, at 4:45, adrian <adrianleong@xxxxxxxxxxxxxx> wrote: > > i usually charge it and dis charge it until it goes completely flat. > > ```Sent from my iPad > >> On Sep 11, 2014, at 10:42 AM, Ian Edwards <ianedwards42@xxxxxxxxx> wrote: >> >> Ok, how long are you leaving your Mac plugged in before you attempt a >> re-start? Not sure what the actual process is for coming back from >> absolutely dead, if it is re-starting or considered to be booting up from >> scratch. Either way I would expect the chime. >> >> How often are you letting your battery run completely down? >> >> Ian >> >>> On Sep 11, 2014, at 10:35 AM, adrian <adrianleong@xxxxxxxxxxxxxx> wrote: >>> >>> right i mean when the batery goes completely flat i doo not hear the chime >>> sound when i restart it >>> >>> ```Sent from my iPad >>> >>>> On Sep 11, 2014, at 9:53 AM, Ian Edwards <ianedwards42@xxxxxxxxx> wrote: >>>> >>>> One thing to think about is your frequency of restarting. Coming from a >>>> Windos and Jaws environment, I was used to frequently restarting because >>>> performance was effected. Not sure what the current state of things is in >>>> that world, but it seems like Mac is fine with just being put into standby >>>> as opposed to restarting. What I’ve read is that the only time you need to >>>> restart is if an update asks for it. Anyone else have knowledge or wisdom >>>> on this? >>>> >>>> That being said, I’ll give restarting on battery a try to see if I have >>>> the same issue. To be clear, we’re talking about the Apple harmonic >>>> gong/ding sound, right? >>>> >>>> Ian >>>> >>>>> On Sep 11, 2014, at 8:57 AM, Adrian Leong <adrianleong@xxxxxxxxxxxxxx> >>>>> wrote: >>>>> >>>>> i foo not get that i only get it when it is plugged in >>>>>> On Sep 11, 2014, at 8:54 AM, Keith Reedy <keithreedy@xxxxxxxxxxxx> wrote: >>>>>> >>>>>> The best thing to do is to keep your battery charged. You will get a >>>>>> notice when your battery is low, plug it in and charge it. >>>>>> We are Braille Bible printers, >>>>>> http://biblesfortheblind.org >>>>>> Keith Reedy >>>>>> keithreedy@xxxxxxxxxxxx >>>>>> >>>>>> >>>>>> >>>>>> >>>>>>> On Sep 11, 2014, at 10:50 AM, adrian <adrianleong@xxxxxxxxxxxxxx> wrote: >>>>>>> >>>>>>> every time my batery goes completely flat i doo not hear the start up >>>>>>> sound when i restart my mack book air. is there a specific setting i >>>>>>> need to change in the system prefferences?of the mack >>>>>>> >>>>>>> ```Sent from my iPad> >>>>>>>> Click on the link below to go to our homepage. >>>>>>>> http://www.icanworkthisthing.com >>>>>>>> >>>>>>>> Manage your subscription by using the web interface on the link below. >>>>>>>> //www.freelists.org/list/macvoiceover >>>>>>>> >>>>>>>> Users can subscribe to this list by sending email to >>>>>>>> macvoiceover-request@xxxxxxxxxxxxx >>>>>>>> with 'subscribe' in the Subject field OR by logging into the Web >>>>>>>> interface at //www.freelists.org/list/macvoiceover >>>>>> >>>>>>> >>>>>>> Click on the link below to go to our homepage. >>>>>>> http://www.icanworkthisthing.com >>>>>>> >>>>>>> Manage your subscription by using the web interface on the link below. >>>>>>> //www.freelists.org/list/macvoiceover >>>>>>> >>>>>>> Users can subscribe to this list by sending email to >>>>>>> macvoiceover-request@xxxxxxxxxxxxx >>>>>>> with 'subscribe' in the Subject field OR by logging into the Web >>>>>>> interface at //www.freelists.org/list/macvoiceover >>>>> >>>>>> >>>>>> Click on the link below to go to our homepage. >>>>>> http://www.icanworkthisthing.com >>>>>> >>>>>> Manage your subscription by using the web interface on the link below. >>>>>> //www.freelists.org/list/macvoiceover >>>>>> >>>>>> Users can subscribe to this list by sending email to >>>>>> macvoiceover-request@xxxxxxxxxxxxx >>>>>> with 'subscribe' in the Subject field OR by logging into the Web >>>>>> interface at //www.freelists.org/list/macvoiceover >>>> >>>>> >>>>> Click on the link below to go to our homepage. >>>>> http://www.icanworkthisthing.com >>>>> >>>>> Manage your subscription by using the web interface on the link below. >>>>> //www.freelists.org/list/macvoiceover >>>>> >>>>> Users can subscribe to this list by sending email to >>>>> macvoiceover-request@xxxxxxxxxxxxx >>>>> with 'subscribe' in the Subject field OR by logging into the Web >>>>> interface at //www.freelists.org/list/macvoiceover >>>> >>>> Click on the link below to go to our homepage. >>>> http://www.icanworkthisthing.com >>>> >>>> Manage your subscription by using the web interface on the link below. >>>> //www.freelists.org/list/macvoiceover >>>> >>>> Users can subscribe to this list by sending email to >>>> macvoiceover-request@xxxxxxxxxxxxx >>>> with 'subscribe' in the Subject field OR by logging into the Web >>>> interface at //www.freelists.org/list/macvoiceover >> >>> >>> Click on the link below to go to our homepage. >>> http://www.icanworkthisthing.com >>> >>> Manage your subscription by using the web interface on the link below. >>> //www.freelists.org/list/macvoiceover >>> >>> Users can subscribe to this list by sending email to >>> macvoiceover-request@xxxxxxxxxxxxx >>> with 'subscribe' in the Subject field OR by logging into the Web >>> interface at //www.freelists.org/list/macvoiceover >>> >> >> Click on the link below to go to our homepage. >> http://www.icanworkthisthing.com >> >> Manage your subscription by using the web interface on the link below. >> //www.freelists.org/list/macvoiceover >> >> Users can subscribe to this list by sending email to >> macvoiceover-request@xxxxxxxxxxxxx >> with 'subscribe' in the Subject field OR by logging into the Web >> interface at //www.freelists.org/list/macvoiceover >> > > Click on the link below to go to our homepage. > http://www.icanworkthisthing.com > > Manage your subscription by using the web interface on the link below. > //www.freelists.org/list/macvoiceover > > Users can subscribe to this list by sending email to > macvoiceover-request@xxxxxxxxxxxxx > with 'subscribe' in the Subject field OR by logging into the Web > interface at //www.freelists.org/list/macvoiceover >