The electricity drained by a device

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2
votes
1answer
80 views

Why doesn't a stripped/cracked MagSafe power cable shock?

Behold, the fate of all (poorly handled) MagSafe power cables: Why doesn't this shock me? I've read that MagSafe cables are low voltage, but I don't even get a tingle. Is there any danger of ...
0
votes
0answers
16 views

power status of MBP 13" (Early 2015)

I have the hibernate mode set to 25 but I think the laptop is not hibernating when I close the lid. In earlier versions of MBP there used to be a LED light available on the right-hand side of the ...
3
votes
3answers
3k views

Can I (or should I) use a MacBook charger on my iPhone?

I recently got a MacBook with the USB-C charger. It comes with a 29-watt power brick, and I was wondering if I should use this to charge my iPhone. I've heard that the iPad power brick (I think 10 ...
0
votes
1answer
42 views

Battery cannot charge fully

I replaced battery on my MBA mid 2011 (A1369). Here is the report by coconut(the same appears in system report): I bought no name battery from china and changed it personally (here they ask about ...
2
votes
1answer
161 views

My (unbroken) iPhone won't turn on!

I have an iPhone 5. The only issue it's had is that the battery life wasn't so great as it once was... until now. Earlier the battery went flat and it switched to this screen Totally normal. So I ...
0
votes
0answers
29 views

What wattage of passthrough charging does the Lighting port enable for MFi devices?

I understand that with the "Made For iPhone" (MFi) program, you can do passthrough charging/powering. What wattage does this support?
1
vote
1answer
208 views

Can I unplug my Mac mini from power once it's in hibernate mode?

Suppose I want to work on my Mac mini here, reach a certain point in my work, then put it in hibernate mode and unplug the power. From what I understand the hibernate mode will save the status of the ...
1
vote
1answer
145 views

How to turn MacBook Air 2015 on if the power button is broken and I don't have tools to remove battery?

The power button on my macbook air 2015 is not functional and I don't have the correct screwdriver to open the back up and take out the battery. Is it possible to turn the laptop on without having to ...
0
votes
0answers
11 views

MacBook Pro wouldn't charge but Apple ASP say it does

I had an issue that my MacBook Pro wouldn't charge (the LED on the charger didn't light up either) so Apple directly sent me out a replacement charger which also wouldn't change it (also same as the ...
1
vote
1answer
82 views

Fixing Mac Mini that uses 10x normal power in sleep mode

When I return to my Mac Mini in the morning, the case is warm to the touch, even though at that point it's been sleeping for hours with the display off. According to ...
1
vote
1answer
70 views

Magsafe charger behaving strange

I have a Macbook Pro 15 late 2011. The charger has started to act funky the last few days. What happens is that I connect it. Light shows as green on the connector and then switches to orange if it ...
1
vote
0answers
163 views

MBP randomly waking from sleep/hibernation

I Have a Mid-2010 Macbook Pro. For many months I've been running a version of Yosemite without issues, but I just upgraded to 10.10.5 this week. I think I was running 10.10.3 before but I don't ...
0
votes
3answers
260 views

85W MagSafe adapter has stopped working

Yesterday I noticed that my 85W MagSafe adapter had stopped working. I usually leave it plugged in constantly to my MacBook Pro (but not constantly on at the switch). The LED on the plug that ...
0
votes
1answer
112 views

How to prevent MacBook Pro from sleeping with turned off external display?

I have two displays connected to my MacBook Pro Retina 2015, running 10.10. It is connected to power, so it will not sleep once I close the lid. However, if I am doing long during calculations over ...
1
vote
1answer
148 views

Taking care of your Mac (put into a sleep or shutting down)

I have read this article but I would also like to know what are your thoughts and opinions on that point. I have my MPB with 16GB RAM and SSD drive. I would like to put my Mac into sleep rather than ...
0
votes
1answer
58 views

Is something on the IO logic board burnt or..?

yesterday, i plugged my macbook pro to charge, and my magsafe charger got a little burn where it connects to the magsafe charger (wall->magsafe). Now my macbook pro won't charge, no light, no nothing, ...
2
votes
1answer
59 views

Why do I feel 'electricity' when bridging my macbook and a double insulated charger?

Let me set the scene: Macbook with metal case plugged into the wall with 3 pronged plug iPhone is plugged into an iPad charger with 2 prongs When I touch both my iPhone and the case of my macbook ...
0
votes
0answers
106 views

Apple cinema display magsafe doesn't charge my MacBookPro

After last Yosemite update (10.10.5) I've seen something strange. I usually connect my macPro to my Apple thunderbolt display and the battery is charging correctly. I noticed a couple of time this: ...
0
votes
1answer
533 views

iPad won't turn on after being drained [duplicate]

What if my iPad didn't turn on after battery drain? I did all the steps but it still didn't work. Is it already damaged or can I recover it on an Apple Store?
-1
votes
1answer
36 views

MacBook Pro 13' Power cord

I use a 6 outlet adapter on my wall outlet. Since it's on the wall, it gets loose sometimes. This morning I pushed it in, while my power cord was plugged into it and the the power cord was plugged ...
1
vote
0answers
84 views

MagSafe 2 frequently broken

I've got a MacBook Pro (Retina, Mid 2012), once in a longer period of time my MagSafe 2 adapter simply fries. Just a minute ago I fried the third MagSafe 2 adapter in three years time. It occurs with ...
0
votes
0answers
141 views

How to avoid external display going off after I unplug a MacBook from the AC Power?

When I have my MacBook Pro 10.10 connected to the AC Power my external display connected through HDMI works fine. As soon I disconnect the MacBook from the AC Power and start running on battery, my ...
0
votes
1answer
86 views

MBP 15" early 2011 shuts down after login without power cord

Update #1: I uninstalled gfxcardstatus. Now the only times it shuts down instantly are when I initially log in (tried on user with Filevault and one without), and when I log out from one user ...
0
votes
0answers
21 views

Problem loading iPhone on voltage converter (12 V <-> 230 V)

A few days ago I had a very strange problem. First, the iPhone 4S was attached to a car radio and it was loading an hour long, but the battery charge level only increased by one percent! It was hot ...
0
votes
1answer
42 views

Is there any danger/risk in leaving my iMac G5 turned off and disconnected for long periods of time?

As the title states, is there any danger in leaving my iMac G5 (Later 2005 model) turned off and disconnected from a power outlet for long periods of time? I will be traveling for roughly 1 month ...
0
votes
0answers
129 views

can I splice power for a iPhone 5s into a lightning cable?

Algebra! yay! DJ + iPhone 5S + DJ Controller with 30-Pin (hardwired) + Apple 30-Pin to Lightning Adaper = A bumpin' party minus enough power to keep the controller running and connected to the phone ...
0
votes
0answers
243 views

MagSafe light turns out orange after few seconds

Is it normal for MagSafe to have orange light (not directly to be green light) 3-4 seconds after plugged to outlet ? I'm a bit nervous with this matter as I've just bought a new mbp after my ...
0
votes
2answers
4k views

Power reserve mode - lightning bolt

I cant get the watch out of power mode. It has a lightning bolt on the screen. What does this mean?
0
votes
0answers
75 views

Mac Air battery replaced, recognized, but not charging

So I attempted to replace my Mac Air battery myself. Swapped it out just fine, screwed things all back in place. Problems: It's recognizing the battery in the System Preferences>Power display, but ...
2
votes
0answers
88 views

Turn off keyboard lights after typing

I have my computer (MBP 2015) to turn the backlight on my keyboard off after I haven't used my computer for 10 seconds. Is there a way how to disable the keyboard backlight after x amount of seconds ...
1
vote
3answers
244 views

Strange Macbook 13 Retina MagSafe port problem

My Macbook Pro 13 Retina only charges (charger lights up and charges) if FIRST I plug the charger to the macbook THEN I join the metal part of the charger cable (see pictures). If I do it the other ...
0
votes
2answers
2k views

After using fake charger with my Macbook Pro Retina 13, an original new one won't light up

I bought by mistake a fake MagSafe 2 charger for my Macbook Pro 13 Retina. After using it for around a month I decided to pay more and buy the original one for the sake of my battery health. After ...
2
votes
4answers
8k views

Is it possible to charge my MacBook Air from a powerbank?

I recently bought a powerbank that has two USB outlets. It's great for charging my phone and iPad. Is it possible to charge my MacBook Air from the powerbank? If it's not possible to do this "out of ...
0
votes
1answer
41 views

Disable power button on 2015 MBP

Me and my friends like having a laugh together and as part of that we turn each other computers off and spam tabs till the computer crashes. Is thee a way how to disable the power button on my MBP ...
0
votes
0answers
69 views

MBP not charging despite SMC reset

Late 2008 Macbook pro4,1, "Battery not Charging", steady green led. Battery seems fine, and is after market but won't charge. It worked well a week ago before not being used over the long weekend. ...
1
vote
1answer
668 views

How to use external monitor with MacBook Air closed and on battery power?

I often use my MacBook Air (running OS X 10.9.5) closed at a docking station, where it's hooked to external monitor, keyboard/trackpad, and power. All good. The only issue is that occasionally the ...
1
vote
2answers
431 views

Thunderbolt dock statation power charging

There are two types of dock stations on the market: Docks use external MagSafe adapter to charge MBP. (MagSafe should be bought additional from Apple). Docks with only Thunderbolt connection to ...
3
votes
2answers
936 views

Can I use a Mac mini without the power brick?

I don't have the power brick for my Mac mini with me but I have cord that plugs into the back of it, can I use it without and plug directly into the wall? Any harm? The model is A1347
1
vote
1answer
771 views

How to disable “always on” USB power on Macbook Pro

I am operating my MacBook Pro early 2015 within a Henge dock (HD03VA13MBPR) , connected to two external displays and external speakers. Both displays and speakers get power from a power distributer ...
0
votes
1answer
38 views

Need Help With iPhone 4

I have an iPhone 4 that I shut off with the touch assist because my lock button is broken. How do I get my phone to turn back on?
6
votes
4answers
78k views

How do you get the Apple Watch out of Power Reserve mode?

I got it into power reserve but can't figure how to resume normal mode. I have tried tapping and pressing the screen and holding both side buttons.
1
vote
1answer
2k views

USB Devices Disabled when no devices are connected

using iMac 5K OS 10.10.3 When there are no USB devices connected to iMac, it keeps showing this. I tried SMC resetting, booting through Safe Mode, and nothing is working to make this alert go away. ...
1
vote
1answer
211 views

Show USB power use

I wanted to see how much power the Anker Astro external battery draws when charging from the MacBook Pro (Retina, 15-inch, Late 2013) (right hand port next to the SD slot), but when listing the USB ...
1
vote
1answer
86 views

Macbook Pro not charging

My 2009 Macbook pro is not charging. I recently bought a new power adapter and when I plug it in the computer starts up fine although the date is set back to Jan 1 2001. When I click on the battery ...
1
vote
2answers
81 views

Can I get power from my Belkin Express Dock HD (Thunderbolt 2) for my MacBook Pro Retina?

I plug my MacBook Pro to my Belkin Express Dock HD via Thunderbolt, but I see that my battery is getting down. I was hopping to get power from the Dock. Is there any solution to this problem?
1
vote
1answer
110 views

Can I use a Early 2011 MacBook Pro 13“ charger with my Late 2013 MacBook Pro 13” with the MagSafe Adapter?

I bought a Early 2011 MacBook Pro 13" but eventually upgraded to a newer Retina Late 2013 13" model. I'd like to get another charger, but I'm curious if I could use the old charger that came with ...
1
vote
2answers
61 views

Charge MacBook with USB (Adapters?)

I want to buy an external charger, it has USB. Are there any adapters (including transformators, I think that might be needed, right?) so I can charge my MacBook with the external charger?
0
votes
1answer
41 views

Will this MagSafe power adapter work on my MacBook Air?

My MBA's model number is A1369. I bought this power adapter: 85W magSafe 2 Power Adapter. Model number A1424. I know it's not the ideal power adapter, but will it work on my MacBook without a ...
0
votes
1answer
291 views

Power adapter green light blinking on - non genuine adapter

I recently acquired a new power adapter 85W for my macbook pro retina late 2013. I made sure the specifications matched the official Apple adapter and in fact I have not noticed any performance ...
0
votes
1answer
97 views

MacBook Pro does not power on sometimes

I have a MacBook Pro 15″ Late 2008 (5,1). Sometimes it just won't power on. It works fine. I shutdown, then when I go to turn no it just does nothing. Previously I removed the battery and the charger, ...