The electricity drained by a device

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1answer
596 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?
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3answers
8k views

Battery is not charging despite SMC reset

I have a problem with charging of my Battery which has been appeared last night. It was working perfectly well for a long time. All of my friends who had different laptops were so jealous at my ...
-1
votes
1answer
37 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
86 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 ...
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0answers
152 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
3k views

iPod 5 charger isn't working! What do I do?

I have A ipod 5. Every time I go to charge it with a dynex or apple charger it doesn't charge. The bar stays red for over an hour. I'm thinking that I have a short in my charger. I don't know what to ...
0
votes
1answer
90 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 ...
3
votes
2answers
2k views

No power through USB for Roland A-49

I just plugged my Roland A-49 to my MacBook Pro (Early 2011 2.3 GHz). The MIDI keyboard would have its power supplied via USB, but it has no power. The specification says it needs 98 mA current, which ...
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0answers
26 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 and,...
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0answers
146 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 ...
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0answers
258 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 ...
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0answers
80 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 ...
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vote
5answers
6k views

Power adapter connection issues

Lately, my Magsafe power adapter has not been connecting properly: The wires are not worn out as I take good care of them The issue happens when I try to connect my power adapter to my computer The ...
2
votes
0answers
95 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
2answers
479 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 MBP....
1
vote
3answers
260 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 ...
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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 ...
1
vote
1answer
826 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 ...
2
votes
2answers
3k views

Macbook power adapter issue: PPP003

I'm using Macbook Pro 15" Retina Late 2013. OS is Yosemite Public beta. Once in month I usually do diagnostics (Apple's boot time diagnostics, the when you press "D" ). The last the when I did it, I ...
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0answers
3k views

iPad 4 not charging solution with usb 3.0 dual ports Y adapter

Just recently picked up an iPad 4. Saw that it specifies "not charging" when plugged into the usb port. Saw that it is a common issue due to usb power. I have usb 3.0 ports on my desktop so I tried ...
0
votes
1answer
44 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 ...
44
votes
3answers
57k views

How can I keep my Mac awake AND locked?

I want to leave my Mac awake overnight so it syncs 4GB of data from Dropbox. I need to prevent the machine from going to sleep because that pauses the Dropbox sync I've been using Caffeine to keep ...
2
votes
1answer
713 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 ...
3
votes
2answers
993 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
0
votes
1answer
53 views

Is the MacBook Pro Retina (Old Version) meant to come with an extension cable?

Is this Apple MacBook Pro ME665LL/A 15.4-Inch Laptop with Retina Display (Old version) meant to come with an extension cable to plug into this charger? This is the cable I think is missing from my ...
0
votes
1answer
39 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?
1
vote
1answer
224 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
88 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
87 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
116 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
67 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
42 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
2k views

A1208 2006 Intel iMac Power Supply “Power Good” voltage?

This might be a bit specific, but I am trying to test a trashed A1208 Intel iMac (Late 2006 17" Model). The power supply is dead (Fuse was blown, bypassed with a wire and bang poof a resistor and ic ...
2
votes
2answers
2k views

Prevent iPhone from charging when plugged into a battery powered MacBook Air

I would like to prevent my iPhone draining power from my MacBook Air while the laptop is not plugged in and relying on battery power. How would I do this? Note, there doesn't seem to be any "unpowered ...
0
votes
1answer
298 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 issues....
0
votes
1answer
102 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, ...
0
votes
1answer
211 views

Options for Replacing 60w Magsafe Power Supply

For the second time in four weeks I've had to re-solder the mag safe cord back on to the power supply. This time, unlike the first, the cord broke on the negative terminal on the circuit board itself. ...
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vote
2answers
1k views

Using 45W Power Adapter with MacBook Pro Retina 15

I would like to know if I am able to use a 45W MagSafe Power Adapter in my MacBook Pro Retina 15 with a MagSafe to MagSafe 2 Adapter. I am normally using the original one (85W MagSafe 2 Power Adapter)...
3
votes
2answers
8k views

Does having Bluetooth enabled draw extra power when no devices are connected?

I generally turn off Bluetooth on my Macs and iOS devices when I'm not actively using a Bluetooth device. My assumption is that this saves battery life, but I realize that I have no fact to back that ...
0
votes
1answer
91 views

MacBook shows it is charging when MagSafe is green

My MacBook currently shows this even though the MagSafe charger has a green light. Does anyone know why this is? If it helps I am on a MacBook Air late 2010 with 819 cycle counts, 4,995mAh (...
2
votes
3answers
2k views

MacBook Pro shuts down when unplugged

I have a late 2008 MacBook Pro work computer. Here's the sequence of events: I fully charge the battery I unplug the Mac from the power cable The Mac immediately shuts down Before unplugging the ...
1
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0answers
354 views

Mac Pro 2008 Refuses to Boot

My Mac Pro 3, 1 began rebooting randomly one day and the next it wouldn't come back on. Pushing the power button results in a fan clicking in to life for half a second and then all power is lost. The ...
0
votes
1answer
186 views

Why did my Mac reboot into the “Set up your new Mac” screen after a power failure?

I accidentally turned off the power strip that my iMac was plugged into while it was still running. When I turned it back on again, it put me at the "Set up your new Mac" screen, asking me to accept ...
1
vote
0answers
93 views

MBP Powering Down When Idle

My mid-2012 MacBookPro (Model 9,2) has developed an issue with power in the past few weeks. When it is left awake for several hours, but is idle, it powers off. When I turn it back on and log in, it ...
1
vote
1answer
710 views

Turn on MacBook Air without keyboard

How can I turn on my MacBook Air model A1370 mid 2011 without a keyboard? I need to find the power on pads for the Mac:
2
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1answer
2k views

Turn down TX power on AirPort?

Our floor has a blind spot so we needed to place an AirPort to cover two rooms. The AirPort in this particular room is transmitting at a higher power than needed, and its bleeding onto some areas ...
0
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4answers
1k views

Macbook Air power saving with Thunderbolt to Gigabit adapter

I am considering buying a Thunderbolt to Gigabit adapter to save my MBA power consumption as I can shutdown the Wifi, assume it use a lot of power. Anyone tried before and it works? How many % of ...
3
votes
3answers
6k views

My MagSafe to MagSafe 2 converter becomes extremely hot. Why?

Out of nothing, my MagSafe to MagSafe2 converter became extremely hot while charging. So hot, I could not even touch it. What could cause it? I've been using it so I can leave multiple old 85W ...
11
votes
1answer
258 views

Macbook started to consume battery more quickly

This seemed to happen after I did several things at once (all of which I have since reversed in trying to track this down): installed a (Crucial M4) SSD drive (replacing my old SATA 5400 RPM drive), ...