MacBook Pro :: External Speaker Buzz When Charger Plugged In
Apr 19, 2009
I've noticed a faint buzzing sound through my external speakers when a charger is plugged in to the laptop. Removing the charge kills the noise and makes the sound crystal clear again. Doesn't bother me to much, but as my uni-macbook pro is plugged in most of the time I can see this near constant buzz getting on my nerves a bit in the future. Any ideas, looking back I experienced the same thing with my macbook.
today I noticed that my speakers have a buzz/hum sound coming from them. The speakers I have are the Logitech X-240 with a subwoofer. The speakers are hooked up to the subwoofer, which is hooked up to a sound base that is connected to my MacBook.
is it okay to leave my charger plugged into the wall socket on all the time? Even when im not charging my MPB? I have this strange fear that the charger will die on me faster if i leave it plugged in all the time.
I have an early 2008 Macbook and it's been running pretty good up until this afternoon. Now I'm having what is apparently not all that uncommon a problem, where my laptop will only remain turned on for as long as my laptop is plugged in. The second I remove the charger it turns off, and it won't turn back on again until I plug the charger in again. I had bought a replacement battery not all that long ago so I'm not sure if that would be the issue. It could be related that last night I installed more RAM into my laptop. I say could be because I was using the laptop NOT plugged in for the rest of the night and most of the this morning without any problems. It wasn't until this afternoon when I started using my laptop again that the problem arose. Could this be a delayed reaction to the RAM installation or is it just a coincidence and there's a problem with my battery?Â
Here's the info from System Profiler:
Battery Information: Model Information: Manufacturer: SMP Device name:ASMB016 Pack Lot Code: 0000 PCB Lot Code: 0000 Firmware Version: 0110 Hardware Revision: 0200 Cell Revision: 0102 Charge Information: Charge remaining (mAh): 4898 Fully charged: No Charging: Yes Full charge capacity (mAh): 4926 Health Information: Cycle count: 282 Condition: Normal Battery Installed: Yes Amperage (mA): 2123 Voltage (mV):  12198Â
I have Windows installed on my MacBook. A few days ago. My MacBook showed a black screen . I plugged it into my charger and it works fine, once I unplugged it shows that the computer is on but shows a black screen. Another issue is that only windows is working. I cannot even logon to OS
I accidentally left it on while I was doing some chores. When I came back it was dead (no battery). So I plugged in the charger and it immediately turned bright green when its supposed to be orange first, right? MacBook says (Not Charging) but power source: power adapter, green light is on, on the Magsafe. It's running by the power source because the battery is at 0%. I've had the charger plugged in for less than/about an hour and the 0% still hasn't changed. (Not Charging) is still there too. I bought my Macbook last August 2009, so it's not even a year old.
I purchased a MacBook a couple of days ago and it has been fine. However, today I've realised that the back of it at the bottom is getting really hot, even when the charger is not plugged in. I am not using powerful apps either.Sometimes it can almost be too hot to touch for more than a couple of seconds. This happens on any surface, whether it's on my wooden desk or not.
The back getting hot also heats up the rest of the Mac to some extent. does it need seeing to and if so will I be charged?
Info: MacBook Pro with Retina display, OS X Mavericks (10.9.4)
I have been using my MacBook pro for a lot of film editing and motion graphics. Recently, I noticed that my battery kept going down, even when charging. I thought nothing on it and kept using it. After around 4 hours, the battery went from 90% to 23% WHILE plugged in. This got me nervous. When I plug in the MagSafe charger, the light comes on and I get the "charging" symbol in my toolbar. The light turns orange and then, after a few minutes, the power starts to go down instead of up.Â
The laptop does charge, but only when I am running no application, when the screen is shut or when the laptop is powered off. Bear in mind that right now, I am on Firefox, that is the only application open, yet the charge is still going down. I assumed it was because I was using Premiere CS6, After Effects CS6 and Cinema4D, but now even when they are not open, the batter will not charge when I am using the laptop.Â
I am currently only running Firefox and Finder. Now the laptop is charging as usual. However the second I open up Premiere, After Effects etc, it goes down.
Info: MacBook Pro, Mac OS X (10.7.5), 2012 edition
it only runs with the charger and also when I plugged in it starts automatically. The battery icon indicates that it has an 83% of the battery remaining. I don't know how it could happen and I would like to know if there is anything I can do because take it to repair it will be time consuming and I need for my job. The software is OS X 10.9.3Â
Okay, So i have my Unibody Macbook Pro (late 2009) hooked up to external speakers (RCA Home Theater system with a standard audio cable). Everything works fine and there is no buzz or sound except for the music of course until I plug my printer in. I know the obvious solution is to unplug the printer when listening to music but the printer is shared and other people print off of it etc. and I was wondering if anyone knew why this happens.
Whenever my MacBook has the charger in, there's constant 'drone' of bass from the subwoofer that my laptop is connected to, but as soon as I take the charger out the noise stops. Is there any way to stop this from happening (ie moving the cables round?) or is it just something I'll have to live with?
I recently bought a late 2011 15" macbook pro. Lately it emits a single beep every 5 minutes while it's running charger power. It emits the beep whilst charging and when the battery is full and the charger is still in. I've done a hardware test which didn't detect any hardware problems. The battery appears to be in good health and so does the charger.
Im in England currently (From the USA) and am using a "DYNEX" converter adapter to switch the electric current down so I can plug in/charge my Macbook Pro and iPad. Â It works, however the charger buzzes pretty loudly and gets hot. I brought two, one started smelling like melted plastic and stopped charging altogether. That particular charger has faulted at home before (back in the USA), so I'm not sure if it died because of the converter or because it's just faulty. Â
I have plugged in the newer charger and it also buzzes, but I'm really worried to keep it plugged in because I don't want it to fault out too. Is it normal for it to buzz like that when plugged into a converter adapter? Â
I let my new mbp(mid 2012) battery run down. It was on, I walked away for one minute and came back and the mbp was shut down. I plugged in charger and the mbp won't turn on at all. I got it on Tuesday so it is brand new.
I was launching my sims game when I plugged in my portable charger in my MacBook Pro. As soon as I plugged it in, I heard a tiny poof and next thing I know the screen turned black. I held down the power button like I normally would and it wouldn't work. when I plug in the charger, there is a faint green light.
I have a 2.1 Logitech Z4 setup, and the sound is only coming out of the left speaker. I have checked the wires, they are fine, and both speakers do work - but it could be the socket that's the problem. It's plugged into the line-in socket, I have put the output in System Preferences to Headphones, and everything is inserted correctly.
What do I do?
EDIT: My sound system is plugged into the headphones jack. I have tried putting headphones into the headphone jack and the sound also only comes out of the left earbud.
So I just got hold of a few of these new battery chargers from Apple and I'm just wondering if these are meant to stay plugged in the wall, even after the green light goes off. Does the light going off mean that the batteries will no longer draw power from the power outlet and that it is safe to assume power will continue to be consumed? Or is it preferred that I plug and unplug the charger only when needed to avoid any, unnecessary, extra power consumption?
About a month ago, the battery on my Macbook (the black one) started to get worse and worse, to the point where it would work if plugged into the charger, but would automatically turn off if disconnected. After much research, I bought a replaceable battery (not through Apple, but not through a sketchy website either) in hopes it would bring my laptop to some life.Â
The new battery is now doing to same thing as before. Working if plugged in, automatically turning off if disconnected, and always shows that it is at 0% charge. Is there anything else I can do? I know I'm due for a new laptop, but I'd really like to keep this one around for just a few more months!Â
After I upgraded OS X Yosemite on my Macbook Pro that seems I can't play sound with my external speaker, I hope that this issue is only Bug not impact with my hardware.
I have this gorgeous 22" ACD that I have plugged into my G5, where I use it quite often. But my intention for the G5 was to be a server, which it is. I often need some extra display space when I'm doing school work, or coding, so I was wondering if there is a way that I can use the display, while plugged in to the G5, as an external display for my MBP. Preferably something that I could stream over my local network.
I have an iPhone 4 and am strongly considering buying the MB Air 11.6in. I'd like to get an external battery that I could use for long flights, that in a pinch, could be used with either the iPhone or the MBA.
I have put contents of an external hard drive in the trash but not yet deleted them. How do I remove them from the trash (not delete them) as every time I plug the hard drive into the Macbook pro they show up in the trash again. I do not want them deleted.
I have to have my hard drive replaced on my Macbook Pro. I bought an external hard drive (Buffalo) plugged it in and nothing no pop ups for instructions. Does a new hard drive (external) need something done to it on first time use?
I have a white plastic macbook which appears not to be able to connect to my wireless network. All the other PCs and a Mac Mini in the house connect fine, but the macbook does not.It has connected since i got it, both to the home network and a network in school, but today it promted me for the wireless password, connected a few times but did not give me a IP address, and now will not connect at all! The network appears in the list, i click on it, enter the wireless password, then it says connecting before connection failed.
The network setup is a Cisco router connected to the modem and then connected to the wireless too. There are no computers connected via cable to the network.
My boss just gave me a MBP Core I7 2,66Ghz / 4GB Ram, model mid-2010 for the business. It is equipped with Nvidia GeForce GT330M as PCIe video card. If I plug an external monitor, I have, after some time between minutes or hours of work, a weird video problem, which obliged me to power off/on the MBP. Sometimes I even can see my mouse moving, but I can't do anything with it. If I do not use the external monitor I do not have problem. This type of problem appears around 3-4 times a day and make the MBP unusable, as I'm loosing the recent work each time the problem occurred.
Here is the extract of the console at the time of the crash :13/03/12 16:45:51,203com.apple.kextcache/: no supported helper partitions to update.13/03/12 16:47:29,000kernelNVDA(CopyEngine): Channel exception! exception type = 0x27 = CE0: Unknown Error13/03/12 16:47:29, ..... The problem seems related to NVidia GPU. I've reinstalled everything from scratch without success.
I use my MBP 15" (the new one), as my primary machine in my office. I sit by my best usually 10-12hrs a day working on it.
I am trying to figure out what is best to do, keep the AC plugged in or have it un-plugged and only plug it in when the battery is drained (or less then 50%)? I have tried different experiments, plugged in, not-plugged and time is about the same for life of the battery. The true question is, how is is best to do it for the health of the battery.
A few months ago I bought : iMac 27" 2.8 GHz Quad Core i7 8GB DDR3 SDRAM 2x4 2TB Serial ATA Drive ATI Radeon HD 4850
Actually, still moving into it from the old one, haven't spent allot of time on it, hard to get out of the old one with my photoshop work. Anyhow, whats a good external speaker system for it? I find myself with the volume maxed out on the internal iMac speakers now, don't think it's too good to keep doing that. Is the amp in the iMac my only control over volume? Can I buy a speaker system of very good quality that may have amps within them so I can get more volume to them? I have a real top end stand alone stereo system, but doubt the iMac iTunes can be run through that.
