Mac Mini :: Power Light Not Coming On After Resetting PMU

May 26, 2012

I reset the PMU trying to get this monitor to work with my Mini. And that fixed it.  However, I have lost my power light?what the heck to do to restore that as with the noise in this office, its the only way I know if the mac is on other than having the monitor switched to this box?

Info:Mac mini, Mac OS X (10.7.4)

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MacBook Pro :: No Sound Coming From Speakers And Red Light Coming From Headphone Jack

Oct 10, 2007

first time i have ever come across. I have a Intel 2 MacBook Pro. There is no sound coming from the speakers even though it is not muted and the vol is turned to the max. There is sound coming if i plug headphones in the jack. Just noticed that there is a red light coming from where the headphone jack is...anyone have any idea how i can get my speakers to work again?

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Mac Pro :: Red Light Coming Out Of Headphone Jacks / Fix It?

Jun 9, 2006

I am on an iMac, and there is a weird red light that comes out of my headphone jacks. But it is only sometimes that it happens. It also happens in windows. What could this be? Is my iMac Intel possessed?

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MacBook :: Its Not Charging And No Light Coming On?

Jun 4, 2012

Just today my macbook ran out of battery and I went to charge it and no light comes on. Also the case n the charger port looks a bit pushed back.

Info:
MacBook, Mac OS X (10.7.4)

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MacBook Pro :: Red Light Coming Out Of Headphone Jack

Nov 29, 2009

Last weekend, after I took my headphones out of the computer, I couldn't get any sound from the mac, and the volume controls on the keyboard didn't work. 5 minutes later I noticed a red light coming out of the headphone jack. I looked around for answers and apparently all you need to do is stick in a matchstick or Q-tip and wiggle it around to fix the sensor. It worked the first time. I could get sound from the mac and the next couple of times after unplugging the headphones, everything was normal. The problem has come up again, and I'm looking for a permanent fix. Am I looking at a trip to the Apple Store to get it fixed, or is there something I can do?

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MacBook Pro :: Red Light Coming From Headphone Jack Using XP

Jan 18, 2010

What's up with the red light coming from my headphone jack. It only turns on when I am in Windows XP via Bootcamp. It doesn't turn on while using OSX.

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MacBook Air :: Its Not Charging - Green Light On Charger Isn't Coming On

Apr 29, 2012

Green light on my charger isn't coming on. Some times it does, some times it doesn't?

Info:
MacBook Air, Mac OS X (10.7.3)

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MacBook :: Headphone Jack With Red Light And No Sound Coming Out From Speakers

Feb 13, 2010

ok the other day i opened my mac book and i couldnt listen to my music through my speaks and i tried to turn up the music cuz maybe it was on mute but i got a pic like this (If u cant see it but its the speaker up full volume and the not allowed symbol the circle w/ the line through it) and then i discovered that there is a red light coming out from speaker jack and i could only use my sound through headphones or a jack through other speakers (like a sound system) but no only that i can only hear through the right side of the headphones unless i hold the cord a certain way

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Windows On Mac :: Run Vista Via Bootcamp Got No Sound (red Light Coming From 3.5mm Jack)?

Jul 18, 2010

I'm trying to run vista via bootcamp. all seems fine except I got no sound (red light coming from 3.5mm jack)

I have no yellow !!!

Am I using a wrong driver?

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Power Mac :: Resetting OS X 10.5 With No Install Disk?

Jun 8, 2012

I bought a Power mac G5 from a guy my brother knows but it seems to be running slow and I cant install 3rd party apps, is there any way of resetting it with no install disk?

Info:
PowerMac, Mac OS X (10.5.8)

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Power Mac :: G5 Turns On But No Power Light

Feb 5, 2012

Today I turned on my G5 to recover some files off an old iMac hard drive (can't very well read HFS+ using Windows), and my G5 refused to boot. Your press the power button, the power light flashes normally when you press on the button, but it powers on but the power light never comes on and there isn't a "bong" sound. The fans come on normally, but after a while the fans start picking up speed until they are at full speed.

I tried swapping ram, no change. Pulling ram, no flashing lights, pulling air deflector shield, full speed fans and red light (tells me something is working at least), swapping the video card, pulling the video card and still nothing. The 17" Studio Display power button works to turn on the system, but it has no light either saying the computer is on. 

Based on the full speed fans after a while, I'm willing to say I have a failed processor, but that is just a wild guess as I don't normally work with Macs. The system is a Dual 2 GHz Power Mac G5 with 2 gigs ram, 80 GB hard drive, Plextor PX-712A DVD burner (I got this with a DVD-ROM), stock Radeon 9600 Pro and an Airport Extreme card. It runs Mac OS 10.5.8 and has worked great up until today.

Info:
PowerMac, Mac OS X (10.5.8), Late 2004 2 GHz Dual Processor

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Mac Pro :: Get A Large Noise That Seems To Be Coming From Around The Power Supply?

Apr 18, 2012

Every time I start up or wake up my mac pro from sleep I get a large noise that seems to be coming from around the power supply. The best way to describe it is that it soudns like a buzzing sound or like one of those large elctrical transformers outside except not as loud. It goes away within 5-10 minutes.

Info:
Mac Pro, Mac OS X (10.7.3), MacPro 2,1 - 2 x 3ghz Intel Xeon

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Power Mac :: No Windows Coming Up When Opened Safari (4.1.3)

Jun 12, 2012

Suddenly, I cant get windows to come up when I open safari. I reset safari, emptied cache, repaired permissions and zapped the PRAM.

OS 10.4.11
Dual 2 ghz Power PC G5
Safari 4.1.3

Info:
PowerMac, Mac OS X (10.4.11)

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Mac Mini :: Intel-based Resetting The System Management Controller (SMC)?

Apr 2, 2012

I reset smc but fan still running fast.

Info:
Mac mini, Mac OS X (10.6.8)

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Power Mac :: Stream Of Static Sound Coming From Speakers

May 31, 2012

I have logitech speakers set up with my MacPro, and there is a steady stream of static noise coming from the computer. It's not the speakers because I have tested them with another device. It's definitely coming from my desktop. The strange thing is that if I restart my machine it goes away for a bit. But it starts back up as I open programs, browse the web, etc.

Info:
Mac Pro, Mac OS X (10.6.8), 2.66 GHz Quad-Core

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MacBook Pro :: Stop Applications From Coming Up When Power Up The Computer?

Jun 17, 2012

How do I stop applications from coming up when I power up my computer. If this were a Windows system I would be able to take the app out of the start up folder. On the Mac I don't know how.

Info:
MacBook Pro, Mac OS X (10.7.4)

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Power Mac :: Windows Media File Is Coming Over As Text Files?

Mar 30, 2012

My window media file are coming over as text files? I am using a Ethernet cable and copy paste to a new folder . Even when I am looking at my g4 with file share on my g5 the files do not show as media files but the do show that way on my g4? I have 10.5.8

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MacBook Pro :: Freezes Randomly And Beeps When Coming Out Of Power Down Sleep

Jun 27, 2014

So, I have a late 2011 MBP 2GH i7, OSX 10.9.3. 500GB HD 16 BG 1600 Mhz DDR3.  

The problems started a while ago when the computer started freezing at random times. The mouse would move and there was no "pinwheel" but the computer was unresponsive. When I closed the screen the power was still on and the screen did not shut off. The only way to reset the computer was to hold the power button and do a hard reset. I don't remember if I replaced the RAM from 4BG to 8GB Crucial Memory before or after the computer started freezing, either way, shortly after or around the time when I replaced the ram the hard drive also failed.

I replaced the HD with I believe a Seagate hybrid drive with a small solid state segment. This whole time the computer is still freezing and now since I have a hybrid drive the Apple store can't support because it's not factory specs and MacMall here in Santa Monica can't find anything wrong with the hardware or software after running all of their tests. 

At this time I have a feeling it is the ram so I purchase a new 16GB Crucial RAM. Everything is great till it yet once again freezes in the same way as before BUT!! Now if the computer sleeps because the battery run's low, when I plug it in and the computer reboots (grey opaque screen with the vertical lines as the bottom) it starts beeping 3 times. I hard reset via the power button and the computer boots up as normal (although a little slower).  

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MacBook Air :: Random Click Noise / Sound Coming Out Under Power Button

Feb 9, 2008

I got my MBA for 2 days now. Everything works fine except I heard these randomly Click noise coming out from under the power button place every once a while . It only does it once everytime when it happens and the click sound goes less than a second. Is this suppose to be normal?

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MacBook Pro :: Power Light Is Only Red?

Dec 8, 2010

My Macbook Pro randomly shut off (I don't think it was low on battery, but I can't be 100% sure.) Now when I plug in the charger, the light on the charger is green for about 6 seconds, then goes to red and stays red. I cannot turn on the computer, and there is no sign that it is even charging.

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MacBook Air :: Power Charger Light Keeps Going Off

Dec 6, 2010

Power charger light keeps going off, I have to unplug and plug it back in to make it come back. Charger is still working. This started happening this evening. Anyone else having this problem? Should I contact Apple tomorrow or wait and observe a little longer?

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MacBook Pro :: What Does Red Light On Power Adaptor Mean

Dec 9, 2010

What does a red light on the power adaptor mean?

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Mac Pro :: Power Light On But System Will Not Start Up

Oct 16, 2008

I have a G5 Dual 2.5 and the power light on the front (white) is lit but nothing happens when I press the power button. I was trying to reset the PRAM manually by pulling the battery and inplugging the unit because my startup shortcut keys were not working. I had seen it recommended to reset it by pulling the battery and reinstalling in other threads. I put the battery back after about 15 sec and plugged in back in. Now it wont start up.

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MacBook :: It Won't Boot-up Power Light On

Apr 11, 2012

My MacBook won't boot up without the system disk, has Lion with 4 Gb Ram all updates, has a DVD stuck n the drive?

Info:
MacBook, iOS 5.0.1, 4 GB RAM

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Power Mac :: G5 White Light Flashing?

Apr 20, 2012

My PPC G5 Mac Power Pro has been working fine, on one startup recently the screen didn't come on, the keyboard and mouse did not pass the startup test and the white light flashes three times. After a while the fans go into hovercraft mode! I've reseated the RAm and checked all other cards.

Info:
PowerMac, Mac OS X (10.5.8), To be supplied

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MacBook :: Power Light Not Turned On - Ominous?

Sep 10, 2009

My Macbook, I have just become aware that the light for power on isn't on, nor does it pulsate on standby. Everything else seems to be working normally, so I can live with this. But could this be a symptom of precursor of a more serious problem elsewhere?

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Power Mac :: G4 Quicksilver Logic Board RED LIGHT?

Mar 12, 2012

I've been using my pmg4 for a while, just recently I noticed that there is a red light located on the logic board on corner of processor heatsink and ram boards. this light is active during when the computer is on. the computer did not misbehave but is it trying to say something? is this normal operation?

Info:
Mac Pro, Mac OS X (10.7.2), MacBook Pro 13.3 | Logic Studio |

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MacBook Pro :: Yellow Light On Power Cord

Apr 1, 2012

Wondering if the yellow, charging light, sometimes coming on and going off is an indication of my battery going dead.  Mine is a UMBP and the battery hasn't been change.  Don't use it too much, though.

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MacBook Pro :: Flashing Red Light On Power Chord?

Jul 2, 2012

I have an old macbookpro which doesn't have a good battery.  last night it shut off because I didn't have the power chord attached.  now I can't power it up.  the light on the power chord flashes (slowly) between red and green. 

Info:
MacBook Pro, Mac OS X (10.4.7)

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PowerPC :: Light Goes Out And Ibook Switches To Battery Power

Apr 2, 2007

I have an ibook G4 (2years old, a part of the battery swap program) that charges normally... for about twenty minutes. Then the light around the charger turns from it's normal "i'm charging" orange to nothing, the light goes out and the ibook switches to battery power. I've just inspected the power chord and there are no strains or tears, the plug at both ends are in good condition and the ibook power socket is fine too.

I've turned the ibook off for a period of time (two days) and reset the power manager... still no difference. The ibook looks and acts just like it should until about twenty minutes into the charge then the light turns off and it's like it's been disconnected. The chord is in correctly, i've even tried the apple extension chord = no joy. If i reconnect the power chord at the wall it's fine, starts charging again... and yes i've tried different sockets on different circuits in the house!

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