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power issues

  1. K

    MP 1,1-5,1 Mac Pro 5.1 Power issue

    Hello Everyone, I have a problem and I will be crazy. The problem is my Mac Pro 5.1 has a power issue. when I plugged the power both CPUA and CPUB Overtemp LEDs are lit red 0.5 sec then they off just still 5v LED light. but that 5v LED light very soft. When I pressed the Dıag button that 5V...
  2. Edo_D

    MP 1,1-5,1 Mac Pro Mid 2012 Wont Start up and Shuts Down

    Hi Guys, Newbie here so apologies if i am posting something that has already been asked before as i could not find a specific thread about the issue i am having. I purchased a second hand 5.1 mac mid 2012 mac pro with no operating installed on the SSD. I connected everything up inc the...
  3. Lord Blackadder

    Help! Mac Pro 5,1 Power Issues

    I’ve had an issue with my Mid-2010 Mac Pro (5.,1) for over a year now…the machine still runs fine when it is on, but has the issues with startup/sleep described below. I’ve spent many hours reading posts on the Apple Support community, Macrumors, and elsewhere. From what I have gathered, nobody...
  4. J

    MacBook Pro 15 Late 2011 Power issues

    Hi all, New here so forgive any lack of understanding. Not only new to MacRumors but new to owning a MacBook Pro. Here is my issue: I bought a used MacBook pro 15 inch off eBay and it turns out it needed a new battery, I looked around and I decided to pay the premium for an OEM battery off eBay...
  5. J

    Power issue....

    I have a 13" 2012 MacBook Air. When I plug in the power cable the LED does not light and the battery does not charge. However, if I remove the battery connection from the logic board, the LED lights. When I re attach the battery to the logic board it charges. If I remove the power cable and...
  6. ok100

    2011 Macbook Pro Power Supply

    Hi guys/gals, I'm looking for some advice on an issue with my (slightly elderly) macbook. The issue is to do with power supply. The laptop runs perfectly while plugged in, but the second I disconnect the charger it shuts off immediately. As far as I can tell it is not a problem with the...
  7. H

    MacBook turns off with lid closed; requires power adapter to start

    Recently after replacing the battery in my late 2011 MBP, the system will shut off after several hours of having the lid closed. When opening the lid, instead of waking from sleep, the system won't power on unless it is plugged into the power adapter. I've tried holding the power button for 10...
  8. mshcherb

    Battery Issue - HELP?

    I have a TB 13" Mac Book Pro (almost brand new, got it when it came out, so I'm pretty pissed off that this is happening). The battery is stuck at 92%, the status shows "Battery Not Charging." Tried SMC reset three times, to no avail. Anyone know another fix?
  9. A

    MBP 15" won't Turn on.

    My MBP 15" (mid 2010) is in bad shape, but I was hoping to at least remove my files before finally getting rid of it. However, when I try to turn it on, the MBP won't even start up! when I press the battery indicator all 5 lights flash. The Mag safe adapter is green indicating it is...
  10. Amirzahir

    Macbook Pro Late 2011 Wont Charge

    Hello After 2 weeks of intensive research and info Learned, I have not found the answer of my issue or problem. Its like this, I have a Macbook Pro Late 2011 and works very well did upgrade the hard drive at the mac store a few months ago. and worked fine. But then I started to have issues...
  11. mbernhagen

    iPhone 6 won't power on, but has voltage

    My iPhone 6 64gb had the sapphire camera lens break on back, which eventually led to dust/dirt getting on rear camera. So I decided to buy a new lens and camera to fix it. I opened the phone up and removed the old camera, only to realize a 6 plus camera was sent to me. So i packaged the phone...
  12. PickledPC

    iMac won't turn on - HELP!

    Lightening hit by the house and iMac won't boot at all. I've diagnosed it fairly well, I'm down to the power supply or Logic board, but which one? With the diagnostic lights I get the first one meaning I have constant power from the power supply. When I press power button no second light. I've...