smc

  1. R

    Mid 2012 MacBook Air - Trick SMC or logic board to use any custom battery. - 820-3209

    Hello, I'm wondering if there are some ways to hard wire or mod the logic board of a 13" Mid 2012 MacBook Air (820-3209) to boot from any custom made battery. Basically tricking the SMC to not validate the battery. I do not want to use SMC bypass since that will defeat the purpose and the...
  2. D

    I tried to install Windows 10 Pro using BootCamp and now the EFI boot screen is blank (black)

    I am using a Mac Pro 2013 6-Core 3.5GHz 64GB RAM Dual D500 machine with a fresh install of macOS Catalina 10.5.3 which was working like a charm (flawlessly) until I tried to install Windows 10 Pro (64 bits) using BootCamp, everything went fine until macOS asked to reboot the machine to continue...
  3. A

    Unresponsive A1278 (Early 2011 MBP 13") 820-2936

    Details: - MBP Early 2011 13" (820-2936) - A few days back after connecting with power adapter fan would just pulse, and HDD would keep clicking. CPU and PCH would decently warm, but not really hot hot. But not anymore, it's all just cold. SMC was reporting temperatures but fan would move...
  4. iceman45575

    2018 15 inch MacBook Pro not booting

    Hello everyone, I was using my computer earlier and closed the lid when I was done with it. I came back later and the mouse and keyboard weren't responding. I couldn't do anything on the computer so then I held down the Touch ID power button. I turned it off and then waited for it to turn back...
  5. Buadhai

    Remote MBA (2010) Battery Not Charging But Power Connected

    This is a remote 2010 MBA running Mavericks to which I connect via Chrome Remote Desktop or SSH. When I connected this morning I noticed the battery percentage was only 47%. The Menu Bar battery tool shows: When I logged in an hour later the battery was down to 42%. I know that I need to...
  6. D

    MP 6,1 Latest Boot ROM and SMC version on Mac Pro Late 2013 (trashcan)

    Hi, I am planning to upgrade the SSD on my Mac Pro 2013 (trashcan) with a third party NVME drive and all of them seems to require to have the latest Boot ROM version / SMC version in order to work properly with the machine. My system is showing Boot ROM Version: 130.0.0.0.0 and SMC Version...
  7. F

    MP 1,1-5,1 Mac Pro (Mid 2010) SMC Failure?

    Im having an issue with my new Mac Pro 2010 I purchased. I transferred all my components from my 2008 Mac Pro (SSDs, HDDs, Disk Drive (2nd Bay), Video card, etc. I upgraded the processors to 2 x 3.46 GHz 6-Core Intel Xeons. Upgraded the OS to High Sierra and everything seems to be perfect. Im...
  8. L

    Late 2011 MacBook Pro 13" sees battery but no data.

    Hi, I Recently acquired a used late 2011 MacBook Pro 13' (820-2936). The unit would only power on when plugged into the ac adapter and no battery was recognized in os x. After doing some research I replaced the battery with a brand new known good one. The macbook now has the same issue except...
  9. Fan1s

    MBP9,2 ROM224.0.0.0 Downgrade help

    Hi guys, I am a newbie on this forum, but I am a user of macbook for many years. I have home one Macbook Pro mid2012, i5 2,5Ghz. I was changing a motherboard, but it lost my serial number. I have it form bottom of mac. When I look at "about my mac" the field for serial number is empty. I can...
  10. NoFanNoFun

    Battery and Fan issues (SMC?)

    Hello MacRumors, About two weeks ago my battery died suddenly. After this, my battery icon alternated between an X and 100% charge with a replace soon indicator. Computer died whenever not plugged in. I ordered a replacement from MacSales.com and upon replacement everything seemed to be great...
  11. L

    Built-in Keyboard and Trackpad not working

    Hi, I have a Macbook Pro Retina, Early 2015, and I've been running into some problems lately. The built-in keyboard and trackpad isn't working, and I really need it working since I use it for uni. I've checked mostly everything, done anything within my power. I'm too afraid to open it up and...
  12. smackparsa

    Macbook 12 inch Freezing

    Hi guys, I recently started having issues with Macbook 12 inch freezing randomly during video playback/heavy java use on the internet mainly YouTube + other java intensive sites. Now it will barely startup. I tried resetting PRAM, SMC, Safe Mode & Internet Recovery. Reboot after Internet...
  13. M

    SMC issues after liquid spill, MBP 13-inch mid-2012

    Hi all, I have a "MacBook Pro (13-inch, Mid 2012)", which has had coffee spilled over its keyboard and air-vent. As soon as that happened, I shut it down, opened it up and unplugged the battery. Took it all to pieces as much as possible, dabbed up all the liquid I could see, then left the...
  14. M

    SMC Malfunction Unrelated to Logic Board and Battery

    Hello, I have a late 2011 MBP that keeps shutting off randomly. Once it shuts off, it requires me to do an SMC reset to power it back on. Luckily I have another MBP of the same model so I swapped the logic boards to see if that was the problem, it was not. What I know so far: -Not a battery...
  15. G

    Retina Mid-2015 15" - MacBookPro11,4 (IG) - A1398 won't turn on

    I need your help and expert suggestion. I have a Retina Mid-2015 15" - MacBookPro11,4 (IG) - A1398. It was working last 2 years without any issue. Suddenly 2 days before doesn’t turn it on. The mega safe adapter light stays on Green. I have made some attempt 1. Reset the System Management...
  16. ondert

    Is it safe to use Macs Fan Control app?

    Hello, I have a late 2016 15" MacBook Pro with Touch Bar. Recently, I just checked the temps via iStat Pro and saw that during gameplay gpu temp rises up to 80 Celsius degree. However, the fans were spinning at about 2700 rpm. It was not like that before. Generally, the fans used to kick in and...
  17. Mowen93

    My experience- Another 27” power issue

    For the past 2 months I’ve been experiencing intermittent shutdown issues with my iMac 27” from mid 2015 which is still covered by Apple Care. It first started when I noticed that my Mac kept powering off while I was away from it. Gradually as time went on (3weeks) id notice my Mac was turned...
  18. corefocus

    Loud fan noise and severe lag after wake from sleep on Mac Pro 2,1

    Hello all, I've got a Mac Pro 2,1 which I've upgraded both the firmware and SMC from 1,1. It seems to run perfectly fine on OS X Mavericks and wakes from sleep with no issue. The fans may run a bit high (around 1800rpm) but it isn't as bothersome as the Windows 7 side. After I wake up the...
  19. fhturner

    Mac Pro 2007 (2,1) fans on siesta

    Got an interesting one here... Doing some testing on a 2007 Mac Pro 8-core 3.0GHz machine, and its CPU fans seem to regard their charges (the CPUs) with some degree of contempt. When under a sustained, heavy load, the CPU temps will climb and climb, eventually reaching 190F or so and causing the...
  20. GPellizzon

    Function keys aren't working on my iMac

    The only function keys I use frequently are F1, F2, F3, F10, F11 and F12 and they used to work properly until one of these days when F1, F2 and F3 stopped working all of a sudden. F10, F11 and F12 (volume keys) are still working though. I went through many troubleshooting guides that suggested...