Hi guys,
I am having a few strange issues with an old Early 2011 MacBook Pro 13-inch.
Specs:
Intel Core i7 dual-core
4GB RAM
1TB WD Blue Hard Drive.
I installed a fresh copy of macOS High Sierra 10.13.4 on it and immediately noticed a couple of things that were not normal. The first one is that there was no model in "About This Mac" were previously in Sierra, it actually said (Early 2011, 13-inch) where now it just says "MacBook Pro". It also
The other issue is that as soon as I unplug the charger, kernel_task uses 100% CPU and the whole laptop becomes sluggish. This is definitely not a power problem, nothing is wrong with the battery as it didn't do it with Sierra and it doesn't do it in Windows or Linux either. The trackpad becomes extremely jumpy and windows and animation stutter. As soon as I plug the charger back in, kernel_task goes down and the laptop is smooth. If it wakes from sleep without a charger though, it's smooth.
I have reset the SMC and NVRAM/PRAM. It didn't fix anything. I noticed that the computer updated it's firmware as it made a long beep halfway through the High Sierra install.
I am now going to reinstall Sierra and report back if that fixes anything.
Any help would be greatly appreciated.
Thanks.
I am having a few strange issues with an old Early 2011 MacBook Pro 13-inch.
Specs:
Intel Core i7 dual-core
4GB RAM
1TB WD Blue Hard Drive.
I installed a fresh copy of macOS High Sierra 10.13.4 on it and immediately noticed a couple of things that were not normal. The first one is that there was no model in "About This Mac" were previously in Sierra, it actually said (Early 2011, 13-inch) where now it just says "MacBook Pro". It also
The other issue is that as soon as I unplug the charger, kernel_task uses 100% CPU and the whole laptop becomes sluggish. This is definitely not a power problem, nothing is wrong with the battery as it didn't do it with Sierra and it doesn't do it in Windows or Linux either. The trackpad becomes extremely jumpy and windows and animation stutter. As soon as I plug the charger back in, kernel_task goes down and the laptop is smooth. If it wakes from sleep without a charger though, it's smooth.
I have reset the SMC and NVRAM/PRAM. It didn't fix anything. I noticed that the computer updated it's firmware as it made a long beep halfway through the High Sierra install.
I am now going to reinstall Sierra and report back if that fixes anything.
Any help would be greatly appreciated.
Thanks.
