![]() Some macOS users are reporting issues with their Bluetooth devices connecting to their macOS-updated laptop or desktop. MacOS Sierra problems: some Bluetooth devices won't work Reboot your Mac afterwards, as well as your modem or router. These can be found in the following folders using the Go to Folder command (Command + Shift + G): If you're experiencing slow Wi-Fi speeds after upgrading to macOS Sierra you may need to delete your current Wi-Fi preferences. If the apps are still struggling to load, hold down the Option and Command keys when you click the app's icon. ![]() Now repeat the process with /Library/Caches (without the symbol).Ĭlear the PRAM by restarting your Mac and holding down Command, Option, P and R on your keyboard. Remove the data from inside every folder. To do so, open up the Finder window, select 'Go' from the top menu and select 'Go to Folder'. To fix this problem you'll need to delete the cache in macOS Sierra. Instead, they're getting an error message that says the app is 'damaged and can't be opened'. Some users are complaining that they can no longer open certain apps after updating to macOS Sierra. macOS Sierra problems: apps show 'damaged and can't be opened' error Running the Repair Disk tool from within Disk Utility may also help, and for more solutions check out our How to speed up your Mac guide. Now repeat the process with /Library/Caches (without the symbol). ![]() In the text box that appears type /Library/Caches Open the Finder window, select 'Go' from the top menu and select 'Go to Folder'. To force-quit an item, click it in the Activity Monitor list, then click the X at the left of the toolbar, then confirm you want to force-quit.Īlso delete the cache. If you've installed macOS Sierra, but your Mac won't start, then restart your Mac and hold down Command, Option, P and R, which will reset the NVRAM (non-volatile RAM). macOS Sierra problems: macOS Sierra won't start Then restart your Mac and try to install macOS Sierra again. Once in safe mode delete any unnecessary files, or move them to an external hard drive, to free up some disk space. When the grey Apple logo appears, release the Shift key. Once you hear the startup tone hold down the Shift key on your keyboard. To do this, turn off your Mac and wait 10 seconds, the press the power button. If you get an error message while installing macOS Sierra saying that you don't have enough hard drive space, then restart your Mac and boot into safe mode. macOS Sierra problems: Not enough space to install It might also be worth switching from a Wi-Fi connection to a wired connection before you download and install. Boot your Mac into Safe mode, then try installing macOS Sierra again. Try using a different USB port and cord, just to make sure neither of these are causing the problem.Press the power button on your machine while holding down the Shift key on your keyboard. If it is, unplug it, and then plug it back in. If you’re using a USB webcam, make sure it’s plugged in. It’s also possible to use superior external cameras as webcams if you want to boost the video quality. However, you might need to buy an external webcam for some Mac models, like the Mac mini or Mac Pro. MacBooks, iMacs, and the iMac Pro all have internal cameras. RELATED: How (and When) to Reset the SMC on Your Mac Problems with an External Webcam You can find your particular model and instructions for resetting the SMC here. ![]() How you reset the SMC depends entirely on which Mac you have. The SMC is responsible for low-level settings, like fans and LEDs, but it might also impact your internal webcam. If you’ve tried everything else (or your webcam wasn’t listed in the System Report), you might want to try resetting your Mac’s System Management Controller (SMC).
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