Apple on Thursday printed a help doc detailing steps customers ought to take in the event that they encounter issues putting in macOS Big Sur on sure MacBook Professional fashions.
Based on experiences earlier this week, some customers are facing issues when putting in Huge Sur on their 13-inch MacBook Professional from late 2013 or mid 2014.
Particularly, updates in some circumstances lead to a everlasting black display screen or a display screen bearing a circle with a line by way of it, an issue that doesn’t resolve itself when restarting the machine in Protected Mode. Makes an attempt to make use of Apple’s Web Restoration software have additionally been unsuccessful.
Apple in at the moment’s Assist Pages document acknowledges the difficulty and presents a possible workaround.
If an impacted Mac doesn’t begin correctly, Apple says to:
- Press and maintain the ability button in your Mac for at the least 10 seconds, then launch. In case your Mac is on, it turns off.
- Unplug all exterior gadgets out of your Mac, together with any shows and USB equipment, and take away any card inserted within the SDXC card slot. Then flip your Mac on.
- If the difficulty persists, reset the SMC as described for pocket book computer systems with a nonremovable battery.
- If the difficulty persists, reset NVRAM or PRAM.
To reset the SMC, customers should concurrently press the Management and Choice keys on the left aspect of the keyboard, and Shift on the appropriate aspect of the keyboard for seven seconds, then additionally depress the ability button. Subsequent, customers maintain all 4 keys for one more seven seconds, launch them, and press the ability button to activate their Mac.
Resetting NVRAM and PRAM requires customers to close down their machine, maintain Choice, Command, P, and R till the Apple emblem seems and disappears twice, or about 20 seconds.
Apple instructs MacBook homeowners to contact Apple Assist if the above methods don’t work. The corporate provides that the Assist Pages doc will likely be up to date when it has a extra complete answer.