![]() And since the Big Sur update package is around 15GB, you now have 12GB downloaded so all you need to do is wait for the remaining 3GB to download and you should be good.Īnd yes, macOS and many other OSes - not just Unix and Linux systems - clear cached data and such on reboots. It will simply continue the download where it left off. Meaning when you closed the lid on your MacBook all that happened is the download was suspended. In my experience, Apple macOS updates are cumulative in downloads. That 12GB of space should be a partial download of Big Sur. ![]() Just continue the Big Sur download and run the update. Is there any command to purge these update files? Seeing as there is no change in the amount of free space after restarts, what can I do next? ![]() But if so, restarting should clear out the temporary files since - as I understand it - a shutdown/restart involves deletion of temp files, yes? It is most likely that the update stored as temporary file(s) while downloading. However, before starting the update for the first time around it would refuse unless at least 15.95GB was free, and now it shows no such warning. I doubt re-downloading is wise the download GUI indicates that the download starts from scratch. This 5GB of free space remains the same even after multiple restarts. The problem is when I check my MacBook now, only 5GB remains free. Which makes sense, since the network does not stay connected when put to sleep. It says something likeL: “Update failed due to network issues.” Midway through that process I shut the lid of my MacBook the update to fail. Want the maximum bandwidth for the computer being upgraded to Big Sur.I had 17GB of free before triggering Big Sur update from System Prefrences > Software Update > Upgrade Now. If not available and using Wifi - move computer as close to the Access Point / Router and disconnect all other devices connected to Wifi. Point # 8 - To upgrade to Big Sur will requires a quick, stable and reliable Internet Connection - preferred method is via Ethernet Connection. At least one Tested Clone and / or Time Machine Backup should be Off - Site This is insurance incase the upgrades goes sideways. For addition purposes - two Tested Bootable Clones each to separate external drives. A Time Machine Backup is very useful and can be used to Revert to Previous Working macOS. This comprises having 3 Backups using 2 methods and 1 Off Site incase of Theft, Loss or Natural Disasters. ![]() Point # 7 - Do I have a Rescue Plan In-Place. These include Applications, Extensions and Drivers for any devices. Point # 6 - If upgrading from Mojave and earlier versions of macOS - Remember that Big Sur does not support anything 32 bit. Same goes for Third Party Drivers for Printer, Scanners etc. Check with the Developer for compatible Apps / Extension or do they offer updates. Point # 5 - Are the installed Applications / Extensions compatible with Big Sur. Point # 4 - Does the intended computer qualify for the upgrade. Point # 3 - What are the System Requirements ie: Empty Space Requirements specific to the Big Sur. Otherwise - ones Privacy and Security touted by the VPN is suspect. Point # 2 A - Commercial VPNs should only be used if Mandated by Corporate Head Office for working remotely. The Built-in Security of Big Sur is all that is required. They are useless, unneeded, cause havoc and interfere with the normal operation of the OS and may even Corrupt the OS requiring a Reinstallation. Point # 2 - Are there any AntiVirus, Disk Cleaner, Optimizers, Un-installers, etc installed which should be removed as per Developers Instructions. They should be resolved prior to upgrading - they may carryover to Big Sur making the system unstable / unusable. Point # 1 - Are there pre-existing Unresolved Software Issues. The below points should all be consider Before attempting the upgrade. ![]() The most important is Due Diligence on the part of the User and is a Prerequisite for a smooth upgrade. There are several points to consider before attempting the upgrade to Big Sur. ![]()
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