Time Machine Backup
Why is my time machine backup to an external drive taking hours?
MacBook Air 13″, macOS 10.15
Gal 220 Said:
"Time Machine Backup: Why is my time machine backup to an external drive taking hours?"
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Troubleshooting Long Recovery:
Either there is lots of data to restore, or your device is heating up. So, place the Mac and Hard Drive atop their own Laptop Coolers.