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Apple Computing Products:
macOS - Operating System
noisy fan from out of nowhere
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<blockquote data-quote="MacInWin" data-source="post: 1925154" data-attributes="member: 396914"><p>Several thoughts: How are you using the scanner? What scanner is it? I have an HP 8600 AIO and get to the scan function through Settings/Printers & Scanners and it works every time. So, more details and maybe there is a setting you need to fix.</p><p></p><p>Second, on the fans, open Activity Monitor (Applications/Utilities) and look at the CPU tab. Click on the column header labeled "% CPU" to get the biggest users to the top to see what is using your CPU, which is most likely the heat generator triggering the fans. </p><p></p><p>Third, can you go back? Yes, but it's painful and may be only marginally successful. The jump from Catalina to Ventura was pretty big. To go back you would have to completely erase the drive, reinstall and reinitialize, then restore from your backup, which has to be carefully made because the way backups are made changed between Catalina and Ventura. So, don't just jump to that option as it is ugly in the extreme.</p></blockquote><p></p>
[QUOTE="MacInWin, post: 1925154, member: 396914"] Several thoughts: How are you using the scanner? What scanner is it? I have an HP 8600 AIO and get to the scan function through Settings/Printers & Scanners and it works every time. So, more details and maybe there is a setting you need to fix. Second, on the fans, open Activity Monitor (Applications/Utilities) and look at the CPU tab. Click on the column header labeled "% CPU" to get the biggest users to the top to see what is using your CPU, which is most likely the heat generator triggering the fans. Third, can you go back? Yes, but it's painful and may be only marginally successful. The jump from Catalina to Ventura was pretty big. To go back you would have to completely erase the drive, reinstall and reinitialize, then restore from your backup, which has to be carefully made because the way backups are made changed between Catalina and Ventura. So, don't just jump to that option as it is ugly in the extreme. [/QUOTE]
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Apple Computing Products:
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noisy fan from out of nowhere
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