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Upgrade Fedora 24 from Fedora 23 Using DNF (F23 to F24) - Comment Page: 1

This is guide, howto upgrade Fedora 23 to Fedora 24 using DNF. I have tested this method on several machines, but if you have problems, please let me know. Always remember backup, before upgrade! 1. Before Upgrade 1.1 Backup Your Data Before doing anything, do full system backup or backup at least your important data: documents, pictures, videos, config files, log files, databases etc. This is...
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I have a problem.
after “dnf update” command:

Failed to synchronize cache for repo ‘fedora-yum-fast-downloader’, disabling.
Failed to synchronize cache for repo ‘mattdm-finalterm’, disabling.
Failed to synchronize cache for repo ‘home_zhonghuaren’, disabling.

please guide me.

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First attempt F23->F24 failed. I think it may have been nVidia causing the issues. The upgrade made it all the way to the new grub screen with F24 showing. Plymouth ran ok but never got graphics. Could boot to RL 3 into F24. Tried re-installing nVidia but it failed at the DKMS point and would not complete. Tried it without DKMS and nVidia installer still failed. Question: is it best to go back to nouveau BEFORE attempting the F23->F24 upgrade? Is it possible that I needed to re-install DKMS after the upgrade and before attempting to re-install the nVidia stuff? I think DKMS is standard and installed with the rest of Fedora now. Info: using the 340.96-patched driver; also tried the 340.101-patched to no avail. Older HP Pavillion with GeForce 8600M driver.

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