DSM Update
Periodically, Synology releases free DSM updates. Updates may include new features, function improvements, and performance enhancements.
Important: Normally, upgrading DSM does not affect the data on the Synology DiskStation. However, to ensure data security, it is strongly recommended that you back up your data before you start.
Perform Manual DSM Update
You can downloading the .pat update file from Synology's Download Center and perform manual DSM update.
To perform manual DSM update:
- Visit www.synology.com to download the latest DSM update to your local computer. Unzip the file to get a .pat update file.
- Click Manual DSM Update to enter Manual DSM Update Page
- Click Browse to select the update file.
- Click Apply to start to update your DSM. The system will reboot automatically when the update completes.
Troubleshooting:
If you cannot update DSM, the following suggestions might help solve your problem:
- Check if the upgrading process was interrupted by users, or other unexpected events, such as a power failure.
- Check the DSM version. You can only update the system with a newer DSM version.
- Download the DSM update again because the update file might be corrupted.
If the problem remains, please contact Synology's Technical Support.
Perform Automatic DSM Update
Other than manual update, every time you go to DSM Update, the system will check with Synology to see if new DSM is available for download, and then display the result in green or red text. If the result tells you the latest DSM is ready for download, you can have the system download the latest DSM for you, and then perform the update.
To have the system download the latest DSM and perform the update:
- If the latest DSM is ready for download, click the Download link to have the system download the latest DSM for you.
- The system will display any of the following desktop notifications to tell you whether the download is successful or not: DSM Download Completed or DSM Download Failed.
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Click the desktop notification window to go to DSM Update.
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Do any of the following:
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If DSM download completed, click Update now to start updating DSM immediately.
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If DSM download failed, click Retry to have the system download the latest DSM from Synology again.
To check for updates regularly:
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Tick Check and download update regularly.
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Click Apply.
After enabling the function, the system will check for the latest DSM regularly, download it automatically, and then display desktop notification when DSM download completes.
Troubleshooting:
If you see error messages (in red text) during checking or downloading the latest DSM, the following suggestions might help solve your problem:
- Make sure your DiskStation is connected to the Internet.
- Synology's download server might be busy at the moment. Retrying download at a later time might solve the problem.
If the problem remains, please contact Synology's Technical Support.