If you see error messages (in red text) during checking or downloading the latest 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
To perform manual DSM update:
1 Visit Synology's
Download Center
to get a .pat update file.
2 Click
Manual DSM Update
3 Click
Browse
to select the update file.
4 Click
OK
to start to update your DSM. The system will reboot automatically when the update completes.
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
Receive Event Notifications
Main Menu
Control Panel
Go to
>
mobile devices, Windows Live Messenger, or Skype, when status changes or errors occur to the system, for
example: connection loss, fan behavior change, power failure, storage volume running out of space, or back and
restoration failure, etc.
153 Chapter 17: Perform Advanced Management Tasks
Troubleshooting
Technical
to download the latest .pat update file to your local computer. Unzip the file
to enter Manual DSM Update Page.
Troubleshooting
Technical
Notification
>
and set up Synology DiskStation to notify you via e-mail, SMS,
Synology DiskStation User's Guide
Support.
Support.
Based on DSM 4.0