If your My Cloud Mirror Gen 3 is showing as offline, you're not alone. Many users face this issue, especially after router changes, firmware updates, or unexpected power outages. When your My Cloud device goes offline, it can prevent access to all your files, backups, and remote services—making it a frustrating situation.
The good news is that in most cases, the issue can be fixed with a few simple steps. This guide will walk you through common reasons your My Cloud Mirror might be offline and how to bring it back online.
Common Reasons for My Cloud Mirror Being Offline
Before diving into the solutions, it helps to understand what may cause the device to appear offline:
Network Configuration Issues – Changes in router settings or IP conflicts can cause the device to drop offline.
Firmware Errors – Incomplete or failed updates can result in the NAS not appearing on your network.
Connectivity Problems – Loose cables, faulty Ethernet ports, or router failures may interrupt communication.
Power Supply Interruptions – A sudden shutdown or brownout may result in a corrupted system.
Remote Access Issues – WD Cloud access may be blocked due to service outages or incorrect settings.
Identifying the root cause helps narrow down the fix.
Step-by-Step Fixes for My Cloud Mirror Offline Issue
Check Power and Physical Connections
Make sure the device is properly powered. The front LED should be solid or blinking white/blue. If it's flashing red or not lit at all, there could be a power or hardware issue.
Ensure the Ethernet cable is firmly connected to both the My Cloud Mirror and your router. Try swapping the cable or using a different Ethernet port on the router if needed.
Restart Your Devices
Power off the My Cloud Mirror, your router, and your computer. Wait about 30 seconds, then power them back on in this order: router first, then My Cloud, and finally your PC or phone. This reset can fix temporary network glitches.
Use the My Cloud Dashboard
If you’re on the same local network, open a browser and try accessing the My Cloud Dashboard using its local IP address (e.g., http://192.168.x.x). If it loads, the device is connected locally, but possibly having remote access issues.
You can also use the WD Discovery tool on your computer to detect the device.
Check Router Settings
Make sure your router’s DHCP server is enabled and the My Cloud Mirror is assigned an IP address. If your network uses static IPs, confirm that the NAS settings match.
You might also want to reserve a static IP for your device using the router’s settings. This prevents IP conflicts or changes after reboots.
Reconfigure Cloud Access
If the device is working locally but shows offline for remote access, log in to the dashboard, go to Settings > Cloud Access, and toggle the remote access feature off and back on. Wait for a few minutes to see if it reconnects to the WD servers.
Update Firmware
Outdated or corrupt firmware may lead to connectivity issues. If you can access the dashboard, go to Settings > Firmware Update and check for any pending updates. Install them carefully without interrupting the process.
When to Contact Support
If the device still appears offline after trying all the steps above, there may be a deeper hardware or OS issue. In that case, it’s best to contact WD customer support or take the device to an authorized service provider. Make sure your data is backed up if possible before attempting further recovery steps.
Final Thoughts
A My Cloud Mirror Gen 3 showing as offline can be frustrating, but it's usually solvable with a little troubleshooting. Always start with basic checks like power and network, then move on to configuration and firmware. With the right steps, your My Cloud device will be back online and serving your files as it should.