Remote SSH Shutdown bricked my PR4100

If a remote SSH shutdown bricked your WD My Cloud PR4100, don’t panic — in many cases it’s recoverable. The WD My Cloud PR4100 can appear “dead” after an improper shutdown, firmware issue, or corrupted OS partition.

🔍 1. Check the Basics First

✅ Power Check

Unplug the power adapter for 5–10 minutes

Plug it directly into a wall outlet (no surge protector)

Try powering on again

✅ LED Behavior

Note what the front LED does:

Solid Blue → System OK

Flashing Blue → Booting

Solid Red → System error

No Light → Possible power board issue

LED status helps determine if it's firmware or hardware.

🔄 2. Try a 4-Second Reset (Safe Reset)

This does NOT erase data.

Power on device

Press and hold reset button (rear) for 4 seconds

Release when LED blinks

Wait 5–10 minutes for reboot.

🔁 3. Try a 40-Second Reset (System Only Reset)

If 4-sec reset fails:

Power on device

Hold reset button for 40 seconds

Device should reboot and restore OS configuration

⚠ This resets settings but keeps data intact.

💻 4. Check If It’s Still on the Network

From your PC:

Open router admin page

Look for PR4100 in DHCP client list

Or use WD Discovery tool

If it gets an IP address, try accessing:

If accessible → firmware likely corrupted but recoverable.

🛠 5. Firmware Recovery (Advanced)

If SSH shutdown interrupted system services, the OS partition may be corrupted.

Options:

Option A: USB Firmware Recovery

Download correct firmware from Western Digital support

Use USB recovery procedure (requires specific firmware version)

Option B: Drive Rebuild (Last Resort)

The PR4100 stores the OS on each drive.

Power off device

Remove all drives

Label drives in order

Insert ONE blank drive

Power on

If it boots → original OS partition corrupted.

⚠ Never initialize original drives unless you have backups.

🚨 6. If Completely Dead (No LED, No Fan)

Possible causes:

Power adapter failure

Internal PSU issue

Motherboard fault

Try a known-good compatible adapter before assuming board failure.

❓ Important Question

When you ran SSH shutdown:

Did you use shutdown -h now?

Or poweroff?

Or did the device lose power immediately after?

That detail helps narrow it down.

If you tell me:

LED status

Does fan spin?

Does it get an IP?

RAID type you were using?

I can guide you step-by-step for your exact situation.