Western Digital My Cloud Volume_1 Not Mounted: How to Fix It
Medium 2-4 hours (excluding backup restore) Critical Severity
Verified June 2026
- Error Code
- Volume_1 not mounted
- Brand
- Western Digital My Cloud
- Product Type
- nas
- Severity
- Critical
- DIY Difficulty
- Medium
- Estimated Fix Time
- 2-4 hours (excluding backup restore)
Ad
Tools You'll Need
- Phillips screwdriver
- Anti-static wrist strap
- Computer with ethernet connection
How to Fix Error Code Volume_1 not mounted
-
Power Down and Restart
Always safely shut down the NAS through the dashboard before unplugging to prevent further data corruption. -
Check Drive Status in Dashboard
-
Run File System Check
Do not interrupt the disk test process as this could cause additional data loss. -
Attempt Volume Repair
Volume repair may result in some data loss. Ensure you have recent backups before proceeding. -
Check Physical Drive Connection
Opening the device will void your warranty. Handle internal components carefully to avoid static discharge damage. -
Replace Failed Hard Drive
Replacing the drive will erase all data. This should only be done if you have backups or the original data is already lost. -
Restore from Backup
Parts You May Need
NAS-rated hard drive
Check Price on Amazon
SATA cables
Check Price on Amazon
NAS-rated hard drive
Check Price on Amazon
SATA cables
Check Price on Amazon
NAS-rated hard drive
Check Price on Amazon
SATA cables
Check Price on Amazon
NAS-rated hard drive
Check Price on Amazon
SATA cables
Check Price on Amazon
NAS-rated hard drive
Check Price on Amazon
SATA cables
Check Price on Amazon
NAS-rated hard drive
Check Price on Amazon
SATA cables
Check Price on Amazon
NAS-rated hard drive
Check Price on Amazon
SATA cables
Check Price on Amazon
NAS-rated hard drive
Check Price on Amazon
SATA cables
Check Price on Amazon
Ad
When to Call a Professional
Contact a data recovery specialist if you don't have backups and need to recover critical data from the failed drive. Professional services may be able to recover data even from severely damaged drives, though this can be expensive.Frequently Asked Questions
Can I recover data from a My Cloud with Volume_1 not mounted error?
Data recovery depends on the type of failure. If it's a software issue, running disk repair may recover your data. For physical drive failures, professional data recovery services may be needed, though success isn't guaranteed.
What causes Volume_1 not mounted errors on WD My Cloud?
Common causes include hard drive failure, power surges, file system corruption, overheating, or physical damage to the drive. Age and heavy usage can also lead to drive degradation over time.
Will replacing the hard drive void my WD My Cloud warranty?
Yes, opening the enclosure and replacing internal components typically voids the manufacturer warranty. Check your warranty status before proceeding with internal repairs.
What type of hard drive should I use to replace a failed WD My Cloud drive?
Use a WD Red, Seagate IronWolf, or similar NAS-rated drive with the same or larger capacity. Avoid desktop drives as they're not designed for 24/7 operation in NAS devices.
How can I prevent Volume_1 not mounted errors in the future?
Maintain regular backups, ensure proper ventilation, use a UPS to protect against power surges, and monitor drive health through the dashboard. Replace drives proactively when they show signs of degradation.