Overview

External drives may disconnect when your computer enters sleep mode. This guide explains why it happens and how to prevent unexpected disconnections.

What You Need

• Your Sabrent drive/enclosure
• Access to macOS or Windows power settings

Step-by-Step Instructions

1. Adjust USB Power Settings (Windows)

• Go to Control Panel → Power Options → Change plan settings.
• Select Change advanced power settings.
• Expand USB Settings → USB selective suspend.
• Set it to Disabled.

2. Prevent Drive Sleep (macOS)

• Go to System Settings → Displays → Advanced.
• Disable Put hard disks to sleep when possible.

3. Use a Powered Hub or Direct Port
Plug the drive directly into your laptop/PC or use a powered USB hub to ensure stable voltage.

4. Update Firmware & Drivers
Some firmware releases improve USB stability—check your device’s page on the Sabrent website.

Troubleshooting Notes

• Laptop lid closing can force sleep even if settings are disabled.
• Low-quality cables can cause intermittent power loss.
• USB-C ports may behave differently depending on system power mode.

Extra Tips

• For continuous backup tasks, keep your computer in “Never Sleep” mode.
• Always safely eject if disconnecting manually.