Seagate STEA1000400

Seagate Expansion Portable 1TB External Hard Drive User Manual

Model: STEA1000400

1. Setup

1.1 Package Contents

1.2 System Requirements

1.3 Connecting the Drive

To connect your Seagate Expansion Portable Hard Drive to your computer, follow these steps:

  1. Locate the USB 3.0 Micro-B port on your Seagate Expansion drive. This port is typically found on one of the shorter sides of the drive.
  2. Connect the small end of the provided USB 3.0 cable to the USB 3.0 Micro-B port on the drive.
  3. Connect the standard USB-A end of the cable to an available USB port on your computer. For best performance, use a USB 3.0 port (often blue or marked with a 'SS' symbol).
  4. The drive will power on automatically and be detected by your operating system. No external power adapter is required.
Seagate Expansion Portable Hard Drive with USB 3.0 Micro-B port
Image: The Seagate Expansion Portable Hard Drive showing its USB 3.0 Micro-B port. This is where the included USB cable connects to the drive.

2. Operating Your Drive

2.1 Data Transfer

Once connected, your Seagate Expansion drive will appear as a removable storage device in your computer's file explorer (Windows) or Finder (macOS). You can transfer files by:

2.2 Drive Formatting (Optional)

The drive comes pre-formatted for Windows. If you intend to use the drive primarily with macOS, or if you encounter compatibility issues, you may need to reformat it. Formatting erases all data on the drive, so ensure you back up any important files before proceeding.

For detailed instructions on formatting, refer to your operating system's documentation or Seagate's support website.

2.3 Safely Disconnecting the Drive

To prevent data corruption, always safely eject or unmount your Seagate Expansion drive before physically disconnecting it.

3. Care and Maintenance

Proper care ensures the longevity and reliability of your external hard drive:

4. Troubleshooting

4.1 Drive Not Detected

4.2 Slow Performance

4.3 Data Loss Prevention

While external hard drives are reliable, no storage device is immune to failure. Always maintain multiple copies of your important data. Consider cloud storage or another backup drive for critical files.

5. Product Specifications

Model NumberSTEA1000400
Capacity1 TB
InterfaceUSB 3.0 (backward compatible with USB 2.0)
Dimensions (LxWxH)4.61 x 3.15 x 0.59 inches (117 x 80 x 15 mm)
Weight6.3 ounces (178.6 g)
Operating System CompatibilityWindows 7 or higher, macOS 10.12 or higher

6. Warranty Information

Seagate products are manufactured to the highest quality standards. This product is covered by a limited warranty. For detailed information regarding your product's warranty period and terms, please visit the official Seagate website or refer to the warranty card included with your purchase.

Keep your proof of purchase for warranty claims.

7. Technical Support

If you encounter issues that cannot be resolved using the troubleshooting steps provided, or for further assistance, please contact Seagate Technical Support.

Related Documents - STEA1000400

Preview Seagate Expansion Portable External Drive Quick Start Guide
Quick start guide for the Seagate Expansion Portable External Drive, detailing setup, compatibility with PC, Mac, and Chromebook, warranty information, and compliance details.
Preview Seagate Expansion Portable User Manual
User manual for the Seagate Expansion Portable external hard drive, covering setup, formatting, file backup, and troubleshooting.
Preview Seagate Expansion Portable Drive Quick Start Guide
Quick start guide for the Seagate Expansion Portable Drive, providing setup instructions, compatibility information, and warranty details for PC and Mac users.
Preview Seagate Basic HDD 2.5 WW Quick Start Guide
Get started with your Seagate Basic 2.5-inch external hard drive. This guide covers setup, Chromebook compatibility, warranty information, and regulatory compliance.
Preview Seagate FireCuda Gaming Hard Drive Quick Start Guide
Get started with your Seagate FireCuda Gaming Hard Drive. This guide covers connection, software setup, RGB customization, warranty, and compliance information.
Preview Seagate Game Drive for Xbox with RGB - Quick Start Guide
Enhance your Xbox gaming experience with the Seagate Game Drive for Xbox, featuring customizable RGB LED lighting. This guide covers setup using Seagate Toolkit and important usage notes, along with compliance information.