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- Power Supply issue With Seagate’s 4tb Expansion Drive
Power Supply Problems With Seagate’s 4TB Expansion Drive
- How to connect Seagate Backup Plus 3TB?
- Windows 7 or Vista requests Drivers
- Backup Plus 3TB Hard drive not detected
- Connect Backup Plus 3TB External Drive to a USB port.
- How to Use Seagate Backup Plus 3TB?
- How to find out the backup files on Backup Plus 3TB Desktop Drive?
- Eject Backup Plus 3TB Safely
- Moving data between two systems
- Seagate-S drive Missing
- Windows Disk Error Checking on Backup Plus 3TB

If you are having power supply problems with Seagate’s 4TB expansion drive, keep reading the instructions below to troubleshoot the power issues.
- First, connect your Seagate 4TB hard drive to your Windows computer with the supplied USB cable.
- Ensure that you have firmly connected the USB cable to your computer’s USB port.
- Connect the hard drive to an electrical outlet with the supplied power adapter and verify that the hard drive light is blinking.
- If there is no light on the hard drive, then it indicates that the power adapter is not connected to the power supply.
- Connect the power adapter to a different electrical outlet and check whether the hard drive’s light is blinking.
- On your Windows computer, click the Start menu (Windows logo) available at the bottom of the desktop.
- Type ‘control’ in the search panel and hit the Enter key. Give a double-click on the Control Panel app from the search result.
- Alternatively, launch the Run dialog box by pressing the Windows + R shortcut keys.
- Type ‘control’ in the Run dialog box and hit the Enter key to launch the Control Panel.
- Click the Power Options tab in the Control Panel window and select the Change plan settings option.
- Choose the Change advanced power settings option and expand the Hard Disks tab in the pop-up window.
- Make sure to set the Turn off hard disk after setting to Never.
- Next, download and install the SeaTools diagnostic tool on your computer.
- Create a backup to save all the data on your Seagate 4TB expansion drive.
- Close all the running programs and launch SeaTools.
- Choose the drives to test from the displayed list.
- Select the test you want to perform from the following options.
- Fix all
- S.M.A.R.T. check
- Short Drive Self Test
- Short Generic
- Long Generic
- After completing the test, view the test results by clicking either Pass Info or Fail Info.
- If the Power Supply Problems With Seagate’s 4TB Expansion Drive remains unsolved, run the check disk (chkdsk) command on your Windows computer.