SHIELD TV (2019)
1. Restart your SHIELD TV in Fast Boot mode. Instructions can be found here
2. Press remote locator to highlight "Factory Data Reset" and long press to select.
3. After select "Confirm".
4. SHIELD will boot to home screen.
SHIELD TV Pro (2019) or SHIELD TV (2017)
1. Restart your SHIELD TV in Fast Boot mode. Instructions can be found here
2. Use the X and Y buttons on the controller to move to "Boot recovery kernel".
3. Press the A button to select "Boot Recovery Kernel".
4. You may see the dead Android robot on screen. This is expected behavior. If so, press B button on the controller.
5. You will see Android Recovery Menu.
6. Use the X and Y buttons on the controller to move to "wipe data/factory reset".
7. Press the A button to select "wipe data/factory reset".
8. After process select "reboot system now".
9. SHIELD will boot to home screen.
SHIELD Pro (2015 & 2017) or SHIELD TV (2015)
1. Turn off your SHIELD.
2. Unplug the power cable from your SHIELD.
3. Connect your SHIELD to your PC/Mac/Linux computer via USB using SHIELD's micro USB port.
4. Plug the power cable back into your SHIELD.
5. Wait 2 seconds, and then hold the NVIDIA power button on SHIELD for 5-6s until you see the fastboot menu on the display.
6. Tap on NVIDIA button to move on Menu to "Boot recovery kernel".
7. Hold NVIDIA button to for 2-4s to select "Boot Recovery Kernel".
8. You may see the dead Android robot on screen. This is expected behavior.
9. Hold NVIDIA button to for 2-4s to process to next menu. If you don't see the Recovery menu, try this step a few times.
10. You will see Android Recovery Menu.
11. Tap on NVIDIA button to move to "wipe data/factory reset".
12. Hold NVIDIA button to for 4-6s to select "wipe data/factory reset".
13. After process select "reboot system now".
14. SHIELD will boot to home screen.