1. Click on the Start button.
2. Click on Control Panel.
3. Click on Programs, then click Programs and Features.
4. Select Lima, then click Uninstall.
1. Go to your device's Settings menu > Apps or Application manager (this may differ depending on your device).
2. Touch the Lima app.
3. Touch Uninstall.
Just tap and hold the Lima app icon until all the icons start wiggling. Delete the Lima app by clicking the little X at the top left corner.
See here how to disconnect your external hard drive from your Lima device.
If you want to power off your Lima device, please follow the steps described here.