Solution 1: Detach and reattach the Cover
Step 1: Unplug your Surface and detach the Cover.
Step 2: Clean the magnetic connectors on your Surface and Cover with a soft cloth and a small amount of rubbing alcohol.
Step 3: Reattach the Cover, making sure that all of the magnetic connectors make contact with the bottom edge of your Surface.
Solution 2: Make sure you have the latest updates
Installing the updates may be all you need to get you going again.
Solution 3: Restart your Surface
Go to Start Windows logo, and select Power > Restart.
Solution 4: Make sure filter keys are turned off in your Ease of Access settings
Step 1: Go to Start Windows logo, and select Settings > Ease of Access > Keyboard.
Step 2: Under Filter Keys, make sure the toggle is set to Off.
Solution 5: Two-button shutdown (Surface Pro models only)
Don’t use this process on Surface RT, Surface 2, or Surface 3.
Use this two-button shutdown process to make sure your Surface is turned off completely. Here’s how:
Step 1: Press and hold the power button on your Surface for 30 seconds and then release it.
Step 2: Press and hold the volume-up button and the power button at the same time for at least 15 seconds and then release both.
The screen may flash the Surface logo, but continue holding the buttons down for at least 15 seconds.
Step 3: After you release the buttons, wait 10 seconds.
Step 4: Press and release the power button to turn your Surface back on
Solution 6: Reset your Surface
A reset does the following:
•Removes all your personal settings
•Removes all apps that you installed
•Gives you the option of keeping or removing your personal files
For info on resetting your Surface, see Restore or reset Surface Pro models, Surface 3, or Surface Book