2. Select Search on the taskbar, enter device manager, and in the search results, select
Device Manager.
3. Select the arrow next to the Batteries category.
4. Double-click Microsoft ACPI-Compliant Control Method Battery or Surface
Battery, and under the Driver tab, select Uninstall device > OK.
5. Select Start > Power > Restart . Restarting will reinstall the driver for you.
If the battery charges above 40 percent after you reinstall the driver, try installing updates again.
If your battery still won’t charge above 40 percent, your Surface might need service. For more
help, How to get service for Surface.
Note: For more info on Surface batteries and power, see How to charge Surface.
Restart your Surface
Warning: Interrupting updates while they’re in progress could damage your Surface. If an
update seems to be stalled and your Surface doesn’t restart automatically, wait at least 20
minutes before trying to restart your Surface yourself.
If you’re seeing any of these errors, restarting your Surface might fix the problem:
• Update error 80248007
• Update installation freezes for more than 20 minutes
• Update stays on "Getting Devices Ready..." screen for more than 20 minutes
• Update stays on "Please wait while we install a system update" screen for more than 20
minutes
• Update history shows "pending restart"
• Update history shows update “failed”
If you get one of these errors, try each of the restart solutions below, in the order listed.
Solution 1: Restart your Surface
Select Start > Power > Restart (or Update and restart ).
After your Surface restarts, try installing updates again. If you’re still having a problem, try
Solution 2.
Solution 2: Force a shut down
See Force a shutdown and restart your Surface to find out how.
After your Surface restarts, try installing updates again. If you’re still having trouble installing
updates, your Surface may need service. For help with this, How to get service for Surface.