Hi Nikhiil,
Welcome to Microsoft Community.
I'm Hahn and I'm here to help you with your concern.
I'm sorry to hear you're having trouble with your Surface Pro 7. Let's try to get this sorted out so you can get back to your schoolwork. Here are some steps you can follow to fix the missing battery icon and reinstall the battery drivers:
- Run Power Troubleshooter: Go to Settings > Troubleshoot > Other troubleshooters > Power and run the troubleshooter.
- Force a shutdown and restart your Surface: Force a shutdown and restart your Surface - Microsoft Support
- Run the Surface Diagnostic Toolkit: Fix common Surface problems using the Surface app and Surface Diagnostic Toolkit - Microsoft Support
- Reinstall Battery Drivers: If the driver is missing, you can download the latest drivers from the [Download drivers and firmware for Surface - Microsoft Support] Choose your Surface model and download the appropriate .msi file. Run the downloaded file to install the drivers.
- Reset using the most appropriate choice. If you've tried basic troubleshooting options, you may need to restore or reset your Surface. If the issue occurs after a reset, then the root cause is very likely hardware related. Restore or reset Surface for Windows - Microsoft Support
I hope these steps help you resolve the issue. If you still face problems, feel free to reach out again. Good luck with your studies!
Your Sincerely
Hahn. W - MSFT | Microsoft Community Support Specialist