Unable to turn on my phone

I’m sorry to hear that your Samsung Galaxy S7 is not turning on. It sounds like you are in the emergency recovery mode, which allows you to update the software using a PC and the Samsung Smart Switch application. Here are the steps you need to follow:

• Download and install the Smart Switch program on your PC and launch it. You can find it here: [Smart Switch].
• Connect your phone to the PC with a microUSB cable and select the transfer media files option on the phone.
• Click the update button on the Smart Switch program and follow the instructions to download and install the update.
• Wait for the phone to reboot into download mode and transfer the update data from the PC to the phone.
• Wait for the phone to reboot again and apply the update.
• Wait for the phone to optimize the apps and boot back up.

This video shows how to manually update the Galaxy S7 using Smart Switch: How to Manually Update the Galaxy S7.

I hope this helps you fix your phone. If you have any other questions, please let me know. 😊