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Introduction
This guide will walk you through the necessary steps for replacing the battery pack in your Toshiba Satelite E45W-C4200X.
Before using this guide, make sure to review the [https://www.ifixit.com/Wiki/[Toshiba_ Satellite_ E45W-C4200X_ Troubleshooting|troubleshooting page]] oftentimes, the battery can be fixed without replacing it.
Be sure to [https://support.microsoft.com/en-us/help/4027408/windows-10-backup-and-restore|back up] your hard drive before replacing it so you don’t lose any data while you’re doing the replacement. Make sure to power off your laptop completely and disconnect from any external power source prior to beginning the process.