- Notes, cautions, and warnings
- Introduction
- Data Migration
- Migrate and erase data from old PC
- Check the network settings
- Change the system locale
- Device discovery and prechecks
- Unsupported Windows version
- Applications to close before migrating
- Start Migrate
- Launch Data Assistant on your old PC
- Launch Migrate through SupportAssist on your new Dell PC
- Code verification
- Migrate multiple accounts
- Searching for files and settings
- Troubleshooting network disconnect issues during migration
- Create Data Assistant shortcut
- Select files to migrate
- Migration of file attributes
- Mapping the drives
- Migration progress
- Migration summary
- Migration completion
- Interpret migration report
- Retry or finish the migration process after it was canceled
- Troubleshooting migration failure
- Troubleshooting when migration is completed with warnings
- Issues while launching Data Assistant on old PC
- Program Compatibility Assistant
- Data Erase
- Perform erase without migration
- Prechecks for erase
- Disabling BitLocker
- Troubleshooting hard disk failure issues
- Troubleshooting when external storage is found
- Set reminder
- Levels of erase
- Reset SupportAssist OS Recovery
- Windows reset Windows 10
- Prerequisites for resetting Windows 8.1
- Erase Windows 7
- Troubleshooting Windows reset
- Manual Reboot
- Running Dell Migrate on desktop PCs
- Update .NET Framework
- Tips for faster data migration
- Migration of OneDrive files
- Default exclusions from migration
- Error codes
Dell Migrate User's Guide
Prerequisites for resetting Windows 8.1
You can reset for Windows 8.1 Home and Pro.
NOTE: If you have upgraded Windows 8 to Windows 8.1, Windows reverts to Windows 8 after reset. You have to manually upgrade from Windows 8 to Windows 8.1.
- Ensure that you back up all important data, and close all applications before proceeding with Windows reset. Also, ensure that you have disconnected all external media, such as USB drive, external hard disk, and so on, except for recovery media if applicable.
- Ensure that your PC is connected to a power outlet before proceeding with reset. If the system shuts down during reset, your system might end up in an unusable state.
- Ensure that your system supports Windows reset.
- Ensure that you have either a recovery media, such as USB drive or DVD, or a recovery partition on your system.
Computer manufacturers (OEMs) usually ship systems with recovery partitions. Perform the following steps to check if your system has recovery partitions:
- Press Windows + R key to open Run.
- Enter
diskmgmt.msc and press Enter.
Disk Management is displayed.
- Verify that the system contains a recovery partition.
Figure 1. Checking partition in Disk Management 
If your OEM has provided you with a recovery media, such as USB drive or DVD, connect the media before proceeding. Perform the following steps to check if your system has recovery media:
- Press Windows + R key to open Run.
- Enter
diskmgmt.msc, and press Enter.
Disk Management is displayed.
- Verify that the system contains a recovery media.
Figure 2. Primary partition displayed in Disk Management 
If you are unable to find the Recovery partition, and you do not have any recovery media, contact your device manufacturer for more information.
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