1. Update or Roll Back Drivers
- Press Windows + X – open Device Manager.
- Look for devices with yellow warnings.
- Right-click the problematic device - Update driver.
- If the error started recently, select Roll back driver.
- Restart the system and check stability.
2. Remove Duplicate or Faulty Device Entries
- Open Device Manager.
- Click View - Show hidden devices.
- Expand all hardware categories.
- Right-click greyed-out or duplicate devices - Uninstall device.
- Restart the PC to rebuild hardware configurations.
3. Repair System Files
- Open Command Prompt (Admin).
- Run the following commands:
sfc /scannow
DISM /Online /Cleanup-Image /RestoreHealth
- Allow both scans to complete.
- Restart your PC.
4. Disconnect External Devices and Test
- Shut down your system.
- Remove USB devices, HDD enclosures, or expansion hardware.
- Boot the PC and check if BSOD persists.
- Reconnect devices one at a time to identify the faulty component.
5. Clean Driver Store and Reinstall Drivers
- Press Windows + R, type cmd, and press Enter.
- Run:
pnputil /enum-drivers
- Identify conflicting third-party drivers.
- Remove them using:
pnputil /delete-driver oemXX.inf /uninstall /force
- Reinstall the latest official drivers from the manufacturer's website.
6. Perform a Clean Boot to Isolate Conflicts
- Press Windows + R, type msconfig, and press Enter.
- Go to Services - check Hide all Microsoft services.
- Click Disable all.
- Go to Startup tab - Open Task Manager - disable all items.
- Restart the PC and monitor for BSOD recurrence.
7. Repair Registry Device Entries
- Open Registry Editor (regedit).
- Navigate to:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum
- Carefully remove invalid or duplicate device keys (only if identified confidently).
- Restart your system.
8. Run Windows Update
- Open Settings - Update & Security - Windows Update.
- Click Check for updates.
- Install driver updates, security patches, and optional updates.
- Reboot after completion.
9. Use System Restore to Revert Driver or Registry Changes
- Go to Control Panel - Recovery - Open System Restore.
- Select a restore point created before the BSOD.
- Complete restoration and reboot the system.
10. Perform an In-Place Upgrade or Clean Installation
If nothing resolves the BSOD:
- Use the Windows Media Creation Tool.
- Choose Upgrade this PC now to repair Windows while preserving your data.
- If issues continue, back up your files and perform a full clean installation.
The 0x000000B7 (INVALID_DEVICE_REQUEST) BSOD typically indicates driver conflicts, duplicate device entries, or improper hardware communication.
To fix the issue effectively:
- Update, reinstall, or roll back faulty drivers.
- Remove duplicate or hidden device entries.
- Repair system files and registry configurations.
- Perform clean boot troubleshooting to find conflicts.
- Use System Restore or in-place upgrades for system-wide recovery.
Keeping drivers updated, avoiding untrusted driver-updater tools, and maintaining proper hardware installation help prevent future 0x000000B7 errors and ensure long-term system reliability.