IGEL Linux v5 IGEL Linux v5 How-Tos Upgrading UDC Devices from IGEL Linux v5 to IGEL OS 10 Current: Troubleshooting PDF Download PDF Download page Troubleshooting. Current page Include child pages All pages Troubleshooting This section describes possible error cases and solutions. Download Failure The Device Has Booted into the Linux 5.11 Rescue System The Device Does Not Boot Anymore Error Diagnosis Retry a Mass Upgrade Upgrading from a USB Memory Stick Fails ×