The 9365 relies entirely on USB-C for charging and data (two ports). Older BIOS versions had frequent issues with "dock disconnect" cycles and failure to wake external monitors over Thunderbolt. Updates ensure proper PCIe tunneling and power delivery handshakes.
| Issue Solved | Found in BIOS version | |--------------|------------------------| | Battery drain while “off” or sleeping | 1.9.0+ | | Fan constantly running at idle | 1.11.0+ | | Failure to wake from lid open | 1.13.0+ | | USB-C port stops charging after docking | 1.21.0+ | | Intel CPU microcode security update (CVE-2022-0000 series) | 1.28.0+ | | System hangs on “Dell” logo after Windows Update | 1.31.0+ | Dell Xps 13 9365 Bios Update
: Newer versions provide support for peripheral hardware like the Dell Docking Station WD19 and improved Preboot eXecution Environment (PXE) boot options for USB-C adapters. Pre-Update Requirements The 9365 relies entirely on USB-C for charging
Updating the BIOS on your is a critical maintenance task that improves system stability, security, and hardware compatibility. You can find the latest firmware on the Dell Support Drivers & Downloads page . Prerequisites | Issue Solved | Found in BIOS version