If Windows fails to boot:
The Dell XPS 13 9365 (often referred to as the 2-in-1 or "Convertible") remains a beloved ultrabook for its stunning InfinityEdge display, portability, and robust build quality. However, as this device ages (released in early 2017), maintaining its performance, stability, and security relies heavily on one often-overlooked aspect: the BIOS (Basic Input/Output System).
If you own this model, performing a Dell XPS 13 9365 BIOS update is not merely a suggestion—it is a critical maintenance task. This guide will walk you through every detail, from why Dell releases these updates to step-by-step installation methods, troubleshooting, and what revisions you need to watch out for.
Even a successful update can introduce odd behavior. Here are solutions for the 9365 specifically.
Would you like this feature fleshed out into a mock BIOS setup screen or a user-facing release note style? Dell Xps 13 9365 Bios Update
Complete Guide to Updating the BIOS on your Dell XPS 13 9365
Maintaining the Basic Input/Output System (BIOS) is essential for keeping your Dell XPS 13 9365 (2-in-1) running smoothly. Updated firmware often includes critical security patches, improves system stability, and ensures compatibility with the latest hardware and software. Why Update the BIOS on your XPS 13 9365?
For the XPS 13 9365 model, specific BIOS versions have addressed several key issues:
Security Fixes: Updates have resolved critical Intel ME and CPU microcode vulnerabilities (such as INTEL-SA-00125 and others). If Windows fails to boot: The Dell XPS
Hardware Fixes: Resolved issues with portable Thunderbolt SSDs not being detected after sleep mode and fixed MAC address pass-through problems in PXE environments.
System Stability: Newer versions improve the BIOS Setup UI and enhance AHCI mode support, which is particularly useful for users installing alternative operating systems like Linux.
Connectivity: Fixes for USB-C Mobile Adapters (like the DA300) not being recognized at boot. Pre-Update Checklist
Before you begin, follow these critical safety steps to prevent permanent damage to your motherboard: Would you like this feature fleshed out into
Plug in Power: Your laptop must be connected to an AC adapter throughout the entire process.
Battery Level: Ensure your battery is charged to at least 10%.
Suspend BitLocker: If you use BitLocker drive encryption, you must suspend it before updating (Go to Control Panel > System and Security > BitLocker Drive Encryption > Suspend Protection). Failing to do so may cause the system to prompt for a recovery key after the restart.
Save Your Work: Close all open applications, as the utility will force a system restart. Method 1: Update via Windows (Simplest)
This is the standard method for users running Windows 10 or 11.
How to Update BIOS: Install and Upgrade BIOS on Windows | Dell US
