A13 — Bios Revision

No software update is perfect, and BIOS revision A13 has a controversial reputation. Based on user reports across Reddit, Dell Community forums, and Overclock.net, here are the common complaints:

Many users reported that prior to revision A13, their USB 3.0 ports would randomly disconnect or that Thunderbolt 3 docks failed to wake the computer from sleep. Revision A13 commonly included fixes for USB power delivery and device enumeration at boot. bios revision a13

Before attempting an upgrade, you need to know if you are already running A13. Press the on your keyboard. Type msinfo32 and hit Enter. Look for BIOS Version/Date in the System Summary list. No software update is perfect, and BIOS revision

Microcode updates to stabilize processor performance. How to Check Your Current Version Before attempting an upgrade, you need to know

Below is a breakdown of what a proper review for BIOS A13 typically entails, categorized by the most likely hardware platforms. 1. Dell Systems (Most Common)