for Dell XPS 15 (L502X) USB Port 3.0 IO Circuit Board DAGM6CTB8D0 : Amazon.in: Computers & Accessories
SOLVED: Why is my USB port not working? - Dell XPS 15-L502X - iFixit
3 Ways to Download and Update Dell XPS 15 Drivers on Windows 10, 8.1, 8, 7, Vista, XP | Driver Talent
Download and Update Dell XPS 15 9560 Drivers for Windows 10 | Driver Talent
Dell XPS L502x Laptop Windows 11, 10, 8.1, 8, 7, Vista, XP Recovery USB Boot Disk ISO Image Software & Drivers
Dell XPS 15 L502X & Ubuntu 12.04 Linux | Hanynowsky
Dell XPS 15 (L502x) | tonymacx86.com
Found a Dell XPS L502X at the dump! It took 13+ hours of repairs, Windows installations, and driver installs, but it was all free! I literally repaired it with a glue gun.
Solved: Laptop XPS 15 (L501X) - USB 3.0 to USB 2.0 adapter? - Dell Community