187c:0550 — LED controller
Alienware Corporation
- Vendor ID
- 187c
- Product ID
- 0550
- Combined
- 187c:0550
- Decimal
- 6268:1360
What is this device?
This is the USB identifier for a LED controller manufactured by Alienware Corporation. The vendor ID 187c is registered to Alienware Corporation with the USB Implementers Forum, and 0550 is the product ID that Alienware Corporation assigned to this particular model. When you run lsusb on Linux, this device appears as 187c:0550 Alienware Corporation LED controller.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 187c:0550 Alienware Corporation LED controller
You can filter directly with lsusb -d 187c:0550, or get the full descriptor dump with lsusb -v -d 187c:0550. Kernel messages from dmesg show the same pair as idVendor=187c, idProduct=0550.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_187C&PID_0550 USB\VID_187C&PID_0550&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_187C&PID_0550"
macOS
$ system_profiler SPUSBDataType
LED controller:
Product ID: 0x0550
Vendor ID: 0x187c (Alienware Corporation)Driver help
Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
187c Alienware Corporation 0550 LED controller