Lenovo ThinkPad T550
The larger 15-inch variant of the Lenovo ThinkPad T450.
| Hardware | PCI/USB ID | Working? |
|---|---|---|
| Bluetooth (Intel) | 8087:0a2a | Yes |
| Bluetooth (Realtek) | 0bda:8761 | Untested |
| Webcam | 04f2:b449 | Yes |
| Ethernet | 8086:15a3 | Yes |
8086:15a2 | Yes | |
| WiFi (Intel) | 8086:095b | Yes |
| WiFi (Realtek) | 10ec:818b | Yes |
| WWAN (Ericsson) | ||
| WWAN (Sierra) | Untested | |
| GPU (Intel) | Yes | |
| GPU (NVIDIA) | Untested | |
| Touchpad | Yes | |
| Touchscreen | Untested | |
| Trackpoint | Yes | |
| Keyboard | Yes | |
| TPM | Untested | |
| Fingerprint reader | 138a:0017 | Yes |
| Smart card reader | 058f:9540 | Untested |
| SD card reader | Yes | |
| Audio | Yes |
Backlight
See Backlight#Kernel command-line options to have the ACPI and backlight function properly. is another kernel parameter required for this.
Wireless
See Lenovo ThinkPad T440s#Wireless; the T550 and the T440s share the same Realtek-variant WiFi card.
Video
The T550 is only able to drive three displays at once. If you are using a one-to-three DisplayPort adapter, you will need to disable the laptop display () in order to use three external displays. Expect a heavy delay (1-2 seconds) while adjusting displays via DisplayPort with .
SD card reader
See Lenovo ThinkPad T440s#SD card reader; the T550 and T440s share the same SD card reader (but with different sub-device IDs). See also https://linux-hardware.org/?id=pci:10ec-5227-17aa-2223.
USB
Enabling Always On USB in the UEFI BIOS makes the forward-most USB port on the right side of the laptop (i.e., the charging port) unusable in Linux. Disabling this feature in re-enables the port.
Function keys
Function keys do not work without the FnLock on. To enable the FnLock, press . The green light on the key should turn on. Now you can use the key like normal (i.e., with FnLock on would equate to a XF86AudioMute to be handled by X/WM/whathaveyou).