Hello,
If you’re not hearing sound through the ThinkPad docking station speakers, the most common cause is that Windows is not routing audio to the dock’s audio device. First, check in Windows by right‑clicking the speaker icon in the taskbar, selecting “Sound settings,” and under Output, confirm that the playback device is set to the docking station (often listed as “Realtek USB Audio” or similar). If it’s still pointing to the laptop’s internal speakers, switch it manually.
If the dock isn’t listed at all, verify that the audio driver for the docking station is installed. Lenovo docks often require the Lenovo USB Dock Driver or DisplayLink driver depending on the model. You can download the latest package from Lenovo’s support site by entering your dock’s exact model number. After installation, restart the system and check again under Control Panel > Hardware and Sound > Sound > Playback.
Also confirm that the dock’s firmware is up to date. Lenovo provides firmware update utilities for ThinkPad docks, and outdated firmware can cause audio passthrough issues. If you’re using external speakers connected via the dock’s 3.5mm jack, ensure they are powered and connected properly. If you’re expecting audio through HDMI/DisplayPort monitors connected to the dock, you must select the monitor’s audio device in Windows sound settings instead of the dock’s analog output.
If none of these steps resolve it, test by plugging headphones directly into the laptop to confirm audio works there. If laptop audio works but the dock still fails, it’s either a driver/firmware mismatch or a hardware fault in the dock. In that case, reinstall the dock drivers completely, reset the dock by disconnecting power for 30 seconds, and reconnect.
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HP.