D3908-giq - Docking Station Driver

If you’ve recently purchased or are trying to set up a GIQ D3908-giq (often branded as QGeeM) docking station, you’ve likely realized it isn’t a simple "plug-and-play" device for video output. To get those dual HDMI or VGA monitors working, you must install the specific DisplayLink driver. Where to Download the D3908-giq Driver

Because the GIQ D3908 uses a DisplayLink chipset for its video outputs, the most reliable and up-to-date drivers come directly from the chipset manufacturer.

Official DisplayLink Download: Visit the DisplayLink Downloads Page provided by Synaptics.

Select Your OS: Choose from Windows, macOS, Android, ChromeOS, or Ubuntu. d3908-giq docking station driver

Manufacturer Link: Alternatively, you can visit the QGeeM Support Site and look for the D3908 section to find direct download links. Installation Steps for Windows and macOS

Before you begin, ensure your docking station is disconnected from your laptop. Downloads - QGeeM

Issue 4: Docking station gets hot and disconnects

Cause: The d3908-giq docking station driver may not be negotiating power correctly, or your laptop USB port cannot supply enough power. Fix: Connect the dock to its own AC power adapter (usually 65W or 100W). Then update the driver to the latest version, which includes PD firmware fixes. If you’ve recently purchased or are trying to

4.3 Linux (Ubuntu/Debian/Fedora)

sudo apt update
sudo apt install evdi-dkms displaylink-driver
reboot

After reboot, install the Realtek Ethernet driver from source (if needed).

Issue 3: Ethernet disconnects randomly

Cause: Realtek driver power management. Fix: Device Manager > Network adapters > Realtek USB GbE > Properties > Power Management > Uncheck “Allow the computer to turn off this device to save power.”

Step 2: Where to Download the D3908-GIQ Driver

This is the tricky part. The code "D3908-GIQ" is often a specific model number used by OEM manufacturers. You might not find a website called "D3908-GIQ.com." After reboot, install the Realtek Ethernet driver from

Here is the hierarchy of where to look:

Step 1: Determine if You Actually Need a Driver

| Feature | Driver required? | |--------|------------------| | USB ports (flash drive, mouse, keyboard) | ❌ No (uses native OS drivers) | | HDMI / VGA output | ❌ No (uses Alt Mode or DisplayPort over USB-C) | | USB-C Power Delivery (charging) | ❌ No | | 3.5mm audio jack | ❌ No | | Gigabit Ethernet (RJ45) | ✅ Yes (Realtek or ASIX chip) | | Multiple extended displays (beyond 1 extra monitor) | ✅ Yes (needs DisplayLink driver) |

Check your model:

• Look for a DisplayLink logo on the dock or box.
• If it has 2+ video ports (e.g., HDMI + VGA + DVI), it likely uses DisplayLink.
• If it has only 1 video port (e.g., HDMI), it uses USB-C Alt Mode – no driver needed.