To find the latest driver for your computer we recommend running our Free Driver Scan. Acer USB Ethernet/RNDIS Gadget - Driver Download. Vendor: Acer Incorporated. Hello everyone, I am facing a a problem in my windows, whenever I am connecting a USB rndis device ZTE ACR2 it is not being detected in windows as an ethernet gadget in device manager, however on rebooting in safe mode with networking option I am being able to manually run it by running the executable in program files of this device.

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Windows 7 (or 10) is unable to open the with USB connection

It is possible that the USB Ethernet RNDIS Gadget driver is missing, see below picture.

For Windows 7, see here how to find the correct driver:

The Windows 10 reports the USB-to-Ethernet-device as USB-serial port on the Control panel. In this case the driver needs to be updated. First download the driver from below:

Then in Control Panel use right mouse click on the USB-serial port and select update driver and select option to 'seek driver from your computer' and select 'disk' and 'browse file' to choose above INF-file to update the device driver software.
If Windows 10 refuses to install the INF-file because of it is not signed file, then do as described in this page to disable the driver signature enforcement and install the driver:


Also this youtube video shows how to disable signature enforcement so that you will be able to install the driver:

After the successful driver installation you should be able to 'ping' if USB cable is connected to the controller board.

Acer USB Ethernet/RNDIS Gadget Driver Download For Windows

Seeing a yellow warning icon next to RNDIS in Device Manager? Don’t worry… Although it’s incredibly frustrating, you’re definitely not the only person to experience this problem. Many Windows users have reported the very same issue. More importantly, you should be able to fix it pretty easily…

What is RNDIS?

RNDIS is short for “Remote Network Driver Interface Specification”. It is a Microsoft proprietary protocol, which is often used on top of USB. As a protocol, RNDIS provides a virtual Ethernet link to most versions of the Windows, Linux, Android and FreeBSD operating systems.


If a yellow warning icon appears next to it, it indicates that Windows has identified a problem with it. In most cases, this issue can be fixed after you reinstall or update its driver.

There are two methods to update RNDIS driver:

You can do it manually or automatically.

Method 1: Manually. You can update RNDIS driver manually in Device Manager. Here is how to do it:

  1. On your keyboard, press the Windows logo key and R at the same time to open the Run dialog. Then type devmgmt.msc and press Enter.
  2. In Device Manager, right-click on RNDIS, then click Update driver.
  3. Select Search automatically for updated driver software.
  4. Follow the on-screen instruction to continue.

If Windows find the updated RNDIS driver for you, follow its instruction to install it on your PC. If not, try the next fix, below.

Method 2: Automatically. If you don’t have the time, patience or computer skills to download and update RNDIS driver manually, or if Windows did find the updated driver for you, you can, instead, do it automatically with Driver Easy.You don’t need to know exactly what system your PC is running, you don’t need to risk downloading and installing the wrong driver, and you don’t need to worry about making a mistake when installing. Driver Easy handles it all.

All the drivers in Driver Easy come straight from the manufacturer. They‘re all certified safe and secure.


  1. Downloadand install Driver Easy.
  2. Run Driver Easy and click the Scan Now button. Driver Easy will then scan your computer and detect any problem drivers.
  3. Click Update next to Android USB Ethernet/RNDIS to automatically download the correct version of its driver, then you can install it manually. Or click Update All to automatically download and install the correct version of all the drivers that are missing or out of date on your system (This requires the Pro version – you’ll be prompted to upgrade when you click Update All. You get full support and a 30-day money back guarantee).
    If you need assistance, please contact Driver Easy’s support team at [email protected].
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