Connect the reader directly to the motherboard ports on the back of your computer rather than external USB hubs.

Check Windows Services

If you are on a work computer, domain policies may block smart card installation.

Is this for a or a managed corporate/government network ? Which operating system version are you running?

It sounds silly, but unplug it, blow out the dust (old school Nintendo style), and try a different USB port.

Identify the make and model of your reader (e.g., HID Global, OmniKey, Identiv). Visit the official manufacturer website.

If a clean reinstall doesn't work, these next steps are more targeted.

Before modifying software settings, rule out basic hardware connectivity issues.

Look at the . If it is stopped, click the Start button. If it is already running, click Stop and then click Start to reset it. Click Apply and then OK . Step 3: Reinstall or Update the Smart Card Reader Driver

Registry cleanup (advanced)

If possible, test with a different smart card to see if the issue is with the card itself, or a different reader to isolate the hardware. 2. Reinstall/Update the Smart Card Reader Driver

Install vendor driver in compatibility mode

Press Windows Key + R , type gpedit.msc , and press (Available on Windows Pro and Enterprise).