Smart Card Reader - HP ZBook Power G10 Maintenance And Service Manual

Table 6-42 Issues, possible causes, and fixes
Items
Symptoms
● USB devices are not recognized
● USB devices are not charging
Examples of USB device Not Recognized

Smart card reader

Use this information to troubleshoot smart card reader issues.
Table 6-43 Issues, possible causes, and fixes
Items
Symptoms
● Not recognized
● Unable to write
116 Chapter 6 Troubleshooting guide
Procedures
Possible causes
USB devices do not have the latest software drivers or port insufficient power, or the
devices are not compliant.
NOTE: USB Type-C uses a different connector entirely.
Troubleshooting steps
1. Unplug the USB device. Restart the computer (wait for 2–5 minutes) to reset the
USB port or hub in case of a power surge.
2. Perform a soft reset (9. Soft reset (Default Settings) on page
the USB device is recognized.
3. Verify whether the USB device is recognized in Device Manager > Universal
Serial Bus Controller, or the USB is recognized without a yellow warning
symbol, or bang.
4. Verify whether the latest USB driver, USB chipset driver, or both are installed.
You can remove or reinstall the USB driver.
5. Be sure the USB device is supported, for example, USB 3.0 device requires
more power draw (0.9 A) from a USB port than a USB 2.0 device (0.5 A). As a
result, identify the USB charging port to be used for charging a USB device, or
an external AC power adapter might be required for an external USB storage
device to work properly.
6. Test with verified working USB devices (keyboard, mouse, USB key) to be sure
USB ports are functional.
7. Test the USB device on a verified working computer to be sure the USB device
is not malfunctioning.
Procedures
Possible causes
Physical damage, incorrect insertion, dirt, driver, malfunctioning card reader.
NOTE: Some cards have a read-write security switch on the card. Be sure that
switch is set to Write Enabled before attempting to write data to it.
80), and verify if