Troubleshooting Procedure
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Keysight X8711A IoT Device Functional Test Solution User’s Guide
COM Port Not Listed
Follow the steps below to identify the COM port number of the 34999A.
1
From the Start menu, search for
Device Manager
and look for
Ports (COM &
LPT)
section.
2
Expand
Ports
and look for
USB Test and Measurement Device
(34999A)(COM#)
. Based on the example below, the COM Port number (#) is
61.
Keysight 34972A Not Detected in Keysight IO Library
Here are a few tips that you can try:
– Power on 34972A instrument.
– Verify that the power cable is connected properly.
– Verify that the USB cables connected from 34972A to PC.
Keysight 34999A Not Detected in Device Manager
When the device manager does not show USB Test and Measurement Device
(34999A) under Device Manager > Ports (COM & LPT) section, this could happen
due to a faulty or issues related to COM Port and cable. This could also happen
when you do not install the Keysight 34999 Utility software.
Here are a few tips that you can try:
– Verify that the 34999A module is inserted into 34972A.
– Verify that the USB cable from 34999A module is connected to PC.
– Ensure that you installed the Keysight 34999 Utility application.
– Connect and disconnect the cables and observe if the “USB Test and
Measurement Device (34999A)” is listed in Ports (COM & LPT).
– Reboot your PC when it is still unable to detect the 34999A.
