1
Keysight ZA0060A Quick Start Guide
55
Keysight 34999B Not Detected in Device Manager
When the Device Manager does not show “USB Test and Measurement Device
(34999B)” under 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 34999B module is inserted into 34972A.
– Verify that the USB cable from 34999B module is connected to PC.
– Ensure that you installed the Keysight 34999 Utility software.
– Connect and disconnect the cables and observe if the “USB Test and
Measurement Device (34999B)” is listed in Ports (COM & LPT).
– Reboot your PC when it is still unable to detect the 34999B.
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.
Incorrect Slot for 34999B
Placing the 34999B in slots other than
slot 200
will display the pop-up below in
the 34999 Utility software.
On TAP, you will see a message
“Failed to open source (Unable to obtain
controller firmware version...”
– Ensure 34999B in slot 200 as shown in
To Prepare Instruments for Use
section.
