Hardware Checks; Check Usb Cables, Usb Interface, Host Pc - Keysight 82357B User Manual

3 Troubleshooting the Keysight 82357B

Hardware Checks

If all LEDs are still off for 10 or more seconds after plugging the 82357B USB
cable into a USB port, and all Windows Plug-and-Play Manager activity and the
Connection Expert refreshes have ceased, start your troubleshooting sequence by
performing hardware checks. If any action taken results in a change in the LED
status, go to

Check USB cables, USB interface, host PC

Begin the hardware check by checking connections between the 82357B and PC
(plus USB hubs, if used).
1 Check USB cable connections. Check the 82357B USB cable for a good
2 Unplug/replug the 82357B USB cable. If this does not change the LED status,
3 Check PC USB Port. Verify that the PC USB port is functional and powered
4 Check PC state. Verify that host computer is not in a suspended power
5 Check USB hub. Try disconnecting the 82357B from the hub and connecting it
6 Check USB cables for damage. Check the USB cable for cuts/crushes. Since
Reboot PC
If these steps do not change the LED status, reboot the PC.
44
Software Installation Checks
connection to the USB port on the PC or on the USB hub. If you are using a
USB hub, verify that the hub is connected to the PC.
try plugging the 82357B into another USB port.
(you can check using another USB device).
management state.
directly to a USB port on the PC. Some USB hubs are vulnerable to static shock.
the end connectors are somewhat fragile, check for bent/misaligned/crushed
connectors.
or Software Configuration
Keysight 82357B User's Guide
Checks.