National Instruments PCI-8430, Manual

Page: 166 / 237

How do I force Windows to detect my USB
hardware?
If your USB hardware does not show up in the device manager, Windows
did not detect your hardware. To solve this problem, complete the
following steps:
1. Select Start»Control Panel and double-click the System icon.
2. Select the Hardware tab and click the Device Manager button.
The Device Manager window should appear as shown below.
3. Double-click the Ports (COM & LPT) icon. Verify that all USB
serial communication ports are displayed without exclamation
marks (!). If any USB serial port has an exclamation mark, right-
click the port and select
Uninstall .
4. Double-click the Universal Serial Bus Controllers icon. Verify
that no USB Composite Devices have exclamation marks (!). If
any USB Composite Device has an exclamation mark, right-click
the port and select
Uninstall .
5. Click the Scan for Hardware Changes icon at the top of the
Device Manager window.
6. Windows should automatically detect your hardware.
7. If any of your serial ports are still not visible, disconnect and
reconnect the USB serial hardware to a different USB port and
return to step 2.