Compaq 1220 manual Installation of USB Function

3.4Installation of USB Function

The following procedure permits your computer to recog- nize or "enumerate"(A USB term) the USB HUB.

1.Power on the display monitor and then the com- puter.

2.Start "Enumeration" from the Windows® Desktop.

•During the enumeration of USB Hub, connect the key- board and mouse, to the computer and not to the down- stream ports on the display monitor. After the enumera- tion, the keyboard and mouse can be used by connecting to the downstream ports, if they are USB-compliant.

•Do not unplug the USB cable during the enumerations.

(1)Connect the computer and the display monitor with the included USB cable. Figure 7 will appear.

(2)Click “Next” on Figure 7 to get Figure 8.

(3)Click “Finish” on Figure 8 to complete the enumeration of USB HUB.

Figure 7

Figure 8

You can confirm that the USB HUB is successfully enumer- ated with the following method.

•Open “Device Manager” tab in “System” property under “Control Panel”. Confirm that “Generic USB HUB” is listed in “Universal Serial Bus Controller”. If you can’t confirm it, re-enumerate the USB HUB again by following (a) or (b).

(a)Disconnect and connect the USB cable to the upstream port of the display monitor.

(b)Cycle power of the display monitor off then on.

If the ! mark appears with “Generic USB HUB”, then enumeration was unsuccessful. Select “Generic USB HUB” marked with ! mark and click “Remove” and “Refresh”. After that, the enumeration is automatically started.

The enumeration of USB HUB may be necessary for each USB port on the computer.

Figure 9