HP OmniBook 5500 Notebook PC - Manual (Page 82)

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For an infrared connection, start Infrared Monitor before you connect. In Control
Panel, double-click Infrared.
• For an MS-DOS program using an infrared connection, run the program in an
MS-DOS Prompt window instead of in MS-DOS mode.
If an application can’t access a serial port
• Check that the COM name you’re using is actually assigned to the port you’re
using—in OmniBook Tools click Connections and COM Ports.
• If an application doesn’t support the COM port number you’re using, change the
port names—in OmniBook Tools click Connections and COM Ports.
•
Check whether another application is preventing access to the port—even if it’s
not actively using it.
• Check in the communications application that you haven’t changed the address
and interrupt for the OmniBook port—for settings, see
“To specify serial port
settings.”
If the OmniBook stops responding after accessing a serial port
• If the OmniBook stops working, try turning it off and on.
• Press CTRL+ALT+DEL to reboot. If nothing happens, see “To reset the
OmniBook.”
If errors occur at serial speeds of 9600 baud or higher
• Select a lower baud rate in the application.
• Use OmniBook Tools to temporarily disable Power Management. (In OmniBook
Tools, click Power, click Custom, and clear the Power Management option.) If
this fixes the problem, check to see if your communications software may have