HP OmniBook 7100 HP OmniBook 7100 PC Reference Guide - F1440-90001/2/3 - Page 117

Infrared Problems

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Troubleshooting Solving Problems Infrared Problems If you have problems with infrared communications • Windows NT 4.0 does not support infrared devices. • Make sure the infrared light path is not blocked. • Line up the OmniBook's infrared port and the other infrared port in as straight a line as possible. The two ports should be no more than 1 meter apart, with no obstructions in between. Noise from nearby equipment can cause transmission errors. • Press Fn+F to toggle between the front and rear OmniBook infrared ports. • Check settings in BIOS Setup utility. 1. From the Start menu, shut down, then restart the OmniBook. 2. When you see the HP logo, press F2 to enter the BIOS Setup utility. 3. From the System Devices menu, check that Infrared Port is enabled. 4. Check which infrared port you have enabled (front or rear port). 5. Press F10 to Save and Exit the BIOS Setup utility. • For infrared communications, an infrared driver must be installed and a BIOS Setup setting must be enabled. See page 4-14. • Check that only one application is using the infrared port. • Standard IrDA and fast-IrDA are incompatible. They use different drivers. • For fast-IrDA, check for DMA conflict with ECP parallel port. • Remove any PC Cards. An infrared IRQ conflict is possible if two PC Cards are plugged in at the same time. If an infrared printer doesn't print • Make sure the infrared light path is not blocked. • An infrared driver must be installed and the BIOS Setup setting must be enabled. For details, refer to the drivers' Readme files located in \OmniBook\Drivers. • In Windows Help, use the Print Troubleshooter. 7-7

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Troubleshooting
7-7
Infrared Problems
If you have problems with infrared communications
•
Windows NT 4.0 does not support infrared devices.
•
Make sure the infrared light path is not blocked.
•
Line up the OmniBook’s infrared port and the other infrared port in as straight a
line as possible. The two ports should be no more than 1 meter apart, with no
obstructions in between. Noise from nearby equipment can cause transmission
errors.
•
Press Fn+F to toggle between the front and rear OmniBook infrared ports.
•
Check settings in BIOS Setup utility.
1. From the Start menu, shut down, then restart the OmniBook.
2. When you see the HP logo, press F2 to enter the BIOS Setup utility.
3. From the System Devices menu, check that Infrared Port is enabled.
4. Check which infrared port you have enabled (front or rear port).
5. Press F10 to Save and Exit the BIOS Setup utility.
•
For infrared communications, an infrared driver must be installed and a BIOS
Setup setting must be enabled. See page 4-14.
•
Check that only one application is using the infrared port.
•
Standard IrDA and fast-IrDA are incompatible. They use different drivers.
•
For fast-IrDA, check for DMA conflict with ECP parallel port.
•
Remove any PC Cards. An infrared IRQ conflict is possible if two PC Cards are
plugged in at the same time.
If an infrared printer doesn’t print
•
Make sure the infrared light path is not blocked.
•
An infrared driver must be installed and the BIOS Setup setting must be enabled.
For details, refer to the drivers’ Readme files located in \OmniBook\Drivers.
•
In Windows Help, use the Print Troubleshooter.