Symptom

Modem isn’t detected.

Modem connects, but transferred data is bad.

Modem doesn’t fax.

General problems.

One-Touch button problems

Buttons not working properly.

On-screen display does not appear when button is pressed.

Printing

Printer doesn’t print

Call Center:

Suggestions

Check modem setup in Control Panel. Check COM port.

Open Device Manager. If modem is disabled, enable it. If conflict exists, try disabling another device.

If running fax software using fax Class 2, try Class 1.

Verify settings in Control Panel. Make sure parity, speed, word length, and stop bits match on sending and receiving modems.

Disable error correction and data compression.

If using fax Class 2 in fax software, try Class 1.

Close any other communications programs.

If faxing by printing from application, make sure fax printer is selected.

Turn off power management features temporarily.

If PC card modem is not working, disable internal modem in Control Panel.

Download latest modem driver from technical support area of HP Notebook web site (see page vi).

Make sure correct applications are associated with buttons in One-Touch tab of Keyboard in Control Panels.

Make sure Onscreen Display is enabled in One-Touch tab of Keyboard in Control Panels.

Make sure printer is on.

Make sure printer cable is securely attached at both ends.

Make sure cable or cable adapter is appropriate for printer type.

Use print troubleshooter in Windows Help.

Repair Center:

Likely Causes

Mini-PCI card.

Motherboard.

Mini-PCI card.

Mini-PCI card.

Motherboard.

Keyboard cover. Keyboard cover PCA. Motherboard.

Cable.

Motherboard.

Repair Center: Comments

3-16 Troubleshooting and Diagnostics

HP Pavilion zt1100/xz100 Omnibook xt1000