Solving Keyboard Problems; Solving Modem Problems - Compaq Armada E700 Series Maintenance And Service Manual

Table 2-13
Continued
Problem
Infrared port doesn't work.
Problem
Screen is blank and
keyboard is working.
Embedded numeric keypad
on computer keyboard is
disabled.
Problem
Modem loses connection.
Modem not responding
Possible Cause
Direct sunlight, fluorescent
light, or flashing incandescent
light is close to the infrared
connections.
There is interference from
other wireless devices.
IR has been disabled.
Table 2-14

Solving Keyboard Problems

Possible Cause
A screen timeout has
been initiated..
QuickLock/QuickBlank
has been initiated
LCD has been disabled.
Num Lock function is not
turned on
Table 2-15

Solving Modem Problems

Possible Cause
The cable connection from the
phone line to the modem is
loose.
Call Waiting has not been
disabled.
There is noise or excessive
traffic on the phone line.
Modem is not set up correctly
in system BIOS.
Solution
Remove the interfering light
source(s).
Keep remote control units such
as wireless headphones and
other audio devices away from
the infrared connections.
Run IR configuration utility in
Control Panel.
Solution
Press any key to refresh the
screen.
To enable the keyboard and
return your information to the
screen, enter your power-on
password.
Press Fn+F4 to cycle from
external monitor to internal LCD.
Press Fn + Num Lk to enable the
Num Lock function and
embedded numeric keypad.
Solution
Check to make sure the
telephone cable is properly
connected.
Disable Call Waiting:
1. Select Start Setting
Control Panel select
Modems.
2. From the General tab of the
Modems Properties page,
select Dialing Properties.
From the My Locations tab of the
Dialing Properties page, check
the box labeled This location has
call waiting. Select *70, 70#, or
1170 from the drop-down list to
disable call waiting.
Try connecting at a later time.
Check the computer BIOS setup. If
it requires specific settings for
modems, be sure that they have
been enabled.
Continued
Troubleshooting 2-19