Compaq Armada m700 Compaq Armada M700 Series of Personal Computers Maintenance - Page 50

Table 2-14, Solving Keyboard, Problems, Possible Cause, Solution

Get Compaq Armada m700 - Notebook PC PDF manuals and user guides View all Compaq Armada m700 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 50 highlights

Table 2-13 continued Problem Cannot communicate with another computer (continued). Cannot transmit data. Infrared port doesn't work. Problem Screen is blank and keyboard is working. Embedded numeric keypad on computer keyboard is disabled. Possible Cause There is a conflict with the # bits. Solution Select the same # bits setting for both computers. There is a stop byte conflict. Select the same stop byte for both computers. There is a parity conflict. Select the same parity setting for both computers. Direct sunlight, fluorescent Remove the interfering light light, or flashing incandescent source(s). light is close to the infrared connections. There is interference from other wireless devices. Keep remote control units such as wireless headphones and other audio devices away from the infrared connections. There is a physical obstruction in the way. Do not place objects that will interfere with a line-of-sight data transmission between the two units. One of the units was moved Do not move either unit during data during data transmission. transmission. The orientation of the units is Adjust the devices so that they point wrong. directly at each other. The distance between the units is too great. Verify that devices are not more than 1.5 feet (0.5 meter) apart. Direct sunlight, fluorescent Remove the interfering light light, or flashing incandescent source(s). light is close to the infrared connections. There is interference from other wireless devices. Keep remote control units such as wireless headphones and other audio devices away from the infrared connections. IR has been disabled. Run IR configuration utility in Control Panel. Table 2-14 Solving Keyboard Problems Possible Cause Solution A screen timeout has been initiated.. Press any key to refresh the screen. QuickLock/QuickBlank has been initiated To enable the keyboard and return your information to the screen, enter your power-on password. LCD has been disabled. Num Lock function is not turned on 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. Troubleshooting 2-19

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
Troubleshooting
2-19
Table 2-13
continued
Problem
Possible Cause
Solution
Cannot communicate
with another computer
(continued).
There is a conflict with the #
bits.
Select the same # bits setting for
both computers.
There is a stop byte conflict.
Select the same stop byte for both
computers.
There is a parity conflict.
Select the same parity setting for
both computers.
Cannot transmit data.
Direct sunlight, fluorescent
light, or flashing incandescent
light is close to the infrared
connections.
Remove the interfering light
source(s).
There is interference from
other wireless devices.
Keep remote control units such as
wireless headphones and other
audio devices away from the
infrared connections.
There is a physical
obstruction in the way.
Do not place objects that will
interfere with a line-of-sight data
transmission between the two units.
One of the units was moved
during data transmission.
Do not move either unit during data
transmission.
The orientation of the units is
wrong.
Adjust the devices so that they point
directly at each other.
The distance between the
units is too great.
Verify that devices are not more
than 1.5 feet (0.5 meter) apart.
Infrared port doesn’t
work.
Direct sunlight, fluorescent
light, or flashing incandescent
light is close to the infrared
connections.
Remove the interfering light
source(s).
There is interference from
other wireless devices.
Keep remote control units such as
wireless headphones and other
audio devices away from the
infrared connections.
IR has been disabled.
Run IR configuration utility in Control
Panel.
Table 2-14
Solving Keyboard
Problems
Problem
Possible Cause
Solution
Screen is blank and
keyboard is working.
A screen timeout has
been initiated..
Press any key to refresh the screen.
QuickLock/QuickBlank
has been initiated
To enable the keyboard and return
your information to the screen, enter
your power-on password.
LCD has been disabled.
Press
Fn+F4
to cycle from external
monitor to internal LCD.
Embedded numeric
keypad on computer
keyboard is disabled.
Num Lock function is not
turned on
Press
Fn+Num Lk
to enable the
Num Lock function and embedded
numeric keypad.