HP Armada 1100 Armada 1100 Family of Personal Computers Maintenance and Servic - Page 45

Table 2-25. Solving Screen Problems, Power Management timeout

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Table 2-25. Solving Screen Problems Problem Probable Cause Solution(s) Characters are dim. The brightness or Adjust the control(s) on contrast (if applicable) the right side of the control is not set computer display. properly. Computer screen is in Tilt the display or move direct light. computer. Screen is blank. You initiated QuickLock/ Enter the password to QuickBlank. exit QuickLock/ QuickBlank. You may have another screen blanking utility installed. Press any key and/or enter your password. Screen save was initiated after the Power Management timeout period of inactivity Press any key or click the mouse. If an STN screen is used, brightness/ contrast needs adjusting. Use the control on the display to adjust the brightness/contrast. Standby was initiated. Press the standby button to exit Standby. Computer screen is Display was switched to Press the Fn+F4 hotkey to blank and the screen the external monitor. display information on on an external the computer screen. monitor displays information. Garbled characters You are using 800 x 600 Restart your computer. If on internal display or higher resolution on simultaneous display is or flashing internal external display and desired, use 640 x 480 display when have toggled back to resolution. connected to internal display, which external monitor. only supports 640 x 480 resolution. The image on the You are using an This is typical; no external monitor external monitor and action is required. does not fill the simultaneously screen. displaying an image on the computer display. Small red, green, or Small spots, called This is typical; no blue spots appear on on-pixels, often appear action is required. the computer TFT on TFT screens. Compaq display. limits the number of these on-pixels to 0.003 percent of the approximately 1 million transistors that are on a 10.4-inch display.

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Table 2-25. Solving Screen Problems
===========================================================================
Problem
Probable Cause
Solution(s)
===========================================================================
Characters are dim.
The brightness or
Adjust the control(s) on
contrast (if applicable)
the right side of the
control is not set
computer display.
properly.
Computer screen is in
Tilt the display or move
direct light.
computer.
---------------------------------------------------------------------------
Screen is blank.
You initiated QuickLock/
Enter the password to
QuickBlank.
exit QuickLock/
QuickBlank.
You may have another
Press any key and/or
screen blanking utility
enter your password.
installed.
Screen save was
Press any key or click
initiated after the
the mouse.
Power Management timeout
period of inactivity
If an STN screen is
Use the control on the
used, brightness/
display to adjust the
contrast needs
brightness/contrast.
adjusting.
Standby was initiated.
Press the standby button
to exit Standby.
---------------------------------------------------------------------------
Computer screen is
Display was switched to
Press the Fn+F4 hotkey to
blank and the screen
the external monitor.
display information on
on an external
the computer screen.
monitor displays
information.
---------------------------------------------------------------------------
Garbled characters
You are using 800 x 600
Restart your computer. If
on internal display
or higher resolution on
simultaneous display is
or flashing internal
external display and
desired, use 640 x 480
display when
have toggled back to
resolution.
connected to
internal display, which
external monitor.
only supports 640 x 480
resolution.
---------------------------------------------------------------------------
The image on the
You are using an
This is typical; no
external monitor
external monitor and
action is required.
does not fill the
simultaneously
screen.
displaying an image on
the computer display.
---------------------------------------------------------------------------
Small red, green, or
Small spots, called
This is typical; no
blue spots appear on
on-pixels, often appear
action is required.
the computer TFT
on TFT screens. Compaq
display.
limits the number of
these on-pixels to
0.003 percent of the
approximately 1 million
transistors that are on
a 10.4-inch display.
===========================================================================