HP Pro SFF 280 G9 Desktop PC User Guide - Page 41

Keyboard and mouse (with cable), If you have wireless keyboard and mouse problems

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Table 8-3 Monitor symptoms and solutions (continued) Symptom Possible solution Screen is blank Press the space bar on the keyboard or move the mouse to redisplay the screen image. Press the Sleep button (select products only) or esc to resume from Sleep mode. Press the power button to turn on the computer. Inspect the monitor cable for bent pins. ● If any of the pins are bent, replace the monitor cable. ● If no pins are bent, reconnect the monitor cable to the computer. Images on the screen are too large or too small, or the images are fuzzy Adjust the monitor resolution setting in Windows. ■ Select the Start button, select Settings, and then select System. Under Display, select the appropriate resolution, and then select Keep changes. NOTE: In addition to the information listed here, see the documentation that came with your monitor. Keyboard and mouse (with cable) If you have wired keyboard and mouse problems, refer to the following table for possible solutions. Table 8-4 Keyboard and mouse (with cable) symptoms and solutions Symptom Possible solution Keyboard commands and typing are not recognized by the computer Use the mouse to turn off the computer. Disconnect and reconnect the keyboard to the back of your computer, and then restart your computer. Mouse (with cable) does not work or is not detected Disconnect and reconnect the mouse cable to your computer. If the mouse is still not detected, turn off the computer, disconnect and reconnect the mouse cable, and then restart the computer. Cursor does not respond to the arrow keys on the number keypad Press num lock on the keyboard to turn off num lock, so that the arrow keys on the number keypad can be used. Cursor does not respond to 1. Press alt+tab to navigate to an open program. mouse movement 2. Press ctrl+s to save your changes in the selected program (ctrl+s is the keyboard shortcut for the Save command on most-not all-programs). 3. Repeat step 1 and step 2 to save changes in all open programs. 4. Press the power button to turn off the computer. 5. After the shutdown is complete, disconnect and reconnect the mouse cable to the back of your computer, and then restart your computer. Keyboard and mouse (wireless) If you have wireless keyboard and mouse problems, refer to the following table for possible solutions. Keyboard and mouse (with cable) 33

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Table 8-3
Monitor symptoms and solutions
(continued)
Symptom
Possible solution
Screen is blank
Press the
space bar
on the keyboard or move the mouse to redisplay the screen image.
Press the Sleep button (select products only) or
esc
to resume from Sleep mode.
Press the power button to turn on the computer.
Inspect the monitor cable for bent pins.
●
If any of the pins are bent, replace the monitor cable.
●
If no pins are bent, reconnect the monitor cable to the computer.
Images on the screen are
too large or too small, or
the images are fuzzy
Adjust the monitor resolution setting in Windows.
■
Select the
Start
button, select
Settings
, and then select
System
. Under
Display
, select the
appropriate resolution, and then select
Keep changes
.
NOTE:
In addition to the information listed here, see the documentation that came with your monitor.
Keyboard and mouse (with cable)
If you have wired keyboard and mouse problems, refer to the following table for possible solutions.
Table 8-4
Keyboard and mouse (with cable) symptoms and solutions
Symptom
Possible solution
Keyboard commands and
typing are not recognized
by the computer
Use the mouse to turn off the computer. Disconnect and reconnect the keyboard to the back of your computer, and
then restart your computer.
Mouse (with cable) does
not work or is not detected
Disconnect and reconnect the mouse cable to your computer.
If the mouse is still not detected, turn off the computer, disconnect and reconnect the mouse cable, and then restart
the computer.
Cursor does not respond
to the arrow keys on the
number keypad
Press
num lock
on the keyboard to turn off num lock, so that the arrow keys on the number keypad can be used.
Cursor does not respond to
mouse movement
1.
Press
alt
+
tab
to navigate to an open program.
2.
Press
ctrl
+
s
to save your changes in the selected program (
ctrl
+
s
is the keyboard shortcut for the Save command
on most—not all—programs).
3.
Repeat step 1 and step 2 to save changes in all open programs.
4.
Press the power button to turn off the computer.
5.
After the shutdown is complete, disconnect and reconnect the mouse cable to the back of your computer, and
then restart your computer.
Keyboard and mouse (wireless)
If you have wireless keyboard and mouse problems, refer to the following table for possible solutions.
Keyboard and mouse (with cable)
33