36
Solving Problems
Lockups and Software Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product
Information Guide
.
The computer does not start up
The computer stops responding
NOTICE:
You might lose data if you are unable to perform an operating system shutdown.
A program stops responding
T
EST
THE
KEYBOARD
—
Connect a properly working keyboard to the computer, and try using the keyboard.
R
UN
THE
H
ARDWARE
T
ROUBLESHOOTER
—
See "Resolving Software and Hardware Incompatibilities"
on page 53.
C
HECK
THE
D
IAGNOSTIC
L
IGHTS
—
See "Diagnostic Lights" on page 47.
E
NSURE
THAT
THE
POWER
CABLE
IS
FIRMLY
CONNECTED
TO
THE
COMPUTER
AND
TO
THE
ELECTRICAL
OUTLET
T
URN
THE
COMPUTER
OFF
—
If you are unable to get a response by pressing a key on your keyboard or
moving your mouse, press and hold the power button for at least 8 to 10 seconds until the computer
turns off. Then restart your computer.
E
ND
THE
PROGRAM
—
1
Press <Ctrl><Shift><Esc> simultaneously.
2
Click
Applications
.
3
Click the program that is no longer responding.
4
Click
End Task
.
Summary of Contents for Dimension E520
Page 8: ...8 Contents ...
Page 12: ...12 Finding Information ...
Page 58: ...58 Troubleshooting Tools ...
Page 108: ...108 Removing and Installing Parts ...
Page 146: ...146 Appendix ...
Page 162: ...62 Index 162 Index ...