Apple Multiple Scan 720 Display - Manual (Page 30)

30 Chapter 4
Protecting your monitor from theft
The slot on the back of the monitor is for connecting a security lock. It lets you attach a
narrow, flexible cable that you can use to secure your monitor (and the rest of your
computer system) to prevent theft. Security locks are available from an Apple-authorized
dealer or service provider.
Troubleshooting
Solutions to common problems related to your monitor are described here. Problems related
to the computer are covered in the manuals that came with your computer.
If the screen image is dim, flickers, or does not appear
First try these basic checks:
m Make sure that the power cord is plugged in properly.
If the monitor power cord is plugged into your computer, make sure your computer is on
and the cord is firmly plugged into the computer and the wall.
m Make sure the monitor cable is plugged into your computer properly.
If you have a graphics card installed in your computer, the monitor cable should be
plugged into the port on the graphics card.
If you do not have a graphics card installed in your computer, the monitor cable should
be plugged into the monitor port on the back of your computer.
m Make sure the thumbscrews on the monitor cable are tightened securely into the port
connector.
m Make sure that your computer and monitor are turned on.
If you still have problems, look for your problem on the following pages and follow the
instructions.
Warning If you have a problem with your monitor and nothing presented in this
manual solves it, consult the service and support information that came with your
monitor for instructions on how to contact an Apple-authorized service provider or
Apple for assistance. If you attempt to repair the monitor yourself, any damage you
may cause to the monitor will not be covered by the limited warranty on your monitor.
Contact an Apple-authorized dealer or service provider for additional information
about this or any other warranty question.
Never remove the case from the monitor! You could come in contact with hazardous
voltage.