IBM Aptiva C66
(250-0458)           Troubleshooting - Monitor        Faxback Doc. # 34535

If the problem is:                  Here's what to do:

Discolored screen.                  1.  Make sure that your monitor
                                        controls are adjusted correctly.

                                    2.  Move the monitor away from any
                                        equipment that might cause
                                        magnetic interference; for
                                        example, other monitors, audio
                                        speakers, or microphones.  (Some
                                        models of the computer come with
                                        microphones and speakers, which
                                        are shielded to prevent magnetic
                                        interference.)  Turn off the
                                        monitor, wait 30 minutes, and then
                                        turn the monitor on again.

                                    3.  Select a new color depth setting.

Picture shape on monitor            Adjust the monitor controls.  For
screen is poor.                     instructions, see the documentation
                                    that came with the monitor.

Display fonts appear cut            While your monitor resolution may
off or pushed together.             allow you to change the font size,
                                    some programs do not support large
                                    fonts.  Large fonts may cause words to
                                    appear cut off or pushed together.
                                    Check the settings in Display
                                    Properties.  Make sure the font size
                                    selected is small fonts.

White screen.                       1.  Make sure the monitor cable is
                                        correctly and securely connected
                                        to the system unit.

                                    2.  Make sure the system unit is
                                        turned on.

                                    3.  If available, connect another
                                        monitor to your system unit.  If
                                        the problem is corrected, some-
                                        thing may be wrong with your
                                        monitor.

Flickering or unsteady              1.  Select lower resolution, settings
picture on monitor screen.              for fewer colors, and higher
                                        refresh rates.

                                    2.  If your monitor is located close
                                        to another monitor, move them
                                        farther apart.

Screen is an intense yellow,        Check your Guide to HelpWare and All
magenta (purple or red-blue),       The Extras folder for information on
or cyan (blue-green) color.         obtaining service.

Adjustments from earlier            You may have selected more user-
use were not saved.                 definable modes than the monitor can
                                    save.  this occurs, the newest mode
                                    replaces oldest mode.  use the monitor
                                    controls to adjust the image for the
                                    display mode you are using.

Note:  If any of these problems continue after taking the actions listed,
       check your online Aptiva Helper or the Guide to HelpWare and All
       the Extras folder for information on obtaining service.

Image control indicator             1.  Make sure the monitor cable is
lights on the monitor                   correctly and securely connected
flash consecutively.                    to the system unit.

                                    2.  The monitor is using settings
                                        which have not yet been stored in
                                        its memory.  Adjust the monitor
                                        controls so that the screen is
                                        adjusted the way you want it.  The
                                        settings will be saved and the
                                        indicator lights will not flash.

Any of the following:               1.  If you have enabled the Standby
                                        feature, press any key or move the
                                        mouse to exit Standby.

                                    2.  If you have enabled the Rapid
                                        Resume feature and set up the
                                        Automatic Power Off option, turn
                                        the system unit back on.  If
                                        necessary, turn the monitor back
                                        on.

                                    3.  Make sure the monitor cable is
                                        correctly and securely connected
                                        to the system unit.

                                    4.  Make sure the system unit and
                                        monitor power cords are securely
                                        plugged into electrical outlets.

                                    5.  Make sure the system unit and
                                        monitor are turned on.  (The power
                                        indicator lights on the system
                                        unit and the monitor are lit when
                                        they are on.)

                                    6.  Adjust the monitor controls.

                                    7.  Change the background colors in
                                        your software program or try using
                                        a different software program.

                                    8.  Unplug the system unit power cord
                                        from the electrical outlet, wait
                                        10 seconds, and then plug the
                                        power cord back into the
                                        electrical outlet.  If the
                                        computer does not start
                                        immediately, push the on/off
                                        button on the system unit.

Note:  If any of these problems continue after taking the actions listed,
       check your online Aptiva Helper or the Guide to HelpWare and All
       the Extras folder for information on obtaining service.

(BR/BKL-09/05/96)

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