Troubleshooting; Common Problems And Solutions; Tips For Troubleshooting - ViewSonic Pro9510L User Manual

Common Problems and Solutions

These guidelines provide tips to deal with problems you may encounter while using the projector. If the
problem remains unsolved, contact your dealer for assistance.
Often after time spent troubleshooting, the problem is traced to something as simple as a loose connection.
Check the following before proceeding to the problem-specific solutions.

Use some other electrical device to confirm that the electrical outlet is working.

Ensure the projector is turned on.

Ensure all connections are securely attached.

Ensure the attached device is turned on.

Ensure a connected PC is not in suspending mode.

Ensure a connected notebook Display is configured for an external display.
(This is usually done by pressing an Fn-key combination on the notebook.)

Tips for Troubleshooting

In each problem-specific section, try the steps in the order suggested. This may help you to solve the
problem more quickly.
Try to pin point the problem and thus avoid replacing non-defective parts.
For example, if you replace batteries and the problem remains, put the original batteries back and go to
the next step.
Keep a record of the steps you take when troubleshooting: The information may be useful when calling for
technical support or for passing on to service personnel.
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