Lenovo M500 manual Remote control problems, Audio problems, Servicing the projector

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Remote control problems

	Issue	Solution(s)

	The projector does not respond to the	1.	Direct the remote control towards remote sensor on the projector.
	remote control.	1.
	remote control.	2.	Ensure that the path between remote and sensor is not obstructed.
		2.
		3.	Turn off any fluorescent lights in the room.
		4.	Check the battery polarity.
		5.	Replace the batteries.
		6.	Turn off other Infrared-enabled devices in the vicinity.

Audio problems

Issue	Solution(s)

There is no sound.	1.	Adjust the volume on the remote control
	1.	Adjust the volume on the remote control
	2.	Adjust the volume of the audio source.
	3.	Check the audio cable connection.
	4.	Test the source audio output with other speakers.

The sound is distorted.	1.	Check the audio cable connection.
	1.	Check the audio cable connection.
	2.	Test the source audio output with other speakers.

Servicing the projector

If you are unable to solve the problem, you should have the projector serviced. For details on obtaining service, go to Appendix D, “Service and Support,” on page D-1.

Appendix B. Troubleshooting B-3

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Contents M500 Projector User’s Guide Page M500 Projector User’s Guide Ii M500 Projector User’s Guide Contents Iv M500 Projector User’s Guide Safety information Vi M500 Projector User’s Guide Service General safety guidelinesPower cords and power adapters Extension cords and related devicesHeat and product ventilation BatteriesCD and DVD drive safety M500 Projector User’s Guide Registering your option Xii M500 Projector User’s Guide Product Description Packing checklist Top view Top view of the projectorOn-Screen Display OSD buttons and LEDs Rear view Rear view of the projectorBottom view Remote control partsBottom view of the projector Product Description Remote control operating range Projector and remote control buttons 10M500 Projector User’s Guide Inserting remote control batteries Setup and OperationConnecting devices Description Connecting input devicesConnecting to a USB device Starting and shutting down the projector Setting access passwords security lock Setup and Operation Adjusting the projected image position Adjusting zoom, focus and keystone Adjusting with the projector quick menu button Adjusting volumeOSD menu controls On-screen display OSD menu settingsNavigating the OSD Function2M500 Projector User’s Guide Quality menu Setting the OSD languageQuality menu functions available for connected source Description DefaultComponent Function Video Composite videoProperties menu Properties menu functions available for connected source Advance features User Color Description Default Options menu Setup menu Language menu Setup menu functions available for connected sourceInformation menu 14M500 Projector User’s Guide Replacing the projection lamp Appendix A. MaintenanceResetting the lamp Cleaning the case Cleaning the projectorCleaning the lens Using the Kensington lock Common problems and solutions Appendix B. TroubleshootingTroubleshooting tips LED error messagesLamp problems Image problemsServicing the projector Remote control problemsAudio problems 4M500 Projector User’s Guide Specifications Appendix C. SpecificationsProjection distance vs. projection size Frequency H Signal Resolution KHz Video Digital Analog Timing mode table4M500 Projector User’s Guide Telephone technical support Appendix D. Service and SupportOnline technical support 2M500 Projector User’s Guide Part 1 General Terms Appendix E. Lenovo Statement of Limited WarrantyWhat Lenovo Will Do to Correct Problems Limitation of Liability Part 2 Country-unique TermsBolivia Canada Malaysia Following Terms Apply to ALL Emea Countries Governing Law Following Terms Apply to ALL EU Countries Second paragraph does not apply Egypt Slovakia Warranty Period Part 3 Warranty InformationTypes of Warranty Service Type of WarrantyCountry or Region Telephone Number Worldwide telephone listAppendix E. Lenovo Statement of Limited Warranty E-15 16M500 Projector User’s Guide Guarantee supplement for Mexico 18M500 Projector User’s Guide Appendix F. Notices Trademarks For Home or Office USE Appendix G. Electronic emission noticesAvis de conformité à la directive de l’Union Européenne Unione Europea Directiva EMC Conformidad électromagnética 4M500 Projector User’s Guide Page Part Number 40Y7881