20 Most Recent Runco RS-900 Bulb Questions & Answers

https://www.manualslib.com/manual/703453/Runco-Rs-900.html?page=73&term=lamp+hours&selected=3#manual https://www.manualslib.com/manual/703453/Runco-Rs-900.html?page=83#manual https://www.manualslib.com/manual/703453/Runco-Rs-900.html?page=85&term=reset&selected=19#manual

See troubleshooting chart of user manual. It may help. Troubleshooting Tips - Runco VideoXtreme VX-11d Installation & Operation Manual [Page 100] ' ManualsLib

https://www.manualslib.com/manual/142911/Runco-Runco-Video-Xtreme-Vx-2ix.html?page=66#manual Manual Contact the manufacturer RUNCO INTERNATIONAL, INC. Attn: Customer Service Department 2900 Faber Street Union City, CA 94587 Ph: (510) 324-7777 Fax: (510) 324-9300 Toll Free: (800) 23-RUNCO

If you wish to get some details; check the site linked here. Pull up older posts... http://electro-medical.blogspot.com/

The fan motor is defective, the moving it around makes the fans brushes contact the armature and it starts again, order a new cooling fan motor

The HDMI requires an expensive cable. You can't just hook up any old HDMI cable. Especially if you are attempting 3D.

The capacitors on the power supply need to be replaced. When you take apart the projector, and then remove the power supply (it's the section that the power cord goes to) and open it up. Look for the little can capacitors and see if any of them are bulging on top. That is the sign that they've blown. Replace the big ones (about 5) for about $5 in parts. Reassemble and test by turning it on. Search for YouTube video. This is an easy repair.

Just push the power button on the top. The power standby light is orange or yellow if the power supply is ready. If it is off when plugged in, then you have a bad power supply.

The capacitors on the power supply need to be replaced. When you take apart the projector, and then remove the power supply (it's the section that the power cord goes to) and open it up. Look for the little can capacitors and see if any of them are bulging on top. That is the sign that they've blown. Replace the big ones (about 5) for about $5 in parts. Reassemble and test by turning it on. Search for YouTube video.

That means you might not have computer (desktop/laptop) connection setting to projector. Cable from laptop to projector might be set but you need to do some settings to have movie shown on projector screen.
Here is link to show the setup
http://www.dummies.com/how-to/content/how-to-hook-up-your-laptop-to-a-video-projector.html
Each projector is different. You might want to press Computer on projector remote control to show PC/computer connection. You might also want to press fn+f8 key if you have Dell laptop to have image from pc/laptop transfer to the projector.
Thanks