If you have lamp problems with the Vivitek D555 projector, you can refer to the solutions below for troubleshooting.

1. Check whether the power cable of the projector is securely connected.

2. Ensure the power source is good by testing with another electrical device.

3. Restart the Vivitek D555 projector in the correct order and check that the Power LED is blue.

4. If you have replaced the lamp recently, try resetting the lamp connections.

5. Replace the lamp module if the lamp is broken.

6. Put the old lamp back in the projector and have the projector serviced.

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