Not sure if you need to replace your light bulb?

1, The brightness is dimmed. 2，The machine shows that its useful life is up. 3，The LAMP indicator is red on. 4，The light bulb burned out.

Not sure about the right light bulb for your projector?

In the description, we all have the projector model that the lamp is suitable for, you can refer to it. If you cant find it, you can find us and we will recommend a lamp for your projector model.

Install new lights and show no signal?

No signal is projected after the installation of the new bulb. Check whether the wire connection and the bulb cover are installed to determine whether there is no signal after the problem is established, or the machine hardware is faulty.

Is this bulb easy to install?

Yes, he installs very easily, just like you take out your old light. And we come with a screwdriver, you dont need any tools.

If it doesnt fit my projector or I dont need it, can I return it?

Sure, you can. Please preserve the appearance of the bulb intact and contact Amazon to replace or return the bulb. If Amazon cant solve your problem, please leave us a message and we will try our best to solve your problem.