Make certain you have read the Proxima C450 LCD Projector manual thoroughly before attempting the Proxima C450 LCD Projector bulb replacement on your Proxima C450 LCD Projector. Without touching the surface of the Proxima C450 LCD Projector lens, remove the lens tube and set it aside. Write down the number from inside the tube's inner lip for the purpose of make, model or serial number for any future need to buy Proxima C450 LCD Projector replacement parts. Your bulb should be sitting just beyond the opening of the Proxima C450 LCD Projector body. Reach in with two fingers and disconnect the Proxima C450 LCD Projector bulb. Reverse these steps to re-assemble your Proxima C450 LCD Projector. This concludes the Proxima C450 LCD Projector review - be sure to read the entire Proxima C450 LCD Projector manual.