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Prepare materials:
A cross, a new projector bulb, BenQ projector. As shown below 
Replace bulb
The first step: check the material
Check if the crosshead, the projector and the bulb are not damaged and can be used. If there is a problem with the material or it cannot be used, please deal with it in time. The projector and light bulb are damaged and need to be repaired and replaced. 
Step 2: Open the rear cover of the projector and remove the old light bulb
Place the projector upside down and use a cross to open the back cover above the bulb 
Then use a cross to hold the screws that hold the old bulb open. 
Step 3: Replace the back cover with a new bulb
Install the new lamp in the lamp holder and tighten the lamp fixing screw. When finished, secure the back cover and tighten the screws diagonally 
Precautions:
1. If the projector is still under warranty, please consider whether to open the back cover by tearing open the label. 
2, the light bulb fragile goods, before the replacement to protect the new light bulb, replace the old light bulb to avoid cracking, scratch the skin
BenQ projector how to change light bulbs? Just three easy steps
Sofa butler tips coup now, BenQ projector lamp life is generally around 2000 hours. However, after a long period of use, the brightness of the projector lamp will drop a lot, and the projected colors will also be somewhat dim. At this time, the projector lamp needs to be replaced for convenience. There are times when we don’t know about the projector and don’t know how to replace the lamp. Today, Xiaobian teach you, just three steps to teach you how to replace BenQ projector bulbs.