BenQ LX810STD Quick Guide
![BenQ LX810STD manual cover](/images/NOlHgTIVqeHjglNFkkWxGUDg/thumbs/thumb175x175.webp)
To connect your BenQ LX810STD projector to a laptop, use an HDMI cable for the best quality. Plug one end into your laptop's HDMI port and the other into the HDMI input on the projector. Switch the input source on the projector to HDMI using the remote control or the buttons on the projector.
First, ensure that the power cable is securely connected to both the projector and a working power outlet. Check if the power indicator is lit. If not, try a different power cable or outlet. If the issue persists, the projector may need servicing.
To clean the lens, turn off the projector and unplug it. Use a microfiber cloth to gently wipe the lens in a circular motion. Avoid using cleaning solutions directly on the lens to prevent damage.
A blurry image can be due to an out-of-focus lens or incorrect projector positioning. Adjust the focus ring on the projector's lens until the image is sharp. Ensure the projector is perpendicular to the screen and within the recommended distance.
To update the firmware, visit the BenQ support website and download the latest firmware version for the LX810STD. Follow the instructions provided with the download to apply the update, usually involving a USB flash drive.
Regularly clean the projector's air filters to prevent overheating. Check and clean the lens as needed. Ensure the projector is operated in a dust-free environment to prolong its lifespan.
To adjust keystone settings, press the 'Keystone' button on the remote or projector. Use the arrow keys to correct the image distortion until the image is rectangular.
If the projector overheats, turn it off and allow it to cool down. Check that air vents are not blocked, and clean the air filters if necessary. Ensure the projector is in a well-ventilated area.
Turn off the projector and unplug it. Wait for it to cool down. Remove the lamp cover and unscrew the old lamp. Replace it with a new BenQ-compatible lamp, secure it with screws, and reattach the lamp cover.
Check if the audio cables are properly connected and that the volume is not muted. Ensure the correct audio input source is selected. If using HDMI, verify that audio output is enabled on your source device.