Common problems and solutions about projector

After choosing a favorite projector and taking it home, improper use will cause the projector to fail, so what should we do when there is a failure? Here are some common problems and solutions.

No signal or white screen

1. If there is no signal, the normal menu of the projector cannot be called up. Check whether the key is available after connecting the signal.

2. If the projector cannot search for signals after connecting to the computer, confirm whether the output resolution of the computer is set to the real resolution supported by the projector, and the refresh rate is set to 60Hz; right click the blank area of the desktop and select "Properties", "Settings", "advanced", "troubleshooting" = "hardware accelerator" and drag it to the "None" state (default is "all"), and click "OK". If the notebook is connected, press the keyboard function combination key of the notebook to switch, which is generally FN + F × key (different notebook combination keys of different brands are generally one of F1-F12 keys, with icons similar to two monitors on it).

Common problems and solutions about projector

3. If there is still no signal output, you can replace a computer connection and a signal line. If the problem is still the same, you can directly contact the maintenance station for processing.

Unable to power on
1. if the projector bulb fails or the bulb reaches the service life, it needs to be replaced with a new bulb.
2. The projector fan fails, and the speed is abnormal, resulting in shutdown.
3. Projector power failure.
4. Projector lighting plate failure.
5. Projector main board failure.
6. Projector color wheel failure, etc.

In this case, it is better to find a professional projector maintenance personnel for testing, and the specific problems are better to analyze and judge.

Image skew

1. Confirm that the picture color of the projection signal source is normal and the computer picture is normal, that is, there is a problem in the transmission.

2. The color is abnormal, that is, the color is biased, 90% of the replacement wire will be solved.

3. If the projector wire is replaced or abnormal, it should be repaired. Replace the LCD panel, which is the imaging part of the projector.

4. Confirm whether the projection is broken again. Press the remote control and menu menu to enter the projector setting item and set the projector to the factory setting.
 
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