Monitor the camera gray screen
3, video line problems. Video cable, video plug bad contact, faulty. Remedy: Remove the camera, get the host next to, re-create a video line to see the effect.
2, the camera itself quality problems. Now a lot of domestic miscellaneous brand camera, the background running program is very poor, resulting in excessive heat of the camera, over time, there will be a variety of problems. The general situation is color black and white. Suggestions for hundreds of pieces for a good brand, for example: like a cottage Apple phone and the middle of the gap between Apple.
1, power reasons. The basic can rule out this reason, because it has been running for 2 months. If you do not worry about the power, you can do this: remove the camera, change the new power (or now use a normal) next to the host test. (Because the output line of the power cord is too long, there may be insufficient voltage.)
