Bread Pitt
Member
Q: Is the screen color of the projector different from that of the monitor?
A: When the color of the screen on the projector is different from the color of the display, it is possible that the VGA cable is not connected properly or the cable of a certain color is dropped inside. In addition, the LCD panel may be burnt out.
Q: The characters projected on the screen by the projector are not displayed completely?
A: It may be that when some projectors have insufficient resolution, the character graphics are not displayed completely. You can reduce the resolution of the computer to see if it displays completely. If not, one of the three LCD chips has been burned out.
Q: The projector appears dark yellow or the color is not full?
A: If the projector appears dark yellow or the color is not colorful, it may be that the life of the lamp has expired. Replace the lamp (it is worth noting that the lamp usage time must be reset after the replacement, otherwise the new lamp will be easily aged according to the old time .
Q: connecting the projector laptop, no video output?
A: a notebook computer external display device, there are four general display output control.
① laptop LCD screen bright, bright external display device
② laptop LCD screen bright external display device does Bright
③The notebook LCD screen is not bright, the external display device is bright.
④The notebook LCD screen is not bright, the external display device is not bright.
Solution: Just press the function key of the laptop keyboard to switch.
Q: The output image of the projector is unstable, Stripe fluctuations?
A: The projector power signal and the signal source power signal do not share the same ground.
Solution: Plug the power cord of the projector and the signal source device on the same power wiring board.
Q: The projector is often used in low temperature areas in the north . Power failure occur?
a: when working in the projector, the ambient temperature is often ignored and damage caused by the machine
Solution: get the room from the outside, do not immediately start, should be placed in the room for some time and then boot.
Q: When I bought it, the projection effect was good. When I came back to use it, I found that the effect was very poor.
A: Many times it is not a problem of the machine.
For example: the signal-to-noise ratio of the input source signal is not ideal; the quality of the projection screen is poor, which directly affects the projection picture.
Solution: Pay attention to signal source selection. Consult the buyer to select the screen that matches the machine purchased.
Q: The projection screen is not 4: 3 standard ratio, trapezoidal?
A: Different projectors have different lens projection angles, with horizontal projection and elevation projection.
Solution: For the projector with keystone correction function, you can adjust the relevant settings in the adjustment panel or function menu; you can also adjust the projector base or outrigger to debug the screen effect. Q: Is there a ghost image in the projected image?
A: In most cases, it is due to poor performance of the connection cable.
Solution: replace the signal cable (note the matching problem with the device interface)
A: When the color of the screen on the projector is different from the color of the display, it is possible that the VGA cable is not connected properly or the cable of a certain color is dropped inside. In addition, the LCD panel may be burnt out.
Q: The characters projected on the screen by the projector are not displayed completely?
A: It may be that when some projectors have insufficient resolution, the character graphics are not displayed completely. You can reduce the resolution of the computer to see if it displays completely. If not, one of the three LCD chips has been burned out.
Q: The projector appears dark yellow or the color is not full?
A: If the projector appears dark yellow or the color is not colorful, it may be that the life of the lamp has expired. Replace the lamp (it is worth noting that the lamp usage time must be reset after the replacement, otherwise the new lamp will be easily aged according to the old time .
Q: connecting the projector laptop, no video output?
A: a notebook computer external display device, there are four general display output control.
① laptop LCD screen bright, bright external display device
② laptop LCD screen bright external display device does Bright
③The notebook LCD screen is not bright, the external display device is bright.
④The notebook LCD screen is not bright, the external display device is not bright.
Solution: Just press the function key of the laptop keyboard to switch.
Q: The output image of the projector is unstable, Stripe fluctuations?
A: The projector power signal and the signal source power signal do not share the same ground.
Solution: Plug the power cord of the projector and the signal source device on the same power wiring board.
Q: The projector is often used in low temperature areas in the north . Power failure occur?
a: when working in the projector, the ambient temperature is often ignored and damage caused by the machine
Solution: get the room from the outside, do not immediately start, should be placed in the room for some time and then boot.
Q: When I bought it, the projection effect was good. When I came back to use it, I found that the effect was very poor.
A: Many times it is not a problem of the machine.
For example: the signal-to-noise ratio of the input source signal is not ideal; the quality of the projection screen is poor, which directly affects the projection picture.
Solution: Pay attention to signal source selection. Consult the buyer to select the screen that matches the machine purchased.
Q: The projection screen is not 4: 3 standard ratio, trapezoidal?
A: Different projectors have different lens projection angles, with horizontal projection and elevation projection.
Solution: For the projector with keystone correction function, you can adjust the relevant settings in the adjustment panel or function menu; you can also adjust the projector base or outrigger to debug the screen effect. Q: Is there a ghost image in the projected image?
A: In most cases, it is due to poor performance of the connection cable.
Solution: replace the signal cable (note the matching problem with the device interface)
