What if the computer and the projector don't connect?

First of all, we plug in the relevant data line can be followed by the shortcut key fn+f4 to connect, the general computer F4 key is two screen form, of course, some are F3 or F7 and other keys, we can find the corresponding key according to the icon, the following figure:

If this is not the case, it is recommended to check whether the interface in the line has fallen off, if there is a corresponding interface and then try again, generally in the first time when the computer screen will be closed, and on the projector display computer desktop, when we only need to press a shortcut key (FN+F4 or other keys, Depending on the notebook brand, the desktop is synchronized with the projector screen.

Of course, sometimes we meet other friends, and the notebook can even but it is not connected to the situation, this is generally because of the different computer systems, or the operator accidentally pressed the projector's remote control keyboard to switch, when we just on the projector remote control on the top from the left number of the second key ( Computer key) At this time to press the shortcut key problem is solved. In general, when this happens, the projector screen displays the Rachel icon (like the shape of a nut), and the computer button on the remote control displays the data cable icon for our computer, as shown below:

The computer not even on the projector of the general situation is this, of course, if there are other people in the middle of the desktop and other electronic products linked to the link, we can use the remote control to set up the adjustment, as for the adjustment of the remote control here also do not do long explanation.