Go into the display settings in the control panel on your computer. chances are your monitor is not set in the display settings. or if you are able to see the screen but not see what is on the computer then it is mostlikely set to "extend windows to this monitor" uncheck that box and you should now see whatever is on your screen. also you may see it listed as 2 monitors. you can drag and move the #2 monitor to the #1 monitors spot and it changes the order of the dispaly for what is the primary and what is the secondary.
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Virtually all IBM and Lenovo ThinkPad and ThinkCenter laptops allow you to hook up an additional monitor or projector to the computer. When you add an external monitor or projector to your notebook, you can choose to view the display on the computer, on the external device, or on both the laptop and the external monitor or projector at the same time. Toggling between viewing devices is as simple as pressing a couple of keys on the keyboard.
You are not providing enough information to help you. Have you set the display to use an external monitor or dual monitor? That is how laptops work with projectors. You normally can set the system for dual display and either mirror the displays or use the second display (projector) for power point or other presentation.
If this does not fix the problem, post more information on why it is not working for you.
Hi you must tell the laptop to display out on the projector, how to do that?! you must toggle the display path Generally, there is button ( with Fn keys ) have dusplay screen sample on it, use it with Fn to toggle the display Display have 3 modes:
outside LCD projector or monitor,
or bith 1 + 2
you can press the keys 3 times ( at maximum ) to have the display on both laptop screen and projector
Usually the key combination is 'Fn' (function Key) + F4 (or which ever F key that displays the symbol of monitor on it). This key combination is used to toggle the display between monitors.
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Couple ways. If you hook up the projector before turning on the laptop it should work. The preferred way, however, is to 'toggle' to the external moniter on your keyboard. Look for a icon on the Function keys (usually F4 or F5) on the top of your keyboard that looks like an external display. It may have a color, like green. It the lower left there maybe a key of the same color. You need to hold the lower left key while pressing the F key at the top. It will likely toggle between the external monitor only, both monitors, and internal only. Good luck.
When you connect a data projector or external monitor to the external video port on the laptop, power up the data projector or external monitor first then the laptop. The video info will automatically divert to the data projector/external monitor automatically.
If you have already had powered up the laptop first, most laptops will allow you to toggle between the LCD screen and the external video port by pressing the Fn key plus one of the Function keys, this key will have a screen/laptop symbol.
On your laptop you have the ability to toggle the external display on/off/both. On several laptops I see, it is a combo of teh Function Key+F4 (or F5). The key for your laptop (you did not provide type) should be marked with an image of a projection screed or a monitor in a color matching function key; often blue.
With everything connected, press these keys to toggle from Laptop Display Only to Projector Only to Both.
If the problem is not your laptop, then verify the input source that the projector is looking for via it's menus or a button on the remote. Toggle the source if required.
Most laptops have a Function (Fn) key in an alternate color (blue maybe) from the usual key text color (white usually).
By pressing this key, along with another key that has text of the same (blue) color, perhaps labelled with "LCD/CRT" or a pic of a monitor, or of 2 squares - one single square and one double "square in square", you can toggle between the modes of: 1. Laptop display only, 2. external display only, or 3. Both displays.
Be sure to check your laptop model manual for specific details to make sure this is possible.
Many laptop computers do not automatically turn on their external video
port when a projector is connected. On many laptops, the activation
function key is labeled with an icon or the text CRT/LCD.
Try the Function Key with the Icon of a monitor to enable the external video port.
If that does work, look at the settings on the projector using the buttons on the top.
Check the "Default Source"
Default Source toggles among Computer 1 analog, Computer 1 digital, Computer 2, and Video. This determines which source the projector checks first for active video during power-up. Highlight Default Source and click the left or right mouse button to toggle among the options.