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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.
Connecting an External Monitor or Data Projector You can switch to anexternal monitor or data projector by two methods.1. Connect the externalmonitor to the laptop's video port, power up the external monitor first and thelaptop. The video information will automatically switch to the externalmonitor.2. If you power up thelaptop first then you can switch the video output to the external monitor bypressing the Fn key and one of the Function keys, depending upon your make andmodel laptop. You can also toggle between the external monitor or both LCD screenplus the external monitor or back to LCD screen only by pressing the Fn keyplus one of the function key. Here is a list of keycombinations for some of the laptops :-IBM ThinkPad = Fn + F7HP and Compaq = Fn + F4Toshiba = Fn + F5Dell = Fn + F8
If you connect the laptop before switching it on, it will default to external screen and force a picture, make sure the projector is powered up and configured to the correct resolution or you will get nothing. Hope that helps
The problem youve discribed does seem to point to your back light has failed on the laptops lcd display, i dont know exactly how this would accure just using a projector though, go into bios again and try loading factory settings.
This problem could also be the inverter if you cant make out even a slight image on the screen.
You can connect your computer to a projector to give a presentation
on a large screen.First make sure the projector is turned on, and then
plug the display cable from the projector into a video port on your
Then press Win Key+P or run DisplaySwitch.exe and choose your preferred display.
Note:1.You can use this same procedure to connect your computer to a monitor
2.This will have no effect if you’ve only one display connected
When you connect a data projector or a monitor to the video output connector on the laptop you can toggle the display in various configuration by press and hold the blue Fn key and then press the F7 key (once or a couple of times as required) this key has a blue symbol of a pair of monitors.
Press it once the LCD will switch off and the display will switch to the external video output.
Press it again and the display will be on both the LCD and the external video output.
Press it again and the display will be only on the LCD.
Laptops with a VGA output on the back shouldn?t need any type of ?device? for the projector to work. If its displaying an image with odd colors I would suspect a problem with the projector or the cable that connects them. The easiest way to determine if it?s the projector/cable or the laptop is try connecting it to another PC or laptop.
That could be a video card driver issue. It seems that when the projector is connected, windows detects it a create another screen using up more memory. Try download a latest video card driver for your laptop http://www-307.ibm.com/pc/support/site.wss/license.do?filename=mobiles/1rd635ww.exe
this is for Windows 200/XP for the IBM Thinkpad T42. If that doesn't work then you should also try updating your operating system.
Hope that helps!