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That's because you activated the NumLock mode! Have a look at your keyboard -upper right-, you'll find a "NumLock" key, push it once more and you will deactivate it and retrieve the normal use of any keys!
Good luck, Jopica123
You can simply do this by pressing the "Function" (or "Fn") key, followed by one of the numbered "F" buttons along the top of your keyboard. In most cases there will be a graphic of what looks like a television screen on the correct "F" key (e.g. "F4"), but if you aren't sure consult the manual that came with your specific model.
If that doesn't work in some cases doing a manually configuring multiple displays will often vary from laptop to laptop, depending on the graphics chip and software installed. In most cases, you can navigate to the Control Panel, then click on Displays, and then on Settings.
On this screen you should see two numbered boxes, labeled 1 and 2. Clicking "Identify" should flash a number on the screen to indicate which monitor is which. Below this is a slider that set's the resolution and color depth of the output. The way this works, click the monitor (1 or 2) then make changes to the resolution and color depth (Don't forget to hit the Apply button after changes are made)
If there's no picture on the projector, most likely the VGA output to that projector is disabled. Click on the number that did not flash on the notebook screen. Right click this number, and select "Enable Display." In the resolution slider (in ksharp's case), slide it to 1024x768, and select 32 or 24 bit color depth. Hit Apply.
Connect the data projector to the video port on the laptop. Then power up the data projector and then the laptop, the video data will automatically be diverted to the data projector. If you want to see the Windows image on your laptop screen as well you need to press and hold down the FN key plus one of the function keys on you laptop which has a screen symbol. Pressing this key will toggle between the laptop screen, data projector or both laptop screen plus data projector. You can open Power Point and select your presentation as you would normally.
If you connect the projector to the laptop and power up the projector first and then the laptop, the video data will automatically divert to the video port/projector .
On most Presario press the Fn key and the F4 key The function key will have a screen symbol printed on the key.
Hold down the FN button and as your doing that push the F8 key. That will force the laptop to use the output on your laptop so your video can be shown on a lcd monitor but it should also be able to be used on a projector. Make sure the settings on your projector are set properly as well.
To divert the video to the external video port automatically, connect the data projector to the video port and power up the data projector first and then the laptop.
If you had power up the laptop first then you can toggle the video between the LCD screen and the video port by pressing the Fn key and the press the F7 key.
Repeat this and you can toggle between LCD only, Data projector only or both on together.
If you connect the data projector to your laptop and power it up first then your laptop, the video will switch to the data projector automatically.
If you had powered up the laptop first then you can divert the video information to the external video port/data projector by holding the Fn key and then press F4 key.
You can toggle between the LCD screen, the data projector or both LCD and data project together using the Fn & F4 keys.
On most laptops pressing the Fn key plus the F5 key (in your model laptop) several times will cause the video to switch to different options
In the various laptops I've used with data projectors it is the same.
If you plug in the data projector and power it up then the laptop then the Windows image will be on the data projector (provided the laptop's screen resolution matches the data projector).
To toggle between the data projector only, the LCD screen, then LCD screen plus data projector, and or back through this sequence, just press the Fn key and the F5 key to get the displays you want .
The video output will automatically switch to the data projector first when you power up the data projector first and then boot up the laptop.
When you power up the laptop first you can toggle the Windows image between the LCD screen and the video port/data projector by pressing the Fn key plus the F4 key. Pressing these keys each time will switch the display from LCD screen to video port only, to both LCD screen and video port, and back to LCD screen only.