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Cant make external monitor run from laptop top projector or LCD via VGA or Component in

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  • dcomputerman May 11, 2010

    Need more info. Hooking an external monitor up to a laptop? There's a function key to enable the external video port. Problem with the projector not displaying anything no matter the source? That'd be a bad sign.

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The function key to toggle your external monitor may have the face of a monitor printed on it. If the color of the printed monitor is not the same as the majority of the printed characters on your key board, it is most likely used in combination with the Ctrl key or maybe a proprietary "Func" (function?) key. If you don't have a function key to toggle the external monitor on/off, or if it does not respond, check your system's bios to ensure the external monitor function is enabled.

Posted on Oct 31, 2008

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How do I use my hdmi to vga converter on my envy 15


You can switch to an external monitor or data projector by two methods. 1. Connect the external monitor to the laptop's video port, power up the external monitor first and the laptop. The video information will automatically switch to the external monitor. 2. If you power up the laptop first then you can switch the video output to the external monitor by pressing the Fn key and one of the Function keys, depending upon your make and model laptop. You can also toggle between the external monitor or both LCD screen plus the external monitor or back to LCD screen only by pressing the Fn key plus one of the function key a few times. Here is a list of key combinations for some of the laptops :- IBM ThinkPad = Fn + F7 HP and Compaq = Fn + F4 Toshiba = Fn + F5 ASUS and Dell = Fn + F8

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My samsung q320 will not detect my projector


Connecting an External Monitor or Data Projector
You can switch to an external monitor or data projector by two methods. 1. Connect the external monitor to the laptop's video port, power up the external monitor first and the laptop. The video information will automatically switch to the external monitor. 2. If you power up the laptop first then you can switch the video output to the external monitor by pressing the Fn key and one of the Function keys, depending upon your make and model laptop. You can also toggle between the external monitor or both LCD screen plus the external monitor or back to LCD screen only by pressing the Fn key plus one of the function key a few times. Here is a list of key combinations for some of the laptops :- IBM ThinkPad = Fn + F7 HP and Compaq = Fn + F4 Toshiba = Fn + F5 Dell = Fn + F8

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I connected this projector to a toshiba laptop and it keeps saying searching for signal. The toshiba laptop is in the M500 series and is running with Windows 7. I tried the same projector on a older...


Rebootthe laptop whilst connected to the projector, with the projector power on. This works 99% of the time. You may need to manually enable your external VGA output. Cycle through available options by locating the "Fn" key, in the bottom left of the keyboard and pressing the key in the top row which has a monitor icon (or words such as LCD/crt) in the same colour.

Hold the Fn key down and pressthe top row key. Wait for 5 seconds and see what happens. Then try it again. You should find that the local screen goes blank and the external one is activated. Keep pressing til you get both screens on.

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what are your options on the projector side?
Your Mac comes with a DVI (Digital Visual Interface) port.
Attach the DVI to VGA adapter to the VGA connector of the external monitor.

depending on the external monitor/projector, you may need different adapters.

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1 Answer

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Get an VGA cable and connect your external monitor to your laptop via a VGA port that is usually used for digital projectors. In this VGA port, you can initiate dual monitors.

Then look at your keyboard and look an icon in your function keys (F1 to F12) that looks like a pair of an LCD and a TV like this {LCD icon/ TV icon}. In most laptop keyboards, this is located in F4.

When found, and with the external monitor hooked to the laptop via VGA port using a VGA cable, press and hold down the FN key and press the function key where the icons described above is located. Example, FN + F4 to toggle a single and a dual monitor.

Give it a try.

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1 Answer

I cant get signal from my computer


Many computers don't automatically turn on the external VGA connector when you hook up the cable to another monitor. One of the function keys (often F5, but not always) will turn on the connector. Usually the key has a symbol on it that looks like a monitor screen. When you press that key it will turn the external VGA connector on or off. On some computers the sequence goes laptop screen on and external monitor off, laptop off and external on, both on. Once you have the external connector turned on your projector will work properly.

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1 Answer

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Fn + F8 will toggle the VGA port on the back if the System, Press a 2nd time, External and LCD, press again, LCD only again. (Wait about 15 to 20 seconds for the external port to initialize after pressing Fn+F8 as it has to detect the projector)

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From user manual (page 68):
Your computer comes with a built-in display panel, but you can also
connect an external display device to an available video port, as
follows:
❖ An external monitor or projector via the RGB (monitor) port
❖ A TV, VCR, or DVD recorder via the S-video (TV-out) port
Before connecting an external monitor or video projector, configure
your computer for the type of device you are connecting. To do this,
refer to the documentation for your operating system and devices

So you have to use an RGB cable or a S-video cable : your cable should be plugged into 15 pin VGA port in your PC and plug it into a correspondent port in your TV.
Try also S- video and select correponding input in your TV set (Both connection type DO NOT carry sound: use your audio connector from PC to TV audio input.)
Configure your extended screen using your manual instruction:
Once you have connected an external display device, you can
choose to use the internal display only, the external device only, or
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settings is to use the display hot key (Fn + F5):
1 Press Fn and F5 simultaneously.
2 While holding down Fn, press F5 repeatedly until the setting
you want takes effect. Briefly pause each time you press the F5
key to allow time for the display to change.
This hot key cycles through the settings in the following order:
❖ Built-in display only
❖ Built-in display and external monitor simultaneously
❖ External monitor only
❖ Built-in display and TV
❖ TV only

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1 Answer

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If you want to use your TV as an external monitor, you have to connect them via VGA (top) or DVI (bottom) cable.
Which connections does your Philips monitor have?

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Have you tried booting into "Enable VGA" mode via the "Windows Advance Option" screen? By press F8 before Windows XP loading screen comes up. In this mode the Video Card drivers are disabled. So if your screen appears normal and not white in this Mode then it is your video card drivers which are causing the issue.

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