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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 switch to external monitor


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.

Shut down the laptop. Plug the VGA monitor cable from the external monitor or projector into the blue VGA port on the back of the computer. Turn on the external monitor or projector first, and then the Lenovo laptop. Allow the notebook to boot into Windows normally. Press the "Fn" and "F7" keys at the same time to switch the display from the laptop to the external monitor or projector. Press the "Fn" and "F7" keys again to enable the display on both the laptop and the external display device. Press the "Fn" and "F7" keys again to display screen contents only on the laptop LCD. choose support you need http://www-307.ibm.com/pc/support/site.wss/MIGR-54305.html http://www-307.ibm.com/pc/support/site.wss/MIGR-4YQHUC.html enable tv out on thinkpad http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-58625

Feb 13, 2013 | IBM Lenovo 3000 N200 PC Desktop

1 Answer

I have a zx4800 touchscreen gateway and i want to conect it with the tv is it possible ?


You may be able to add a second monitor. You need a USB video adapter to get an external video port. There are no external video ports on the ZX4800 all-in-ones. Here is an example USB VGA adapter: http://www.newegg.com/Product/Product.aspx?Item=N82E16812225007 . DVI and HDMI versions also exist. These aren't the greatest solution so don't use them for gaming.

These will work if the TV has a compatible port. If your TV has VGA input, you are fine with this option. If your TV has HDMI inputs, you need to check the specifications. Some TVs have HDMI ports that do not interpret the signal from a computer. If your TV only has composite or component video inputs, you will need a converter from VGA (RGB) to the TVs input. (Component is YPbPr.) One option is http://www.ramelectronics.net/product.aspx?zpid=3294 . VGA to component video cables do not work; those are meant for projectors that understand the RGB encoding.

I hope this helps.

Cindy Wells

Dec 20, 2012 | Gateway GM5664 Desktop PC

1 Answer

I have a hp laptop. was on line and screen went black. and will not show again. it strats up sounds but black screen.what do i do


1) Do you have a VGA monitor that you can use for an external monitor?
{VGA monitor is also referred to as a CRT monitor. Looks like a small TV}

The back of the laptop, or side, has a VGA port. The VGA monitor is plugged into it.
{Laptop off}
Then the VGA monitor is turned on, and allowed to 'come to life'.

Now turn on the laptop. Press the Fn key down on the keyboard, and hold it down.
Now press the Monitor toggle over key.
Since you did not state the HP laptop Model Name, and Model Number, I can only give you generic guidance on this.

The monitor toggle over key has a monitor screen symbol on it. It will be one of the F keys.

(It's an External Monitor toggle key.
Press it one time and the display toggles over to an external monitor.
Press it again, and both the laptop LCD screen, and the external monitor have a display on them.
Press it once more, and the display goes back to the laptop's LCD screen )

If display shows up on the external monitor, you have a problem with the display of the laptop.

Primer:
An LCD screen cannot produce enough light by itself. It needs an additional light source.
A Backlight is used as an additional light source.

A Backlight is a CCFL.
Cold Cathode Fluorescent Lamp {Bulb}
Similar to the fluorescent lighting used in homes and businesses, but on a MUCH smaller scale.

{Average Backlight is 3 to 5 inches long, and half the diameter of a No.2 pencil.
The Backlight is located on one edge of the LCD screen}

An Inverter is used to provide power for the LCD screen, and the Backlight.

90 percent of the time the problem is the Inverter.

Inverters are relatively cheap, and if I knew the Model Name, and Model Number of your HP laptop, I could give you a link to HP Support where you could download the Service Manual for free.

This way you would have a manual to show, and detail how to replace the Inverter, and I could guide you.

I could also give links for your perusal for Inverters.

There is one more thing however.

HP Pavilion DV2000, DV6000, and DV9000 series laptops, have a graphics chip overheating problem.
The laptop comes on, the blue indicator LED lights light up, but the LCD screen is black.

This video explains why, shows a solution to fixing the problem, and details out a lot more than I am privileged to state here,

http://www.youtube.com/watch?v=bnkQNmKauEc

Have further questions regarding any of the above, please state in a Comment.
(Believe upper right of your page)

Regards,
joecoolvette

Dec 02, 2010 | PC Desktops

2 Answers

Connect projector to HP desktop


If you are attempting to connect an LCD projector to a laptop,you connect a monitor cable to your video card and the other end to the monitor input connector. You may have to use an adapter, I know on my LCD projector I had to use a DVI to VGA connector.
Can't say much more not knowing if you are having a problem with a particular brand of projector

Sep 21, 2009 | HP Pavilion a705w PC Desktop

1 Answer

SCREEN WONT TURN ON


Connect an external monitor (CRT or LCD) to the laptop's "VGA-out" port. Then, turn your laptop on. Does it show the usual "start-up" screen, on the external monitor? If so, then either your laptop's screen is totally-dead, or the "LCD-inverter" (a $20 part that takes $50 for a technician to replace) needs replacement.

Or, does your laptop have a key-sequence (LCD-screen-only, LCD-and-external, external-only) that needs to be used to select LCD-only mode?

Apr 23, 2009 | PC Desktops

1 Answer

Black screen


Depending on what kind of laptop you have, your button may look different. Look at the Function keys (all those keys up at the top that have F's in front of them) and see if there is another colored symbol on any of them. You should find a colored symbol that looks like a rectangular monitor.

Press another key toward the bottom of your keyboard that probably says "Fn" or some other kind of "Function" key - not Alt, Ctrl, or Shift. Hold that Fn key down while you press the first key you found that looks like a monitor. That will change your laptop video output mode between several different modes like: laptop LCD panel only; LCD panel and external monitor; and external monitor only.

The purpose of this is if you wanted to plug another monitor into the back of your laptop, or a projector for a meeting or presentation, etc.

Apr 16, 2009 | PC Desktops

1 Answer

My laptop turns on but i get nothing on the screen


Depending on what kind of laptop you have, your button may look different. Look at the Function keys (all those keys up at the top that have F's in front of them) and see if there is another colored symbol on any of them. You should find a colored symbol that looks like a rectangular monitor.

Press another key toward the bottom of your keyboard that probably says "Fn" or some other kind of "Function" key - not Alt, Ctrl, or Shift. Hold that Fn key down while you press the first key you found that looks like a monitor. That will change your laptop video output mode between several different modes like: laptop LCD panel only; LCD panel and external monitor; and external monitor only.

The purpose of this is if you wanted to plug another monitor into the back of your laptop, or a projector for a meeting or presentation, etc.

Apr 16, 2009 | PC Desktops

1 Answer

Laptop 2 lcd


You just take the VGA cable that are work in the monitor and connect it between the laptop and LCD.
If the LCD have a DVI output then you need to take VGA to DVI cable.
After the connection press Function(Fn)+F7 to start connecting.....

Jan 03, 2009 | PC Desktops

2 Answers

I have a Gateway mx3422 notebook. I cannot get the display to clone when I hook it up to a projector. The notebook screen goes black and the display shows on the projection screen.


hi!!!

there is a setting in your desktop
try go into control panel
then click on display then go to
settings and the
advance try locate the dual monitor settings

Oct 31, 2008 | PC Desktops

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