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BenQ monitor stops displaying picture, but shows blue light indicating that it is on.

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Is the vga connections in correctly?
if the computer is new and it has a graphics card, then it will need to be plugged into the graphics card vga socket instead of the onboard vga socket.
it may also be a graphics card fault, try using another card, maybe borrowing one off a friend.

hope this helps.

kev

Posted on Oct 03, 2008

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No display but OS is booting & running as evident from sound.No display in external monitor also


Does the power on light show on either the OS monitor or the external monitor? If so, and no picture, it is likely to be the graphics card has failed. If in warranty return.

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I have an Acer laptop approx. 2 years old. I am trying to show a folder from My Pictures on a InFocus in 20 series. Projector is up and on computer source. When I start up the computer, the projector...


You need to enable the 2nd video output in the video card settings!

right click on desktop select properties and select the settings tab
34111b4.jpg

Select the monitor 2, click on extend my desktop to this monitor.

Then you can drag windows either out from your main monitor, to up, down, or the sides debends on where you set the 2nd display, you can also change the position of the 2nd screen by draging it around in the middle.

Aug 11, 2008 | InFocus Computers & Internet

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I have HCL Ezeebee desktop computer when we boot the system monitor, keyboard, mouse blink for a while and monitor (HCL) show 'no signal' message, and keyboard num lock led not display mouse i


No signal at the monitor indicates (if you know the monitor is working ok) a failure of the graphics chip or graphics card, The lack of indicator light on the num lock LED and the lack of power to the mouse would indicate that there is a major issue with the motherboard.
you can try using another monitor to confirm the problem lies with the graphics, and in the case of the keyboard and mouse, swap them for a usb version, if they work, the Ps2 ports are probably damaged.
I'd be thinking of replacing the motherboard

May 19, 2012 | Computers & Internet

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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 | Computers & Internet

1 Answer

The l226wtq goes black


Try shining a flashlight on the screen, or without the flashlight, try to see if you can distinguish anything on the screen at all, if you do, the backlight is dead, or the monitor has an internal most likely unfixable problem.

May 01, 2009 | Computers & Internet

1 Answer

Lenovo T61 laptopith DVI mini dock. Using standard DVI cable to connect to LG L1942T monitor using DVI. Cannot get signal to show on monitor. Shows default monitor in Device Manager.


You will need to switch it to the external display by using the keyboard function key There should be a key in the F Keys above the letter pad that has a picture of 2 monitors on it, the color of the monitor on the key is blue it coincides with the blue function key. Using the function and the monitor keys you should be able to toggle your display options.

I hope this helps,

Thanks for using FixYa,

Eric

Jan 20, 2009 | Computers & Internet

2 Answers

Monitor displays breifly then goes to blank screen


If tried the monitor on two other computers with the same result -- definitly your monitor is faulty. Take it to the repair shop. To make double sure, run your computer with another monitor. If everything is fine now; you can blame the monitor.

Dec 17, 2008 | Dell Dimension 4600 PC Desktop

1 Answer

I have a problem using the external screen on my acer 5315


I'm assuming you mean you get no picture on the external monitor.

Most laptops have a blue "function" key. some of the other keys have additional functions when this blue key is pressed as well; one of them is to change the display usage. Usually, this can be:
* Internal only
* external only
* internal & external showing same picture
* internal & external as extended desktop
Repeated pressing of the relevant key will cycle round the available display modes. Once you find the one you want, you may have to adjust Windows display options - right click on the desktop and click "properties" then go to the Settings tab.

Jul 21, 2008 | Computers & Internet

1 Answer

Monitor Problems


1. check the monitor on other PC if the problem is same that means the VGA cord or the Pins have gone faulty.

2. Just bend and cable and keep monitoring the display where it stablises to normal, and tie thw cacle at that point with something.

Apr 29, 2008 | Computers & Internet

1 Answer

No live picture on Benq digital projector


seems to me like your acer laptop's display is configured " extend my desktop to this monitor", that's why you can only see the desktop background. Go to your display properties and change it to clone display or uncheck the extend display option.

Mar 04, 2008 | Computers & Internet

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