Notebook with VGA line connected with television projector screen solution

Notebook computer using the VGA cable external display process equipment such as liquid crystal display, high-definition TV,projector etc., and occasionally there will be some operational issues or the hardware is not compatible with other reasons will lead to the display device or laptop computer screen black screen. At present, Xiaobian collected a number of black screen appears some problems notebook using the VGA line connection in TV, solution is performed in hardware equipment in good condition, the solutions are for reference only.

A fast implementation, can through the shortcut keys to open the computer and projector and VGA line or HDMI line connected computer and projector (any display device), use the shortcut key for win7 to set the display mode of the device, "only the computer /Copy / extensions / only projector "and other four kinds of display mode. Move the mouse to choose display mode can be.

If you do not use the shortcut key setting display mode, you can set up through the shortcut menu desktop or control panel.

Win7 select "screen resolution" blank space on the desktop click the right mouse button, enter the display settings. The control panel is the start menu, click control panel -- -- -- the appearance of personalized adjust screen resolution. XP system click and select "properties" in the desktop space right can also enter the display properties panel. (here in the case of win7, the XP system modeled on the win7 setting method, both in the display settings. The property panel).

The mouse to click the "connected to the projector" or hold down the win key +P to select the display mode -- "only the computer,copy, expansion, only the projector", according to their own situation to choose suitable display mode, you can choose a mouse click directly, this laptop using VGA lines connected electrically connected steps depending on the machine and projector.

Notice: reproduction mode resolution for notebook and display equipment common resolution, such as 800 x 600, 1024 x 768 resolution.

Here are a few laptops in the use of VGA line is connected with the external equipment blackout to some typical cases, hope everybody can also increase the knowledge to solve their own problems.

With the VGA line is connected with the TV, notebook computer case 1 after how to set the display only on the TV screen?

Solution: the use of the win window button +P button, select "only projector" can be realized only shows on the TV screen.

In case 2, the notebook VGA connection line when the LCD TV plug AC black screen no image notebook computer is connected with a LCD TV with VGA line found that as long as the laptop use AC power TV will be black, not black battery notebook. With a desktop computerand not black.

Solution: a 60Hz/75Hz/85Hz/120Hz refresh frequency LCD TV found by querying the information online, the refresh frequency TV is normally 60Hz, some television will never be the same, but the notebook motherboard refresh frequency is fixed at 60Hz. If the TV frequency is 75Hz or 85Hz, TV will cause the frequency of different black and flash screen phenomenon of laptop. The output therefore need to adjust the notebook refresh rate, but in the display mode copy mode is unable to adjust the refresh frequency, and therefore to display mode is set to "only the projector", the TV as the display device, then the system will be adjusted automatically detect new frequency brush current tv.