How do I turn off the screen in the cq42 and what key does the CQ42 press to turn off the laptop scr

I pressed win7 and these two are not good to make Hehe, your next Master Lu has entered the leave mode.

It's almost like turning off the screen.

FN+F8, you see what functions are available from F1-F12, as long as you hold down FN first, and then select a function to operate your computer.

Install the official mouse driver touch pad, and one of the functions is to turn off the mouse, that is, the touchpad.

Is there a small dot in the top left corner of the touchpad? If there is, it's a switch, and you can turn it off with two clicks.

The touchpad can be disabled in the Device Manager.

My Computer-Properties-Device Management-Mouse and Other Pointing Devices-(Select the end of pad)-Right-click Properties-Disable.

1.Updated graphics card drivers and shortcut key drivers; 2.After connecting the external monitor, you can press the fn and f4 at the same time to press the jujube digging back button, and press it several times to test (there are three possible modes, the external monitor is displayed on a single screen, the notebook is displayed on a single screen, and the notebook and the external monitor are displayed on a dual screen); 3.

If the projector has special requirements in terms of resolution, please refer to the relevant parameter settings. 4.If the hunger operation on the stool does not work, you can right-click on the blank space of the desktop to enter the graphics card control panel to adjust the dual-screen display.

Enquire further.

Win7 is not very stable,It is recommended that you install XP on it,The brightness will suddenly become the brightest and lose the transparency effect before the screen automatically turns off,It should be caused by win7 and your machine is incompatible,(such as graphics card, etc.),If you install XP, it should be able to solve。 If it doesn't work, there is something wrong with the graphics card, and it is recommended to find a repairer to replace the graphics card. Give it a try, I hope it helps!

Normally, if you set standby in the power options in the control panel, the screen should be black when it enters standby. It is recommended that you reinstall the graphics driver and see if that fixes the problem you are experiencing. Are you using the ghost version of the system?

Don't use the ghost version of the operating system, although the ghost version of the operating system is easy and quick to install, but it is easy to have system problems or drivers that cannot load normally, and your problem is likely to be caused by this problem. It is recommended that you look for the system installation disc of the regular pure installation version, set the optical drive boot boot, reinstall the system, and see if this problem can be solved.

Generally, the drivers are installed, and you just need to do it according to the following method.

First go to the Bridge Lease "Control Panel" Select "Mouse", after selecting the hardware, open Properties, and then.

Click on the driver again, and then go on a disc (the disc that the seller gave you when you bought the computer), and then select Update Driver, and then step by step, you will find a program, and it is time to eliminate the tape.

It's up to you.

If it doesn't work, you can go to the computer store and ask, and there will be no charge.

Go to the "Zen Control Panel" and select "Keyboard" or "Mouse", and you can find the relevant options in there. If there is no result, there is a lack of drivers, go to the official website of your Hobdan notebook** corresponding driver, and there will be it after installation.

Below the space bar, above the touchscreen that little rectangle is the switch, press it to turn white: on, turn yellow: off.

Drivers need to be installed before they can be turned off!

There is no touchpad switch in your model, and generally speaking, you can't touch it when typing.