After my Dell 1450 was reinstalled with the system, the function keys on the keyboard to adjust the

Hello, you need to install the shortcut key management software quickset of the corresponding model

1. Open**.

2. Enter the 7-digit service code or 10-11-digit quick service** on your machine to locate your model;

Note: At present, most chip manufacturers are mainly developing 64-bit drivers. It is important that you use Internet Explorer and turn off your security software to ensure that the plug-in is installed and run smoothly.

You can refer to the following methods for details.

Try reinstalling the graphics driver.

1. The methods for adjusting the brightness of the computer screen are:

1) After clicking the left mouse in the gap of the desktop, press the Ctrl+X key to adjust the brightness;

2) Windows 7: Start - Control Panel, click System & Security, click Power Options, drag the scroll bar to adjust the screen brightness;

WindowsXP: Open My Computer--- find Control Panel--- select Hardware & Sound--- in the Power option, you can see to adjust the screen brightness.

3) Generally, you can also use the buttons on the monitor to adjust the brightness.

3. We can use the on-screen keyboard, according to the body method: point start, program, accessories, auxiliary tools, on-screen keyboard. Hold down the FN key on your keyboard and then use your mouse to tap the down arrow key on the on-screen keyboard.

The fn key is a unique auxiliary key on the notebook keyboard, the full name of fn in English is: function, Chinese meaning is.

Instead, it needs to be combined with F1-F12 and other keys to form a combination of shortcut keys to use, and the FN key combination function of various brands of notebooks.

Ask how to reload.

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I'm an adult.

I'll give you a link, you can follow the steps above to copy the link and then open it in the browser, pro. The steps are detailed.

Thank you for your question.

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You check if the BIOS version is a higher version, web link.

Dell G3 3579 brightness F11 F12 button invalid solution.

Press the fn button in the lower left corner without letting go, and then press f11 f12

The computer is caused by the lack of a driver for the human input device, or the driver is not installed.

Here's how to fix it:

1. Right-click on the computer and open Management. Find it in the Device Manager, Human Input Input Devices.

Second, then turn on the human input device and check if there is a driver with a question mark. If so, right-click to update the device driver. You can then return to the original state.

Dell's notebook is not very well understood, but it is estimated that it is not a problem with the driver.

You can look for some management software such as lighting or power management on the official website.

When looking for it on the official website, such management software can not be found in the XP system option, you have to find it in the pre-installed system when you buy a computer, and the pre-installed Vista is found in Vista, and Win7 is found in Win7.

Don't use the recovery disk again.,Restore back to the pre-installed system.,See if the light is broken.。。

Good luck to the landlord.

You may have installed it with some ghost version of the system, so it is recommended that you try to find the driver installation of the motherboard.

It's not bright, can it be used, if it can, it's fine.

There are some issues with the driver itself matching with your BIOS.