The Dell 5520 keyboard is out of order, but the external keyboard is good, how to solve it?

This is usually caused by the installation of some optimization or security software that disables the keyboard driver. The following methods are for your reference: Hello, it is recommended that you go to the official website provided for you below, and then enter the serial number behind your computer, and then ** jump out of the driver.

Hello, this is caused by the conflict between the online banking plug-in and the keyboard driver.

Here's how to do a factory reset

1. Before booting into the system, press F8 to enter the advanced boot options of Windows 7 and select "Repair Computer".

2. Select the keyboard input method.

3. If there is an administrator password, you need to enter it; If you don't have a password, just "OK".

4. Once you are in the System Recovery option, select "Dell DataSafe Restore and Emergency Backup".

6. Select "Restore My Computer" and click "Next".

7. After selecting the correct factory image, click "Next" to start restoring the system to the factory state. Note that the notebook needs to be connected to an adapter during the recovery process. When you're done, restart your computer.

Keyboard connection problems, driver problems.

Disassemble and clean up, try and try.

The keyboard is the most common computer input device, it is widely used in microcomputers and various terminal equipment, and the computer operator inputs various instructions and data to the computer through the keyboard, and directs the work of the computer. If the keyboard fails, everyone will be very troubled. In fact, you don't have to worry, there are tricks for keyboard failure.

You can do the following to check if it is a hardware or system issue.

1. When you turn on the computer, check whether you can enter the BIOS settings, the function keys will generally be displayed on the screen when you turn on the computer, pay attention to look carefully. Dell's both"f2"Key. There are also some brands that may be F8 or F10.

What to do if the Dell laptop keyboard fails There are tricks to keyboard failure.

Here are a few common brands of notebooks that have the function keys to enter the BIOS:

Press F1 for IBM cold boot, and some new models can start pressing F1 when restarting. Press F2 when HP starts and restarts. Press F2 when Sony starts and restarts.

Dell press F2 when booting and restarting. Press F2 when the acer starts and restarts. When Toshiba is cold starting, press ESC and then press F1.

Lenovo press F2 when starting and restarting.

2. If you can enter the BIOS settings, and the keyboard is good in the BIOS settings interface, then congratulations that there is no problem with the hardware. There are 2 actions to follow.

The first is to turn off the computer, unplug the power supply, remove the battery, and press the power button 4 to 5 times repeatedly to let the laptop release static electricity. Install it again in a few minutes. Turn it on again and see if the fault is eliminated.

If the previous method doesn't work, then you can try to reinstall the system, you can use a USB flash drive to back up the data you want, and your keyboard may be fine after booting with a USB flash drive.

3. If you can't enter the BIOS in 2, and the keyboard can't be used in the BIOS, it is likely that there is a hardware problem, or a short circuit, or it may be a damage to the circuit board caused by moisture or water, which needs professional maintenance.

For some novices, the newly bought laptop keyboard is naturally good to use. But after you use it for a short time, keyboard failure is a common cause. However, Dell is a common brand of notebook keyboards.

So are Dell laptop keyboards any good? How to fix the failure of the notebook keyboard? Let's take a look at it below!

1. Is the Dell notebook keyboard easy to use?

1. First of all, there is no doubt that Dell is one of our top ten notebook brands in China. So it is worth it, without a doubt, the quality of the keyboards manufactured in the same brand will not be inferior. However, because everyone buys a Dell keyboard with different features and functions, there is no accurate definition of its quality.

2. Then, according to the survey results, some netizens responded like this: After the Dell keyboard used at home is washed in water for two minutes, as long as it is dried with a hair dryer, it will return to its original appearance. From this, there is nothing to say about the quality of Dell keyboards.

But there are some differences in everyone's views and opinions.

3. Finally, whether it is a Dell notebook keyboard or another brand of keyboard, if you don't take good care of it, even if its quality is good, it will look like a mess, so no matter what brand of keyboard you use at home, everyone should take care of it carefully, so that the keyboard can give full play to its true skills!

2. How to fix the failure of the notebook keyboard?

1. The numeric keypad is out of order.

If the number keys on your laptop keyboard are out of order, you just have to press the fn+numlk key to switch between numeric input or alphabet input. Many people don't understand this trick and think that their laptop keyboard is broken, and a lot of time is delayed.

2. Some keys are out of order.

If your laptop keyboard is only partially unusable, then it is likely that there is something wrong with the circuit board inside. At this point, you just have to gradually snap off the keycaps that you don't use, but you can't break them. Then you look to see if the silicone cap inside has a traveling position, you just need to take a small screw and pull it out of position.

3. The keyboard driver causes the keyboard to malfunction.

If you need to infer that yours is caused by a drive failure. Then you just have to look for the drive in Device Management. Look for Start on the desktop, then press Control Panel Options, look for Keyboard Options, switch to the Hardware page, and finally switch to the Drivers page.

Conclusion of the article: The above has explained to you whether the Dell notebook keyboard is good to dismantle and use, and how to repair the notebook keyboard failure. It's just that a good keyboard not only needs to improve work efficiency, but also make us feel happy, in the end, the best of both worlds?

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In the Control Panel, update the driver in the keyboard's properties.

The specific steps to resolve the above issues are as follows:

1. First press the "Windows" button, and then click "Control Panel";

2. Select "Keyboard" in the pop-up window;

3. Then, click "Hardware" and then "Properties".

4. Next, select "Driver" in the new window, and then select "Update Driver";

What to do if your laptop keyboard fails.

There are generally two reasons for computer keyboard failure: one is a problem with the keyboard driver; The second is the damage to the keyboard.

Laptop keyboard failure, the solution is:

1. Through the method of updating the keyboard driver, to confirm whether it is a driver problem or a broken keyboard, the method is:

1. On the premise of networking, right-click the desktop My Computer (Computer) shortcut - Device Manager, as shown in the following figure:

2. Click Keyboard - Right-click Keyboard - Update Driver Software, as shown below

Second, if after updating the driver, still can't solve the problem, then the keyboard is broken, the keyboard is broken, according to the degree of keyboard breakage, if only a few keys are broken, you can use the keyboard key change software to replace the broken keys with the keys that are not commonly used. Method:

2. Open the Keymap Tool and click Add, as shown below

3. Click the drop-down button and select the broken button, as shown in the figure below

4. Find a replacement key that is not commonly used and click OK.

3. You can use an external keyboard.

Fourth, go to the maintenance point to change a keyboard.

That's because you accidentally turned on the keypad, so when you press the keypad key, the numbers will be displayed instead of the letters, the method is very simple, press the FN key + insert NMLK key (top right corner of the keyboard) and it will return to normal use.

If the keypad turns on automatically every time you turn it on, or if your keyboard doesn't have the fn key, here's how to fix it.

You need to change the registry, start—>run—>regedit.

Locate the key-value Hkey Current User ControlPanel Keyboard.

Double-click on the InitialKeyboardIndicators on the right and change its key value to 0.

If it still doesn't work, it is recommended to remove the keyboard and re-plug the keyboard cable to see how it is.

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How to deal with laptop keyboard failure:

1. Boot the button, enter the BIOS, and check the BAI here to see if the keyboard is out of order. It also fails, then the du is the keyboard is broken.

2. If the BIOS does not malfunction and the operating system is abnormal, it is a system problem, and you can check whether the driver has dropped.

3. The notebook interface is bad or there is a problem with the motherboard.

4. If the control IC chip fails, you need to go to the maintenance center to deal with it.

5. There is a problem with the computer system itself.

6. If the above methods cannot be solved, you need to go to the after-sales center for testing and replacement.