The keyboard lights are not on either. You must first rule out whether there is a problem with the keyboard. The default setting of the motherboard is that if there is a problem with the keyboard, it will stop in the self-test stage and wait for processing.
Depends on the specific prompt on the screen. Duoyang has detected a hardware error (the probability of a keyboard error is greater, or it may prompt you to press "F1" to continue. You can turn off the F1 alarm in the BIOS. Lose). Remove other hardware first, leaving only the power box, motherboard, CPU, fan, and memory. If the graphics card is independent, keep it as well.
The computer startup screen does not display, the keyboard light does not light up, and there is no beeping sound. There must be a problem with the computer hardware. It is best to use the replacement method to eliminate the problem. The judgment method: press the uppercase and lowercase switch key on the keyboard. . When the light comes on, it indicates a fault with the graphics card, monitor, or other hardware.
Or the monitor data cable is in poor contact, or the memory, graphics card, monitor or data cable is damaged. The mouse lights up because it is a USB mouse and lights up by default when power is turned on. The keyboard light does not light up because the power-on self-test has not been completed.
Keyboard and mouse, the power-on self-test will detect the mouse and keyboard. If a problem occurs, it will cause the self-test interface to be stuck. The solution is to unplug the keyboard and mouse and check whether it passes the self-test. If it passes the self-test, replace the mouse and keyboard. .
1. Click "Ease of Access Center" to enter the interface. There will be a voice prompt. If you do not hear the sound, please check whether the mute setting is set. , or the volume is too low.
2. The caps lock key is not pressed, and the keyboard is broken. Failure to press the Caps Lock key causes the indicator light for capital letters to turn off. A broken keyboard can also cause problems with the capital letter lights.
3. If the capital letter key has an indicator light, there may be several reasons why it does not light up. One is that the capital letter input mode is not switched to, and the second is that the capital letter input mode is switched to the capital letter mode, but the light does not light up. If it still doesn't light up, it's likely that the indicator light is damaged. You can consult the computer manufacturer.
4. Hello! The uppercase display light is off because the uppercase function is not turned on. You can try typing an English character to see if it is uppercase or lowercase. The specific opening method is as follows: Find the keys marked with words on the leftmost row of the keyboard. After pressing it, the uppercase indicator light in the upper right corner of the keyboard lights up, indicating that uppercase input is turned on.
5. The keyboard caps light is not on for some reason. Pressed and held on the keyboard; the keyboard is broken.
6.: A key is stuck, affecting the function of other keys. Check carefully to see if that key is stuck. 2: The connection between the keyboard and the host port is not good. Unplug it and check if the connection is not good, then plug it in again. 3: The keyboard is too dirty, please clean it. 4: Have you used any keyboard key mapping software? Do not use it after restoring it to the default keyboard settings.
If the keyboard can be used, you can hold down the shift key. That is, shift temporarily switches to uppercase letters.
Hello! The uppercase display light is off because the uppercase function is not turned on. You can try typing an English character to see if it is uppercase or lowercase. The specific opening method is as follows: Find the keys marked with words on the leftmost row of the keyboard. After pressing it, the uppercase indicator light in the upper right corner of the keyboard lights up, indicating that uppercase input is turned on.
If the capital letter key has an indicator light, there may be several reasons why it does not light up. One is that the capital letter input mode is not switched to, and the second is that the capital letter input mode is switched to, but the light is still off. If the indicator light is on, it is likely that the indicator light is damaged. You can consult the computer manufacturer.
Here it is shown as a HID keyboard device. Maybe yours is a Logitech keyboard. Right-click on the keyboard driver to uninstall. Confirm to uninstall the keyboard device driver. Restart the PC and let the Win10 system automatically update the keyboard driver.
The keyboard lights are not on. You must first rule out whether there is a problem with the keyboard. The default setting of the motherboard is that if there is a problem with the keyboard, it will stop in the self-test stage and wait for processing.
What’s the matter with the computer’s uppercase and lowercase indicator lights not lighting up? Some laptops have inherent design flaws and have no uppercase and lowercase indicator lights. When the CapsLock key is pressed, there is no light prompt, which brings endless trouble to users.
Hello! The uppercase display light is off because the uppercase function is not turned on. You can try typing an English character to see if it is uppercase or lowercase. The specific opening method is as follows: Find the keys marked with words on the leftmost row of the keyboard. After pressing it, the uppercase indicator light in the upper right corner of the keyboard lights up, indicating that uppercase input is turned on.
If the capital letter key has an indicator light, there may be several reasons why it does not light up. One is that the capital letter input mode is not switched to, and the second is that the capital letter input mode is switched to, but the light is still off. If the indicator light is on, it is likely that the indicator light is damaged. You can consult the computer manufacturer.
The caps light on the mac keyboard does not light up, mainly because of a circuit problem. The caps light does not light up due to a broken line. The Apple Wireless Keyboard (English: Apple Wireless Keyboard) is a wireless keyboard designed for Macintosh computers and compatible iOS devices.
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