If your notebook is equipped with a backlit keyboard, press F5 or F4 (on some models) on the keyboard to turn the backlight on or off. You may have to press the fn key (function key) at the same time.
Turn the notebook on and press the “F5” or “F12” key (depending on your model). Locate the “Fn” key next to the Windows button on the bottom left side of your keyboard. Press the spacebar while holding down Fn to turn on the backlight. Press the light button if your notebook model has one.
If your Acer Aspire laptop keyboard suddenly stops working, rebooting your laptop may solve your problem. Or you can first turn off your laptop by holding down the power button for about 10-15 seconds, and then turn it back on. After restarting your laptop, try typing on the keyboard to see if it works.
Also, depending on your computer model, your computer may be set up to control the backlit keyboard with the F9 or F11 key rather than the F5 key. Perform the same simultaneous Fn F11 operation to turn on the keyboard backlight.
Is there a backlit keyboard in your notebook?
Not all notebooks have a backlit keyboard. To find out if your notebook has a backlit keyboard, check the support page on the developer’s website, or consult the user manual for your device. Search for your model and its parameters, and then check the specifications of your notebook. You can also determine the presence of such a feature visually, carefully examine the additional function keys on the device. These are usually marked with a different color on the F1-F12 key or the arrows. In most cases you will also need to hold down the Fn (Function) key to use additional hotkeys functions, if available.
Turn on your notebook and press the “F5” or “F12” key (depending on your model). Locate the “Fn” key next to the Windows key at the bottom left of the keyboard. Press the space bar while holding Fn to turn the backlight on. Press the key light button if your notebook model has one.
The most common combination on Acer laptops is FnF9. The first press turns on the backlight, the second press turns it off. The F9 button usually shows a keyboard, which just indicates that the feature is supported. If you don’t see the icon, chances are your notebook is not backlit.
Turn on your laptop and press the “F5” or “F12” key (depending on the model). Locate the “Fn” key next to the Windows key at the bottom left of the keyboard. Press the space bar while holding down Fn to turn on the backlight. Press the key light button if your notebook model has it.
The most common combination on Acer laptops is FnF9. The first press turns the backlight on, the second press turns it off. The F9 button usually has a picture of a keyboard, indicating that the function is supported.
How to illuminate the laptop keyboard in alternative ways?
Light the keyboard notebook (or computer) at night and can be using external devices, for example, with LEDs.
How to turn on/off the keyboard backlight on your Asus laptop
LEDs should be connected to the USB connectors, which notebooks are in several pieces. And it’s best to use at least a couple of LEDs on both sides of the keyboard, so that the lighting is optimal.
By the way, the LEDs do not need to be connected to different USB ports. It has been experimentally tested that one laptop USB port can connect up to 25 LEDs, so you still have a large reserve. True, you need to be able to create a parallel connection, and if you can not do this, then you will have to seek help from professionals.
Turn the notebook on and press the “F5” or “F12” key (depending on the model). Find the “Fn” key next to the Windows key at the bottom left of the keyboard. Press the space bar while holding Fn to turn on the backlight. Press the key light button if your notebook model has one.
If your laptop has a backlit keyboard, press the F5 or F4 (on some models) key on the keyboard to turn the backlight on or off. You may have to press the fn key (function key) at the same time.
The FN F9 keys are hotkeys to turn the keypad backlight on/off. If you turn it on, the backlight should turn on, and after about 30 seconds of non-use, the keyboard backlight will turn off. Pressing any key should turn the light back on.
You get a full-size keyboard with keys that have good travel and even a backlight (though it’s just on or off). As for ports, Acer has generously included a USB Type-C port, a full-size HDMI output, an SD card reader, Ethernet and three USB ports.
How to turn on the backlight
Unfortunately, Windows 10 doesn’t have built-in components for customizing button lighting. But some major manufacturers offer their own software to change the default button light settings. For example, Dell on Windows 10 offer settings to turn on the keyboard backlight, adjust the brightness, automatically turn off after 5, 10, 30, 60, 300 seconds of inactivity. To see all the settings, Dell users need to open the “Keyboard Properties” setting and then click on the “Backlight” tab.
Asus and Acer
Turning on the backlight on your Asus laptop is a couple of clicks. For starters:
When the light sensor is active, Asus button diodes will automatically turn the LED on/off according to your surroundings. Most Asus laptops use FnF4 (to turn on the backlight and increase its brightness) and FnF3 (to decrease the brightness and turn off the diodes completely) for manual adjustment. If Acer notebook keyboard illumination doesn’t work, use key combination FnF9, or the special keyboard backlight button on the left side.
Sony and Lenovo
Sony also offers options for standard keyboard brightness settings on some of its models. To see the settings, you need to open VAIO Control Center and then click on “Keyboard” and “Mouse”. “Keyboard backlight. Here you can configure the software to automatically turn the diodes on or off based on ambient light. Like Dell, Sony also offers the ability to automatically turn off the diodes after inactive keyboard operations. To disable the feature, uncheck the box next to the “Enable backlight in low-light conditions” button. Here you can also set the automatic mode and time interval. 10 sec, 30 sec, 1 min or “Do not turn off”. Lenovo does not open new horizons for diodes. Turning on the backlit keyboard on your Lenovo laptop is pretty easy. using the FnProbe key combination. That is, if you press FnProbe once, the driver will turn on the backlight at medium brightness. Pressing FnSpace will increase the brightness. One more press of the hotkey will turn off the keyboard backlight completely.
On the road at night or at a presentation in a dark room, it can be quite difficult to see the laptop keyboard. To avoid such mishaps, choose HP Pavilion models with a backlight under the keyboard that illuminates each key. The backlight symbol is usually displayed on the left side of the space bar. If this feature is turned on, you won’t have to turn on the light to type a letter or other text. Depending on the laptop model, the diodes can be activated in several ways:
- Turn the laptop on and press the “F5” or “F12” key (depending on the model).
- Locate the “Fn” key next to the Windows key at the bottom left of the keyboard. Press the space bar while holding down Fn to turn on the backlight.
- Press the Light button if your notebook has one. A special backlight button is marked with three dots in a horizontal line (found on the dv6-2022er, dv6-3250us, and other dv6 series laptops).
If none of the combinations work, check the entire row of function keys. The key you need may be in a different location. If still nothing happens, check the BIOS settings. Select BIOS Setup or the BIOS Setup Utility, then use the arrow keys to navigate to the System Setup tab. Make sure you turn on the Action Keys Mode (set it to Enabled) if it is disabled.
If the light is only on for a few seconds, you may need to set a timeout in the BIOS:
- Reboot your notebook and press F10 immediately until the BIOS opens.
- Then using the arrow keys go to the “Advanced” tab.
- Navigate to Built-in Device Options and press Enter.
- Select Backlight keyboard timeout here.
- Press the spacebar to open the settings and then select the delay.
If this is not set in your BIOS, it is very likely the feature is not supported. For more information, see your notebook’s manual or the manufacturer’s Web site for your model. To set the brightness (if your notebook supports this feature), press the function key two or three times in a row. If that doesn’t work, try pressing Fn key together with the function key.
MacBook and Microsoft
All recent MacBook models automatically adjust backlight brightness in low-light conditions using the built-in ambient light sensor. You can also set the brightness manually using the shortcut keys. The settings for automatically turning off the diodes after a certain period of inactivity are in the Boot Camp Control Panel. To open it, right-click the Boot Camp icon in your taskbar and select “Boot Camp Control Panel”. Microsoft Surface users can use AltF2 to increase keyboard brightness and AltF1 to decrease it. Other popular manufacturers, such as HP, Asus, and Toshiba, do not offer settings for adjusting keyboard brightness.