Yes, HP laptops come with a backlit keyboard that can be turned on and off. To turn on the backlight, simply press the F5 key. You can also adjust the brightness of the backlight by pressing the F9 or F10 keys.
To turn off the backlight, press the F5 key.
You can also press the Esc key to turn off the backlight.
HP laptop keyboard and mouse not working:
1. Check the power supply and make sure the laptop is plugged in.
2. Check the connection between the keyboard and the laptop.
3. Try restarting the laptop.
4. Check if there is any physical damage to the keyboard.
5. If all of the above fails, try using an external keyboard and mouse.
6. If all of the above fails, try using an external keyboard and mouse.”6 If all of these fail, you may need to replace your keyboard.
HP Laptop keyboard typing numbers instead of letters:
1. Check to make sure the “Num Lock” key is not turned on.
2. If the “Num Lock” key is turned on, try pressing the “Fn” + “Num Lock” keys simultaneously to turn it off.
3. If the problem persists, try restarting your laptop.
4. If the problem still persists, you may need to replace your keyboard.”4 If all of these fail, you may need to replace your keyboard.
Hp laptop keyboard typing wrong letters:
1. Check to make sure the “Caps Lock” key is not turned on.
2. If the “Caps Lock” key is turned on, try pressing the “Fn” + “Caps Lock” keys simultaneously to turn it off.
3. If the problem persists, try restarting your laptop.
4. If the problem still persists, you may need to replace your keyboard.”4 If all of these fail, you may need to replace your keyboard.

Can HP Laptop Keyboard eat Battery?
No, the HP laptop keyboard cannot eat battery. However, if you leave the backlight on, it will consume more power and shorten the battery life.
How to save HP Laptop Battery?
1. Use power saving mode:
This mode will reduce the brightness of the screen and disable some non-essential features to save power. To enable power saving mode, simply press the “Fn” + “Esc” keys.
2. Reduce the screen brightness:
You can adjust the screen brightness by pressing the “Fn” + “F11” or “Fn” + “F12” keys.
3. Disable the backlight: As mentioned before, the backlight will consume more power if it is left on. To disable the backlight, press the “Fn” + “F5” keys.
4. Turn off unnecessary features:
features such as Wi-Fi, Bluetooth, and optical drive can consume a lot of power. To save power, make sure to turn them off when not in use.
5. Use battery saver mode:
Battery saver mode is a feature that is available on most laptops. This mode will further reduce the screen brightness and disable some features to save even more power.
To enable battery saver mode, simply press the “Fn” + “Windows Logo Key” + “B” keys.
6. Unplug external devices:
External devices such as USB flash drives, mice, and keyboards can also consume power even when they are not in use. To save power, make sure to unplug them when they are not needed.
7. Close unused programs:
Programs that are running in the background can also consume power. To save power, close any programs that you are not using.
8. Put the laptop to sleep:
When you are not using the laptop, put it to sleep instead of leaving it on. Sleep mode uses less power than leaving the laptop on.
To put the laptop to sleep, simply press the “Fn” + “Windows Logo Key” + “B” keys.
9. Turn off the laptop:
When you are not going to use the laptop for a long period of time, it is best to turn it off. This will prevent any unnecessary power consumption.
To turn off the laptop, simply press the “Fn” + “Windows Logo Key” + “B” keys.
10. Use hibernation mode: Hibernation mode is a power saving mode that saves the current state of the laptop to a file and then powers off the laptop. When you want to use the laptop again, simply turn it on and it will resume from where it left off.
To enable hibernation mode, press the “Fn” + “Windows Logo Key” + “B” keys.
These are some tips to save power on your HP laptop. By following these tips, you can extend the battery life of your laptop.