Lenovo G40-30 User Guide
![Lenovo G40-30 Laptop manual cover](/images/REJQIBcQqsaeZtlwLzWJqnJl/thumbs/thumb175x175.webp)
To reset the BIOS password on your Lenovo G40-30, you need to remove the CMOS battery for a few minutes and then reinsert it. This will reset the BIOS settings, including the password. Ensure the laptop is powered off and unplugged before performing this action.
If your Lenovo G40-30 won't turn on, check the power adapter and ensure it's properly connected. Try a different power outlet. Remove the battery and hold the power button for 15 seconds to discharge static. Reinsert the battery and try turning it on again.
To improve performance, consider upgrading the RAM and replacing the HDD with an SSD. Also, regularly clean up unnecessary files, update drivers, and perform disk defragmentation if using an HDD.
Overheating may be due to dust accumulation or a malfunctioning fan. Clean the vents and fan using compressed air. Ensure the laptop is placed on a hard, flat surface to allow proper ventilation. Consider using a cooling pad if necessary.
To reinstall Windows, back up your data, create a bootable USB with the Windows installation media, and boot from it. Follow the on-screen instructions to install Windows, ensuring you select the correct partition for installation.
To enter the BIOS setup on a Lenovo G40-30, turn off the laptop, then press the Novo button (a small button next to the power button) and select 'BIOS Setup' from the Novo Button Menu.
This issue could be due to the power management settings. Access 'Power Options' in the Control Panel and adjust the settings for better performance on battery. Ensure the battery is healthy and consider replacing it if necessary.
To connect to a Wi-Fi network, click on the network icon in the system tray, select your desired Wi-Fi network from the list, and click 'Connect'. Enter the Wi-Fi password when prompted. Ensure your Wi-Fi driver is up to date.
First, ensure the touchpad is not disabled by checking the Function (Fn) key settings. Update or reinstall the touchpad driver from the Lenovo support website. If the issue persists, check for any physical damage to the touchpad.
To replace the battery, turn off the laptop and disconnect it from the power source. Slide the battery lock to the unlock position, remove the old battery, and insert the new one. Slide the lock back to secure the battery.