Lenovo V510–14IKB User Guide

To extend the battery life, reduce screen brightness, use battery saver mode, disable unnecessary background applications, and keep the laptop's BIOS and drivers up to date.
First, ensure the laptop is charged. Try a power reset by removing the battery and AC adapter, then hold the power button for 30 seconds. Reconnect the battery and adapter and try turning it on again.
Visit the Lenovo Support website, download the latest BIOS update for the V510-14IKB, and follow the instructions provided. Ensure the laptop is plugged in during the update process.
Restart your router and laptop, ensure Wi-Fi is enabled, update network drivers, and run the Windows Network Troubleshooter.
Upgrade RAM, switch to an SSD, regularly clean up disk space, and ensure all drivers and Windows updates are current.
Regularly clean the keyboard and screen, check for system updates, perform disk cleanups, and scan for malware.
Go to Settings > Update & Security > Recovery, then select "Get started" under "Reset this PC" and choose the option to keep or remove your files.
Ensure the touchpad is enabled in the settings, update or reinstall the touchpad driver, and check for any physical damage or dirt.
Use an HDMI or VGA cable to connect the laptop to the monitor, then press Windows + P to select a display mode.
Ensure vents are not blocked, clean dust from the fans, use the laptop on a hard surface, and consider using a cooling pad.