Lenovo IdeaPad Yoga C940-15IRH User Guide
![Lenovo IdeaPad Yoga C940-15IRH Laptop manual cover](/images/riWCSoQbfHNNEIPenUtvQpHW/thumbs/thumb175x175.webp)
To reset your Lenovo IdeaPad Yoga C940-15IRH to factory settings, go to 'Settings' > 'Update & Security' > 'Recovery'. Under 'Reset this PC', click 'Get started' and choose 'Restore factory settings'. Follow the on-screen instructions to complete the process.
If the touchscreen is not responding, try restarting the laptop. If the issue persists, update the touchscreen driver via 'Device Manager' > 'Human Interface Devices'. Right-click on 'HID-compliant touch screen' and select 'Update driver'.
To improve battery life, reduce screen brightness, disable unnecessary background apps, and use 'Battery saver' mode. Regularly update your system and drivers, and avoid extreme temperatures.
Use a microfiber cloth slightly dampened with water or screen cleaner. Gently wipe the screen in circular motions. Avoid using paper towels, abrasive pads, or strong chemical cleaners.
To enable the backlit keyboard, press the 'Fn' key along with the spacebar. This toggles between different brightness levels.
Ensure the laptop is charged. Perform a hard reset by pressing and holding the power button for 10 seconds. If it still doesn't turn on, check the power adapter and outlet.
Use an HDMI or USB-C to HDMI adapter to connect your laptop to an external monitor. Go to 'Display settings' to adjust display preferences.
The RAM on the Lenovo Yoga C940-15IRH is soldered and not user-upgradable. Consider contacting Lenovo support for further guidance on memory enhancements.
Ensure Wi-Fi is enabled. Restart your router and laptop. Update the Wi-Fi driver via 'Device Manager'. If issues persist, run the Windows Network Troubleshooter.
Regularly clean your device with a microfiber cloth, keep software updated, avoid blocking ventilation, and periodically check for system updates and driver installations.