Lenovo S400z User Guide
![Lenovo S400z Computer manual cover](/images/MezAkqcChZTHAPWnvMDVdVdJ/thumbs/thumb175x175.webp)
To connect to a Wi-Fi network, click on the network icon in the taskbar, select your Wi-Fi network, and enter the password if prompted. Ensure that the Wi-Fi is enabled on your device.
First, ensure the power cable is securely connected. Try a different power outlet and check if the power indicator light is on. If it still doesn't power on, perform a hard reset by holding the power button for 10-15 seconds.
Visit the Lenovo Support website, enter your device model, and download the latest drivers. Alternatively, use Lenovo Vantage to automatically update drivers.
Check your display settings and ensure the refresh rate is set correctly. Update your graphics drivers and ensure all cables are securely connected. If the issue persists, it could be a hardware problem requiring professional assistance.
Go to Settings > Update & Security > Recovery. Under "Reset this PC," click "Get started" and choose whether to keep your files or remove everything. Follow the on-screen instructions to complete the process.
Check for unnecessary startup programs and disable them. Ensure your system is not overheating and has adequate ventilation. Run a virus scan and consider upgrading the RAM if performance issues persist.
You can increase storage by using an external hard drive or upgrading the internal hard drive. Ensure compatibility with your system and follow manufacturer instructions for installation.
Check Device Manager for any USB-related errors and update USB drivers if needed. Try different USB devices to rule out faulty peripherals. Restart the computer and check BIOS settings to ensure USB ports are enabled.
Reduce screen brightness and close unnecessary applications. Use battery saver mode and update all drivers. Calibrate the battery periodically to maintain its health.
Ensure the vents are clean and free from dust. Place the computer on a hard, flat surface to improve airflow. If overheating persists, consider using a cooling pad or consult a professional for a thorough cleaning.