Lenovo ThinkCentre AIO E93 Hardware Maintenance Manual

To connect your Lenovo ThinkCentre AIO E93 to a wireless network, click on the network icon in the taskbar, select your Wi-Fi network from the list, and enter the password when prompted.
First, check if the audio is muted or set to a low volume. Verify the audio drivers are up-to-date in Device Manager. If the problem persists, try using a different audio output device or run the Windows Troubleshooter for audio.
To upgrade the RAM, power off the system and unplug all cables. Open the back panel, locate the RAM slots, remove the existing module if necessary, and insert the new RAM module. Ensure it clicks into place before closing the panel.
Check the power cable connections and ensure the outlet is working. Try a different power cord if available. If the issue persists, reset the power supply by unplugging the computer and holding the power button for 10 seconds.
To perform a factory reset, go to Settings > Update & Security > Recovery. Under 'Reset this PC', click 'Get started' and choose 'Remove everything' for a full factory reset. Follow the on-screen instructions to complete the process.
Use a microfiber cloth slightly dampened with water or a screen cleaner. Gently wipe the screen in a circular motion to avoid streaks. Avoid using paper towels, as they can scratch the screen.
Visit the Lenovo Support website, download the latest BIOS update for your model, and follow the included instructions. Ensure the computer is connected to a reliable power source during the update.
Run a virus scan to check for malware. Consider upgrading the RAM or switching to an SSD for better performance. Also, clean up unnecessary files using Disk Cleanup and disable startup programs to improve boot time.
Connect the external monitor to the HDMI or DisplayPort on your ThinkCentre. Press Windows + P to open the projection menu and select the desired display mode (e.g., Extend, Duplicate).
Keep the computer in a well-ventilated area to prevent overheating. Regularly clean the vents and fans to avoid dust buildup. Install updates and run antivirus software regularly to maintain optimal performance.