Lenovo ThinkCentre AIO E73z User Guide
![Lenovo ThinkCentre AIO E73z Computer manual cover](/images/yHMTngEIWVFPRWyuDBhSkTle/thumbs/thumb175x175.webp)
To reset your Lenovo ThinkCentre AIO E73z to factory settings, go to Settings > Update & Security > Recovery. Under 'Reset this PC', click 'Get started' and choose 'Remove everything'. Follow the on-screen instructions to complete the reset.
First, check the power cable connections and ensure the power outlet is working. Try a different power cable if available. If the problem persists, perform a power drain by unplugging the device, holding the power button for 30 seconds, and then reconnecting and turning it on.
To upgrade the RAM, power off the computer and unplug all cables. Remove the back cover by unscrewing the screws. Locate the RAM slots and insert the new RAM module(s) into the available slots. Reattach the back cover and reconnect all cables before powering on the device.
Turn off the computer and unplug it. Use a microfiber cloth slightly dampened with water or a screen cleaner to gently wipe the screen. Avoid using paper towels or abrasive materials as they can scratch the screen.
Ensure that the audio is not muted and the volume is turned up. Check the connections of any external speakers or headphones. Update the audio drivers via Device Manager. If the issue persists, run the Windows Troubleshooter by going to Settings > Update & Security > Troubleshoot > Additional troubleshooters, then select 'Playing Audio'.
Yes, you can connect dual monitors. Use the available HDMI or DisplayPort output to connect an external monitor. Ensure that the external monitor is powered on and set to the correct input source. Configure the display settings in Windows by going to Settings > System > Display.
Ensure that the vents are not blocked and the computer is in a well-ventilated area. Clean the vents and fans using compressed air to remove dust. Check for processor-intensive applications and close unnecessary programs. Consider using a cooling pad if overheating persists.
Visit the Lenovo Support website and download the latest BIOS update for the ThinkCentre AIO E73z. Follow the instructions provided in the update package. It is recommended to ensure that the computer is plugged into a power source during the update process.
Power off the computer and disconnect all cables. Remove the back cover by unscrewing the screws. Locate the hard drive bay and remove the screws holding the drive in place. Replace with the new hard drive and secure it with screws. Reattach the back cover and reconnect all cables.
Regularly update your operating system and drivers. Uninstall unnecessary programs and disable startup programs via Task Manager. Consider upgrading the RAM or replacing the hard drive with an SSD. Perform regular disk cleanups and defragmentation.