Lenovo ThinkCentre AIO E73 User Guide
![Lenovo ThinkCentre AIO E73 Computer manual cover](/images/nDOEdyebIMGGrlthcgoMgOLx/thumbs/thumb175x175.webp)
To perform a factory reset on your Lenovo ThinkCentre AIO E73, restart the computer and press F11 repeatedly at the Lenovo logo. Follow the on-screen instructions to enter the recovery environment and select the option to restore to factory settings.
First, check the power cord and ensure it's securely connected to both the computer and the power outlet. Try a different outlet, and if possible, test with a different power cord. If the issue persists, consider contacting Lenovo support.
To upgrade the RAM, first power off and unplug the computer. Remove the back cover by unscrewing the screws. Locate the RAM slots and carefully insert the new RAM module into an available slot, ensuring it is securely seated. Replace the cover and power the computer back on.
Check the brightness settings and ensure the display isn't set to a very low level. Verify that the computer is not in sleep mode by pressing the power button. If the issue persists, connect an external monitor to test if the problem is with the display or the integrated system.
Click on the network icon in the system tray, select the desired wireless network from the list, and click 'Connect'. Enter the network password if prompted and confirm the connection.
Turn off and unplug the computer. Use a soft, lint-free cloth slightly dampened with water to clean the screen and the outer surfaces. Avoid using any harsh chemicals or abrasive materials. Ensure the computer is completely dry before plugging it back in.
Check the volume settings and ensure that the sound is not muted. Right-click the sound icon in the taskbar, select 'Playback devices', and ensure the correct device is set as default. Update the audio drivers from the Lenovo support website if necessary.
Visit the Lenovo support website and download the latest BIOS update for your model. Follow the instructions provided with the update to install it. Ensure your computer is plugged in during the update process to avoid any interruptions.
First, try connecting the USB device to a different port. Check Device Manager for any driver issues indicated by a yellow exclamation mark. If found, update or reinstall the USB drivers. Restart the computer and test the ports again.
Perform a disk cleanup to remove unnecessary files. Check for any background programs consuming resources using Task Manager and close them if not needed. Consider upgrading the RAM or switching to an SSD for better performance.