2 -© 2021. All Rights Reserved.Aspire Desktop ComputerCovers: Tower modelsThis revision: November 2021Register your Acer productIf your new device runs on Windows OS, you may have had yourproduct registered automatically while you start up your device withWindows OS.Log in at www.acer.com/myproducts with the email address youregistered for Windows OS to review your product record. (Reset yourpassword if you do not know it.)If the record is not found, please follow the steps below to register.1. Ensure you are connected to the Internet.2. Go to www.acer.com/register-product.3. Sign in or sign up for an Acer ID.4. Enter S/N or SNID of your device to register it.ImportantThis manual contains proprietary information that is protected bycopyright laws. The information contained in this manual is subject tochange without notice. Some features described in this manual may notbe supported depending on the Operating System version. Imagesprovided herein are for reference only and may contain information orfeatures that do not apply to your computer. Acer Group shall not beliable for technical or editorial errors or omissions contained in thismanual.Model number: _________________________________Serial number: _________________________________Date of purchase: ______________________________Place of purchase: ______________________________The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo aretrademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United Statesand other countries.