This document explores essential aspects of computer systems architecture, focusing on troubleshooting and maintenance techniques for both hardware and software issues. It covers common problems encountered in computer systems, including display, mouse, hard drive, sound, and keyboard issues. The document also delves into software problems such as slow internet, window server issues, app command troubleshooting, network connectivity problems, and computer restarts. Additionally, it outlines a range of maintenance activities, including disk defragmentation, disk cleanup, data backups, virus scanning, and cleaning browsing data. The document provides step-by-step instructions and practical tips for resolving these issues and maintaining optimal computer performance.
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