Com 226 comp trouble shooting II theory book



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com-226-computer-troubleshooting-ii-theory


Week12
This Week Learning Outcome
To Understand

Display System Failure

Display System failure Symptoms and Troubleshooting

Introduction
From their humble beginnings as basic monochrome text displays, the monitor (Fig. 27-1) has grown to provide real-time photo-realistic images of unprecedented quality and color. Monitors have allowed real-time video playback, stunning graphics, and information filled illustrations to replace the generic command line user interface of just a few years ago. In effect, monitors have become our virtual window into the modern computer. With many millions of computers now in service, the economical maintenance and repair of computer monitors represents a serious challenge to technicians and hobbyists alike. Fortunately, the basic principles and operations of a computer monitor have changed very little since the days of terminal displays This chapter explains the basic concepts behind today’s computer monitors, and provides a cross-section of troubleshooting procedures.


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