Dell T3400 manual 131, 143

	Power Problems	123
	Printer Problems	124
	Scanner Problems	125
	Sound and Speaker Problems	125
	No sound from speakers	125
	No sound from headphones	126
	Video and Monitor Problems	126
	The screen is blank	127
	The screen is difficult to read	127
	3D image quality is poor	129
	Only part of the screen is readable	129
12	Reinstalling Software	131
	Drivers	131
	What Is a Driver?	131
	Identifying Drivers	131
	Reinstalling Drivers and Utilities	132
	Restoring Your Operating System	136
	Using Microsoft Windows System Restore . . . .	136
	Using Dell PC Restore and Dell Factory
	Image Restore	138
	Using the Operating System Media	141
13	Adding and Replacing Parts	143
	Before You Begin	143
	Recommended Tools	143
	Turning Off Your Computer	143
	Before Working Inside Your Computer	144

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