Toshiba Satellite A135-S4407 User Guide 3 - Page 46

46 Getting Started Using the computer for the first time Small bright dots may appear on your screen display when you turn on your computer. Your display contains an extremely large number of thin-film transistors (TFT) and is manufactured using highprecision technology. Any small bright dots that may appear on your display are an intrinsic characteristic of the TFT manufacturing technology. Over a period of time, and depending on the usage of the computer, the brightness of the screen will deteriorate. This is also an intrinsic characteristic of the screen technology. When the computer is operated on battery power, the screen will dim and you may not be able to increase the brightness of the screen while on battery power. Your computer's features and specifications Certain notebook chassis are designed to accommodate all possible configurations for an entire product Series. Your select model may not have all the features and specifications corresponding to all of the icons or switches shown on the notebook chassis, unless you have selected all those features. This information applies to all the features and icons described in this guide. Below are examples of some of the many possible icons used on your computer: (Sample Illustration) System icons Turning on the power To turn on the computer: 1 Make sure any external devices (such as the AC adaptor, if you plan to use AC power rather than battery power) are properly connected and ready. 2 Check to ensure that all optical drives are empty.