108 If Something Goes WrongDisplay problemsAfter a period of time, the battery will lose its ability to perform atmaximum capacity and will need to be replaced. This is normal forall batteries. To purchase a new battery, see your accessoriesinformation included with your device, or visit the Toshiba Web siteat accessories.toshiba.com. Refer to this site often to stay current onthe most recent software and hardware options for your device, andfor other product information.For more information on maintaining battery power, see “Chargingthe battery” on page 31.Display problemsHere are some typical display problems and their solutions:The screen does not look correct.You can change the display settings by touching the Settings ( )icon on the Home screen. For more information, see “Screensettings” on page 72.You can also choose a theme for your Homescreen background (Wallpaper).Small bright dots appear on your TFT display when you turnon your device.Small bright dots may appear on your screen display when youturn on your device. Your display contains an extremely largenumber of thin-film transistors (TFT) and is manufactured usinghigh-precision technology. Any small bright dots that may appearon your display are an intrinsic characteristic of the TFTmanufacturing technology. Over a period of time, and depending onthe usage of the device, the brightness of the screen will deteriorate.This is also an intrinsic characteristic of the screen technology.When the device is operated on battery power, the screen will dimand you may not be able to increase the brightness of the screenwhile on battery power.Sound system problemsThe sound settings can be configured to your desired userpreferences. For more information, see “Sound settings” onpage 71.No sound is coming from the device’s speakers.Adjust the volume control.If you are using external headphones or speakers, check that theyare securely connected to your device.