[flag|grammar errors] [flag|incorrect text] == BlackBerry Curve Won't Turn On == ''No matter what you do, you can't get your BlackBerry to turn on.'' === Drained/Bad Battery === If your phone won’t turn on and it has not been used recently, the problem may be a drained battery. Plug your phone into your computer or AC adapter and see if anything happens. The phone should start charging the battery. If the phone no longer charges the battery, you will have to [guide|7883|replace the battery]. === Bad LCD Screen === It is possible that the LCD Screen is bad if the phone sounds like it’s working. If this is the case then you will have to [guide|7886|replace the LCD Screen]. === Bad Motherboard === If none of the above solutions fix the phone and the power button does not turn it on, you must [guide|7887|replace the motherboard]. == The Trackball Does Not Work Well or At All == ''The trackball does not work the way it used to.'' === Blow it Out with Canned Air === Before opening the phone, try blowing underneath the trackball with compressed air. === Take the Trackball Out to Clean or Replace === Follow these steps to remove the trackball. When removed, clean the trackball with electronic cleaner. If cleaning the trackball did not fix the problem, you will need to replace it. == The Keyboard Does Not Work Well or At All == ''Certain keys on the keyboard may not work.'' === Blow it Out With Canned Air === Try blowing the keyboard out with some canned air to see if there is anything stuck underneath. === Take the Keyboard Out and Clean === If the above solution does not work, then you must [guide|7884|remove the keyboard] and clean it. Replacement is necessary if cleaning does not work. == The LCD Screen Has Dead Pixels or is Malfunctioning == ''The LCD Screen has black spots (dead pixels) on the screen or is not responding.'' === Check and/or Replace the LCD Screen === If the LCD screen is dirty or damaged, it may need to be cleaned, have its connections checked, or be replaced. See our [guide|7886|LCD screen repair guide] for instructions. == The Handset Speaker Does Not Work == ''I can't hear the person on the other end of the phone through the handset speaker.'' === Make Sure the Speakerphone Is Off === Make sure the speakerphone is off in the device settings. === Replace the Screen Housing === If the above solution does not work, then you must [guide|7885|replace the screen housing]. The screen housing includes the handset speaker.