An iPod can store a vast collection of songs.
iPods are a popular innovation of modern technology and make it possible to have an entire collection of music or DVDs on a portable device that fits in your pocket. However, there are a few kinks in the hardware and having an iPod touch screen that is broken or unresponsive can be frustrating.
Flickering screen
On some iPods, the screen may flicker when watching videos. Turning off the auto-brightness will reduce the flicker or may eliminate this annoying effect altogether.
Low Battery
Some iPods have a defective screen that is unable to display dark colors. This is known as the "negative black effect." Although this problem may occur even if the battery is fully charged, a low battery can contribute to the problem, so it is worth ensuring that the iPod is fully charged.
Temporary Solution
Putting a little pressure on the back and bottom right corners of the iPod Touch can often correct flickering or other screen display problems, if only for a short time. This is not a permanent solution but may be used until the problem can be addressed by the repair shop or the device is replaced by the manufacturer.
Hard Reset
Failing all other methods, the iPod Touch can be reset by holding the "Standby" and "Home" buttons for about 10 seconds. As this will erase all data on the device, you should connect the iPod to a computer and back up your data before doing this.
Problem Acknolwedged
Apple, the manufacturer of the iPod Touch, has admitted that a hardware problem exists in some models. Apple blamed a lapse in quality control and the misapplication of the reflective coating on the iPod's LCD display. As of October 2010, software updates released by Apple have not resolved the problem.
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