One of the most common questions we receive from PSP owners is, “What is PSP ghosting?” This is an annoying problem that affects the performance of some games on the PSP. The ghosting problem can be caused by any number of factors, and can be very frustrating for gamers. Fortunately, there are several solutions. First, you should check the display quality of your PSP. A poor screen will cause blocky pixels and appear as if the screen is blurry.