The present application discloses a display device and a driving method. The display device comprises: a power reset circuit and a source drive chip for driving a display panel to display. An input terminal of the power reset circuit is connected with a power signal output terminal, a control terminal of the power reset circuit is connected with a reset signal terminal, an output terminal of the power reset circuit is connected with a power signal input terminal of the source drive chip. The power reset circuit is used for resetting a power signal synchronously when receiving a reset signal, and inputting the reset power signal into the power signal input terminal of the source drive chip.