We have inspected your PS4 system. There are problems with the mechanism, gear timing, and spindle motor assembly in the Blu Ray drive. In addition our technician found a lot of dust on the motherboard and also in the fans. This needs to be thoroughly cleaned out or you run the risk of shorting a component on the board. The total cost for repairing the Blu Ray DVD-ROM assembly, resetting to the proper alignment, cleaning the unit and in store pickup is $112.95. That includes a 90 day warranty on the Blu Ray DVD-ROM Drive. As an alternative, we can return back your unit to you. The cost for inspection and diagnostics is $26.95. Please make payment below to proceed.