We have inspected your NES unit. We have tested and retested the unit for multiple days and hours. During our testing we have found slight issues with the cartridge and mechanisms to make contact. This delicate repair requires the disassembly of the console in addition we will realign, clean, and setting the cartridge slot to avoid future errors. In addition our technician noted that the unit internals also require cleaning and dust was found on the motherboard and system. The dust need to be thoroughly cleaned out or you run the risk of shorting a component on the board. The total cost for cartridge slot repairs, cleaning the unit, with in store pickup is $39.95. That includes a 90 day warranty on the repair. As an alternative we can simply return back your unit to you and the inspection and diagnostics fee is $26.95. Please make payment below to proceed.