A user has reported that Nvidia rejected the warranty claim for an RTX 5090 Founders Edition graphics card because the printed serial number had become unreadable. The card was bought directly from Nvidia for £1,799. It started having black screen problems when running under heavy loads. After sending the card to Nvidia for an RMA and waiting more than 30 days, the company refused the warranty claim because it could not identify the code printed on the graphics card. The user says they provided the official invoice, original packaging and proof of purchase showing the matching serial number. Despite this,