It was just a matter of time, but the defective Nvidia mobile GPUs that keep coming to light in a growing number of laptops models have finally made the unfortunate leap to desktops. Hewlett-Packard (HP) is reporting that 38 different models in its Slimline Desktop PC line are potentially affected by possibly defective Nvidia-based GPUs. HP reports that the affected models “may not boot or may not display video,” and has implemented a “Limited Warranty Service Enhancement” that “provides for a motherboard replacement