The EFI stands for Extensible Firmware Interface System Partition, it is generally a partition in the data storage devices such as hard drives or an SSD that is used by a computer system that is related to the UEFI (Unified Extensible Firmware Interface).
The PC BIT is a big mystery for someone pc user on every OS The bits or bytes are size information, the bit is not a device, such as RAM, graphics card
The solution is simple when u have a small black dot on the desktop If a black, or even different colored dot on the desktop appears, you should clean the
The PC need a disk Each pc has a disk. This is of course not labeled as a "disk". On the PC: hard disks, floppy disks, USB flash drives, SD memory cards
