There may be a problems with your computer hardware or with Windows itself which may cause a flash drive not detected an error. However, this is only the worst-case scenario. When users face problems with USB drive not showing up, most people believe that their drive is dead. There can be many reasons why Windows did not detect your flash drive. Part 1: Why Windows Won't Recognize USB Device? Extra Tips: How to Recover Data After Fixing a USB Flash Drive Not Working Error?.Part 2: How Do I Fix USB Flash Drive not Recognized?.It just has to be taken into account that the slowest bandwidth will be used, i.e.
USB 2.0 devices can be used with the USB 3.0 connection slots and vice versa. USB2.0 and USB3.0 are retroactively compatible standards, i.e. However, it has to be admitted that for copying data at this speed the computer has to be equipped with the HDD or SSD with the writing or reading speed equal to or above the reading or writing speed of the flash memory and close to the USB 3.0 index. Therefore USB2.0 flash memories that can write and read data above 30 MB/s can be considered as maximum high-speed within the limits of this connection.įor ensuring a higher operation speed the USB3.0 standard was introduced and this is currently available in new computers of average and expensive category and can ensure maximum ~4 Gigabit per second data transmission resulting in the data bandwidth of up to 400 Megabytes per second. USB2.0 technically maximum bandwidth speed is 480 Megabits that are transformed into Megabytes and are within the range of 40 Megabytes per second in the operation in the real world. The type of connection supported by the flash memory.
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