PM sent. But...
What does "not recognized anymore" mean? The only thing I can think that this means is that the PC no longer sees it. If so, does it work otherwise? If so, it is unlikely that the image will help. It is more likely to be a hardware problem, or issue with the USB ports or cables being use. Trying a factory reset is a good idea in this situation. But, unless the device isn't booting, or there are failures indicative of a failing SD card, the image is unlikely to help.
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