我有一个 USB（SanDisk 的 Ultra Fit），里面安装了 Ubuntu。它一直运行良好，直到突然无缘无故关机。之后，我的电脑 BIOS 无法识别我的 USB。插入损坏的 USB 时，Windows 和 Linux 都几乎没有反应。lsusb并且fdisk没有列出 USB，dmesg看起来像这样。
[ 109.633643] usb 1-1.1: reset high-speed USB device number 5 using ehci-pci
[ 114.738034] usb 1-1.1: device descriptor read/64, error -110
[ 130.354518] usb 1-1.1: device descriptor read/64, error -110
[ 130.542526] usb 1-1.1: reset high-speed USB device number 5 using ehci-pci
[ 130.634561] usb 1-1.1: device descriptor read/64, error -71
[ 130.834550] usb 1-1.1: device descriptor read/64, error -71
[ 131.026476] usb 1-1.1: reset high-speed USB device number 5 using ehci-pci
[ 131.450568] usb 1-1.1: device not accepting address 5, error -71
[ 131.530519] usb 1-1.1: reset high-speed USB device number 5 using ehci-pci
[ 131.954506] usb 1-1.1: device not accepting address 5, error -71
[ 131.956086] usb 1-1.1: USB disconnect, device number 5
[ 131.956809] scsi 4:0:0:0: rejecting I/O to offline device
[ 131.956814] scsi 4:0:0:0: killing request
[ 131.958538] sdg: detected capacity change from 250450280448 to 0
[ 132.078530] usb 1-1.1: new high-speed USB device number 6 using ehci-pci
[ 132.170541] usb 1-1.1: device descriptor read/64, error -71
[ 132.370575] usb 1-1.1: device descriptor read/64, error -71
[ 132.558608] usb 1-1.1: new high-speed USB device number 7 using ehci-pci
[ 132.650571] usb 1-1.1: device descriptor read/64, error -71
[ 132.850501] usb 1-1.1: device descriptor read/64, error -71
[ 132.958700] usb 1-1-port1: attempt power cycle
[ 133.562577] usb 1-1.1: new high-speed USB device number 8 using ehci-pci
[ 133.982537] usb 1-1.1: device not accepting address 8, error -71
[ 134.066760] usb 1-1.1: new high-speed USB device number 9 using ehci-pci
[ 134.494561] usb 1-1.1: device not accepting address 9, error -71
[ 134.494875] usb 1-1-port1: unable to enumerate USB device
如果可能的话，我想完全恢复我的 USB。如果不可能的话，我想擦除我的 USB 并重新安装 Ubuntu，但这也无法做到，因为 GParted 等程序无法识别 USB。
对于这两个请求中的任何一项帮助都将不胜感激。
先感谢您。