USB 媒体文件系统问题

Question

最近未检测到我的USB，我试过了mount，fdisk，dd，gparted，mkfs.vfat

:~# tail -f /var/log/syslog
Oct 27 12:54:29 mohammad-Inspiron-N5110 kernel: [18843.105772] usb 3-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
Oct 27 12:54:29 mohammad-Inspiron-N5110 kernel: [18843.107485] scsi31 : usb-storage 3-2:1.0
Oct 27 12:54:29 mohammad-Inspiron-N5110 mtp-probe: checking bus 3, device 13: "/sys/devices/pci0000:00/0000:00:1c.4/0000:0b:00.0/usb3/3-2"
Oct 27 12:54:29 mohammad-Inspiron-N5110 mtp-probe: bus: 3, device: 13 was not an MTP device
Oct 27 12:54:30 mohammad-Inspiron-N5110 kernel: [18844.104912] scsi 31:0:0:0: Direct-Access     USBest   USB2FlashStorage 0.00 PQ: 0 ANSI: 2
Oct 27 12:54:30 mohammad-Inspiron-N5110 kernel: [18844.107132] sd 31:0:0:0: Attached scsi generic sg2 type 0
Oct 27 12:54:30 mohammad-Inspiron-N5110 kernel: [18844.108857] sd 31:0:0:0: [sdb] Attached SCSI removable disk

:~# mount /dev/sdb /mnt
mount: no medium found on /dev/sdb

:~# fdisk -l

Disk /dev/sda: 640.1 GB, 640135028736 bytes
255 heads, 63 sectors/track, 77825 cylinders, total 1250263728 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00051f45

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048   200000094    99999023+  83  Linux
/dev/sda2       200001534  1250263039   525130753    5  Extended
/dev/sda5       200001536  1250263039   525130752   83  Linux

:~# dd if=/dev/zero of=/dev/sdb bs=512 count=1
dd: opening ‘/dev/sdb’: No medium found

:~# gparted /dev/sdb
======================
libparted : 2.3
======================
Error opening /dev/sdb: No medium found

:~# lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 003 Device 002: ID 09da:000a A4 Tech Co., Ltd Optical Mouse Opto 510D
Bus 003 Device 013: ID 1307:0163 Transcend Information, Inc. 256MB/512MB/1GB Flash Drive

:~# mkfs.vfat /dev/sdb
mkfs.vfat 3.0.14 (23 Jan 2023)
/dev/sdb: No medium found

testdisk 也返回：

:~# testdisk /dev/sdb
TestDisk 6.13, Data Recovery Utility, November 2011
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org

Unable to open file or device /dev/sdb

任何的想法？有什么建议吗？

Answer 1

我遇到了同样的问题，可以使用以下步骤修复我的 USB：

• 使用“ChipGenius”程序了解所用控制芯片的类型（需要Windows）
• 在 Google 中搜索可以恢复/修复/格式化我的 USB 并指定控制芯片的工具
• 现在已检测到美元磁盘，我可以对其进行格式化/分区！

有用的链接：

• http://usb-fix.blogspot.com.es/
• http://www.flashdrive-repair.com/2012/12/how-to-repair-usb-flash-drive-in- Three.html（我在修复我的USB磁盘后找到了这个链接）
• http://www.myusbtools.com/2013/06/chipgenius-v301-ultimate-master-of-usb.html