usb thumb drive not recognized

I do not know what the situation is today (I suspect that the kernel version is upgraded). The computer cannot identify the USB flash disk, and all the USB flash drives do not respond (not a problem with the USB flash disk) My system Ubuntu 12.04, kernel version 3.2.0-60-generic-pae Neither fdisk-L/dev/SD * nor lsusb can see the

How do I format a USB flash drive? Some people say it's not easy? Right-click the USB drive letter, and then "format" not on the line, indeed, the operation on win is a very simple thing, but let you operate on the Mac, then you may only be dumbfounded, why? Because, you can also right-click, it will not appear the "fo

Mount-t vfat/dev/sda1/mnt/usb to your/mnt/usb Directory: cd/mnt/usb, you can read and write data like using other Windows partitions. When uninstalling umount/mnt/usb, sometimes, the system prompts that the device is busy. Solution: I. umout mobile hard drive www.2cto.com st

Linux general technology-Linux programming and kernel information-about how to port the kernel to a USB flash drive. For more information, see the following. When porting the kernel, compile the grub. conf file in grub. Most of them are written in this way. Root (hdX, n) Kernel/boot/vmlinuz-2.6.18-1.2798.fc6 ro root = LABEL =/1 rhgb quiet Initrd/boot/initrd-2.6.18-1.2798.fc6.img I want to say that the h

the U disk! To format a disk: (1) Enter the command prompt you open. (2) input x (where x represents the volume label of your U disk): Enter (3) in X:cmd (4) According to the prompts to enter 1. DiskPart 2. Select disk 1 3. Clean 4. Create partition primary 5. Select partition 1 6. Active 7. Format Fs=fat32 8. Assign 9. Exit But note that the above commands are supposed to be recognized as disk Disk 1! Complete the steps above to copy

Want to quickly open the program on the USB flash drive, below teach you a trick. Open Notepad and edit the following: Start "" Tool Network FoxmailFoxmail.EXE " Save to the root of the USB drive, the file name is "email. bat" and the Save type is "All files (*. *)". This allows you to run the Foxmail program direct

There is a USB mobile optical drive in your hand, which is always normal. One day, a problem occurs only once after the device is started up. That is, it is inserted for the first time after the boot, which can be recognized normally. unplugging and insertion will make it unrecognizable.In the Device Manager, you can see that the device is marked with a yellow qu

In different BIOS for USB drive (USB-HDD mode), the capacity parameters of the same USB flash drive---cylinder, head and number of sectors (CHS), identification is different (prove this can install the same version of Linux on various machines, and then insert a

Phenomenon: "Write protection for the volume is removed from the drive DEVICEHARDDISK1DR5 because the floppy disk is write-protected and cannot be written to the floppy disk." cannot be formatted, and write protection is also displayed. Problem Analysis: If you do not write a U disk protection switch, and inserted to different computers are write protection, can not be formatted, and tried the following practice to mention the method is