Mobile hard disk cannot access the solution Daquan

Mobile hard disk is good, want to check the information in the sudden display of the mobile hard drive is not accessible? What's the deal? Directly to the new, before the important data only lost, do not change the new how to repair the mobile hard disk?

This error occurs because of an error in the disk file directory (FAT,MFT) caused by various reasons. Mainly occurs on the USB flash drive, mobile hard disk and other mobile devices, where large capacity (160G or more) NTFS partition format of the external mobile hard disk is the most likely to occur most. There are many reasons for this, usually for the following reasons:
1) No normal plug-in/unplug the mobile device, the system does not complete the read and write operations, resulting in file directory information confusion and incomplete. For example, we copy a file to the mobile device, shut down the computer restart, select, open again when used or to use on another computer when the symptoms occur.
2) Selection of inferior products, including inferior power supply, motherboard, data cable, especially inferior external hard disk box. The product's power supply, the main control circuit is not stable, causes the disk to address the error, writes the information to be disordered.
3) The use of PQ, PM and other disk partition adjustment tool stops midway, resulting in incomplete file system structure.
4) virus destroys file system structure, hard disk hardware itself failure, power outage during operation.
If that's the reason, we can
First, press the win key +r at the same time, enter Msconfig, return, in the System Configuration dialog box, on the Services tab, tap or click to select the Hide All Microsoft services check box, and then tap or click Disable All. (If you enable the fingerprint recognition feature, do not close the service)
In the System Configuration dialog box, on the Startup tab, click Open Task Manager, and on the Startup tab of Task Manager, for each startup item, select the Startup item and click Disable. Then close the Task Manager.
In the System Configuration dialog box, on the Startup tab, click OK, and then restart the computer.
If the USB device is recognized after a clean boot, it is recommended that you turn on the item entry individually to find the software that caused the problem.
Second, update the USB drive
In some cases, USB controller driver if not installed will appear unrecognized USB device case, such as USB3.0 interface, if your computer is Mac, then need to update Bootcamp to the latest version, please check your USB device driver, and update.
You can also remove the USB Root hub from Device Manager before detecting updates.
Third, check the USB interface if there is a problem
Replace the USB interface test.
What if the above method does not solve the problem of inaccessible mobile hard disk?
Method One:
Insert your mobile hard drive and find the drive letter of your removable hard drive, assuming that your mobile drive is g disk, then please find "Run" in the Start menu

Input command: cmd

In the Command box that appears, enter CHKDSK I:/F, note that Chkdsk and I: a space between and/F, and/F is the command to repair errors on the disk. If you are I disk on Chkdsk G:/F, and so on.

If you encounter the volume being used, do not recheck the volume, point y Enter

When the checksum is complete, the recovered files and the size of the entire drive letter appear.

Method Two:
Remove the contents of the disk character first, right-click on the "My Computer" tab on the desktop, and select "Manage" in the "Computer Management" window.

Find the problematic disk, delete the strike letter, and turn it into an unassigned disk.
Click New, if your computer USB is USB2.0 and choose the Quick format, the format is soon completed, if you are not support USB2.0 older computer or not selected fast format, here to wait longer. After formatting and then moving the data back, OK.
Method Three:
Click on the wrong mobile hard drive, click on "Properties", click on the "Security" tab, see "Group and User name" in the "Everyone" group; if not, click "Edit" >> "Add", type "Everyone" below "Enter the object name to select" and click " Check the name. Click "OK" when "Everyone" appears in "Group and user Names".

Select "Everyone" in "combination or user name" (that is, turn blue), and under "Everyone's permissions", tick the box below "allow" on the right of "Full Control" and click "OK" and then "OK". Try double click to open the mobile hard drive, OK!

Method Four: Unformatted failure
Double-click the drive letter without formatting prompts, and then click Yes.

Items can be kept by default, click Start directly.
Wait patiently for a formatted dialog box to work.

Method Five: File or directory corruption
After you double-click the drive letter to prompt for file or directory corruption, click OK.

Click the Start menu, then enter cmd, right-click on the top of the alternate program icon, and select Run as Administrator.

Assuming that the drive letter is G:, then enter the command chkdsk g:/F after carriage return: And after the prompt "to continue", enter Y after the return, patience wait for the test to complete, you can continue to use the hard disk.

Method Six: Other unknown faults
Right-click on the hard disk partition, select Properties, click the Tools tab, and then click Start Check.

After selecting all two options, click Start.

Wait inside. After the check results appear, click Close.

The repairable partition error message is automatically repaired during the check.
Method Seven: Parameter error
Hard drive connected to the computer, open the drive letter, prompt "unreachable, parameter Error"

Download the Diskgenius software, you can see the hard disk information in the Diskgenius software .

You can see the file information in "file browsing" in Diskgenius.

It is now possible to confirm that the hard drive has a bad path and that the hard drive needs to be repaired. Open "Run"

Enter "CHKDSK H:/f/r" (H: is the drive letter of the hard disk. /R to find an incorrect sector and resume readable information/F fix errors on disk)

Then the repair interface appears, choose Y or N to fix it as you want.

Do not run other programs for long periods of time. After the repair will be able to display the drive letter, you can open the hard disk, see the information and data.
Ok! These are some ways to resolve a removable hard drive that cannot be accessed. Mobile hard disk can not be accessed, can not open the time is not necessarily the hard drive is bad, and sometimes repaired to repair the mobile drive to continue to use.

Mobile hard disk cannot access the solution Daquan