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In many cases, this situation occurs because of problems with the partition file structure, and if there is important data, it must not be messed with. Specific detection and analysis are required. Bad sectors, virus destruction is possible.
In this case, the problem is that if there is no data, the ** low grid program performs a low grid to see if it can be done correctly. If you can, repartition formatting is ready to go.
If there is important data, be sure not to manipulate it indiscriminately, it will destroy the data. It needs to be tested specifically and then recovered professionally. Don't do anything like formatting, repartitioning, etc. Don't use software to scan the recovery at will.
If you have any questions, click on my name to see my information qq
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In order to avoid the wrong operation of the data again, you can first read the article of my space. If you still need assistance, feel free to hi me or q me.
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Start-Run-Type cmd, then if your mobile drive letter is F on your computer, type F: Enter and then type attrib -s -r -a -h *sd and then wait for the run to finish and then resume, pay attention to the space of the command, good to add points, the above command is to restore all folders and subfolders under the current drive letter.
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Could it be a virus?
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Let's change the hard drive enclosure, thirty pieces.
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Do you open it in another computer, if you open it, you plug it into your own computer, whether the hard disk is recognized, and if you can't recognize it, try to change your mouth. There are two data cables plugged into the computer of the mobile hard disk, both of which are plugged into the computer, and if you recognize it and can't open it, it means that your computer is poisoned, you can right-click on the drive letter to open it, and you can't see the drive letter, you try, start -
My Computer - Right Click Management - Disk Management to take a look.
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The hard drive has been damaged, find a professional to repair it and retrieve the data, someone specializes in these.
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Portable hard drive cannot be opened prompts formatted data recovery.
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If there is a problem with the hard drive, you should ask the after-sales service of your hard drive.
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There may be a virus on the memory card or there may be a problem with the card reader.
In many cases, we can see the logo on the portable hard drive in the lower right corner of the desktop, but we can't see the drive letter in my computer, as shown in the image below.
At this time, we can right-click "My Computer", select "Manage", and select "Storage-> Disk Management" from the pop-up dialog box to find our mobile hard disk, and we will find that the mobile hard disk we just inserted appears in it, but there is no drive letter.
At this point, we just need to right-click on our portable hard drive, which is the one that does not have a drive letter assigned, and select "Change drive letter and path".
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Ask questions and then how.
A1(E disk example) right-click to ask the disk letter to enter the properties, switch to the "Tools" tab, and open the "Start Check" button: Second, check the two checkboxes in the check window to open the start button to start repair:
3. The second method, the shortcut key "win+r" is open and run, and the "cmd" is written to enter: 4. Use the dos command "chkdsk e: f" (E disk example) Enter to repair the problem disk
Because this error usually has to be corrected programmatically.
If you find it complicated, you can find a professional to solve it for you.
I didn't respond to my question, so what else should I do?
Answer plan 1: 1. Open this computer, right-click in the blank space, and select [View] - [Tiling] in turn, and we can see the total disk capacity and available capacity after the setting is completed.
Solution 2: 1. Open the computer, click the [View] button at the top, and then you can select any of "Details", "Tiling", and "Content" below to display the disk capacity.
Dear, if it doesn't work, you have to find a professional to repair it.
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Check whether the cable data cable is plugged in, try it on another computer, if it is still like this, it may be a hard disk problem. If it works on another computer, it is a driver problem, and the driver needs to be reinstalled.
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There is a problem with the data cable, either there is a problem with the hard disk interface, or it may be that the hard disk has a bad sector, but the first two may be the largest, I encountered such a problem a few days ago, and then I changed a data cable and interface to be fine, and it cost 55 yuan.
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If "my computer" appears, it can generally be used.
I also had this experience with my previous USB flash drive.,It's fine after formatting.,It feels like a virus.。。
Of course, it is impossible for your portable hard drive to be formatted, so you can right-click on the drive letter and use virus software to kill it.
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If you change a computer is not good, it is recommended to disassemble the mobile hard disk enclosure and connect it to the disk to try, or replace a mobile hard disk enclosure and data cable to try, if you rule out the problem of the mobile hard disk enclosure, it may be a disk failure, and it may be a bad sector failure, at this time you should stop continuing to power on the attempt, if the hard disk is still under warranty, go to the warranty, if the data is important, find 51recovery, if the warranty period is exceeded, and the data is not important, you can use MHDD to detect the bad sector, But to do it from the disk, operate under DOS, sweep out the red and green blocks, MHDD also comes with a repair function, but it is not recommended to save important data in this hard disk in the future.
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Do you know it's a portable hard drive and not a USB flash drive?
If it is a portable hard drive, then there may be a virus in it, when you open it, let the virus hijack it, resulting in no response, you can open this drive letter from Disk Management to try, or format it (the data will not be guaranteed).
If it is a USB flash drive, there may be the above reasons, or it may be that the information of the main control chip of the USB flash drive is lost, and it can be re-mass-produced.
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You first try to right-click on the RAW format disk - Properties - Security, delete the useless user, add your own username, and modify the permissions.
If you don't have a security option, you can open "My Computer" - Tools Menu - Folder Options and uncheck the box before "Use Simple File Sharing", you can right-click on the NTFS format disk and see the security option displayed in the properties menu.
If the above method still does not work.
First, go to "Control Panel" - open "Management Tools", open "Local Security Policy" - "Security Options", and change "Guest Only" to "Classic" after "Network Access: Sharing and Security Mode for Local Accounts" in the right window.
Then open "My Computer", right-click on the D drive to delete the "Security" tab garbled, and then add a computer user.
Belch... You give it a try.
If it still doesn't work, I'll find another way to help you out.
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Go to My Computer Management - Disk Management Right-click on the drive letter to change the drive letter and path in the pop-up window and select Change Assign the following drive letter (you can assign the disk symbol in addition to the current one on your computer).
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There are many reasons why the mobile hard disk can see the drive letter but it can't be opened, the main reasons and solutions:
1. Problems with the data cable of the mobile hard disk.
Solution: Replace the data cable of the portable hard disk.
2. Caused by the format of the mobile hard disk.
Solution: Format the portable hard drive. Mobile Hard Drive Formatting Method:
1. Turn on my computer.
2. Right-click to move the hard disk.
3. Select Formatting.
4. Select Quick Format.
3. Caused by computer problems, such as computer operating systems.
Solution: Restore or reinstall the operating system of your computer.
Repair the system with the last correct configuration.
1. Restart your computer.
2. After the computer displays the hardware information, press the F8 key before entering the Windows interface.
3. In the options menu that appears, select: Last correct configuration.
4. After selection, press enter, and the computer will automatically enter the system.
5. After entering the system, the computer has been restored to the last correct configuration.
4. Physical damage to the mobile hard disk.
Solution: Replace the external hard disk with a new one.
Mobile hard disk is the hard disk of a laptop, mainly used for storage, etc., plugged into the computer for a long time, due to the closure of the hard disk enclosure, it will lead to overheating and affect the service life.
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