The mobile hard disk computer can t read it, and the master enters? 255

It has nothing to do with this situation. You can use it directly or leave it alone.

As soon as you format the disk and then create a new partition, it should be fine.

Just fix it with software.

If the mobile hard drive computer can't read it, it may be because the data of your mobile hard drive is corrupted, so in this case, you should back up or restore your data first.

If the mobile hard disk computer can't read it, then it may be because your mobile hard disk has been damaged, so you should back up the data first.

If the portable hard drive can't be read, it may be your hard disk enclosure, your notebook is not suitable, and the heavy culture can only be considered elsewhere and then choose.

What is the partition table of such a large portable hard drive? And then what operating system are you? There is a newer USB flash drive boot tool, you can enter win10pe to test it.

Maybe you want to format this portable hard drive. You try to format it with discgeniud. If it doesn't work in formatting, it may be scrapped.

Why can't I read the portable hard drive on some computers? The data stored in the hard drive may have been corrupted or attacked by a virus, making it unreadable. A poor power connection or a damaged power cord of the hard drive can cause the hard drive to not work properly.

Hard drive failure or corruption may result in data becoming unreadable. For example, the read/write head of the drive may be corrupted, or the physical parts of the drive may be corrupted.

If you have important data stored in your hard drive, don't format it lightly. You can try to use a professional data recovery software to recover your data.

The specific steps are as follows:

Please note that the location of the software installation and the location of the deleted files cannot be the same to avoid overwriting the lost files.

Step 1: First of all, you need to open the data recovery software and select the recovery mode.

Step 2: Next, select the object to be scanned, such as a USB flash drive, and click on the "Start Scan" button.

<>Step 4: Finally, click on the "Recover" option and open the file when it is successful.

If the hard disk is seriously damaged, it can also be handed over to a professional person for opening and repairing the disk.

Replug the SATA cable in the chassis. Generally, 97% of failures can be solved. If possible, take out the hard disk and put it in the hard disk box to see if the data can be read normally.

Add another 1% here. If the hard disk data can be read normally, then change the data cable. If you change the data cable, it may be the motherboard interface, try it with another interface.

Of course, if the hard disk data can't be read, congratulations, you can change the hard disk.

The portable hard drive is plugged into the computer and cannot be read.