Why can't the computer read the hard drive?

The reasons why the computer cannot read the hard disk: 1. There is a problem with the hard disk motor; 2. There is a problem with the hard disk head; 3. There are bad sectors in the hard disk; 4. There is a problem with the firmware; 5. The hard disk head is offset.

#The operating environment of this article: windows10 system, thinkpad t480 computer.

Cause analysis and solutions:

1. The hard disk does not respond after powering on

When the power is turned on and the laptop is started, it is found that the hard disk does not respond in any way. In the BIOS The hard drive cannot be found. If this happens, it's mostly caused by a problem with the hard drive motor. At this time, you should find professional maintenance personnel for repairs.

2. The hard disk makes a "clicking" sound

When the laptop hard disk makes a "clicking" sound or other abnormal sounds, it means there is a problem with the magnetic head. At this time, you should shut down the laptop immediately and take the laptop to a professional repair location for repair. Otherwise, your precious data will be lost forever.

3. Unable to access data and unable to copy data

After entering the operating system, you can see the data in the hard disk, but you cannot access the data, and you cannot copy and paste the data. When this happens, it can basically be determined that there are bad sectors on the hard disk, or there may be a problem with the hard disk firmware. You can use bad sector checking software to test whether the hard drive has bad sectors.

4. The hard disk is running normally, but the BIOS cannot detect it

After starting the laptop, the hard disk cannot be detected in the BIOS, but the hard disk can run normally. This situation is basically caused by a firmware problem, or it may be a loss of hard disk initialization information. If the above situation occurs, the data is basically irreparable.

5. Hard drive misidentification

When using a laptop, it is found that the laptop hard drive detected in the BIOS is different from the actual hard drive. This situation is caused by the offset of the hard disk head, or there may be a problem with the hard disk firmware, causing the hard disk to be misidentified.

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