mhdd repair bad sectors tutorial
MHDD Repair Bad Sector Tutorial
Introduction:
The hard disk is one of the most important components of the computer, and bad sectors are one of the common problems in the hard disk. Bad sectors can cause hard disk read and write speeds to slow down, data to be lost, and even system crashes. MHDD is a powerful hard drive repair tool. This article will introduce how to use MHDD to repair bad sectors on the hard drive.
Step 1: Preparation
- Download the MHDD software:
Search and download the MHDD software on the Internet to ensure you get the latest version of the software. - Prepare a bootable U disk:
Format the U disk and install the software into the U disk so that it can be used as a boot disk.
Step 2: Set BIOS
- Turn on the computer and enter the BIOS setting page of the computer:
The BIOS setting method of each computer may be different, usually when booting Press the F2, F10 or Delete key to enter. - Set the startup sequence:
Set the U disk as the startup preference so that the computer can boot from the U disk.
Step 3: Start MHDD
- Insert the USB flash drive into the computer and restart:
Make sure the computer can boot from the USB flash drive. - Select the MHDD startup item:
Press the corresponding button during startup, select the MHDD startup item and press the Enter key.
Step 4: MHDD basic commands
- View the hard disk list:
After entering MHDD, enter the "scan" command, MHDD will display a list of all connected hard disks . Find the number of the target hard disk for subsequent use.
Step 5: Repair bad sectors
- Enter the target hard disk:
Enter the hard disk number and press the Enter key, MHDD will enter the command interface of the target hard disk. - Check bad sectors:
Enter the "mhdd" command, MHDD will start checking the bad sectors on the hard disk. This process may take some time, please be patient. - Repair bad sectors:
After the bad sectors check is completed, enter the "opp-reset" command and press the Enter key. Then enter the "remsize" command and press Enter again. MHDD will repair bad sectors on the hard drive.
Step 6: Complete the repair
- View the repair results:
Enter the "remsize" command, press the Enter key again, MHDD will display the repaired bad sectors quantity. - Exit MHDD:
Enter the "exit" command and press the Enter key to exit the MHDD interface. - Restart the computer:
After completing the repair, restart the computer and check whether the hard drive is working properly.
Note:
- The MHDD tool is powerful, but operation requires caution, so it is recommended to back up important data before use.
- This tutorial is only suitable for users with certain computer skills. It is not recommended for beginners to repair hard drives unless necessary.
- When using MHDD to repair bad sectors, you should strictly follow the instructions to avoid data loss caused by misoperation.
- If problems still occur after MHDD is repaired, it is recommended to seek professional help.
Conclusion:
MHDD is a powerful hard drive repair tool that can help us repair bad sectors on the hard drive. Through the tutorials in this article, we learned how to prepare work, set up BIOS, start MHDD, and use MHDD to repair bad sectors. Please be careful during use to avoid data loss. I hope this article will help you better understand and use MHDD to repair hard drive bad sectors.
The above is the detailed content of mhdd repair bad sectors tutorial. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



The DATETIME data type is used to store high-precision date and time information, ranging from 0001-01-01 00:00:00 to 9999-12-31 23:59:59.99999999, and the syntax is DATETIME(precision), where precision specifies the accuracy after the decimal point (0-7), and the default is 3. It supports sorting, calculation, and time zone conversion functions, but needs to be aware of potential issues when converting precision, range and time zones.

PostgreSQL The method to add columns is to use the ALTER TABLE command and consider the following details: Data type: Select the type that is suitable for the new column to store data, such as INT or VARCHAR. Default: Specify the default value of the new column through the DEFAULT keyword, avoiding the value of NULL. Constraints: Add NOT NULL, UNIQUE, or CHECK constraints as needed. Concurrent operations: Use transactions or other concurrency control mechanisms to handle lock conflicts when adding columns.

Navicat itself does not store the database password, and can only retrieve the encrypted password. Solution: 1. Check the password manager; 2. Check Navicat's "Remember Password" function; 3. Reset the database password; 4. Contact the database administrator.

Use the DELETE statement to delete data from the database and specify the deletion criteria through the WHERE clause. Example syntax: DELETE FROM table_name WHERE condition; Note: Back up data before performing a DELETE operation, verify statements in the test environment, use the LIMIT clause to limit the number of deleted rows, carefully check the WHERE clause to avoid misdeletion, and use indexes to optimize the deletion efficiency of large tables.

Recovering deleted rows directly from the database is usually impossible unless there is a backup or transaction rollback mechanism. Key point: Transaction rollback: Execute ROLLBACK before the transaction is committed to recover data. Backup: Regular backup of the database can be used to quickly restore data. Database snapshot: You can create a read-only copy of the database and restore the data after the data is deleted accidentally. Use DELETE statement with caution: Check the conditions carefully to avoid accidentally deleting data. Use the WHERE clause: explicitly specify the data to be deleted. Use the test environment: Test before performing a DELETE operation.

It is impossible to view PostgreSQL passwords directly from Navicat, because Navicat stores passwords encrypted for security reasons. To confirm the password, try to connect to the database; to modify the password, please use the graphical interface of psql or Navicat; for other purposes, you need to configure connection parameters in the code to avoid hard-coded passwords. To enhance security, it is recommended to use strong passwords, periodic modifications and enable multi-factor authentication.

How to clean all Redis data: Redis 2.8 and later: The FLUSHALL command deletes all key-value pairs. Redis 2.6 and earlier: Use the DEL command to delete keys one by one or use the Redis client to delete methods. Alternative: Restart the Redis service (use with caution), or use the Redis client (such as flushall() or flushdb()).

To create an Oracle database, the common method is to use the dbca graphical tool. The steps are as follows: 1. Use the dbca tool to set the dbName to specify the database name; 2. Set sysPassword and systemPassword to strong passwords; 3. Set characterSet and nationalCharacterSet to AL32UTF8; 4. Set memorySize and tablespaceSize to adjust according to actual needs; 5. Specify the logFile path. Advanced methods are created manually using SQL commands, but are more complex and prone to errors. Pay attention to password strength, character set selection, tablespace size and memory
