cloning hard drive to external drive

　　The difference between SSD and ordinary hard drive 1. Solid State hard drive to start fast, no motor speed up the rotation process. 2. Solid state Drive without head, fast random read, read delay is very small. According to the relevant test: two computers in the same co

Today to help a friend to reload a notebook computer (ASUS x401a) operating system, is the Win7 back to WinXP, originally it, because of the emergence of ghost, feel that the system is a piece of cake, is going to end the fight in 30 minutes, so the rush to start. Start very smoothly, into the ghost, and then choose XP SP3. gho file, and then the original C disk to write the file cover, and then restart, everything seems to be in control ... Then the cup came. Copy the file to C after the rebo

Workaround: 1, start the WIN8 system into the desktop. Move the mouse to the lower left corner of the window icon, click the right mouse button, appear icon menu, select a command prompt (administrator); 2, open the Command Prompt window; 3. Follow the diagram steps to work offline on the physical hard disk system that needs to be attached to the virtual machine. Input DiskPart carriage return; Enter list disk to view mounted

More and more computers are equipped with dual hard disks. Generally, one of them is used as the system's primary disk, and the other is used as the storage disk. However, many users often hear that the hard disk is stopped and started. Why? In fact, this is the built-in hard drive automatic energy-saving function of W

The following methods are set up for master and slave drives in the BIOS: (1) In the BIOS Setup main interface, select the "Standard CMOS Features" option, press "Enter" button, enter the Setup interface. (2) To set the first hard disk as the primary disk, select the "User" option in the type (hard disk type) option in Primary Master and set mode (hard

How to restore the fedora9 hard drive system to a small hard drive-Linux general technology-Linux technology and application information, the following is a detailed description. The company has a GB hard disk installed with the fedora9 i686 system. now I want to restore thi

/F16CP-AFR/boot/GRUB/home/F16CP-AFR/boot/grub2/home/F16 Step 4: restart your computer. Step 5: (grub1 command) After entering grub, press C to enter the grub command line: Run the following command: ---------------------------------------------------------Root (hd0, 2)# We just saved vmlinuz, initrd. IMG to this partition (/dev/sda3,/home), so the root must be specified as hd0, 2Kernel/vmlinuz Linux repo = HD:/dev/sda2 :/# Note: "HD:" indicates the installation from the

Now that 18 ora 18 is available, its installation interface and installation process are greatly changed. The installation interface is mainly changed to the Metro UI, and there is no package selection list during the installation process. However, the hard disk installation process is similar to that of fedora17, and there is no change. For me, the main change of fedora18 is the change of input method settings, which is now integrated by the system.

Like old SCSI and SATA technologies, SAS supports hot-swappable disks, which is important for environments that maintain high availability requirements. And SAS is a complete two-way system, while SATA inherits the IDE's characteristics and is a system of half-two-way communication. Therefore, the SAS system throughput can be similar to the SATA system twice times. And few SATA drives can reach 7200RPMs, and many vendors are or are planning to provide 10000RPM and 15000 RPMs disks, which also me

The first step opens the Run dialog box and enters the command "regedit" to open the Registry program in turn, the second step opens "HKEY_CURRENT_USER" → "Software" → "Microsoft" → "Windows" → "CurrentVersion" → "Policies" → " Explorer, right click on the right to select "new" → "Binary value", the command is "NoDrives", its value is "0", and finally click "OK" button. The third step to restart the computer, you can solve the problem. When you insert a removable

case, very slow !!! Initrd/initrd. img Boot 2011-11-24 note: If your grub is grub2, the above four commands are unavailable and you need to use grub2-related commands, (In grub2, the number of the disk partition starts from 1, with/dev/sad1,/dev/sda2 ,... and so on, because of our vmlinuz, initrd. IMG and so on are stored in/dev/sda3, so msdos3 is used to specify the partition in grub2) Linux (hd0, msdos3)/vmlinuz Linux askmethod Initrd (hd0, msdos3)/initrd. img Boot After the installation s

In today's computer system, the performance of the hard drive has become the biggest bottleneck affecting the performance of the machine. In the WINDOWS7 system with high requirements for accessories, the hard disk naturally becomes the object that needs to be optimized, and by turning on the AHCI mode of the hard

　　What is a mixed hard drive: Many friends of computer enthusiasts regard a hybrid hard drive as a solid state drive mixed with a common mechanical hard drive. In fact, mixed

Advantage 1. Start fast, no motor acceleration rotation process. Advantage 2. Without the head, fast Random read, the reading delay is very small. According to the relevant test: two computers in the same configuration of the computer, the laptop with solid state drive from the boot to the desktop has taken a total of only 18 seconds, and the laptop with the traditional hard

Someone asked how to make the downloaded Mac OS X operating system into an installation disk based on a USB flash drive or a removable hard disk and install an Apple Computer operating system with a USB drive or removable hard drive. OK, send a tutorial on using a mobile

===========================2. before using the optical drive (1), mount: # mount/dev/cdrom/mnt/cdrom, then you can read the content of the CD in the/mnt/cdrom directory. (2) when you want to exit the CD, you must use the umout command, otherwise, the optical drive remains deadlocked: # umount/mnt/cdrom. Tip: mount: block device/dev/cdrom is write-protected, mounting read-only indicates that the optical

USB flash drive, mobile hard drive boot boot install linux system "Centos 6.4"USB flash drive, mobile hard drive boot to install Linux system "Centos 6.4" (Rhel basically the same)The case is that I installed 32 system, 64-bit whe

Failure phenomenon: Computer power-on for self-test, the "CDD Controller failure" error message, press F1 key, sometimes from a drive to boot, but do not recognize C drive, sometimes not from a drive boot. 52 Hardware analysis Processing: From the system prompts error message, it is hard

Many of my friends asked me what should I do if the optical drive on my computer is broken and I want to reinstall the system? Next I will introduce how to install the system from a hard disk. I. Preparations 1. Prepare an original xp sp3 system and extract the i386 package directly with WinRAR. You only need to extract the i386 package. If you are using a SATA ha