disc defragmentation

how the Windows XP system restores disc data The method is as follows: 1, Badcopy is a professional data repair tool. It automatically fixes damaged or missing files on traditional storage media such as hard disks, CDs, and so on. First, we need to first install the Badcopy Pro V3.8 version, and then run the software to open the main window of the program. You need to select a media source in the Recover from task pane, which is to choose to recove

A CD burner is a data-writing device that uses lasers to write data to an empty disc to enable data storage. Its write process can be considered as the reverse process of the normal optical drive reading the disc. Now that technology is becoming more and more developed, few people use CDs to watch movies and burn files. The basic is to use the U disk to copy down the file, and so need to use the time insert

Although gradually Mac notebooks basically farewell to the built-in CD-ROM era, with the popularization of the network, the use of the opportunity to the CD-ROM is gradually less, but sometimes it will inevitably require optical drives, such as two of goods publishing house with the book CD ... We can use the USB external optical drive to extract the contents of the CD-ROM to the ISO file saved to the computer, so that it can be read at any time or re-burn to disc.The

When you burn a data disc under Windows XP, you copy the file you want to burn to a mirrored drive, and then burn it as a mirror. This process may seem complicated, but Windowx XP has done all the preparation for us, so just add the file you want to burn by adding it to the list on the disc by copying-pasting, dragging and dropping the file or selecting the file. Here are two examples to illustrate the spe

In the latest leaked Vista SP1, Microsoft added a new system function tool: Creating a system recovery disc. Create a system recovery Disc List of tools after the system is started using the CD First of all, please note: This is different from the restoration disc randomly provided by the OEM manufacturer. It is not a system installation or a complete system i

SATA Hard Disk There are many advantages, but the installation operation System Reality Trouble Not only do you have to seize the opportunity to press the "F6" key to load the stat driver Program , You also need to create a floppy disk with a driver. What's terrible is that if the new machine is not configured with a soft drive, it will be very eye-catching ...... To create a WINXP installation disc containing the SATA driver. You will find that

Win8 believe that a lot of friends have installed, in the WIN8 has a CD-ROM function, do not know whether you have used. If you really need to burn a disc now and not burn the disc, you may want to look at the small series to share the Win8 burning disc steps Select the file or folder to burn, with the cursor selected, select the "Share" tab in the menu bar, and

When using XP, an ISO image file is typically used for image burning with a third-party tool, but Win7 has its own disc image burning feature. First find an ISO image file, and if there is no associated third party software open, double-click the ISO file will eject the burner option. If the third party software is associated with ISO, right-click-> Open mode->windows the disc Image burner also opens the b

CD CD-ROM because the data can be erased at any time because it is not like a hard disk, we sometimes burn the important data back on the CD, with the help of the CD-ROM recording master's Burning data CD/DVD function, only a few simple steps, you can achieve the burning data CD/DVD. To open the disc burning master, click the "Burn Data Disc" option under "Burn Tool", as shown below. There are four

system maintenance disk, system repair Disk, has been a lot of people as a rescue system artifact. In the Win7 system, the creation of a system repair CD-ROM function, in the end how to use it? Here are some introductions. Win7 system repair CD, which allows you to not only start your computer, but also some system recovery tools on the disc, such as Startup Repair, System Restore, memory diagnostics, and so on. So how does the Win7 system use the sys

Installation diagram of Windows 2000 server disc startup I. preparations:1. Prepare the installation disc for Windows 2000 server Simplified Chinese version, and check whether the optical drive supports auto-start.2. if possible, use the disk scan program to scan all hard disks to check hard disk errors and fix them before running the installer. Otherwise, it will be troublesome to check hard disk errors du

the DVD drive. How do I play a DVD copy to a hard disk? Take PowerDVD as an example. After starting PowerDVD, click the "select Source File" button on the panel and select "Open DVD film on hard disk" (1) in the pop-up menu ), then, in the pop-up path selection dialog box, specify the folder of the copied DVD Video to play normally, which is no different from playing on the CD. Figure 1 playback of files on Hard Disk Ii. decrypt and copy again When using the direct copy method, we will find tha

Centos uses the dd command to create a USB flash drive wodim to burn the disc, centoswodimFormat the USB flash disk first: Use fdisk-l to view the USB flash disk to the mount point, for example,/dev/sdb1. Unmount the USB flash disk and run the format command mkfs. vfat/dev/sdb1. Then re-mount the USB flash drive to create the boot disk: # dd if=/ntfs/linux_all/sys/CentOS-7.0-1406-x86_64-DVD.iso of=/dev/sdb Note that/dev/sdb is not/dev/sdb1. the follo

I. preparations: 1. Prepare the Windows Me Simplified Chinese version of the installation disc, and check whether the optical drive supports auto-start.2. if possible, use the disk scan program to scan all hard disks to check hard disk errors and fix them before running the installer. Otherwise, it will be troublesome to check hard disk errors during the installation process.3. Record the product key (installation serial number) of the Installation F

Although the new system Win10 has canceled disc burning and CD playback features, but in the market dominance of the Win7 system and WIN8 system, the burning function is still there, in fact, in the market, there are still many industries need this function, then you know how to burn the disc? In fact, the steps are very simple, the following small series to introduce, how to burn the

One: Programming ideas1. Create a Startup diskInsert the boot disk you want to create, the program automatically detects the CD in the CD drive, and reads the serial number (unique) of the disc using WMI (Windows Management Schema: Windows Management Instrumentation) to write the sequence number to the registry.2. VerifyWhen the program executes, automatically detects the disc in the optical drive, obtains

Linux: Where to store the Yum Source:/etc/yum.repos.d/, the directory is full of some Yum sourcesFirst, the network of Yum Source:All of the following are Yum sources, and the suffix is ". Repo" is a legal yum source, the default is to start the Centos-base.repo this yum source (network Yum Source)[email protected] yum.repos.d]# ls-28-rw-r--r--. 1 root root 1664 Dec 9 centos-base.repo---network yum source -rw-r--r--. 1 root root 1309 Dec 9 Ce ntos-Cr.repo-rw-r--r--. 1 root root 649 Dec 9

Problem description: when installing RedHatLinux9 in VMware6.5, select the first iso file for installation until the installation prompts you to insert the second disc. Then select the first disc and return to the installation process and click OK, however, the system prompts "the disk cannot be mounted ". Solution: Modify the VMware6.5 installation configuration parameters. For example, select the Connecte

What to configure when VMware installs the Centos/rhel (configure the local disc yum source, modify the NIC name to Eth0, etc.)[Email protected] ~]# Setenforce 0[Email protected] ~]# sed-i ' s/selinux=enforcing/selinux=disabled/'/etc/selinux/config[Email protected] ~]# tar zcvf/root/redhat.repo.tgz/etc/yum.repos.d/*[Email protected] ~]# rm-rf/etc/yum.repos.d/*Below is the RHEL7 disc yum source configuration

Yum source defaults to using the network as the Yum source, in some special cases, such as teaching, laboratory, etc., not all environments can be networkedYou can use a disc to build a Yum source without using the networkWe know that the disc contains all the RPM packages, so it is possible to use the CD to build a local Yum source1. Mount the discMkdir/mnt/cdrommount/dev/sr0/mnt/cdrom/Or Mount/dev/cdrom/m