how to defragment disc

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

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

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

In order to test network workers, no way can only learn Linux, the day before yesterday in Vmware7 installed Redhat hint that the CD can not be mounted, also thought is a disc error, n a disk, and installed a lot of times, finally observed, changed the disk after the point to determine, inside the prompt that the disc can not be mounted, there is no read CD. Depressed ...Later found that after the CD-ROM (o

To give you illustrator software users to detailed analysis to share the color mixing function of the production of color disc effect map Tutorial. Tutorial Sharing: One, gorgeous effect The gorgeous disc has a good effect, making it not complicated. Let's start now! Using the line tool, [shift]+ the mouse to draw a straight line.] W

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

Viva ConfettiTime limit:MS Memory Limit:0KB 64bit IO Format:%lld %llu SubmitStatusPracticeuvalive 2572Appoint Description:System Crawler (2015-04-19)DescriptionDo you know confetti? They is small discs of colored paper, and people throw them around during parties or festivals. Since people throw lots of confetti, they may end-up stacked one on another, so there could be hidden ones underneath.A handful of various sized confetti has been dropped on a table. Given their positions and sizes, can

N discs fall in order to find the area of the final contour. The primary disk is opposed! Let's unite! Drive away the primary disk! Cough. Today I went to the topic solution and the white book to solve a very difficult question ...... First, we work backwards to process the disc falling behind each disc and its coverage interval. Then we can find a range and calculate the visible arc length of the

Experiment: Accessing disc data Experimental objectives Familiar with Linux CD installationAccessing the disc's data Experimental steps [Email protected] ~]# Umount/dev/cdrom[Email protected] ~]# ls/media/[[Email protected]~]#Two Manual mount1. Specify the disc installation location[[Email protected]~]# mount/dev/cdrom/media/Mount:block Device/dev/cdrom is write-protected, m

Experiment: Accessing disc data Experimental objectives Familiar with Linux CD installationAccessing the disc's data Experimental steps [Email protected] ~]# Umount/dev/cdrom[Email protected] ~]# ls/media/[[Email protected]~]#Two Manual mount1. Specify the disc installation location[[Email protected]~]# mount/dev/cdrom/media/Mount:block Device/dev/cdrom is write-protected, m

1, Transmission belt aging caused by the CD-ROM 　　When such a failure occurs, the optical drive generally shows that the door is not fluent in and out, the disc does not rotate. All you need to do is open the outer box of the optical drive and the fault is clear. The reason is because of the transmission belt aging caused the warehouse door in and out of weakness and not fully entered, so that the bald head and spindle motor are not fully up to the p

Now the internet has a lot of computer enthusiasts to make the operating system or backup like the system, for the vast number of users have their own loyalty to the system, but for some collectors of system enthusiasts often ask a question "How to burn the system disk?" For the convenience of these enthusiasts, make a special tutorial for using Nero 9.0 burn to everyone. 　　First we have to prepare 2 things: First: Nero 9.0 Green Mobile version (supports Chinese long file name burning, can burn

WIN8 Create a system repair disc as follows: 1, in the traditional desktop interface, press WIN+C, click "Settings" to enter the control Panel. 2, adjust the view mode for "Small icon", click to restore. 3, first click the Advanced Tool button--create a recovery drive. 4, the following is the introduction of the Recovery Drive feature, click Next. 5, the default need to creat