How to install the system when the computer is not turned on

Installation Steps: 1 After inserting the system disk in the CD-ROM drive, restart the computer. 2 When the computer is booted up, press the delete key, and it will automatically enter the BIOS setup program.

Press the upper and lower cursors to select, first enter the Advanced BIOS Features option, and enter it. Then press the up and down cursor and enter key to enter the first boot device, select cd-rom, and then press the esc key to exit. Finally, move the cursor to the penultimate one in the right rail (I forgot what the name is) and press Enter twice to save it.

The computer will restart 3 After starting the computer, the contents of the disc will appear, choose to install Windows XP, click with the mouse, and it will check by itself. After that it will tell you that to install Windows XP and delete the existing programs, press the L key (which key to press is not necessarily good), press L, and then ask you, where to install the system, select the C partition (remember, must C, do not install it on other disks), press Enter, and you will enter the installation copy file. After that, it restarts the computer again 4 and the disc contents appear, click"Boot your computer from your hard drive"and it will install the system on its own.

5 For the next installation, click OK if you are sure, take out the dish after installation, and then adjust the screen resolution.

1. Borrow or go to the computer monopoly, audio and video monopoly store to spend 4-5 yuan to buy Ghost XP (SP2 or SP3) system CD, use this kind of CD to install the system, in addition to the system files, but also integrate a large number of hardware drivers, set up the CD-ROM to start, put in the CD-ROM, delete all the files in the original C disk, do not make any changes to other partitions, about 15 minutes to complete the installation, it can run normally, generally will not lack any driver. Note: Before installation, move the files that need to be saved in the C drive to another partition. 2. Set up the CD-ROM drive to start the Award BIOS settings Reboot, press del to enter the BIOS, find the Advanced BIOS Features (advanced BIOS parameter settings) and press enter to enter the Advanced BIOS Features (advanced BIOS parameter settings) interface.

Find First Boot Device, turn the page with PGUP or PGDN to change HDD-O to CDROM (Optical Drive Boot), press ESC, press F10, press Y, press Enter, save and exit. AMI BIOS Settings Start the computer, press del to enter the main interface of the AMI BIOS setup program, use the arrow keys to find "Boot" in the upper menu to select, press Enter, use the arrow keys in the open interface to check "Boot Device Priority", press Enter, select "1st Boot Device", press Enter, enter the Options interface, use the arrow keys to select and set to "CD ***:3S-PH.".(Optical Drive Start)", so that it is reversed white, press Enter, in the "Options" dialog box, move the arrow key to the top, so that it is reversed, press Enter, press Esc, press F10, press Y, press Enter, save and exit.

The default notebook is the optical drive boot, and the ones that have been changed can be changed again. Start the computer, press F2 (Lenovo) to enter the main interface of the AMI BIOS setup program, find "Boot" in the upper menu, press Enter, set the CD-ROM Drive (CD-ROM Drive Boot) with the keyboard + and - keys at the top in the open interface, press F10, then press Y, press Enter, save and exit. Insert the XP system disc, reboot, and press any key to open the disc.

3. Disc installation 1. Put the disc into the optical drive, restart it, and see the CD ...... appear at the bottom of the screenWhen the word is written, press any key in time, otherwise the computer will skip the light and start from the hard disk again. 2. Use the arrow keys on the keyboard to select "Install XP system to the first partition of the hard disk" and press Enter. 3. Enter the copy installation interface, the following is automatic, don't move anything, if you don't want to install some drivers, you can manually select the process roughly:

Display the replication progress, restart, automatic installation driver, XP installer, please wait (it takes a long time, wait patiently), the last task is being executed, automatically restart, and enter the desktop after displaying "Welcome".

Operating system (OS) is a computer program that manages and controls computer hardware and software resources, and is the most basic system software that runs directly on "bare metal", and any other software must be supported by the operating system to run.

The operating system is the interface between the user and the computer, as well as the interface between the computer hardware and other software. The functions of the operating system include managing the hardware, software and data resources of the computer system, controlling the operation of programs, improving the human-computer interface, providing support for other application software, maximizing the use of all resources of the computer system, providing various forms of user interface, enabling users to have a good working environment, and providing necessary services and corresponding interfaces for the development of other software. In fact, the user does not have to touch the operating system, which manages the computer hardware resources and allocates resources according to the resource requests of the application, such as:

Divide CPU time, open up memory space, call printers, etc. ‍

Take a screenshot and see what's there.