How to reinstall a computer system without using a disc. That s it when the computer is turned on, w

You don't need a CD-ROM to use a USB stick.

You can use a USB flash drive to start the tool, but it depends on whether you have another computer, if you have, it's easy to do. **A USB flash drive boot tool, then install it on a good computer, open this tool, you select a USB flash drive, plug it into the computer, and make a USB flash drive boot tool according to the prompts of the USB flash drive boot tool. After doing a good job, in the system home **** an XP or WIN 7 system, depending on your own usage habits, choose which system.

Then you can install the system. First of all, insert the U disk that has just done the U disk boot tool into the computer with the system problem, boot up, keep pressing the delete key, the BIOS interface will appear, select the U disk as the first boot item, press the enter key after saving, the computer will restart, then it will enter the program interface in the U disk boot tool, select item 2, press the enter key, wait a while to enter the PE, find the ghost tool, click on, select OK in the pop-up interface, and then in the pop-up interface, according to " 1-2-3", press the enter key, find the drive letter represented by the U disk in the bar box above, enter the selection and click on the GHO system file, press enter until you select yes, click yes, and when the progress bar is completed, press the enter key, and pull out the U disk, the computer enters the reboot, and reinstalls the system.

The computer must be installed with the system before it can be turned on and used, so once the system fails, the computer can not be turned on, and the system needs to be reinstalled when the computer cannot be turned on. This is for sure, when the computer does not have a system or can not be turned on, the system disc can boot the computer and perform the process of reinstalling the system.

Reloading Instructions:It is only applicable to computers whose system is damaged and cannot be turned on, and hardware damage can only be repaired. Reinstallation will delete all files on the C drive and desktop, you must back up important data, 32-bit system with 2G and below memory, 64-bit system with 4G and above.

1. Back up the C disk and desktop files.

3. System CD: The production method of the system CD.

4. Disc boot settings: how to set up boot from CD.

2. The steps to reinstall the system with a disc are as follows

1. Put the system disc in the computer CD-ROM drive, press the F12, F11, ESC, etc. boot hotkeys after restarting, select the option with cd or *** in the pop-up boot menu, and press Enter, if not these shortcut keys, refer to the above "CD Boot Settings" tutorial;

2. Boot from the disc to enter this main menu, press the number 2 or click option 2 to run the PE micro system;

3. After entering the PE system, do not use partitions to directly execute step 5, if you need to repartition, you need to make sure that there is no important data in the hard disk, double-click [DiskGenius], click [Hard Disk] - [Quick Partition], use this operation must ensure that there is no important data in each partition;

4. Set the number and size of partitions, the main partition is more than 35g, it is generally recommended to be 50g, click OK to execute the partition;

5. After completing the partition, double-click [Auto Restore Win7 to C drive], the prompt box will pop up, and click OK directly;

6. Enter this interface and perform the system decompression to the C drive, which may take about 5 minutes;

7. After completing the decompression, the computer will automatically restart, at this time, you can take out the system CD, and continue to reinstall the system after restarting, which also takes about 5 minutes;

8. The reinstallation process needs to be restarted several times, and the process of reinstalling the system on the disc will end after entering the new system desktop.

The above is the method of using the disc to reinstall the system when the computer can't turn on, when the computer can't turn on, you can boot it through the disc and then reinstall the system.

The computer cannot be turned on, you can use the disc to reinstall the system, the specific steps are as follows:

When the computer boots up, press the corresponding button to enter the BIOS settings. The specific keys may be DEL, F2, F12, etc., after entering the BIOS settings, pay attention to setting the boot order, let the disc boot take precedence over the hard disk, and then save the settings and exit the BIOS.

Insert the prepared system installation disc into the optical drive and restart the computer. The computer will recognize the disc and try to boot from it. If everything is normal, the system installation interface will be sleepy, and you can follow the prompts.

In addition, if you have a ghost backup on your computer, you can also reinstall the system through the ghost tool, the steps are as follows:

Install a ghost one-click recovery tool.

Open the tool and follow the instructions.

It should be noted that the steps to reinstall may vary for different computer brands and system versions, so it is recommended to consult professional technicians or consult relevant tutorials for operation.