Reinstallation instructions:
1, because the computer can't open the computer, you must use another available computer as the startup USB flash drive.
2. If the memory is below 2G, reinstall the 32-bit system; If the memory is more than 4G, choose a 64-bit system.
3. Before reinstalling, back up the C disk and desktop files. If the system is damaged, enter PE backup.
4. If you can't even access the U disk and pe, it means that it is a hardware problem, and you need to find someone to check, repair or replace the hardware.
Related reading:
How to reinstall computer system with CD-ROM
Uefigpt mode USB flash drive starts to install win7 steps.
The method of pe backing up the desktop data of disk C when the system crashes.
First of all, the preparation for reloading.
1, system download: USB flash drive version of win7 system download address.
2, 4G and above U disk: Chinese cabbage U disk production tutorial
Second, the startup settings: how to set the startup from the USB flash drive?
3. The computer won't open. The steps of reinstalling the system using the USB flash drive are as follows
1. Make a USB flash drive on an available computer and directly copy the downloaded iso file of the operating system to the GHO directory of the USB flash drive;
2. Insert the USB flash drive into the computer that can't be opened. After restarting, continue to press F 12, F 1 1, Esc and other shortcut keys to open the startup menu, and select the USB flash drive option to enter, such as GeneralUDisk5.00. For computers that do not support these startup keys, check the second point to set the USB flash drive startup mode. If the BIOS can't get in, it's a hardware problem.
3. Boot from the USB flash drive to enter this main menu, and select 02 option through the arrow keys to start the pe system. If you can't input pe, select 03 old PE system;
4. Enter the pe system. If you need to re-partition, you need to back up all the data, then double-click to open the DG partition tool, right-click the hard disk, and select Quick Partition;
5. Set the number and size of partitions. Generally, it is recommended that the C drive is above 35G. If it is a solid-state drive, check "Align Partition" to align it to 4k, and click OK to execute the hard disk partition process.
6. After the partition is completed, open the one-button installation machine of Chinese cabbage and mirror the iso mirror of the path selection system. The tool will automatically extract the gho file, click the drop-down box and select the gho file;
7. Then click "Restore Partition" and select the location of the system disk, usually disk C. If disk C is not displayed, you can select it according to the volume label and disk size, and click OK.
8. This prompt box pops up, check "Restart after completion" and "Boot repair", and click Yes to start execution;
9. To this interface, it takes about 5 minutes to restore the system to disk C;
10. After the operation is completed, the computer will automatically restart. At this time, pull out the USB flash drive and restart to enter this interface to continue the process of reinstalling the system and activating the system configuration;
1 1, and the whole reinstallation process takes 5- 10 minutes. After reinstalling the system, the computer can be turned on.
The above is how to reinstall the system with a USB flash drive when the computer can't boot. If the computer can't boot, you can reinstall the system with a USB flash drive.