What should I do if I can t enter the system after the computer is turned on, and it is useless to c

Simple. You can't reinstall the system

Analysis: System file corruption.

Processing: Reinstall the system.

1.Turn on and press F8 to see if you can enter.

If you can, you will enter and exit, and then restart to enter and enter the normal mode.

2.If not, press F11 after rebooting to see if there is a one-click backup, and if so, one-click restore.

3.If there is no one-click restore, use the system USB flash drive to reinstall the system. After booting up, press the del key (notebooks are generally F2 or according to the bottom line of the screen prompt characters) to enter CMOS, and set the U disk as the first boot item.

Reboot into the boot menu of the USB flash drive, select Clone Installation, and then follow the prompts.

Restore or reinstall your system!

Hello, this is more serious system damage and it is recommended that you reinstall the computer operating system.

I guess there might be a problem with the system, so I'll reinstall the system. If it still doesn't work, the problem may be in the hardware, mostly on the motherboard.

If you assemble the computer, you will rebuild the system.

If you want to use a brand computer, you can restore it with one click.

The system is broken, and it's best to reinstall it.

Restore the system in safe mode as follows:

How to fix system failures in Windows 7 Safe Mode with System Restore virus Acan.

Windows safe mode is to log in to this mode when the operating system is abnormal after troubleshooting and repair, in this mode the system will only start the underlying services, other applications will not start, users can easily troubleshoot system problems. Windows 7 safe mode entry and Windows XP operation is similar, boot before entering the Windows system boot screen press the F8 key, and then the system boot menu appears, select safe mode to log in to enter.

1. Fix system failures.

If Windows is not stable or cannot start normally, do not reinstall the system at this time, try to restart the computer and switch to safe mode to boot, and then restart the computer, is the system back to normal? This method is very effective if it is a system failure caused by a problem with the registry, because Windows can automatically fix the registry problem when it starts in safe mode, and after a successful start of Windows in safe mode, it can generally be started in normal mode (normal).

6. Restore system settings.

If the user installs new software or changes some settings, resulting in the system can not start normally, it also needs to enter the safe mode to solve, if it is caused by the installation of new software, please uninstall the software in the safe mode, if some settings are changed, such as the display resolution setting is beyond the display range of the monitor, resulting in a black screen, then you can change it back after entering the safe mode, and put the screen saver with the password in the "start" menu, after forgetting the password, If the computer cannot be operated normally, it can also be changed by entering safe mode.

7. Find out malicious self-starting programs or services.

If there are some inexplicable errors in the computer, such as not being able to access the network, and the problem cannot be found according to the conventional thinking, you can boot it into the safe mode with network connection to see, if it can be accessed here, it means that some self-starting programs or services have affected the normal connection of the network.

Boot into the BIOS and restore the BIOS to factory settings.

Disable all startup items in safe modeTry a restart.

To boot the computer to enter the safe mode and then reboot before entering the system, consider the following problems:

1. There is too much dust in the machine, and poor contact will cause a crash, clean the chassis, and plug all the connections tightly and firmly.

2. Plug in the memory module tightly and replace the memory that you suspect is in trouble.

3. Replace the motherboard battery and set the BIOS to factory default.

4. Check the heat dissipation of the CPU and graphics card, dust and oil the fan, or replace the fan with a new one.

5. Enter safe mode to clean up the disk (clear junk files). In the "My Computer" window—right-click the drive you want to defragment—Properties—General—Click "Disk Cleanup"—Open the "Disk Cleanup" dialog box—Check the files you want to delete—OK—Yes—the system will automatically clean up the selected files.

6. Scan and repair the disk. In the "My Computer" window - right-click on the drive (c) to defragment the disk - Properties - Tools - Start check - check "Automatically fix file system errors" and "Scan and try to recover bad sectors" - Start - Check and then OK to exit. Then scan and repair the other partitions one by one.

7. Defragment the disk. My Computer—Right-click on the drive you want to defragment the disk — Properties — Tools — Select the defragmented disk to open the Disk Defragmenter window — Analyze — Defragment — and the system will start defragmenting. Note:

Turn off the anti-virus software during the tidying up period, and do not read or write any data, which is likely to cause the computer to crash. Defragment Disk, My Computer - Right-click the drive you want to defragment - Properties - Tools - Select the defragmented disk to open the "Disk Defragmenter" window - Analyze - Defragment.

8. Update the motherboard, network card, graphics card, sound card, mouse and other pointers, as well as system equipment, IDE controller, serial bus controller and other drivers.

9. Change the system disc and reinstall the system.

What brand of computer? What is the model?

Share common computer tips, computer knowledge, computer skills, computer common problem solutions, etc., what we share today is, win7 into the safe mode of the 4 square silver techniques, the computer into the security pattern of the posture repair fighting Ming Fu necessary skills, thank you fans for their continued support.

It's obvious. Too much poisoning.

The virus starts with the system.

The system crashes if it can't afford it.

In safe mode, the megacavity system only starts those few startup programs that can be trusted before scattering, so the virus is not started together, of course, you can enter the safe mode, first try to kill the virus with the anti-Huichai's anti-virus software in the safe mode, if it doesn't work, reinstall the operating system.