My computer can t access the Internet, maybe the registry has been changed, please consult Master 20

Check and change the registration form.

1. The method of entering the registry, open "Run" in the start menu, or you can directly press Win+R to start running.

2. In the open run box, enter the regedit command, press OK, 3, this enters the registry, after entering, click "" on the menu, and select "Find" in the open drop-down menu.

4. The method of finding is as follows:

First, first stabilize the cursor to the top of "My Computer", which means that you are looking from the top to the bottom. This must be selected before the search box pops up, and it cannot be moved to after it pops up.

Two, in"Find the target"Fill in the key words you want to find, such as the file name that cannot be found in the prompt, so fill in.

Third, under "View", there are three checkboxes, if you know what item or value or data, you can check one of them, so that the search speed is faster, if you don't know, you can check them all, but the search is slower.

Fourth, the whole word matches this item, which is generally not checked.

Five, click"Find the next one"to start looking.

5. The search time is based on the size of the registry, as well as the location of this key storage, etc., which is as short as one or two minutes, and as long as more than ten minutes.

6. After finding it, you can change this item.

Is there a backup of the registry before changing the registry, if not, use Kingsoft NetShield or other tools to repair the registry.

If the system is backed up, just restore the system directly.

If the above two situations do not apply, you can only reinstall the system, and if you don't understand the registry, you can't change the registry at will, and it's best to back it up before changing.

1. Press F8 to press F8 to get the advanced option to appear in the release of the power, and select "The latest correct configuration" Enter to repair. 2. If the fault persists, please use the system restore that comes with the system to restore it to the time when you did not have this fault (or use the restoration software to restore the system). 3. If the fault persists, use the system disk to repair it, open the command prompt and enter sfc scannow Enter (there is a space between sfc and ), insert the original system disk to repair the system, and the system will automatically compare the repaired.

4. If the fault persists, set the optical drive in the BIOS as the first boot device, insert it into the original system installation disk, press the R button, and select "Repair Installation". 5. If the fault persists, it is recommended to reinstall the operating system. Use the system that comes with the system restore method:

The system comes with the system restore: "Start" "Programs" "Accessories" "System Tools" "System Restore", click "Restore my computer to an earlier time", press Next, you will see that the date page has a dark date, that is the restore point, after you select, click Next to restore (win7 restore the system, in the control panel then the device and security sub-option and then the backup and restore sub-option).

It can only be fixed.

The computer registry modification has nothing to do with redoing the system, it is recommended to use the system CD to redo the system.

1. Press and hold the F12 key on the keyboard before powering on, and the "Please Select BootDevice (or StartupDevice Menu)" menu will appear. At this time, put the "System CD" into the CD-ROM drive, then select "CD *** (related CD-ROM options)", and press the "Enter" key twice;

2. After the disc is booted, the screen shows boot from cd: press enter twice before booting from the disc, otherwise boot from the hard disk;

3. Initialization installation is waiting;

4. When the language and other preference setting interface appears (as shown in the figure below), you can set the "language to be installed", "time and currency format", and "keyboard and input method" according to the usage situation. In general, you can use the default settings, and click the "Next" button directly;

5. Click "Next" on the interface of selecting the operating system to be installed;

6. The license agreement interface appears, check the "I accept the license terms" in the red box, and then click the "Next" button to continue;

7. The interface of selecting the system installation partition as shown in the figure below appears, Lenovo computers generally have two hard disk partitions (C disk and D disk) from the factory, it is recommended to format only C disk (disk 0 partition 1) to reinstall the system;

8. As shown in the figure above, click "Drive Options (Advanced)" in the red box, switch to the interface as shown in the figure below, select "Disk 0 Partition 1" with the mouse, and then click the "Format" button below;

9. The system pops up the data loss warning dialog box as shown in the figure below, click the "OK" button to continue;

10. The following figure shows the state after formatting the partition, click the "Next" button to continue the installation of the system;

11. The installer starts to copy files and installers to the selected partition, there will be several reboots in the middle, no need to do anything, please wait patiently for 10-20 minutes;

12. When the interface as shown in the figure below appears, you can enter a user name (Chinese and English are acceptable) as the administrator account of the system (here as an example, enter lenovo), and you can also select your favorite **as the account**. After entering the selection, click "Next" to continue;

13. Enter a computer name in this interface, you can also use the default one, and you can choose a desktop background you like. Click the "Next" button when the selection is complete;

14. The interface as shown in the figure below appears, adjust the correct time zone, date and time, and then click "Next";

15. All the settings have been completed, click the "Start" button, and the system will do the final debugging and optimization.

The registry is broken, if there is a backup registry that can be restored.

Format the system disk and then reinstall the system.

Since you don't need to care about the registry when you reinstall the system, how does the system install it? You can use tools to detect whether there is a problem with the hard disk, and generally the ghost version has tools.

The registry has nothing to do with reinstalling the system.。。。 Reformat the system disk.,Re-install it is.。。。