Why can't the win7 system adjust the computer time win7 can't adjust the computer time solution

A user feedback said that the win7 system can't adjust the computer time. Trying it a few times is still the same. Even shutting down and restarting can't solve the problem. In fact, there are several reasons why the win7 system can't adjust the computer time. Next, Xiaobian can share the reason and solution of the computer time.

First, the cause of the failure

1, the motherboard battery (cmos) is out of power.

2, the computer has a virus, and the purpose of such virus modification time is to make the anti-virus software use, or cause some software to run abnormally.

3, no permission to modify the time.

Second, solution

1, determine whether the motherboard battery cmos is not powered: start the laptop and enter the bios interface, then modify the time, save and exit, turn off the computer to restart, then enter Cmos view, if the time is run according to the modification, it means that the battery is no problem, otherwise the battery is dead and needs to be replaced. If it is still not possible after replacing the battery, it may be a problem with the motherboard.

2, to determine whether there is a virus: the computer can be modified in windows time, but after the modification, it will quickly jump to a wrong time, if the time can be modified, but the time is not correct after the restart, then please Modify the time, then start the computer, enter the bios to see, if this time is wrong, it means that the motherboard battery is dead, if the time is right, the time is wrong after entering Windows, it is the cause of the virus .

3, check whether there is a way to modify the permissions, first figure out the windows user name of your computer, if you do not know the user, you can press ctrl + alt + del key combination to view, if it is not modified permissions Please follow the steps below

4, click “Start—Run”, enter secpol.msc command and press Enter;

5, pop up to “ In the Local Security Policy window, expand the Locate to “Local Policies——User Rights Assignment"item;

6. Find and double-click in the list on the right to change the system time”, A window pops up (if the operation cannot be completed, you need to use the administrator to log in again), which lists the list of users with permissions. If you don't have your username, you have no permission. If you already have your username, Explain that you have permission, but if the time can not be modified, it is a virus problem.

7. If it is a problem with no permission, please add the permission and then modify the time. If it is a virus problem, and there is no effective anti-virus method at present, it is recommended to cancel the time modification permission of all users, and cancel the permission method: select the user from the list, click delete, and then click OK.

The above tutorial is the reason and solution for the win7 system can not adjust the computer time, can judge the problem according to the cause of the failure, I hope this tutorial content is helpful to everyone!