Windows computer time and date errors are usually caused by settings or synchronization issues. First, check whether the automatic synchronization function is turned off, enter the "Control Panel → Date and Time → Internet Time" tab, check "Sync with Internet Time Server", select the default server and click "Update Now". If it fails, it may be a network or firewall problem; second, check whether the BIOS time is consistent with the system time, the motherboard battery is out of power or the coexistence of multiple systems may cause an error in time after restart. You can enter the BIOS to adjust the time or run the command in Windows to use the local time; finally confirm whether the time zone setting is correct, right-click the taskbar time icon and select "Adjust date/time" and ensure that the time zone is in the city, such as Chinese users should select "China Standard Time". Follow the above steps to troubleshoot in turn to solve most of the time error problems.

System time and date errors are actually quite common on Windows computers. In most cases, it is not a hardware problem, but a setting or synchronization is incorrect. If you find that the time is slower by several minutes, the date is wrong, or the time zone is displayed incorrectly, don't worry, the following methods can basically solve most of the situation.

Automatic synchronization time function is not enabled

Windows is enabled by default with automatic time synchronization, but sometimes it is turned off or synchronization fails. You can check it manually:

• Open Control Panel → Date and Time → Click the "Internet Time" tab
• Check if "Sync with Internet Time Server" is checked
• If you don't check it, check it, then click "Change Settings" and select a time server (usually use the default time.windows.com )
• Then click "Update now" to try to see if the synchronization is successful

If the prompt "The server cannot be contacted", it may be a network problem or the firewall is blocked. You can try changing the network environment again.

BIOS time and system time are inconsistent

Sometimes, even if Windows is set correctly, the time after restart is wrong. This may be due to inconsistent time settings and system time of the motherboard BIOS.

This is common in:

• Battery is out of power (motherboard button battery)
• Multi-system coexist (such as dual-system Windows Linux)

Solution:

• Enter BIOS settings (press Del or F2 and other keys when powering on) to view the current BIOS display time
• If it is not right, manually adjust it to the correct time
• If you have dual systems installed, it is recommended to run commands in Windows to let the system use local time instead of UTC:
  Enter:

   reg add "HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\TimeZoneInformation" /v RealTimeIsUniversal /d 1 /t REG_DWORD /f

  Then restart to take effect

Time zone setting is wrong

Some people may accidentally change the time zone while on business trips or remote work, or the system identifies the wrong location. Although there is no problem with time synchronization at this time, it shows the time in other regions.

Inspection method:

• Right-click the time icon in the taskbar in the lower right corner → Adjust date/time
• Check if the "time zone" is your city
• If it is wrong, select the correct time zone from the drop-down menu to save.

For example, Chinese users should choose "China Standard Time" (UTC 8)

Let's summarize

When encountering the problem of inaccurate time and date, first check whether the synchronization is turned off automatically, then check whether the time zone is correct, and finally check the impact of BIOS and multi-systems. Among these problems, the most common one is that the synchronization service is not enabled or the network is not connected, followed by the time conflict between the dual systems.

Basically all this is it, it is not complicated to operate, but it is easy to ignore the details.

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