What Is BIOS Time? How To Change It

Most motherboards embrace a Real Time Clock (RTC) module that retains monitor of your system date and time also referred to as the BIOS Time.

It’s saved within the CMOS chip and you may configure it from the BIOS/UEFI interface.

To change the BIOS time, entry your BIOS/UEFI interface and go to the System tab. You’ll be capable to set the BIOS date and time there.

You could also be questioning, why is that this even essential ? Doesn’t Windows robotically set the right time for you? I’ll begin by answering all such frequent queries.

How To Set the BIOS Time

When putting in Windows on a brand new system, an invalid BIOS time may cause the set up to fail.

After the set up, it’s primarily used for options like Resume by RTC Alarm or network operations like Kerberos authentication.

Depending in your setup and desires, it’s possible you’ll have to set the BIOS time appropriately.

To do that,

1. Power on or restart your PC. Repeatedly press the BIOS key (normally Del) throughout startup.
2. Go to System Status, Info, or the same tab within the BIOS.
3. Set the System Time and Date right here.
4. Press F10 to save lots of the modifications and exit the BIOS.

How To Reduce the Last BIOS Time

The Last BIOS Time stat within the Task Manager is totally unrelated to the system time that we simply set within the BIOS.

After you press the facility button, the BIOS performs the Power-On Self-Test (POST). This primarily entails detecting and initializing the system buses, chipset, and gadgets.

The Last BIOS Time reveals what number of seconds it takes the BIOS to finish the POST and begin loading the OS. 

On most fashionable methods, you possibly can anticipate the BIOS time to be near 10 seconds. Some variation is pure, and never one thing it’s good to stress about.

For instance, my PC’s final BIOS time was 11.2 seconds. You can examine yours from the Startup tab within the Task Manager.

Sometimes, this can be upwards of 20 seconds. If the system boots after exiting the BIOS, this can report the time spent within the BIOS. So, excessive values (e.g., 217 seconds) are regular.

But in case you didn’t enter the BIOS, manually measure the boot time together with your cellphone to make sure the reported worth is near correct.

If your BIOS time is genuinely that top, you possibly can strive a number of issues:

1. Enable Fast Boot or Ultra Fast Boot within the BIOS. This will take away some non-critical checks throughout POST.
2. Ensure your boot drive is on the high of the boot order.
3. Disable the producer emblem throughout POST.