Fix CMOS Checksum Error With Easy Solutions

The CMOS checksum error is one of the most annoying problems. This error mainly appears at the time of starting the system. This error mainly appears due to the issues with BIOS or Basic Input / Output System. The incorrect CMOS value is one of the main reasons behind this error. “System CMOS checksum bad – default configuration used Press <F1> to resume, <F2> to Setup” or “CMOS Checksum Bad Press F2 to Run SETUP Press F1 to load default values and continue”, these error notification may appear on the screen due to this error.

If you are dealing with this kind of issue, then this guide is for you. Go through the entire article, to know the details on how to solve the problem.

Three Effective Solution on Checksum Error

Now here, we are going to present the solutions that can help you to get rid of the problem with the checksum error. So, let’s start to read:

Solution 1: Restore the CMOS Battery

If you are facing the trouble with checksum error detection. Then, you should try to replace the CMOS battery in the system. Follow the steps which are written below.

  1. At first, you just need to arrange a new CMOS battery.
  2. Then, turn Off the system and detach the power supply from the system.
  3. Thereafter, remove the cover case of the system. Then, find out the used battery from the motherboard.
  4. After, finding it out and take off the used CMOS battery from the system.
  5. Now, insert the new CMOS battery in the battery holder of the computer. And, verily whether you placed the battery properly or not. And, check if the problem is resolved or not.

Solution 2: Reset and Update the BIOS Settings

You can overcome the issue with the checksum error by resetting and updating the BIOS settings. Here, are the steps that can help you to do so:

How to Reset the BIOS?

Here at first, we will discuss the steps that can help you reset the BIOS settings. Go through the steps to know the details:

  1. At first, move to the bottom of the left side of your computer screen and click on the Start button. Then, select the Power icon and click on the Restart option.
  2. Wait for a few minutes to start the computer.
  3. After that, keep pressing the Del key or the F2 key repeatedly from your keyboard. If it did not work out, then you can press F8, F10, Esc or the Tab button instead.
  4. Then, again wait for a few minutes to load the BIOS.
  5. Thereafter, you will need to search for the Setup Default option.
  6. Now, click on the Load Setup Defaults option and hit the Enter button from your keyboard.
  7. Once you are done with the steps that we have mentioned above, now you need to save all the changes that you have made.

How to Update the BIOS?

Now, here we are going to discuss the steps that can help you to update the BIOS. Go through the method that is mentioned in the following part of the article.

  1. At first, go to the Start button which is located at the bottom of your computer screen. Click it to open.
  2. Then, write down ‘msinfoin the search box to open the System Information. Click on the named option from the appearing list.
  3. After that, find out the model name of your system and click on it.
  4. Now, move your cursor near the BIOS Version/ Date option, here you will get the BIOS version number and click on it.
  5. Thereafter, visit the official website of the BIOS manufacturers.
  6. At the next step, locate the BIOS update file. And, click on the BIOS heading to proceed with it.
  7. Once you are done with the steps that are mentioned in the previous part of the article, now check if there updated software is available or not. Click on the Update option or the Downloading link. And, wait for a few minutes to complete the update procedure.

Solution 3: Run the Automatic Repair

You can get rid of the problem by performing an automatic repair process on your computer. Here, in this part of the article, we are going to discuss the steps that can help you to do so:

  1. At first, move on to the bottom-left corner of your computer screen and click on the Start button.
  2. Then, select the Settings option, from the Start menu.
  3. Thereafter, click on the ‘Update and Security’ option.
  4. Furthermore, proceed with the next step by clicking on the Recovery option.
  5. At the next step, click on the Restart button which is located under the Advanced Startup option.
  6. After that, click on the Troubleshoot option, then select the Advanced option and click to the Startup Settings option.
  7. Once you have done with the steps that we have mentioned, now restart your computer. Then, you need to choose the Startup settings, while pressing the corresponding number. Now, verify if the issue still persists or not.

Wrapping up

Hope, this article has helped you to resolve your problem with CMOS checksum error. Try the steps that we have mentioned in this article. If you have any more questions regarding this topic, then you can comment below.


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