If they are incorrect, modify the values and save the changes.ĩ. If it doesn’t fix the problem, enter the BIOS again.Ĩ. After entering the Windows, turn off the computer and restart to see if the problem still persists.Ħ. If the system notice you “Load BIOS Defaults(Y/N)?”, then press the Y key and the Enter.ĥ. (Or select the option that works for defaulting the BIOS.)Ĥ. Read the keys usage information on the screen and select the Load Defaults. (You may need to press other keys, for example, the key Del, according to your BIOS.)ģ. When seeing the “Press F1 to continue, F2 to enter SETUP” message, hit the F2 key to enter the BIOS. Boot the computer to the black screen with the checksum error.Ģ. Reset the BIOS and Solve the “CMOS Checksum Error – Defaults Loaded” IssueĪlso, try resetting the BIOS values when you encounter the CMOS checksum error – Defaults loaded problem.ġ.
System cmos checksum bad update#
Top 5 Easy Ways to Save Laptop Battery on Windows 10, 8, 7, Vista, XPįix: Laptop Battery Not Charging to 100% on Windows 10įix Missing Laptop Battery Icon on Windows 10 Creators Update If you can’t replace the CMOS battery by yourself, it is better to ask some computer technicians for help. Insert the new battery into the battery socket and make sure it is firmly right in the place like the old one. Remove the computer case and locate the old battery on the motherboard.ĥ. Turn off the computer and cut off the power supply for the machine.ģ. If you’ve kept your computer working for over 5 years, it’s recommended to replace the CMOS battery. You can purchase such battery easily in any convenience stores. Most of the computers use the common button battery, namely the battery in model CR2032 3V.
Replace the CMOS Battery to Fix the Checksum Error In this Windows guide, we’ll walk you through top 2 ways to troubleshoot the checksum error, especially the “CMOS checksum error defaults loaded”.
System cmos checksum bad Pc#
Top 2 Ways to Fix CMOS Checksum Error on Windows PC Now that we’ve learned about the culprits that trigger the CMOS checksum error on the Windows, it’s time to take solutions to fix the error. In this case, you may receive an error message on the black screen as you can see in the picture below: If the CMOS battery is used up, or if the BIOS values have become corrupted, which makes CMOS unable to retain data, then you’ll get the checksum error while the Windows machine is starting up. Complementary Metal-Oxide Semiconductor ( CMOS) is a battery powered semiconductor chip on the motherboard, which contains data related to the BIOS. BIOS will initialize and test the hardware, such as the CPU, memory, keyboard, mouse, etc. The checksum error is often related to the BIOS (Basic Input/Output System), the firstly running program once you power on the computer. Fix CMOS Checksum Error on Windows 10, 8.1, 8, 7, Vista, XPĬMOS checksum error is an unusual computer error which occurs during the system startup.
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