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This error is not the same as a CMOS Checksum Error, which refers to corrupted values of the CMOS settings, the ones you set through the BIOS setup program. This error means the contents of the BIOS code itself are damaged.
During the boot process you will see on the screen to press delete to enter setup Press and hold delete during the boot up process to enter BIOSyou can load failsafe defaultsor load optimized defaults ,press escape then press f10 to save to cmos to restart click start control panel date and time you can make your adjustments to the date and time from there also right click on the date and time on the bottom toolbar (bottom of screen)you should seeAdjust date and time tab hope this helps you
Go into the BIOS by pressing F2 when you first turn on the laptop. In the main screen you should be able to change the time and date. After you do that save the changes and exit and go into windows and see if the date and time is current.
On the motherboard of all computers is a small battery. It looks like a watch battery. The purpose is to keep a small amount of electricity going to the motherboard so the time and date can stay current. When that battery gets low on power or dies then the time and date is wrong. Its called the CMOS battery and it needs to be replaced and then everything will return back to normal. You can do it yourself if you're confident or take it to computer repair shop.
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