Every time your computer loads, this value is crosschecked against the Cmos memory value. In case of a mismatch between these two values, you will see a CMOS checksum error. In addition to booting up your computer, BIOS also maintains other settings for the hardware, like boot priorities, time and date, speeds, voltages, etc. These settings are stored on your hard drive; instead, these are stored on a separate nonvolatile CMOS RAM chip. Each brand of BIOS tends to react differently when encountering a checksum error.

Replacing Your Bios Logo

The most common reason why you may be getting the checksum error is because of a faulty battery. The Cmos Memory is powered by a watch button-style battery, which can last from 2-3 years. However, due to various reasons, it can https://wikidll.com/other/wnaspi32-dll also run out of power earlier than usual. To guard the BIOS software, the CMOS memory stores a specific value on itself.

If they do not match, an error message is generated to tell you that the BIOS settings may have been corrupted and as a result some of the BIOS settings may be wrong. Hi , I am facing problem whenever i startup my pc the error displays as "CMOS Chksum error " .

• You can call Fix CMOS Checksum Error On Dell XPS Laptop at DELL XPS Support Number + .
• You can also get the best qualitative solutions to fix other types of DELL technical errors or problems.
• Connect now with experts and take immediate online customer assistance for additional DELL queries.
• By providing you with a comprehensive guide, a team of DELL customer support professionals will help you resolve this error.

Not The Answer You’re Looking For? Browse Other Questions Tagged Motherboard Battery Cmos Or Ask Your Own Question.

Some will warn the user and then continue loading the operating system with whatever settings were in the CMOS memory (even if they have changed). Other BIOS brands will assume that the settings that were stored in CMOS memory are corrupted and will load default values stored in the BIOS chip “for safety reasons”. The error message resulting from the checksum error will indicate which option your system’s BIOS is running. Each time a PC is booted this number is recalculated and checked against the currently stored value.

I have changed CMOS battery also still this error displays ,plz help me. CMOS uses a battery to store power after you shut down your computer. Generally, the CMOS battery gets faulty after 5years.

The post 4 Best Ways to Restore Your Laptop Work After Updating Drivers appeared first on .