A Step-By-Step Guide to Boost Slow GPU Efficiency After Updating Drivers

Some motherboards have a switch on the motherboard itself or on the back of the computer to reset the BIOS settings. Without such a switch, you can remove the CMOS battery from the system for a minute or two. A power failure will cause everything in CMOS to d3d8.dll download reset.

I replaced the battery on the motherboard and reset the CMOS but it still shows the black screen of death with the messages. Bear in mind that viruses can also affect CMOS settings and can cause a checksum error. Motherboard problems can also affect the values stored in CMOS memory. So it’s not always the CMOS Battery that causes a checksum error to appear. But battery failure is certainly the most common reason.

How To Reset Pc Bios/cmos

So, if in any way the motherboard of your computer is damaged, that can cause the CMOS Checksum error. You learned all the reasons behind the CMOS Checksum error and now let’s discuss the solutions. In most other cases, you only need to reset the BIOS.

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  • The PC is plugged into a surge protector, which is connected to the wall socket.
  • For laptops, a failure of the motherboard often spells the death of the computer.
  • Still, if it is a good computer, many people may opt for this cost rather than the cost of a new computer.
  • This is due to the high cost of replacement.

Hold down the Power button on the CPU for about 30 seconds. When the device will start, hopefully, the aforementioned error will not appear again. So of course I figure that the CMOS battery is dying and it’s probably accounting for the non-posting.

The CMOS checksum error is a result of abnormal power cut of the system, which can be resolved easily only by restarting Windows 10. The issue will mitigate when you shut down the system correctly from next time. You need to go to Start menu, click the Power icon and select Shut down. At the time of the next startup, remove the residual power first by unplugging the cord from the socket.

BIOS(Basic Input/Output System) does the job of initiating and testing the hardware, for example, the CPU, memory, keyboard, mouse, etc. The error happens when CMOS fails to check the data stored in BIOS, which is otherwise known as the Checksum check failure. The error can occur when CMOS runs out of battery, or the BIOS data is corrupted. Also, when malfunction happens in the BIOS, the viruses can change the value of BIOS data which will lead to the Checksum check failure.

Complimentary Metal-oxide Semiconductor or CMOS is a semiconductor chip on the motherboard of your computer. It is responsible for storing Information regarding BIOS.

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