Cancer Baaaaaad! Once you identify which component is the trouble maker, you can either replace it with another component or remove it from the upgrade plan. The CMOS contains data related to BIOS and may have been reinitialized. In a laptop, it could be sheathed in a holder of some type and be more expensive.
Waited a bit for the CMOS to reset, then put the battery back in. This value is stored in a CMOS memory chip which requires continuous power to function. I checked some other sites for this problem. Which begs the question: After all these years, why haven't laptop manufacturers figured out a better way to power the CMOS?
Solutions: Reinitializing the BIOS Before making any costly maintenance try: reinitialized the BIOS. As to the OP's problem, maybe clearing cmos through a jumper on the motherboard might resolve the checksum error. Borrow one or buy one. What Is Checksum Error Refer to your motherboard’s manual for instructions on how to perform this operation.
what does CMOS means ??? In case you are not familiar with this, overclocking is a process which implies modifying some parameters of certain components to higher values in order to obtain increased performance. pe 77,499 views 1:50 Main Bios Checksum Error Fix - Duration: 2:13. Look over the Beep Code list and see if any match the sequence you hear.
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