Cmos Checlsum Error
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Software Mac Software Linux Software Android Apps BlackBerry Apps iPhone Apps Windows cmos checksum error defaults loaded Phone Apps News Encyclopedia Home How To Hardware BIOS CMOS CHECKSUM ERROR - DEFAULT LOADED Ask a question cmos checksum bad USESFRITBR October 2016 When a CMOS Checksum error occurs during system startup, it could mean that the system has been restored to default factory settings. The CMOS contains data
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related to BIOS and may have been reinitialized. It may also be possible to fix the problem by reinitialising BIOS. The problem could also occur due to the depletion of the CMOS battery. If the user cannot locate the pin battery, the help of a computer technician should be taken to prevent damage to the hardware or motherboard.
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The CMOS checksum error - defaults loaded should be solved after changing the CMOS battery. Symptoms Solutions: Symptoms When starting your PC, the following error message is displayed: CMOS wrong CMOS MEMORY size WRONG CMOS Checksum Bad CMOS checksum error defaults loaded Warning! CPU has been changed please re-enter cpu settings in the cmos setup and remember to save before quit! You are prompted to: Press F1 to resume Press F2 to load default values and continue This is due to the fact that the CMOS, which contains data related to the BIOS, has been reinitialized and that your PC has been reset to factory settings. Solutions: Reinitializing the BIOS Before making any costly maintenance try: reinitialized the BIOS. Change BIOS battery If the problem persists this may be due to the fact that the battery powering the CMOS (when the computer is shut down it allows the CMOS to store information), is depleted. The CMOS battery is a small pin found on the motherboard; you can refer to the manual provided with
CMOS setup and check all values, this includes verifying the time and date are correct. Once everything has been verified and cmos checksum error defaults loaded keyboard unresponsive changed make sure you save settings and then exit CMOS setup. If
Cmos Checksum Error Defaults Loaded Solution
everything appears to be correct, you can try resetting the CMOS to the default values. After the CMOS cmos checksum error keyboard not working values are reset, save changes and exit the BIOS to reboot the system. Tip: If this issue continues to occur after you turn off your computer off the CMOS battery http://ccm.net/faq/618-cmos-checksum-error-default-loaded may be failing or already bad. Before considering replacing the CMOS battery try leaving your computer on for several days. Sometimes leaving the computer can re-charge the battery. How to replace the CMOS battery. Computer improperly turned off If the computer lost power while it was still running it may have corrupted the CMOS. Make sure the computer is ready to http://www.computerhope.com/issues/ch000237.htm be shut off before turning off the computer. If you have a laptop computer make sure the battery is charged before disconnecting the power connection. If the CMOS values have become corrupted enter the correct values in CMOS setup and then save and exit CMOS setup to resolve your issues. BIOS update recently performed If a BIOS update has been run on the computer the values stored in CMOS may have been reset. Enter CMOS setup re-enter all values and then save and exit CMOS setup. If you are unable to enter the CMOS setup, or the computer no longer keeps its BIOS values, the BIOS update may be corrupt. In this case, we recommend updating the BIOS again or reverting to an earlier version. Additional information See the BIOS and CMOS definition for further information about each of these terms and related links. Was this page useful? YesNo Feedback E-mail Share Print Search Recently added pages View all recent updates Useful links About Computer Hope Site Map Forum Contact Us How to Help Top 10 pages Follow us Facebook Twitter
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