Checksum Error Boot
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BlackBerry Apps iPhone Apps Windows Phone Apps News Encyclopedia Home How To Hardware checksum error fix BIOS CMOS CHECKSUM ERROR - DEFAULT LOADED Ask a question USESFRITBR September 2016 When a CMOS Checksum error occurs checksum error defaults loaded during system startup, it could mean that the system has been restored to default factory settings. The CMOS contains data related to BIOS and may have been reinitialized. It may also be possible
Cmos Checksum Error On Boot
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. The CMOS checksum error - defaults loaded should be solved after changing the CMOS battery. Symptoms Solutions: Symptoms When starting
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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 your motherboard to change it or have the nearby computer technician change it for you if you don't want to risk any damage. More information with: Replacing the battery of your motherboard (CMOS battery) Related : Cmos checksum error Checksum
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Systems Optical Drives Processors Servers Smartwatches Streaming Services Storage Tablets Windows Input Devices Displays Printers Storage checksum error wireshark Networking Cameras Hassle-Free PC Smart fixes for your PC hassles Home Hardware Troubleshoot a BIOS or CMOS 'Checksum' Error Comments By Rick Broida, PCWorld Sep 21, 2011 http://ccm.net/faq/618-cmos-checksum-error-default-loaded 9:40 AM Reader Robert has an older Emachines desktop that recently developed a problem: "I installed a driver updater tool, and when I deleted it, it did something that changed my BIOS. The black screen appears when I boot up and reads: 'System BIOS shadowed. Check time and date settings. System CMOS checksum http://www.pcworld.com/article/240331/troubleshoot_a_bios_or_cmos_checksum_error.html bad--default configuration used.'" Robert says he's tried contacting both Phoenix Technologies (makers of the BIOS) and Emachines, and neither company could help. (The BIOS dates back to 2003, and the system itself is long out of warranty.) Fortunately, this sounds like a pretty easy problem to fix. I don't think the driver-update utility is to blame here, but rather a poorly timed CMOS-battery failure. See, most desktop motherboards have a small battery that supplies power to the BIOS even when the machine is turned off. This battery might last two years or it might last 10, but when it fails, you'll often see an error message like the one above. (Your system will also fail to keep proper time, as the clock is one of the elements powered by that battery.) Most CMOS batteries are standard CR2032 "button" cells, which cost no more than a few bucks at your local drugstore, but check your motherboard documentation ju
Smartphones More Software Memory Power Supplies Peripherals Displays Automotive PSUs Android Your question Get the answer Tom's Hardware>Forum>Motherboards>Bad checksum error in boot up !> Bad checksum error in http://www.tomshardware.com/forum/227780-30-checksum-error-boot boot up ! Tags: Motherboards Boot CPUs Last response: December 26, 2011 2:16 AM in Motherboards Share swayzak March 9, 2007 10:15:38 PM hi I have had this P4PE, Pentium 4 3.06 setup for a few years. It has been OK - coldboot problems occasionally (often have to go through BIOS to boot successfully). But once up & running it's fine. Incidently, it often speaks checksum error "No cpu installed, No cpu installed" on boot up, even when it boots normally ! Weird but there you go. However, recently I've been getting bad checksum errors & the CMOS resets to default. Tonight it said the cpu was 2300 MHz ! Have to change BIOS settings back to my normal settings each time & it then boots OK. When I change the cpu back checksum error boot in BIOS, the options are "3066 MHz" or "Manual". Can anyone advise here ? Could it be something as simple as a CMOS battery change (it's about 5 years old now) ? I hope it's not on it's last legs...... cheers swayzak More about : bad checksum error boot PC_Side_Line March 11, 2007 5:47:03 PM Bro, u forgot to remove ur pc from A/C during ur recent LIGHTNING strikes in your area! carzy things then happen. Invest in a UPS, u'll get less crazier things! 4Ryan6 a c 169 à CPUs a b V Motherboard March 11, 2007 6:50:43 PM Try changing the CMOS battery, and see if the problems go away. Related resources Help! CMOS Bad Checksum and Cursor Only on Boot - Forum Asus M2N68-AM Plus Bad BIOS Checksum Error - Forum CMOS Checksum error - Forum Checksum Bad - Forum CMOS/GPNU Checksum Bad K7S5a rev3.1 - Forum Can't find your answer ? Ask ! Get the answer nukemaster a c 229 à CPUs a c 194 V Motherboard March 11, 2007 6:53:18 PM EDIT 4ryan6 beat me to it!!!! Well if the battery does start to die then when the com