Causes Checksum Error Cmos
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the CMOS Checksum Bad Error, hence they can be handled effectively. The Error Explained A checksum is computed as cmos checksum error defaults loaded an error detecting code to guard the BIOS settings stored in the
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CMOS memory. The CMOS Checksum Bad Error is an error that occurs when the CMOS values turn out
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to be incorrect. The CMOS memory stores a specific value normally to guard the BIOS software. Each time the computer is booted, this value, which is a number is
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checked against the stored value in the CMOS memory. If these two values are different, it causes a CMOS Checksum error message. If these values are the same, the computer boots normally. Each computer usually deals with the CMOS Checksum Bad Error differently. Some computers warn the user and continue to boot up using settings in the CMOS, while other cmos checksum error defaults loaded solution computers might warn the user and use the default settings in the BIOS as the correct settings and carry on with a normal boot or reboot. Usually, the strategy the computer employs is stated in the error message. Causes of CMOS Checksum Bad Error There are usually three main reasons that a CMOS Checksum Bad Error occurs. They include: CMOS Battery may not be functioning properly. The battery life may have expired. The user or a virus may have updated the BIOS. The computer may not have been shut down properly e.g. shutting off the computer's main power without first shutting down the computer (MS Windows requires the computer to be shut down before the power is shut off). Solutions to CMOS Checksum Bad Error The CMOS Checksum Bad Error can be fixed easily by following the listed steps carefully. CMOS Battery May Not be Functioning Properly If the user suspects that the CMOS battery is not functioning properly, he/she can easily change it. Before changing the battery, reboot the computer to make sure that the error still
computer's data is intact and unhampered. The data is scanned and tested for accuracy, either based on how well it relates to data cmos checksum error defaults loaded keyboard unresponsive elsewhere or based on previous data that was stored on the same computer. cmos checksum error defaults loaded diskette drive 0 seek failure Essentially, all of the bits of data in a particular document or file are added up and a number cmos checksum error evga or hash is created. This number or hash can then be compared to the number or hash generated from the same file on another person's computer or at a previous time on the http://www.tech-faq.com/cmos-checksum-bad-error.html same computer. When does a Checksum Error Occur? Although a checksum error can occur at any time while a computer is comparing data, it is most commonly present during a computer's startup procedure. During a computer's start up processes, the BIOS settings, which are stored in a CMOS memory chip, are computed and then checked against the previous value. If the computed values do not http://www.tech-faq.com/checksum-error.html match exactly, the computer warns the user with a checksum error message that the data may have been changed or corrupted between start up cycles. All BIOS programs present a different error and therefore will either continue with booting or refuse to boot until the problem is corrected. Depending on the type and the severity of the error generated, there may be one of a variety of ways to rectify the issue. The most common cause of a checksum error during the startup process is a faulty battery that is not providing sufficient power to the motherboard when the computer is off. However, motherboard malfunctions and viruses can also contribute to checksum errors. Other Types of Checksum Errors Another type of checksum error may occur with any program at any time. It is usual for many programs to now provide checksum information when that program is downloaded. Using a checksum program or MD5 hash checker, a user can quickly compare the checksum of a downloaded program with the checksum that the software developer provides. This is a common way to make sure that users are downloading the proper program and that no d
Subscribe to our newsletter Search Home Forum Ask a question Latest questions Windows Mac Linux Internet Video Games Software Hardware Mobile Network Virus Café How To Download Ask a question Windows Software Mac Software http://ccm.net/faq/618-cmos-checksum-error-default-loaded Linux Software Android Apps BlackBerry Apps iPhone Apps Windows Phone Apps News Encyclopedia Home How To Hardware BIOS CMOS CHECKSUM ERROR - DEFAULT LOADED Ask a question USESFRITBR September 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 related to BIOS and may checksum error 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. The CMOS checksum error - defaults loaded should be cmos checksum error 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 your motherboard to change it or have the nearby computer technician change it for you if you do