Cmos Checksum Error Hard Drive Not Detected
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Cmos Checksum Error Keyboard Not Working
sai351 June 29, 2010 at 16:54:35 Specs: XP Pro, AMD Athlon 64 3200+ My brother needed to format his computer and had to access his BIOS to change the boot priority but he had a
Cmos Checksum Error Press F1 To Continue
password he didn't remember. He removed his BIOS battery for an hour and replaced it but now he's getting a CMOS Checksum error and his hard drive is not being detected.His optical drives are EIDE and are being detected but the SATA hard drive is not. He tried moving the SATA cable to different ports on the motherboard and tried using multiple MOLEX power connectors.He also tried using a new cmos checksum error dell battery and loading the default BIOS settings but nothing's working. Any thoughts?Windows XP Pro SP2AMD Athlon 64 3200+ 2.0GHZ Venice CoreGigabyte GA-K8N-SLI Motherboard1GB Geil DDR400 Dual ChannelATI Radeon X800 GTO Fireblade Edition 256MB DDR PCIE See More: CMOS Checksum, HD not recognized Report • #1 jefro June 29, 2010 at 17:27:29 Might be a good start here. http://www.pcguide.com/ts/x/sys/boo...I support the 'Everybody Draw Mohammed Day'. A religion doesn't deny my freedom. Report • #2 jam June 29, 2010 at 17:58:10 1st of all, you don't have to remove the CMOS battery for an hour...you only have to remove it for a few seconds. Or better yet, use the ClearCMOS jumper. The trick is, the power cord MUST be unplugged. Hopefully you (or your brother) are familiar enough with the BIOS to be able to reconfigure the settings. You'll most likely take a performance hit if you simply load the defaults.2nd, WinXP doesn't natively support SATA drives & won't recognize the HDD unless you do one of 3 things:1. enter the BIOS & change the SATA controller setting from ACHI to IDE mode. Then once XP is installed, you can install the SATA drivers, then go back into the BIOS & re-enable ACHI2. if that's not an option, you'll need to lo
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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 Linux Software Android Apps BlackBerry http://ccm.net/faq/618-cmos-checksum-error-default-loaded Apps iPhone Apps Windows Phone Apps News Encyclopedia Home How To Hardware BIOS http://www.tech-faq.com/cmos-checksum-bad-error.html 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 have been reinitialized. It may also be possible to fix cmos checksum 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 your PC, the following cmos checksum error 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 error Cmos error Lost BIOS password - Rese
the CMOS Checksum Bad Error, hence they can be handled effectively. The Error Explained A checksum is computed as an error detecting code to guard the BIOS settings stored in the CMOS memory. The CMOS Checksum Bad Error is an error that occurs when the CMOS values turn out 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 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 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 exists. If it does, go into the CMOS and write down all of the settings. If all the settings are lost, they can usually be retrieved from the computer manufacturer. Now locate the battery and remove it. Consult the computer manual or technical support to remove your battery (the battery is flat, shiny silver colored, and coin-shaped) if needed. Take down the CMOS battery’s information such as volt, size, etc. Replace the old battery with a new one and reenter the CMOS settings. If the battery caused the CMOS Checksum Bad Error, the problem should be solved. The B