Cmos Checksum Error Vista
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Cmos Checksum Error Defaults Loaded
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2011 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
Cmos Checksum Error Defaults Loaded Solution
checksum 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 motherboar
The How-To Geek Forums Have Migrated to Discourse How-To Geek Forums / Windows XP Bad Bios checksum (How to Fix it) ??? (39 posts) Started 4 years ago by tech27 Latest reply from cmos checksum error defaults loaded keyboard unresponsive G41M Topic Viewed 20879 times 1 2 Next » tech27 Posts: 387 This post
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has been reported. So here's my problem guys... Recently I did a clean install of windows XP on my PC, everything goes smooth cmos checksum error evga and no errors. But after a day I use it and shut it down for an hour and when I return and turn my PC again this problem comes out... I have no idea why it happened, so http://www.pcworld.com/article/240331/troubleshoot_a_bios_or_cmos_checksum_error.html if anyone knows how to fix this I will gladly appreciate it... Btw.. I have some experienced on PC troubleshooting but sad to say it is my first time to encounter this problem and I have no idea how to fix it.. So please I really need your help guys.... Reports: · Posted 4 years ago Top Sarris Posts: 189 This post has been reported. Causes of CMOS Checksum Bad Error There are http://www.howtogeek.com/forum/topic/bad-bios-checksum-how-to-fix-it- usually three main reasons that a CMOS Checksum Bad Error occurs. They include: 1. CMOS Battery may not be functioning properly. The battery life may have expired. (it's probably this) 2. The user or a virus may have updated the BIOS. 3. 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). This is from tech-faq.com Also, please don't multiple post the same question. Thanks & good luck Reports: · Posted 4 years ago Top tech27 Posts: 387 This post has been reported. First of all... Sorry for doing multiple post but I didn't meant to do that because every time I post it says "404 Not found" hmmm... so what should I do first to solve this problem ???? Reports: · Posted 4 years ago Top tech27 Posts: 387 This post has been reported. BTW.. what does CMOS means ??? Sorry I had never encounter a bios problem before..... Reports: · Posted 4 years ago Top semiretired Posts: 1214 This post has been reported. Cmos equals continuous metal oxide semiconductor. It is the small disk battery found on your motherboard. It is usually a cr2032 that can be purchased at a
all is good, but when this goes wrong a Checksum Error is born. Checksum Error Symptoms A Checksum Error will occur at startup most of the http://wiki-errors.com/facing-a-checksum-error-with-your-pc/ time however, it can occasionally happen at a time of normal computing. When a Checksum Error https://blog.udemy.com/bios-checksum-error/ does occur there is a large pop up message that alerts you to the problem. If left unchecked for too long, further symptoms could include an inability to startup your PC properly. Checksum Error Causes The most common cause of a Checksum Error is a faulty battery. When this is the case, the motherboard of your PC is not being cmos checksum adequately supplied the power it needs to startup properly. Of course, it could also be that your PC has a virus problem or that your PC’s registry is corrupt and cluttered. Fixing a Checksum Error Fixing a Checksum Error needs to be done right away so the problem doesn’t intensify. You should first have your battery checked and make sure it is not going bad. If it is, you will have to replace it. This cmos checksum error is not a typical battery so be careful when locating and checking it. If the battery is okay then you will want to immediately run a virus scan: Steps: Start your PC in Safe Mode by pressing the F8 key during boot up. Double-click the anti-virus software icon on your desktop or tool tray. Select to scan the entire PC. Delete any and all viruses found. Restart your computer for changes to go into place and see if the problem persists. See Also Checksum Error - Tech-FAQ Checksum - Wikipedia, the free encyclopedia Troubleshoot a BIOS or CMOS 'Checksum' Error | PCWorld How To Fix CMOS Checksum Error - YouTube BIOS Checksum Error : It’s Not That Bad! - Udemy Blog 'Checksum error' and 'Decode operation failed when decoding ... CMOS CHECKSUM ERROR – DEFAULT LOADED – Kioskea CMOS Checksum Bad Error - Tech-FAQ HP and Compaq Desktop PCs - Error: CMOS Checksum Bad What is a Cmos Checksum Error and How Do You Fix it Personal tools Namespaces Article Search Our Products Main Page Applications .Net Framework Error AOL Browser Errors Installer Errors Internet Explorer Macro Errors Media Player MS Outlook Network Errors Outlook Express Windows Live Articles DLL Errors Exe Errors Ocx Errors Operating Systems Windows 7 Windows Others Windows Vista Windows XP TuneUp Tips Browser Tuneup Computer Tuneup Pages About Us Cat L
2014 by Alex Barbos A BIOS checksum error is one of the most common errors you can encounter when you build your own computer, perform a hardware upgrade or attempt to bring back to life a computer that hasn’t been used for a long time. If it sounds like a scenario that’s not very likely to happen to you, think again, as computers became so un-complicated that you don’t need to be working at NASA to know how to upgrade or even build one yourself; in fact, learning how to build your own computer is as simple as taking this online course, so the possibility of coming across a BIOS checksum error one day is higher than you think. The error indicates that the BIOS is incorrectly configured or corrupted, preventing the computer from booting normally; unlike operating system errors or software errors that occur after your computer is up and running, a BIOS checksum error will render it inoperable right after you power it on, so it’s no wonder this type of error can seem like something really serious. Fortunately, it is not as scary as it seems, and fixing it is quite easy. BIOS Basics In order to understand what triggers the BIOS checksum error, what the error means and how you can fix it, it is necessary to understand what the BIOS is and how it works. Simply put, the Basic Input/Output System, or BIOS, is a program that checks if all the components necessary for the computer to run are present; if everything is ok, the BIOS gives the processor the necessary instructions on how to proceed and load the operating system. Before the boot code in the BIOS is executed, though, the BIOS data is checked for authenticity by comparing one of its values, known as a checksum, against a value stored in a memory chip called CMOS; if the values match, it means that everything is working correctly, so the boot code is executed and the computer starts normally. However, if the checksums do not match, it means that something interfered with the BIOS, so the computer displays a BIOS checksum error and stops the boot process. Causes of BIOS Checksum Errors There are two scenarios that can trig