Why does my computer say "checksum error press F1" whenever i boot up? How do i fix it?
93211
The cause is obvious!  your CMOS battery has ran out!!you should buy and replace the backup battery of your CMOS (Usually on mother board).Your computer can not keep CMOS data and also the built in real time clock of your mother board does not work any more.and the solution is just replacing the battery with a new one.
674152
If its a missing file that keeps popping up when you boot your system...and you no longer want that error showing again....go to "start".."run" and type in msconfig  then click above on start up...uncheck that file and any other file associated with that game. Your system will prompt you to reboot...when it boots back up it will prompt you with another message...just click the bottom left side...saying do not show me this message again...and your problem is resolved.\n\nGood Luck
989510
Just restart your computer and hit F8 repeatedly until you get a windows menu.  That menu should give you an option to boot up in safe mode.
563911
ah newbies :-)\n\nif you dont have anything valuable on your Disk, boot up your computer in Dos prompt or Comamnd Prompt or Safe made then open Command Prompt.\n\nWhen your in there run the command \n"Chkdsk" this will scan your C drive for errors.\n\nif it still doesnt work try "fdisk". Its another utility to help "seperate" them. \n\nIf your not comfortable playing around with your computer, start it up regualry, right click C: (or w/e hard drive) Properies tools, Check for Errors or something along those lines it should be under Defragmat. \n\nCheck "fix automatically" \nIt will say "its in use check disc next time the system rebbots"  click yes\n\nnow reboot, you can expect you computer to be doing this for at least an Hour.\n\ngood luck
462369
TRY RE-BOOT WITH DISK ERROR CHECK AND SEE IF THAT HELPS
208512
double type is probably memory (ram) too low because not enough,at least 512 not shared by graphics on board MB is nominal,floppy issue is not important because operating system does not utilize to run programs,is save only or older programs upload.if do not need floppy initially ,boot,do the f key row to access bios,usually 4 7 9 11 depends on system,push all at boot.at bios go to BOOT SEQUENCE and select cd or dvd drives as first boot,and floppy as turned off.reboot and decide if okay,run program such as www.iolo .coms system mechanic trial to clean up system,free memory and give analysis,or tell me i am of rack and missed question,good luck.......
674983
Have you done the regular maintenance stuff? Delete temp files (disc cleanup) and defrag? I would do that first. \nThen I would do another check by going to my computer, right click on C drive, click on tools, then check error checking check now. It won't do it until you restart. If that does not fix your computer then I would do the system restore.\n\nI would also run a spyware program to make sure you are not full of cookies.\n\nGood luck!
689311
You probably need a disk clean up, go to start, run type "cleanmgr" click ok then ok again
804775
First try going to safe mode then shut down and restart. While in safe mode scan for virus and spyware. Next try a system restore.\nIf that doesn't work go to the website below to look for a restore disc.
437077
Corrupt boot file, if you are running XP then try using repair on it by booting from CD.
879274
reinstall, upgrade to ME or XP\ntry start>run>sfc
50950
As already suggested, the hard drive is a likely candidate.  If you have Windows XP installed, try booting from your windows installation disk.  (You may have to change your BIOS settings so tha the CD drive is first in the boot sequence and the hard drive is second.)  When the setup screen displays, choose the Repair option.  This will take you to the Recovery Console.  Then run "CHKDSK c:" and see if reports errors.  If it does, you may be able to repair it using "CHKDSK c: /r".   You could also try the diagnosic program that came with your hard drive (or can be found on the manufacturers site).\n-------------------------\nDid you try the "repair" option on the installation screen (I think "R" instead of "enter") and then CHKDSK as described above?
110592
Sounds like you have the chkdsk command in your startup folder or you have it in your scheduler program to run at windows startup. Also you did not specify which windows version you are running.\nHowever if you logout and the login again does it do another checkdisk?\nIf it ran before widows desktop started then I would say you have errors on your hard drives.
649935
Try to do a fresh install on the computer. If anything something is causing that to happen. If it got corrupted then it might have been with an interferiance with something on the computer. Or possibly a sector went bad? I had that happen to my HD. But a clean install wont hurt you.
48395
Have you installed any new hardware or software after which the problem started occuring.  You can probably try using the Safe Mode booting option to verify it.  In order to boot into the safe mode, follow the steps mentioned below:\n\n1.Restart your computer and start pressing the F8 key on your keyboard. On a computer that is configured for booting to multiple operating systems, you can press the F8 key when you the Boot Menu appears.\n2.Select an option when the Windows Advanced Options menu appears, and then press ENTER.\n3.When the Boot menu appears again, and the words "Safe Mode" appear in blue at the bottom, select the installation that you want to start, and then press ENTER.\n\nAfter booting into the safe mode, uninstall any new software that you may have installed or revert the system to the last stable operating point using the System Restore feature (Start > All Programs > Accessories > System Tools > System Restore.\n\nIf you are unable to boot in the safe mode, probably there is some hardware issue.  Check whether the computer fans are working.  Open the computer cabinet and check if there is any dust or dirt clogged in the fan.  Switch off the computer and try cleaning it.  If nothing works, call tech support for your computer manufacturer.
157951
Hi, I think that a virus has got into your pc and corrupted system files, I would suggest that you back-up your data and reboot the system. That should solve the problem, the other idea is to scan your hard drive for errors with check disk.
475189
most likely if it says the checksum is bad then i would think the battery could be the issue..