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Yes the CMOS battery needs to be changed. Then you can go into the BIOS and set the Date & Time. The CMOS/BIOS will be set back to the defaults when you remove the CMOS battery and this may fix your problems.
The simplest way to remove BIOS password is to simply remove the CMOS battery. A computer will remember its settings and keep the time even when it is turned off and unplugged because these parts are powered by small battery inside the computer called a CMOS battery. If we pull out this battery, the computer will forget alot of its hardware settings, including its BIOS password. This should not be performed on Laptops if you are not experienced working with laptop hardware. If that doesn't work,you'll need a bios/cmos password recovery tool from http://www.biospasswordrecovery.com
Dear john, replacing CMOS Battery usually RESET password ( plug out your laptop battery,then plug out the CMOS battery. keep it out for 5 minutes.) After 5 minutes by, put back on the CMOS battery. put it back all together. laptop battery the last one. On the first boot you need to set the time and date. or by pass it by pressing ESC. >> If your Operating System goes >>> right click on clock task bar >>Adjust Date/Time >> set as you wish >> apply >> ok >>>RESTART your unit.
sometimes there will be a compartment that can access the cmos battery sometimes not. This guide will show you in pic # 4 what the cmos battery looks like. If you look around the sit for a while you may find your specific laptop. I just don't have the time to look now. Hope this helps. http://www.insidemylaptop.com/take-apart-dell-studio-1537-laptop/
The BIOS battery keeps the Date and Time correct, if the battery is flat the date and time will be wrong or you will get an error date and time error. You need to replace the battery with a new one. Your friendly computer shop can help you if you don't know how to change the battery.
Assuming that you used the correct battery go ahead and unplug and replug the cmos batter back into its connector.
Go into the BIOS and set the date and time properly. Then unplug the battery and save the changes and exit.
See if the message comes back, if it doesn't then your good to go. If the message still comes back then the motheroard isn't keeping memeory at all.
Go ahead and shut off the machine for about 15 minutes. Then only plug the ac adapter up and hopefully the message stays away. If it does then that means the battery is good and your motherboard is good as well.
if you leave it off and then turn the laptop on and that error message comes back then you need to change out the motherboard.
Boot to system system BIOS, reset defaults, save settings and reboot, see if the error goes away. If so, then the reserve battery on the mothebroard is bad. If no change, then reseat the Hard Drive, and try again. If still no change, a HDD replacement is likely
get to the main board of ur system there is a jumper near the battery . change its position while power is off and get it back to its previous position. this way u will reset cmos to default. if the computer starts hit delete to enter setup and load system defaults.save changes then exit.
ps: defected processor could be the cause