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Functions of bios.

What are the main functions of bios on the mother board and cmos baterry ?am James in Ghana.

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  • ashongjames Apr 23, 2009

    sorry i was clicking on the yes



  • ashongjames Apr 23, 2009

    into details, and please what is the process of installing windows xp or vista on the pc?


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The bios tells the computer everything from start specs how many drives you are running to when to turn the pc off if there is a problem hope this helps regards James from new zealand

Posted on Apr 23, 2009

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1 Answer

Reset cmos/bios


I would usually search the manufacture website for the mother board specs and FAQ's. Usually incorrectly setting the cmos/bios and rebooting fails several times, it will reset to the manufactures default settings. I have needed to use another monitor if the PC has more then 1 VGA or higher def port to see what the messages are reporting. There are other control and function key combos, varies by manufactures.

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Main Bios Checksum Error!!!


Take notes of the BIOS settings of your computer for use after replacing the CMOS battery.

To access the computer's BIOS, restart your computer and press the "F 10" function key during the restarting process.


The BIOS configuration panel will then open and you can write the specific settings for your computer down to use for BIOS configuration after replacing the battery.


Turn off your computer and remove the power cable and if installed, battery.

Remove the computer hatch which will vary in method depending on the brand and model of computer you have.


On some motherboards cmos batteries are soldered in


Locate the CMOS battery on the motherboard.

The more popular model of CMOS battery used is annotated with a CR2032 label and is a round shaped button.


Firmly remove the CMOS battery from the motherboard.

Align the new CMOS battery with the positive side orientated towards you and insert into the mother board.


Restore the power cables to your computer and restart the PC.

During the restarting process, depress the "F10" function key to enter the BIOS setup screen.


Update the date in the BIOS and change the BIOS settings to match those you recorded in step one.


After the settings are updated, select the "Save and Quit" menu option and restart your computer to finish the CMOS battery replacement.


hope this helps




Sep 23, 2012 | Computers & Internet

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Hp EliteBook discontinued from workplace, need bios administrator master password. Model 6930p s/n: 2CE910FDBF SERVICE TAG: E6930pUP8400W4X12MINNNN20QeS


hi!
this is how to bypass CMOS SETUP password

*open the cover of you laptop,
*remove the cmos 3v baterry.
*remove the main battery
*push the power button for 10 sec.
*wait for 5 to 15 minutes
*put back the cmos battery and connect the main battery
turn on your computer and enter to cmos setup

Jul 08, 2011 | HP Computers & Internet

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Blue screen when left idle for period of time


Ouch, the Blue Screen of Death most likely. This can mean a lot of different problems, mainly in the hardware, either your C.P.U. is overheating, or your C.P.U., Mother Board or CMOS/BIOS has a short circuit. It can also mean your Hard Disk Drive is damaged. But you're here for solutions, not reasons:
1) Backup all your data from your Disk Drive in any method you can, then format your Disk Drive and reinstall everything.
2) Get a new computer, sounds harsh and expensive,but if the problem lies on the hardware, it will not be easily or cheaply repairable (if at all). A new C.P.U. is almost as expensive (if not more) than a new computer, a new Mother Board might not be compatible with your current hardware (HDD, RAMs, ROMs,etc) and the CMOS/BIOS is irreplaceable (embedded in the Mother Board). So buying a new computer might actually be cheaper.
3) Get a new Disk Drive, install everything in it,copy the data from the old Disk Drive and use the new one as your main Disk Drive. This is recommended only if the problem is found directly to be in the Disk Drive.

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1 Answer

Reset password


All mother board has a CMOS, complementary metal oxide semiconductor, battery. The main purpose for the CMOS battery is to store the system time, date and bios settings even if the computer is turned off or the main battery dies.

Turn off the computer (laptop) unplug it. Remove the Phillips screws that secure the motherboard cover then release the cover from the clips on the bottom of the plastic casing. Lay the cover aside then locate the CMOS battery cable on the right side of the motherboard. Unplug the cable then remove the battery. After a few minutes plug the CMOS battery into the motherboard... Replace the screws then turn the computer (laptop) back over. The CMOS battery is unplugged for more than a few minutes your BIOS will be reset to the default manufacturer settings.

Apr 20, 2011 | Computers & Internet

1 Answer

How to chang bios settings password intel Dg43nb board i m loss my bios password


All mother board has a CMOS, complementary metal oxide semiconductor, battery. The main purpose for the CMOS battery is to store the system time, date and bios settings even if the computer is turned off or the main battery dies.
Turn off the computer (laptop) unplug it. Remove the Phillips screws that secure the motherboard cover then release the cover from the clips on the bottom of the plastic casing. Lay the cover aside then locate the CMOS battery cable on the right side of the motherboard. Unplug the cable then remove the battery. After a few minutes plug the CMOS battery into the motherboard... Replace the screws then turn the computer (laptop) back over. The CMOS battery is unplugged for more than a few minutes your BIOS will be reset to the default manufacturer settings. (Password removed) now you can set new password for your bios..

Apr 20, 2011 | Office Equipment & Supplies

2 Answers

My ga-81915me main board canot power on, power suplly is work good


If its Under Warranty Period then try to claim the Warranty .


Or

Else you have to give it to a Service Center


Hope This Helps

Jan 29, 2011 | Gigabyte GA-8I945P-G Motherboard

3 Answers

648FX-A motherboard from EliteGroup


Hi,

Turn the computer off and remove the mains power lead. Open the case of the computer and expose the motherboard. Take out the BIOS battery for 10 minutes. The battery looks like this >>>>>
90b6d95.jpg

There also maybe a small plastic jumper next to the BIOS battery if you look close enough it should say CLR_CMOS under it. Move the plastic jumper to the other position and push the on/off button, that will clear the CMOS.

If there isn't don't worry, just leave the BIOS battery out for 10 minutes then put the battery back in. Close the case up and the BIOS password should be cleared.


Regards.

Jul 16, 2010 | EliteGroup 648FX-A Motherboard

1 Answer

I changed bios password on 4005


i'll try make it simple..disconnect all input mains power sources.."just remove or pick open the cmos battery (+3v) from the main/mother board and resit/fit it again carefully"..
configure bios again..save n exit n restart..hope it'll work..
always better to hv professional supervision, contact ur system admin/vendor....

Nov 01, 2009 | Acer Ferrari 4005WLMi Notebook

1 Answer

Unable to save date in m/b bios


make sure your using new cmos battery not yet been use and then set date in your bios and save it after finish.
still doesn't work?
try update your cmos that migth be the problem note! remember always take care of the risk on updating flashing cmos on power interuption never power off if still flashing. or if you update and flush it before it might be a bad flash of your cmos try bring it up to early state or restore your backup cmos firmware or download it to its main manufacture

Jun 30, 2009 | MSI 945GCM5 Motherboard

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