Question about Asrock 775i65G Motherboard

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How to connect cmos cables for this motherboard series?

While starting up the computer it displays cmos settings is wrong on bios screen. I don't know what to do kindly help me.the computer gets restarted often,i assume the problem is of cmos settings only.

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The date and time are incorrect. The CMOS battery may need changing unless you haven't set the date and time.

Press either F2 or Delete on boot.

Posted on May 10, 2010

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Posted on Jan 02, 2017

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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

3 Answers

CMOS error


This error is not the same as a CMOS Checksum Error, which refers to corrupted values of the CMOS settings, the ones you set through the BIOS setup program. This error means the contents of the BIOS code itself are damaged.

Diagnosis: The BIOS ROM chip on the motherboard is probably faulty. It could also be another component on the motherboard.

You should make sure that all of the BIOS settings in the system are correct, by rebooting the system, going into BIOS setup and double-checking all the values (hopefully against a recent hardware or software change


If you have reset the CMOS memory you need to go into the BIOS setup screen and reconfigure the BIOS. To do that you need to press a key while the computer is booting. Usually F2 but can be other keys. It should tell you on the bottom of the first screen which key to press to enter BIOS setup.

If you don't know the settings you should be one for optimal defaults - use that one. You will also need to reset the time and date.

In the main or system setup screen you should be able to see the date and time

Using your arrow keys navigate to the date and change the date.

Once highlighted on the month, day, or year, press your arrow keys or your page up / page down keys to change the date.

Save, Exit and re-boot and everything should then work.

During the boot process you will see on the screen to press delete to enter setup
Press and hold delete during the boot up process to enter BIOS you can load failsafe defaults or load optimized defaults ,press escape then press f10 to save to cmos to restart

hope this helps you

Dec 07, 2011 | Intel Desktop Board DH61WW Classic Series...

1 Answer

I don't know my security code


if you are referring to a password protected hard drive

When you boot up to the log in screen type in administrator as user to log in if you cant log in

during the boot up process you will see on the screen for a short amount of time press a certain key to enter set up press and hold that key during the boot up process to enter BIOS scroll down to set user password or supervisor password you can change or remove your password from there

also

The most common way that we know on how to reset or clear the BIOS password is to physically remove the power from the computer by disconnecting the power plug and then removing the Cmos battery for 30 minutes from the motherboard. Another way is to reset the clear CMOS jumper on the motherboard itself. Both of the 2 methods mentioned works because most motherboards use a battery to sustain the BIOS/CMOS settings for the motherboards PROM chip. So by cutting off cmos the battery power, the BIOS/CMOS settings will be erased.

cmos battery Under the keyboard or bottom of laptop - If you are working on a laptop computer the location of the dipswitch (almost never a jumper) can be under the keyboard or on the bottom of the laptop in a compartment such as the memory compartment. Although on some motherboards the Cmos battery is soldered in Hope this helps you

Sep 13, 2011 | Computers & Internet

2 Answers

I don't have a password for the set up utility screen!


BIOS password to enter set up?

When you boot up to the log in screen type in administrator as user to log in if you cant log in

during the boot up process you will see on the screen for a short amount of time press a certain key to enter set up press and hold that key during the boot up process to enter BIOS scroll down to set user password or supervisor password you can change or remove your password from there


if no luck with this

The most common way that we know on how to reset or clear the BIOS password is to physically remove the power from the computer by disconnecting the power plug and then removing the Cmos battery for 30 minutes from the motherboard. Another way is to reset the clear CMOS jumper on the motherboard itself. Both of the 2 methods mentioned works because most motherboards use a battery to sustain the BIOS/CMOS settings for the motherboards PROM chip. So by cutting off cmos the battery power, the BIOS/CMOS settings will be erased.

Hope this helps you

Sep 07, 2011 | HP Computers & Internet

1 Answer

I don't know my security code


When you boot up to the log in screen type in administrator as user to log in if you cant log in

during the boot up process you will see on the screen for a short amount of time press a certain key to enter set up press and hold that key during the boot up process to enter BIOS scroll down to set user password or supervisor password you can change or remove your password from there

also

The most common way that we know on how to reset or clear the BIOS password is to physically remove the power from the computer by disconnecting the power plug and then removing the Cmos battery for 30 minutes from the motherboard. Another way is to reset the clear CMOS jumper on the motherboard itself. Both of the 2 methods mentioned works because most motherboards use a battery to sustain the BIOS/CMOS settings for the motherboards PROM chip. So by cutting off cmos the battery power, the BIOS/CMOS settings will be erased.

hope this helps you

Aug 26, 2011 | Computers & Internet

1 Answer

My laptop HP ProBook 4510s prompt computer open password befor going to BIOS or OS. And i don't know what is the password? So how can i reset the password to boot the computer.


When you boot up to the log in screen type in administrator as user to log in if you cant log in

during the boot up process you will see on the screen for a short amount of time press a certain key to enter set up press and hold that key during the boot up process to enter BIOS scroll down to set user password or supervisor password you can change or remove your password from there

also

The most common way that we know on how to reset or clear the BIOS password is to physically remove the power from the computer by disconnecting the power plug and then removing the Cmos battery for 30 minutes from the motherboard. Another way is to reset the clear CMOS jumper on the motherboard itself. Both of the 2 methods mentioned works because most motherboards use a battery to sustain the BIOS/CMOS settings for the motherboards PROM chip. So by cutting off cmos the battery power, the BIOS/CMOS settings will be erased. Hope this helps you

Jul 25, 2011 | HEWLETT-PACKARD 574508-001 - Original HP...

2 Answers

Bios rom checksum error


The CMOS setup has gotten corrupted. This may have happened if the 3 Volt coin battery on the motherboard is low. If your date and time is wrong, that is a clue the battery needs to be replaced.

If you have a voltmeter, check the voltage on the coin battery. It should be 3V. If it's much less that that, it must be replaced.

Whether or not the battery is bad, you will still have to enter SETUP when you boot the computer after replacing the battery. At boot, it usually displays what key to press to enter setup (DELETE, F2, etc. )

There are several menu screens which you must ensure are correct, according to the hardware installed on your computer.

If this is too daunting, take it to a computer repair place, and they can do it for you.

Good luck!

Jul 13, 2011 | Compaq Computers & Internet

1 Answer

My MOBO is ASUS P4VP-MX. My bios fails to start. I reset my pins for bios the computer will run but when I restart again it will gave message that that BIO checksum failed. Is this a battery failure. I...


This error is not the same as a cmos Checksum Error, which refers to corrupted values of the CMOS settings, the ones you set through the BIOS setup program. This error means the contents of the BIOS code itself are damaged.

Diagnosis: The BIOS ROM chip on the motherboard is probably faulty. It could also be another component on the motherboard.

You should make sure that all of the BIOS settings in the system are correct, by rebooting the system, going into BIOS setup and double-checking all the values (hopefully against a recent


If you have reset the CMOS memory you need to go into the BIOS setup screen and reconfigure the BIOS. To do that you need to press a key while the computer is booting. Usually F2 but can be other keys. It should tell you on the bottom of the first screen which key to press to enter BIOS setup.
If you don't know the settings the should be one for optimal defaults - use that one. You will also need to reset the time and date.
Save, Exit and re-boot and everything should then work.
During the boot process you will see on the screen to press delete to enter setup

Jul 02, 2011 | Intel ASUS X Series Motherboard P4VP-MX...

2 Answers

Hi im trying 2 reset my bios but carnt get in there i need 2 know what on and off pins on the board i can take off and where r they located


During the boot process you will see on the screen to press a certain key to enter setup
Press and hold that key during the boot up process to enter BIOS
after you make any changes in BIOS press Esc then press the F10 button save to cmos to restart
cmos is located in BIOS

Almost all motherboards contain a jumper that can clear all CMOS settings along with the BIOS password. The location of this jumper varies depending upon the motherboard brand. You should read your motherboard manual to check its location. If you don

Mar 25, 2011 | Acer Computers & Internet

1 Answer

AFTER SWITCHING ON, SCREEN STAYS FROZEN AFTER SAYING CMOS CHECKSUM ERROR- DEFAULTS LOADED


Hi there,

When starting your PC, the following 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 contain data related to the BIOS, has been reinitialized and that your PC has been reset to factory settings.

Solutions:

Reinitializing the BIOS
  • Change BIOS battery
    • If the problem persist this may be due to the fact that the battery powering the CMOS (when the computer is shut down allows the CMOS to store information), is depleted.
    • The CMOS battery is a small pin found on the mother board, 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)
Post back if it is not working we will be happy to help you.
Hope this helps.
Cheers!!!!

Jan 12, 2011 | Sharp Actius PC-RD10 PC Notebook

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