Question about ASUS M2A-VM Motherboard

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Bios was flashed will not post to bios. Will new cmos battery reset bios?

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  • 3lsml470 Sep 12, 2010

    Board was ok before flash.

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Hi no this board is now u/s any problems flashing a bios will make the board unusable, due to the fact is, it requires the bios for start up if that is corrupt you have no choice but to get another board, changing the battery will only put the bios back to default if it was ok, it will not do it if it is corrupt, sorry but thats the way it is

Posted on Sep 12, 2010

  • steve morris
    steve morris Sep 12, 2010

    but it wont be now...you cannot change the bios on boards any more like we used to be able to, now they are soldered on and once is has been flashed wrong its U/S.....you are quite welcome to ask another expert but i am afraid you will get the same answer, i do know that these come with a backup bios system where if you over clock it and it then does not boot, after the 3rd boot it will reset the system to where it used to be, but this will not work if the bios is u/s

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Laptop does not turn on after bios update


Try setting the BIOS to default, then rest the settings.

You can try to re-flash the BIOS version just before the latest version.

The Wz number you posted does not match a 655.

Read the manual carefully about how to flash the BIOS.

Look in manual for clearing CMOS, if you have it, clear CMOS, set BIOS to default, and reset, if this does not work, re-flash the next to oldest BIOS version, if you have (example) F23, then flash to F22.

Dec 06, 2012 | HEWLETT-PACKARD HP ProBook 6550b Notebook

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I purchased a ProBook 4415s at an FDIC Auction froma failed bank. I got it home, they come with no hard drive, slipped in a new drive and BANG - BIOS Password, I have not found a method to remove it yet. ...


The process of removing a BIOS password is long but not impossible. I've tailor made a solution fit exactly for your predicament.

Important (Please read befor you proceed)
Whichever method you choose when flashing, the BIOS not only the password, but also all the other configuration data will be reset to the factory defaults. So when you are booting for the first time after you have flashed the BIOS, you should enter the CMOS configuration menu and fix up some things. When you boot Windows, it may happen that it finds some new device, because of the new configuration of the BIOS, in this case you'll probably need the Windows installation CD because Windows may ask you for some external files.

WARNING!!! Make sure your laptop is unplugged before opening it up. Ground yourself before handling any components inside a PC to reduce the risk of electrostatic discharge.
If you don't know how to configure your BIOS, don't mess with it. You can damage your PC!! Rather get a qualified technition to hep you.

There are a few ways to reset the BIOS password as listed below.

•Using a manufacturers backdoor password to access the BIOS.
•Reset the CMOS using the jumpers or solder beads.
•Removing the CMOS battery for at least 10 minutes.
•Using a professional service.

Standard BIOS backdoor passwords
The first and easiest way to bypass a BIOS password is to try one of these standard manufacturer's backdoor passwords:

AWARD BIOS
AWARD SW, AWARD_SW, Award SW, AWARD PW, _award, awkward, J64, j256, j262, j332, j322, 01322222, 589589, 589721, 595595, 598598, HLT, SER, SKY_FOX, aLLy, aLLY, Condo, CONCAT, TTPTHA, aPAf, KDD, ZBAAACA, ZAAADA, ZJAAADC, (eight blank spaces), ALFAROME, ALLY, ALLy, aLLY, aLLy, aPAf, award, AWARD?SW, AWKWARD, IOSTAR, CONDO, condo, d8on, djonet, J256, J262, j262, j322, j332, J64, LKWPETER, Lkwpeter, PINT, pint, SER, SKY_FOXSYXZ, SKY_FOX, syxz, SYXZ, TTPTHA, ZAAAADA, djonet, %øåñòü ïpîáåëîâ%, %äåâÿòü ïpîáåëîâ%

AMI BIOS
AMI, A.M.I., AMI SW, AMI_SW, BIOS, PASSWORD, HEWITT RAND, Oder, AAAMMMII, AMI?SW, CONDO, LKWPETER, MI, PASSWORD.

Other passwords you may try (for AMI/AWARD or other BIOSes)
LKWPETER, lkwpeter, BIOSTAR, biostar, BIOSSTAR, biosstar, ALFAROME, Syxz, Wodj

Note: Remember that passwords are Case Sensitive. The last two passwords in the AWARD BIOS list are in Russian.

Phoenix Backdoor BIOS Passwords
BIOS, CMOS, phoenix, PHOENIX

Other Manufcaturers Backdoor Passwords: (manufacturer name - password)
VOBIS and IBM - merlin
Dell - Dell
Biostar - Biostar
Compaq - Compaq
Enox - xo11nE
Epox - central
Freetech - Posterie
IWill - iwill
Jetway - spooml
Packard Bell - bell9
QDI - QDI
Siemens - SKY_FOX
SOYO - SY_MB
TMC - BIGO
Toshiba - Toshiba

If you have access to MS-DOS
You can reset the BIOS to its default values using the MS-DOS tool DEBUG (type DEBUG at the command prompt. Do it in pure MS-DOS mode, not from a MS-DOS shell window in Windows). Once you are in the debug environment enter the following commands:

AMI/AWARD BIOS
O 70 17
O 71 17
Q

PHOENIX BIOS
O 70 FF
O 71 17
Q

GENERIC
Invalidates CMOS RAM.
Should work on all AT motherboards
(XT motherboards don't have CMOS)
O 70 2E
O 71 FF
Q

Note: The first letter is a "O" not the number "0". The numbers which follow are two bytes in hex format.

Resetting BIOS via hardware (CMOS jumpers and CMOS battery)
If you can't get into Windows and the standard backdoor passwords didn't work then you will need to flash the BIOS via the motherboard's hardware.

NOTE: Please read the important note at the begining of this section before to try any of these methods.

Using the jumpers to reset the BIOS password and settings
The best way to flash the BIOS via hardware is to plug, unplug, or switch a jumper on the motherboard, (if the jumper is normally on position 1-2, you have to put it on position 2-3, or viceversa). The 3-pin jumper should near the power supply on the motherboard, typically labeled "clear cmos" or "reset bios". To find the correct jumper you should read the motherboard's manual.
slasher_x_45.jpg
Once you've located the correct jumper, switch it (or plug or unplug it, depending from what the manual says) while the computer is turned OFF. Wait a couple of seconds then put the jumper back to its original position.
If after flashing the BIOS, the computer won't boot when you turn it on, turn it off, and wait some seconds before to retry.

Removing the CMOS battery
If you can't find the jumper or if it doesn't exist, you can remove the battery that keeps the BIOS memory powered. It's a button-size battery somewhere on the motherboard.

The laptop CMOS battery is shown below.
slasher_x_47.jpg
Disconnect it for 15-30 minutes or more, then reinsert it and the data in the BIOS memory should be reset. If at first it doesn't work, try to remove the battery overnight. Once the battery has been reinserted power up the PC and see if the reset was successful.

Feb 23, 2011 | HEWLETT-PACKARD Hewlett Packard HP ProBook...

1 Answer

I have a Soya SY-7VCA mobo that hasn't been used for about 6 years. Upon bootup, I received a CMOS checksum error message, but was still able to load a copy of Windows 98SE that I had on floppy. After...


Probably your BIOS battery, replace that and setup you BIOS again and it should be fine. BIOS batteries look like little round watch batteries.

Any more questions just let me know.

Thanks
John

Feb 14, 2011 | Soyo SY-7VCA Motherboard

2 Answers

Having trouble having to reset the date each time I start the puter. I've replaced the battery twice in the last 3 weeks so that's not the problem. I keep getting CMOS error. Help?


pop out your battery and replace it with a new one and reset your bios by changing the jumper to the next position that is covering pin 2 and 3.... and set the time in cmos...... you are there.... pls vote if you like this solution.....

Jun 16, 2010 | EliteGroup K7S5A Pro Motherboard

2 Answers

I installed wrong version of bios. im attempting to erase the info in the bios, by removing any battery, directly attached to the motherboard. my laptop is a toshiba m35x s114. i have totally disassembled...


Hi,

Thanks for using fixya!

You have a serious problem there my friend. Once you flash the bios. Data is being written to the bios chip and the old data is being deleted. I have checked the motherboard details for Toshiba m35x series and found out that it doesn't have a backup bios available. Your laptop will not POST (power on, self test) because it doesn't have the right BIOS. You will need to bring your laptop to Toshiba and have the bios re flashed with the correct BIOS.

I hope you get this sorted out..
Have a great day.
- HotRatchet

Jul 26, 2009 | Computers & Internet

1 Answer

MY PC HAS BOOTING PROBLEM


Hi bridey28, when you replaced the cmos battery & the bios did not maintain the correct time than the cmos is not at fault. More likely its your power supply. The cmos receives its power (Recharge) from the power supply. An average cmos battery should last for 5 years. The fact that you attempt to power up the PC & you have to wait, points to a power supply problem. Not a bios problem.
Bios corruption is rare, unless you have tried to flash the bios & it failed. Replace the power supply before attempting flashing the bios. Every manufacture warns against flashing the bios. Only flash the bios if your 100% sure that it will correct a bios malfunction. If the issue presist after replacing the power supply, Intel has instructions of (How to flash the bios) on their site.
Here are the instruction from Intel for your MB model number.
http://downloadmirror.intel.com/5519/ENG/BIOS%20Update%20Readme.pdf

You'll need this link to download the bios file;
http://downloadcenter.intel.com/filter_results.aspx?strTypes=all&ProductID=899&OSFullName=Windows*+XP+Home+Edition&lang=eng&strOSs=45&submit=Go%21#SAP

Good luck bridey28!
Need more info, post here.
Mike

Jan 14, 2009 | Computers & Internet

1 Answer

How insall new bios


try taking your CMOS battery out first, its a small silver circle in your motherboard. just take it out for like 10 seconds and then put it back and that will reset your cmos/bios. if you insist on flashing go to your motherboard manufacturers website and look for the download.

Dec 13, 2008 | Intel Motherboard

3 Answers

Bios problem in A8N-VM


Hi jino284, you're bios has become corrupted. One reason for this can be the cmos battery is no longer holding its 3volt
charge. Virus can also cause corruption. Power off the PC & unplug the power cord. Open the case & pull the cmos battery. (Its about the size of a quarter). Check the 3 volt battery with a volt meter. If the battery reads less than 3 volts replace it with a new battery. If the battery checks good than fash the bios. Go to Asus web site & download the Bios - Utilities.
http://support.asus.com/download/download.aspx?modelname=A8N-VM&SLanguage=en-us
Than download the bios file.
Instruction on how to flash you're bios.
http://www.asisupport.com/bios_page.htm

I'm betting the cmos/bios batter needs replaced.

Good Luck!

Mike

Jul 14, 2008 | ASUS A8N-VM Motherboard

2 Answers

Dead PC


Hi, When flashing a BIOS, you would need a bootable diskette (or CD) with basic DOS and the ROM .bin or BIOS update files plus the flashing software. In the CMOS/BIOS setup, you have to instruct the computer to boot first from the floppy diskdrive (or the CD as the case may be). Then run the flashing software/application and type in the filename of the new BIOS. Most modern motherboards no longer uses jumper switches to allow/disallow BIOS writing/update. If for some reason there are jumper switches, perhaps we can confirm if you would post the brand/model/version of the motherboard/computer. Post back how things turn up or should you need further information. Hope this be of some idea/help. Good luck and kind regards.

Sep 09, 2007 | E-Machines C1641 PC Desktop

2 Answers

Optiplex Gx110 Freezing on Bios Post


The only thing I can think of is there should be a jumper pin that on the mother board that resets the cmos. Unplugging the battery does not clear the cmos rom. My guess would be the cmos rom is currupted and unfortunatly you need the rom loaded before you can flash and replace it. My advice is ditch it.

Aug 02, 2007 | Dell OptiPlex GX110 PC Desktop

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