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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 the laptop. nothing is attached to the motherboard. i have two questions. 1. where is the cmos, quartz...or whatever, battery on the motherboard? 2. now that the motherboard has absolutely nothing attached to it, shouldn't that cause the bios to lose all it's information?

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  • idon5744 Jul 27, 2009

    thanks HotRatchet. toshiba sucks...lol at least they could make their bios easly correctable. it would be a help to blundering idiots like me.

  • idon5744 Jul 27, 2009

    thanks for the info. reflash it is then.

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Well you can connect all the parts connect back to your motherboard and taking out CMOS battery doesn't reset the BIOS veriosn, its just reset the BIOS password, So if you want to uninstall the new BIOS verison that you installed than Go to SETUP and in every Setup you can look at the bottom, where it will tell you to reset your BIOS to default, and you will have tp press that key that would be the only option.

Posted on Jul 26, 2009

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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

Posted on Jul 26, 2009

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Sir, Im having P4BP-MX Motherboard 2GB DDR 40 GB HDD, CAN I GO FOR 1TB HDD for my Motherboard. I bought 1TB its not identifying Is my P4BP-MX Motherboard support 1TB or Not ?


There's two things wrong:

1. You can't simply install a hard drive and then use it. You have to format it and/or install an operating system on it.

2. Your motherboard is a very old model. While it is new enough to support LBA48 mode (which is necessary to fully use hard drives above 127 GB), it is possible that it has an old BIOS version that does not support it. You should check ASUS' website to download and install the latest BIOS update.

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Location of bios chip on dell Inspiron 1764


The BIOS chip is soldered onto the motherboard. It is about a 1/2" square chip. The below link is the Dell Inspiron 1764 Service Manual from Dell for the Inspiron 1764. It is in PDF format (Adobe Reader online file, and downloadable).

http://downloads.dell.com/Manuals/all-products/esuprt_laptop/esuprt_inspiron_laptop/inspiron-1764_service%20manual_en-us.pdf

Opens in Adobe Reader so make sure you have the program already installed, or download and install Adobe Reader from www.adobe.com first.

Once the Service manual is opened. Go to the: System board section. Then scroll down to Replacing the Coin-Cell Battery Click on the link...That is the BIOS chip battery. The actual BIOS chip is not a removable chip on that particular motherboard, but a soldered in place chip located on the opposite side (surface of the motherboard) right near that coin-cell battery location. That chip may be reflashed w/ the latest BIOS by downloading the latest BIOS.bin file avail. from DELL at the following Drivers link.
http://www.dell.com/support/home/us/en/04/product-support/product/inspiron-1764/research
Choose Drivers and Downloads from the left>Choose the installed OS Version first>Then choose BIOS from the list. The following choices are there; (only 1 version of OS avail. without the actual Service Tag # appears; Win 7 (64 bit OS)).

Windows 7 64 Bit>Latest BIOS file version is A13 (Released 06 Apr 2011) If that matches your OS (Go to Start>Control Panel>System>General Tab and look for Windows 7 and 64 bit as the type of OS installed, you can also download Belarc Advisor from www.belarc.com and install and run it, allow the hardware and software inventory to load (print out the inventory) if possible, on the right near the top the System board info and currently installed BIOS info will show on the inventory along w/ everything else about that current laptop setup), if so, and Win 7 64 bit shows and the BIOS version is anything less than A13 (a smaller # like A6 or A11...then you need to update the BIOS to the A13 flash), is listed, go download from dell the A13 file, and install to flash the BIOS to the A13 latest BIOS version released. Then delete that downloaded file. You only need to flash it once.

Or go to:
www.dell.com Choose Support>Look on the bottom of the laptop for Service Tag: Number or Tag: and enter the # printed there usually a short combo of letters and #'s. Or you can have it scan for the tag # by installing the provided program. Then once you are at the Inspiron 1764 location>Enter your Operating System Version or flavor installed>Choose Drivers. In the Drivers section choose BIOS, and look for the highest BIOS Version Number and latest file date created.

IF THE MOTHERBOARD will not boot to the BIOS setup Screen (Motherboard BIOS is BRICKED or DOORSTOPPED=Corrupted BIOS, usually caused by incorrect flashing w/ the wrong file, or an inturrupted flashing...Though, sometimes just a dead motherboard BIOS coin-battery type battery replacement, and re-flashing with the latest file will cure the issue though).

And should a new preprogrammed BIOS chip be required to UNBRICK THE MOBO, for the Inspiron 1764. One can be purchased on ebay at the following link, but should only be installed by a VERY qualified technician. (Notice it says on their pic....New chip to be soldered on board). That takes skill to properly handle, desolder and resolder the chip properly. DELL and others can also reflash bricked BIOS CHIPS. Chips that were flashed incorrectly turning the motherboard into the dreaded doorstop.

But if the BIOS setup is reachable (the computer will start and boot to at least the BIOS Setup screen...Usually F2 or F10 or Delete keys. Just watch the screen on boot up, choose the BIOS Setup or Setup key combo listed). If so, (you can get to Setup, then the BIOS Chip is not bricked, corrupted, damaged, or doostopped), In that case, just go download the latest BIOS Version .bin file from the above Dell Drivers Link for your OS version, and go into Windows and double click the file w/ the power adapter plugged in and all other programs closed...follow the instructions, and do not interrupt the BIOS Flashing process (very IMPORTANT!) The computer will simply restart after the BIOS flashing is completed...You may have to go back to setup after it restarts and load default settings if it does not load Windows after the flash, then restart again.

http://www.ebay.com/itm/BIOS-CHIP-DELL-INSPIRON-1764-/400663668014?pt=US_Motherboard_Components&hash=item5d496a652e#ht_928wt_1182

Good Luck!

Sep 29, 2014 | Computers & Internet

2 Answers

Hello, can help me, my laptop ACER EXTENZA 4630 SERIES, why i can open the password bios when i re install the laptop..? thanks


Yes by default the bios is unprotected/no password. All you have to do if you want to setup bios password just go to bios then create supervisor password then it will have password everytime you need to access the bios. For info. bios password is not related to re-installation / installing your OS.

Mar 12, 2011 | Computers & Internet

1 Answer

I attempted to upgrade the BIOS on my Dell Dimension C521 and it froze 18% into the update. I ended up powering it off and rebooting. It would not reboot. The power button stayed amber in color and no...


yes the reason is if you update the bios but reboot when not complete
it erases flash then installs new bios probably got stuck on erasing only option is new motherboard sorry

Aug 02, 2010 | Computers & Internet

2 Answers

Where is the CMOS battery located?


On most desktops, it will be located on the motherboard, sitting in a slot socket. These batteries look like nickels and sit in the socket with their positive side up. They are usually held in place by a tension spring.

If you have a laptop, then the battery maybe accessible through an access door on the bottom of the case. These batteries can also be a disc type battery sitting in a slot or it can have a special covering with a small cable attached to it, this small plug attaches into a socket. In some cases, the laptop has to be disassembled in order to remove or observe the battery.

Jul 31, 2010 | Computers & Internet

1 Answer

I bought a inspiron 9400 off ebay and the bios is locked. Dell will not help me because I am not the original purchaser. please any help.


Only A Couple Things You Can Try Here.....

You Can Attempt To Clear the BIOS By Removing The CMOS Battery...
You will have to disassemble to get to it...Not sure offhand on your exact model whether your battery is plugged into the motherboard or directly soldered.. I am almost certain yours is a Snap in/out that gets inserted into a carriage on your motherboard... Either Way... You Will Need to remove it... Make sure your Power Battery is also removed... and your AC Adapter is not plugged in..
Then Press and Hold Your Power On Button To SHort Out The Connection... THen After 30 seconds or so.... Reinsert CMOS Battery...
Reinsert Power Battery...Plug In AC Adapter...
Attempt To Power On


Didn't Work... Option 2:

Try Using A Backdoor Password Or Default Pass...Go To THe Following Link For More Info On It: http://www.tech-faq.com/reset-bios-password.shtml

Still Didn't Work... Option 3:

The BIOS Will Either Need To Be Flashed... Or You Will Need To Replace The Motherboard...

The BIOS ROM CHIP can be flashed (erased and written over) but it is costly... you Can Google Search That Information If You Choose To...
Use Search Term: Dell Inspiron Bios Flash

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1 Answer

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Remove bios battery and erase new bios (usually a pair of pins to short). If USBs now work - don't upgrade bios! If bios settings have no setting for diabling USB, motherboard failrure seems likely. Try a PCI USB card to provide sockets.

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3 Answers

I have a MCP61SM-GM motherboard and I accidentally flashed the wrong BIOS. I need the original BIOS but there are no websites around that have this! :(


Hello,
Kindly try this link i provided you it directs you to the BIOS download for your motherboard. Kindly click the link below.:

Download MCP61SM BIOS


Kindly click the filename that contains the BIOS version of your motherboard.


Thanks

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1 Answer

BIOS flashed with wrong version


Remove the CMOS battery will reset the bios ( not sure how you could have installed incorrect bios it would tell you it the wrong bios )

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