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Author Topic: Reset BIOS password?  (Read 24630 times)

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x-anonineTopic starter

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Reset BIOS password?
« on: 11-August-15, 01:24:26 »

Hi,

I have a Z87-G45 Gaming mobo.

When trying to enter BIOS I'll be asked for a password, not the usually DOS-prompt-password but a more graphic version (UEFI-BIOS-password-dialog?).


I have tried to delete the password by resetting CMOS by shutting down the computer and;
* Shorten the JBAT1-jumper for at least 10 seconds.
* Removed the battery for a minute or so.
* Holding down the CMOs reset button at the back of the computer for 10 seconds.

Pretty much according to this post: https://forum-en.msi.com/index.php?topic=31222.msg178956#msg178956
See attached image.


After clearing CMOS, I have 2 choices when trying to enter BIOS (pressing DEL-key at startup);
F1 : Enter Setup
F2 : Continue

When entering F1, the "graphic password dialog" shows up again!?
When pressing F2, the computer boots normally.

Does anyone know what's happening?
How do I get pass the password dialog?

By the way, I have no clue of the password - I can’t even recall I have entered any BIOS password (which I must have done)...

Best regards,
Johan
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JLio01

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Re: Reset BIOS password?
« Reply #1 on: 11-August-15, 02:59:02 »

If clear cmos does not help (make sure unplug the power cord and take out the cmos battery), then RMA the board or use SPI programming tool..
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x-anonineTopic starter

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Re: Reset BIOS password?
« Reply #2 on: 11-August-15, 04:09:09 »

Hi,

Thanks for the prompt reply.

I will try once more with the jumper, battery and CMOS reset button later today but I don't think it will help me (just to be sure though).
It leans to a RMA since I have no skills in SPI programming...

Regards,
Johan
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Svet

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Re: Reset BIOS password?
« Reply #3 on: 11-August-15, 06:07:28 »

wait don't RMA yet, a bios reflash[which is still an option] should fix it .


Quote
After clearing CMOS, I have 2 choices when trying to enter BIOS (pressing DEL-key at startup);
F1 : Enter Setup
F2 : Continue

When entering F1, the "graphic password dialog" shows up again!?
When pressing F2, the computer boots normally.

Do this:
prepare an USB key and make it bootable by following this guide:
http://www.bay-wolf.com/usbmemstick.htm

Once done, download this one: https://www.dropbox.com/s/uqqa0bl5lb0by7q/E7821IMS.1A2.rar?dl=0
and extract all files to the USB key root/main folder/directory
and boot from the USB key to pure DOS.
Either press F11 during bios post logo screen/then select the USB key without UEFI in prefix in the USB key name
[or if this is not an option],
then:
just leave the computer to boot, see if can boot from USB key,
if not:
then turn off the computer and disconnect any storages[any SSD/HDD/ODD]
and leave only the USB key attached to the system which you prepared,
then the system will boot from it to the pure DOS, [Press F2 if asked to continue with boot]
when you see A:\ or C:\, type:
flash.bat [CTRL+M]
and wait to finish, then do any of those:
 * reboot
 * power off & on
 * >>Clear CMOS Guide<< with power cord removed & power on
and should be fixed
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x-anonineTopic starter

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Re: Reset BIOS password?
« Reply #4 on: 11-August-15, 06:35:44 »

@Svet : Thank you very much - First, I'll give the "CMOS reset" another go. If no success - I'll try reflashing the BIOS. I have downloaded the file from Dropbox. Thanks for the detailed instructions!

@JLio01 : As mentioned before, I'll try the CMOS reset one last time (and leave out the battery a little longer).

Best regards,
Johan
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Svet

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Re: Reset BIOS password?
« Reply #5 on: 12-August-15, 05:26:25 »

oki, let us know how its goes
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x-anonineTopic starter

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Re: Reset BIOS password (SOLVED)?
« Reply #6 on: 12-August-15, 09:46:06 »

After almost 24 hours without battery, the power cord detached, JBAT1 jumper connected and pressing the CMOS reset button a few times - I got in!

Thanks for both your prompt answers and different approach! I really hope this will help others reading this thread in the future!
All my thanks goes to JLio01 and Svet.

Best regards,
Johan
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Svet

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Re: Reset BIOS password?
« Reply #7 on: 13-August-15, 09:06:05 »

well done :pompom:
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aszyrl

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Re: Reset BIOS password?
« Reply #8 on: 04-November-16, 02:24:25 »

I've got the same problem with the ITX mobo - Z97I GAMING ACK :biggthumbsdown: 
Cannot enter BIOS setup anymore. I never set any password !

  • RESET CMOS button doesn't solve the issue
  • BIOS upgrade (via Windows) didn't help
  • Leaving the PC with no power for a couple of days, with disconnected peripherials & battery (?) and shortcutting pins doesn't solve the issue
  • I have no clue where the battery is (no hint in the manual) - unplugged sth looking like a battery (attached to rear I/O panel) but the PC starts anyway so maybe it's just a buzzer ?
  • I have no clue which mobo pins JBAT1 to shortcut and for how long (no hint in the manual) - there are 4 pins (2 high, 2 low) and no jumper...

Please help.
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flobelix

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Re: Reset BIOS password?
« Reply #9 on: 04-November-16, 10:46:02 »

Open your own thread and don't resurrect another please.

>>Please read and comply with the Forum Rules.<<

:floblock:
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