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Double_V
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Can't reset Power-On password

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HP Prodesk 400 G2 MT
Microsoft Windows 8.1 (64-bit)

Hi. Somebody create in my PC "Power-on Password". And i can't use my PC now. Somebody can help me?

 

S/N: [edited]

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REO51ST
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@Double_V

 

PWJ.JPG

 

Move the jumper to the left then power-on for a second or two.

 

REO

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Double_V
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@REO51ST wrote:

@Double_V

 

PWJ.JPG

 

Move the jumper to the left then power-on for a second or two.

 

REO


PSWD jumper moved.  Didn't help. Also before i tried to reset CMOS, pulled out the battery, left the PC without AC and battery for 36 hours. Also followed the instruction in HP website.  Nothing helped

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CF4
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Hi

 

With the CMOS battery out, unplug and hold the power on button for 20 seconds, and then applying power, battery still out, can you enter the BIOS at all?

 

Can you remove the HDD and post/boot anything?

 

What is your make model and OS?

 

There are other possibilities.

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Double_V
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@CF4 wrote:

Hi

 

With the CMOS battery out, unplug and hold the power on button for 20 seconds, and then applying power, battery still out, can you enter the BIOS at all?

 

Can you remove the HDD and post/boot anything?

 

What is your make model and OS?

 

There are other possibilities.


Hi,

I did as you described/. But didn't help.

 

Also i tried without HDD. Same situation. 

 

And i can't enter the BIOS. Because first requires a power-on password

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Double_V
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Maybe i can reset this password with some "master password"?

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CF4
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Hi

 

I dont know of one.

 

But it is possible to enter a password incorrectly 3 times and need an override password.

 

However I do not know your circumstances and cannot suggest a course of action, like the above or using chntpw from a DVD running Ubuntu.

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Double_V
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I read in other questions, there is a factory password that resets the password. First need to enter incorrect password 3 times. After will show some code, and with this code can ganerate factory password. But i  don't see this code after 3 times

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CF4
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Hi

 

My problem is you have been given guaranteed reset procedures and they haven't worked.

 

Therefore a screen shot of the screen message may move us forward.  Camera, Photo, & post png.

 

 

 

 

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XESSAR
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NEW BRANDS   WHEN   ON   GIVE LOGO  HP......AND  AFTER     SAY      POWER ON   PASSOWRD      PLEASE

 

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