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don't know administration/system password

When turning on my laptop prompts a service, administration password and I don't know it service tag 72T0081

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Hello,

Are you able to login ?

If you are could you go to Computer management-> Local Users and Groups

Send me a PrintScreen of the users and on groups of the administrators

Regards

Ricardo

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No I can't login,

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https://www.howtogeek.com/howto/windows-... That should help you with what you need. And also dell inspiring, CLASSIC. Just for future reference its inspiron, alot of people make this mistake and i find it kind of funny

Anyways, hope this helps and if it did please hit helpful button and if it solved your question please hit the accept answer button!

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you can try switching off laptop,then on restart press esc top left corner,select safe mode with networking,then once on type your error in serch bar and select a site that can give you a step by step guide on how to recover or remove permissions.

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Ed Hook 将永远感激不已
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