Question about Acer Aspire 4520 Notebook PC

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Cannot unlock my laptop - Acer Aspire 4520 Notebook PC

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  • Steve Davies Mar 28, 2011

    What do you mean by Unlock?
    as in you cannot remember your password
    or your computer cannot recover from Sleep mode?

  • nerllana Mar 28, 2011

    forgot the password

  • nerllana Mar 28, 2011

    i try to remove the batttery and put it back but still asking fot the passwords

  • nerllana Mar 28, 2011

    no it doesn,t work

  • nerllana Mar 28, 2011

    doesn't work :(

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Safely open your laptop and then remove the CMOS battery and re attached it.

Posted on Mar 28, 2011

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  • Roland Balcita Mar 28, 2011

    Did my solution help your problem?

  • Roland Balcita Mar 28, 2011

    if you already open your laptop inside there is a litte battery. if thats what you remove and return then theres a unlocked code again then re install it.

  • Roland Balcita Mar 28, 2011

    on starting display when on press the dedicated key to enter its Bios set up then. make your DVD ROm as first boot and disable all other boot device just the DVD ROM then insert CD of your OS then restart to begin Installation of your Operating System.

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Okay this is what i can help you with start you machine follow the steps below:-
1. press F8 on boot
2. choose safe mode
3. type administrator on login screen
4. go to my computer
5. right click
6. go to manage
7. go to users
8. goto you user name
9. right click and choose password
10. change the account password
11. apply the settings and reboot
12. login with your locked account and you are good to go.
let me know if this helped thank you.

Posted on Mar 28, 2011

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Posted on Jan 02, 2017

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