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acer extensa 5220

 
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lucian1308
Nou Venit


Joined: 06 Sep 2009
Posts: 5

PostPosted: Thu Sep 24, 2009 1:09 pm    Post subject: acer extensa 5220 Reply with quote

hy ! Can u help me to remove the password on extensa 5220 !? the computer is starting in windows but the BIOS is protected by password !

when i put the password 3 times wrong i got this message :

System Disabled
[03531]

please help me !
10x in advanced Very Happy
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victor
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Joined: 07 Mar 2004
Posts: 2581
Location: Staff

PostPosted: Thu Sep 24, 2009 1:18 pm    Post subject: Reply with quote

Salut,

Am doua generatoare, deci incearca-le pe astea doua:

6yj0o71 - primul este un zero, apoi "o" de la Ovidiu.
d55w8o9 - cu "o" de la Ovidiu, cum spuneam

In mod normal trebuie sa dai HD afara inainte de a genera service code-ul. Dar daca ai lasat HD in el si acesta este blocat la randu-i, dupa ce introduci parolele de mai sus apare un alt service cod. ..Si trebuie alte parole.

Succese maxime!
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Victor Voinea
ALLservice HQ, Romania.
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lucian1308
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Joined: 06 Sep 2009
Posts: 5

PostPosted: Thu Sep 24, 2009 1:32 pm    Post subject: Reply with quote

invalid password amandoua :-s

iar hdd-ul era scos deja !
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victor
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Joined: 07 Mar 2004
Posts: 2581
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PostPosted: Thu Sep 24, 2009 1:43 pm    Post subject: Reply with quote

Atunci, imi pare rau.

1. Multe Acer au o protectie de 2 lei, parolele se pot sterge chiar numai prin deconectarea bateriei de la CMOS.
Deci desfa-i bateria de 3V, dupa ce ai scos toate sursele de alimentare. Cu bateria de 3V afara, fa un scurt pe polii conectorului ei de pe placa de baza ca sa descarci condensatorii. Apoi cupleaza-l la AC (fara acumulator si baterie de CMOS) si porneste-l o data. Apoi pune totul la loc si vezi daca s-a deblocat.
Smecheria cu pornitul la priza si fara baterii, era folosita de Compaq si HP, de aia nu strica incercat.

2. Daca n-a functionat, atunci il demontezi si te uiti dupa un eeprom de genul 24C02, 24C04, 24C08 sau chiar 24RF08 - la unele modele.
Daca n-are un eeprom, atunci trebuie scris serial flash-ul de BIOS. Aici te pot ajuta cu programul meu SPEG, kitul cu interfata este 89 USD si merge ISP sau ICSP (eeprom-ul ramane lipit pe placa) . Mai trebuie dumpul curat care il luam de pe site-ul lor, probabil.

Cam astea ar fi posibilitatile. Desigur mai poate exista si un rahat de jumper, ca la Acer nimic nu-i exclus...
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Victor Voinea
ALLservice HQ, Romania.
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lucian1308
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Joined: 06 Sep 2009
Posts: 5

PostPosted: Thu Sep 24, 2009 1:55 pm    Post subject: Reply with quote

partea cu cmos batt am incercat inclusiv cu alimentarea. am reusit un hp mai demult cu metoda aceasta. Din nefericire nu functioneaza si aici ! Mai sapam !
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victor
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Joined: 07 Mar 2004
Posts: 2581
Location: Staff

PostPosted: Thu Sep 24, 2009 2:00 pm    Post subject: Reply with quote

Demonteaza-l sa fa-i niste poze fata/verso la placa de baza, in detaliu. Daca le vad poate te mai pot ajuta, vezi support_at_allservice_dot_ro
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Victor Voinea
ALLservice HQ, Romania.
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