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Dell 3500 BIOS

Posted on 2004-04-26
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Last Modified: 2010-05-18
How can I clear the BIOS password on my Inspiron 3500. Phoenix 4.0 Rel 6.0. Dell will not help because I do not know who original owner was. I have tried various default passwords.
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Question by:markelka
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15 Comments
 
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Expert Comment

by:jonoakley
ID: 10930099
Where are you running into the BIOS password prompt? What is the syustems current BIOS version?
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by:buckeyes33
ID: 10935842
Well, there is no easy way to do this.

If you take your computer apart, which might not be an easy task, look on the bios chip.   There is probably some numbers there and also a word or two.  Those word(s) will probably be a password.  
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by:buckeyes33
ID: 10935850
Also tell us who made the bios.  
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by:buckeyes33
ID: 10935855
nevermind you have already did that.
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by:buckeyes33
ID: 10935880
You also maybe able to clear the bios password by removing the motherboard battery.   If you remove the battery for 10 seconds and reset the bios it might work.  Not all bios passwords can be reset this way.  Also remove large battery while doing this.
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by:buckeyes33
ID: 10935905
Also try:  Dell    as the password.
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by:buckeyes33
ID: 10935915
Some more passwords to try for phoneix bios

phoenix  
PHOENIX  
CMOS  
BIOS
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by:jonoakley
ID: 10938811
What is the service code on the laptop? short number
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by:jonoakley
ID: 10938865
What BIOS version are you running? Should be 3 characters normally starting with an "A" then two numbers. If you get a Dell splash during boot hit the ESC key to look behind it.
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jonoakley earned 125 total points
ID: 10939010
Skip the BIOS update to fix the password is kept in an EEPROM and removing battery power will only erase the BIOS settings and not replace the system or boot passwords as is the case for most systems. Updating the BIOS will only update or add any new BIOS features and leave the passwords alone (seperate chip) sometimes erasing all setting sometimes transfering them according to the bin load.
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by:jonoakley
ID: 10939032
Service code is on a tag located on the bottom of the laptop and has two numbers one short one long. I'm only interested in the short number.
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by:jonoakley
ID: 10939494
What type of access do you have to the system? Stop at Power On. Can you boot to a floppy?
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Author Comment

by:markelka
ID: 10944110
The Dell Inspiron 3500 does not have a Mobo
battery. The only way to clear the BIOS password is with a Master Reset Password provided by Dell for that Model No. and they will not give you the master unless you can give them the name. address and telephone of the registered owner.  However the password is universal for all laps with the same model no., so if you know someone who is a registered owner, you can call Dell and get the master.
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Expert Comment

by:jonoakley
ID: 10949114
Were you able to reset the password? If not send the short service code listed on the bottom of the system and I may be able to help you.
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Expert Comment

by:jeanpoman
ID: 11673089
The only solution is to get a master pasword from Dell; the trouble is you don't know the originality of the machine. Was it stolen?????? The easier solution is to change the motherboard of the system (around £300). I am a Dell experct myself and I do remember that getting this master password was also a big issue when I was confroted to this problem while on site officially sent by Dell ona customer site.
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