That’s right, if your laptop is locked up due to CMOS passwords being set and you forgot what it was, we can help!!
Here you get a complete and illustrated information package (60 pages pdf file), to erase the protected chip in the “inserted condition”. It work’s for 595B, D35B and other system tags (look at the table below). Moreover I added some helpful links like a password generator for D35B Tags.
Never replace the protected password chip!
Chip size is 3.5 x 4.5mm and 8 pins. With the unnecessary de-soldering of the protected IC, and again soldering an empty chip back in its place, with approximately 90% of all attempts the Main board is destroyed.
Did you forget your Dell Bios password, or acquire a locked Dell Notebook at eBay?
The Dell Support refuses any assistance?
Then here is the solution!
No special equipment necessary, just a screwdriver and a paper clip are needed!
Procedure works on tested models in list below and many other.
* = recently tested
The EEPROM password chip is the only one on the main board, you might need a magnifying glass to locate it.
The information provided as an “At Your Own Risk” procedure. The Seller will not be held liable for any incidental or consequential damages related to the use or misuse of this information under any circumstances. Since this is a download there are no refunds.
Included will be a software program to give you a back door password to get past the CMOS and boot passwords, you can try this first before the jumper method, this works on some models, not all of them
The latest info also includes some debug commands to clear some other password issues.