Resetting Forgotten or Unknown Passwords

Dell Gateway Hewlett-Packard
MakeModelLocationProcedure
Dell Dimension P100t, P75t, P90t DIP switch is located next to Memory banks. Switch No. 3: turn ON, Start and down computer, Reset switch to OFF.
P133v, P166v, P200v
XPS M166s, M200s
XPS P133s MT
Jumper bank located toward front of System board, marked A, B, C, D. In set A, jump pins 2-3, start and down computer, Replace jumper to pins 1-2.
XPS D266
XPS T550
Single jumper is located at the front of the System board, forward of the expansion slots. NOTE: This procedure returns all settings to defaults. Check all settings in advance. You may need to reset System Processor Speed.
1) Set jumper to pins 2-3, Start computer, computer will boot directly into maintenance screen of system setup program.
2) Highlight CLEAR ALL PASSWORDS, Press ENTER, Select YES.
3) Exit, Down computer, Reset jumper to pins 1-2.
XPS P166c MT Jumper bank is located at the edge of the System board, adjacent to the CPU. Set jumper F (PSWD) to pins 2-3, Start computer to erase password, down computer, Reset jumper to pins 1-2.
4100 Single jumper is located forward of PCI slots. Jump pins 2-3, start and down computer, reset jumper to pins 1-2.
Dell OptiPlex GX1p, GX200 System board Jumper bank located toward front, near Riser Board connector.
Topmost jumper should be marked PSWD.
Remove PSWD jumper, start and down computer, replace jumper.
GX100, GX110 Jumper is located near front of System board, immediately above Riser board connector. Remove jumper plug, Start computer to erase passwords, down computer, replace jumper.
GXM Jumper bank is located at the edge of the System board, adjacent to the CPU, Second jumper from to is marked PSWD. Remove jumper plug, Start computer to erase passwords, down computer, replace jumper.
XL 575 Jumper bank is located between Memory banks and Riser 2 slot. Jumper is marked PSWD. Remove jumper plug, Start computer to erase passwords, down computer, replace jumper.
Dell Inspiron and Latitude Notebooks All Models No information on resetting forgotten passwords is given for these models. Dell recommends calling Tech Support. Proof of identity will be required.
NOTE: See Poweredge instructions. Good luck!
Dell Poweredge Notebooks4400, 6300 Jumper bank is located on right rear corner of System board. Remove jumper plug, Start computer to erase passwords, down computer, replace jumper.
Gateway E Series E-3200 Single jumper is located near center of System board. It is usually colored blue. Move jumper to pins 2-3, start and down computer, Reset jumper to pins 1-2.
E-3400 Single jumper located toward the rear of System board, forward of parallel port. Move jumper to pins 2-3, start and down computer, Reset jumper to pins 1-2.
E-3600 Jumper located near front panel harness and USB connectors. Move jumper to pins 2-3, start and down computer, Reset jumper to pins 1-2.
E-4200 Single jumper, located between PCI slots and CMOS battery. Move jumper to pins 2-3, start and down computer, Reset jumper to pins 1-2.
Gateway Solo NotebooksAll models No Information given. Gateway states: The password feature is very secure, with no easy way to recover a forgotten password. You must return your computer for repair. Call Client Care for instructions.
Hewlett-Packard VectraAll models Dip switch bank located near top side of System board. Set switch no. 3 to ON, Start and down computer, Reset switch to OFF.