I have a Dell Latitude E6400#14HSRK1-2A7B I have removed and replaced the cmos battery to no avail So I know the PW is stored on the eprom chip. I also have an external keyboard can you please help?
You should contact the Dell support center. With the Service tag number they should be able to advise you: either send you a master keyword that will unlock the computer (as the rumor has it) or point you to a service center where the computer will be serviced. You might have to prove ownership of the computer and to pay for the service.
SOURCE: How do I remove forgotten BIOS password?
1) You can reset BIOS to default settings by pressing <Alt><F>
2) I am not sure about the laptops, but in the Dell Desktops usually there is a reset jumper on the motherboard which is seated on 2pins out of 3, you just need to remove that jumper turn on the pc once and the turn on the pc again by reseating the jumper to its original place. You can try this with your laptop, I guess the jumper should be somewhere close to the CMOS battery.
3) Remove the battery and keep it away for atleast 30 mins. and replace it again.
NOTE: make sure while following step (3) and (4) the system should be completely turned off. Unplug the AC adapter, remove the battery and hold the power button for atleast 8 - 10 seconds.
let me know the output
SOURCE: I have a Dell Latitude D630 laptop. I am failing to log in
pls find out the cmos clear jumper setting which will clear the password and u will be able to access the BIOS without password
SOURCE: Stanley nyondo I forgot my bios password for dell latitude e6400
send me the service tag wich u can see on the bottom cover or trun on laptop u will see on screen hash code like this XXXXXXX-595B or D35b or 2A7B send me complete .ill send u password
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