How do I clear the BIOS on my s6500NX? Usually this is done with a jumper change and battery removal on a Dell. Not sure how this one works.

Ok so reset the Bios Password? Ok well open the computer up and remove the Cmos Battery from the motherboard ....make sure to have computer unplugged and use static protection also there maybe a jumper setting to clear the cmos so check for this jumper usually in the same area as the battery after removing the battery or using the jumper to clear the cmos all you got to do is return the battery and or jumper to the original placement and your done ... just plug the computer back in and its reset.... Good luck

The aim is to reset the BIOS so that data concerning passwords are cleared out. This is done by moving a jumper on the motherboard.( The biggest challenge is to find it).

Note that: This procedure also resets the BIOS settings. If you have made changes, this manipulation will reset these features to default.

• Step 1: Turn off your PC and unplug the power cable and open your system unit. Touch the chassis of the casing with a metallic object to discharge static electricity.
• Step 2: Check the documentation for your motherboard to locate the position of the jumper, that reset the BIOS. If you don't have any manual, look on your motherboard one of the following tag: CLR BIOS, CLEAR BIOS, CLR CMOS, CLEAR CMOS, RESET BIOS or RESET CMOS. It is usually near the CMOS battery on the motherboard.
• Step 3: Find the jumper on your motherboard reset it. It is usually close to the battery.

If the jumper is on 3-connector pins, place it on the middle and the initially uncovered pins.
Wait for some time and put the jumper in its original position (PIN1-PIN2).
If the jumper is on a 2-connector pins and that it holds on a single pin, place it on both, wait one second and then return it to its original position.

• Step 4: Power up and start your PC: the password has disappeared.

there's a software that does it but it's not free
http://www.theonlypcdoctor.com/dell/dl-dell.htm

open the rear door on the laptop remove the RAM and locate the 2 pins or Bars in the well where the RAM was.Take a paper clip and short the 2 pins adn then replace the RAM close the door and restart unit.That's it!

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On alot of motherboards, and I don't know if I would have access to this one or not, there is a set of 3 pins coming out of the board itself, usually with a jumper on 1-2 position. Somewhere next to them, maybe some text like PWD CLR ? Usually, moving the jumper to 2-3, clears the password on the BIOS, as a failsafe back up. If it does look, 'comfortably' like that, don't change anything else. It usually takes only a minute, under battery power, to clear it. Once done, move the jumper back to the 1-2 position.

If you don't see it clearly, write back and I'll see if my Technician access allows for the detailed info. Also, please include the Model # amd Make of your Dell unit.

Respectfully,

Toby White-Beebe
P.O. Box 474
Penryn, CA. 95663

(916) 300-9410 Cell
(916) 473-7409 Home Fax

2008 VA Certified NACI Low Risk Security Clearance
2008 VA OCIS/ROB Affirmation of Compliance
2008 VA Certified OIT Contractor
2008 Dell Certified Lead Systems Expert - DCSE
1999 A+ Certified Service Technician

Hi,
If you cannot access the machine after if has been powered up, it is still possible to get past the BIOS password. The BIOS password is stored in CMOS memory that is maintained while the PC is powered off by a small battery, which is attached to the motherboard. If you remove this battery, all CMOS information (including the BIOS password) will be lost. You will need to re-enter the correct CMOS setup information to use the machine. The machines owner or user will most likely be alarmed when it is discovered that the BIOS password has been deleted.
On some motherboards, the battery is soldered to the motherboard, making it difficult to remove. If this is the case, you have another alternative. Somewhere on the motherboard you should find a jumper that will clear the BIOS password. If you have the motherboard documentation, you will know where that jumper is. If not, the jumper may be labeled on the motherboard. If you are not fortunate enough for either of these to be the case, you may be able to guess which jumper is the correct jumper. This jumper is usually standing alone near the battery. If you cannot locate this jumper, you might short both of the points where the battery connects to the motherboard.
If all else fails, you may have to clear the BIOS password by resetting the RTC (Real Time Clock) IC (Integrated Circuit) on your motherboard.
The BIOS password may be cleared from a Dell Optiplex by removing the password jumper (PSWD) from the motherboard.
The location of the password jumper on a Dell Optiplex motherboard can be found by reviewing the Optiplex User Guides.
For most Dell Optiplex desktops, the steps to reset a BIOS password and clear all CMOS settings are:

• Locate the 3-pin CMOS password reset jumper on the system board.
• Remove the jumper plug from pins 1 and 2.
• Place the jumper plug on pins 2 and 3 and wait approximately 5 seconds.
• Replace the jumper plug on pins 1 and 2.

Each Dell Inspiron has a master password which will clear the BIOS password. You can get this number by calling Dell Technical Support at (800)624-9896.
Dell Technical Support will request the Service Tag and Express Service Code from the bottom of your Inspiron.

Thank You,
Your Support Tech.
Manish Shirsikar,
Fixya.com

Generally, all you need to do is get on to Dell Support and get in a chat with one of their people and tell them that you are locked out by a BIOS password, and needed to get around it. After they verify that you are the owner of the laptop, they should give you a password that gets you through it.

If you can't find the jumper to flash the BIOS or if such jumper doesn't exist, you can remove the battery that keeps the BIOS memory alive. It's a button-size battery somewhere on the motherboard (on elder computers the battery could be a small, typically blue, cylinder soldered to the motherboard, but usually has a jumper on its side to disconnect it, otherwise you'll have to unsolder it and then solder it back). Take it away for 15-30 minutes or more, then put it back and the data contained into the BIOS memory should be volatilized. I'd suggest you to remove it for about one hour to be sure, because if you put it back when the data aren't erased yet you'll have to wait more time, as you've never removed it. If at first it doesn't work, try to remove the battery overnight.
Important note: in laptop and notebooks you don't have to remove the computer's power batteries (which would be useless), but you should open your computer and remove the CMOS battery from the motherboard.