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Resetting laptop BIOS password

Forum CPU & Components : Other Components - Resetting laptop BIOS password

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Verizon_DSL_tech   12-23-2004 at 10:06:58 PM

What's the best and most cost effective way (preferably free) to reset my Compaq Presario 2500 BIOS password? It's a laptop and my BIOS is Phoenix v4 release 6.

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jammydodger   12-26-2004 at 01:57:58 AM
- 0 +

If you cannot remember the old password then you will prob have to open up the laptop and use the clear CMOS jumper/take out the battery.

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davemar14   01-10-2005 at 11:27:03 PM
- 0 +

That is, if there is a jumper. If not, remove the battery from the board. Would flashing the BIOS, erase the password?

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folken   01-11-2005 at 09:27:57 AM
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Yea, a Bios flash would probably clear it. If one is avaliable that is.

<A HREF="http://www.folken.net/myrig.htm" target="_new">My precious...</A>

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ChipDeath   01-11-2005 at 05:26:55 PM
- 0 +

They often have backdoor passwords into BIOSes.

I have a fairly old document that says the Phoenix ones are:
<b>phoenix</b>; <b>PHOENIX</b>; <b>BIOS</b>; <b>CMOS</b>
But it is rather old...

It also lists a way of using DOS's DEBUG.EXE to trash the CMOS, thus clearing the password (coincidentally, I actually had to do this earlier to a PC a customer had sent in.), but for that you need DOS (Or presumably 9X in DOS mode). I doubt it would work with XP/2000 (Which I assume you are using)

---
"Sex without love is an empty experience...
But as empty experiences go, it's one of the best" - Woody Allen

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PatMcGroin   01-23-2005 at 04:36:19 PM
- 0 +

on older at style MBs the jumper to clear the password was J1 just move it to J2 and turn it on and the password is gone. then put it back

You Dont Want To Be The Last to Know Anything.

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TheCh0s3n1   03-02-2005 at 08:29:32 PM
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Thank goodnes for you that it's not an IBM!

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sobelizard   03-09-2005 at 02:25:03 AM
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I'd tell you, but it'll cost you a dollar.

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Verizon_DSL_tech   03-09-2005 at 02:31:21 AM
- 0 +

We can drop the subject now... I sold the laptop long ago.

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chas903   06-06-2009 at 12:38:23 AM
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sobelizard wrote :

I'd tell you, but it'll cost you a dollar.

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Fueled by <b><font color=blue>CL-</font color=blue><font color=red>ONE</font color=red></b>



Chas90381@yahoo.ca HP ze5185 Phoenix Bios 4.0 6.0.

Can you help?

Reply to chas903
chas903   07-03-2009 at 01:53:16 AM
- 0 +

Ok! The hash Code is 00835.

Reply to chas903
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