Question about Acer Aspire 5100 Notebook
I purchased an acer aspire 5100-3959 used and i can access the xp operating system but i cannot access the bios setting because the original owner has a password enabled. my only reason to have the bios password cleared is so i can perform a system restore and return the computer to original factory settings.
I cannot remove the cmos battery as it is sautered onto the mother board and will break if tampered with. can someone plz help me?
If you remove the base plastic cover to expose the memory ect.. All you have to do is locate the wifi card then remove it (very easy) you will then see the system board battery. Now place a flat screwdriver so that it touches both of the wires going to the system board from the battery. this should reset the bios.....
Posted on Aug 26, 2008
IF YOU LOOK CLOSELY UNDER THE MEMORY THERE SHURE IS A JUMPER TO BE SHORTENED; but not that kind JUMPER thet you think of, they are no pins, you just have to shorten them with a screwdriver or someting flat, maby a pincet ?
Posted on Jun 25, 2009
I think Acer Aspire 5xxx notebooks of this era use Phoenix NetBIOS Version 4 Release 6 BIOS.
There should really be no need to open up your laptop & remove the memory to short the jumpers or remove the cmos battery to reset the Supervisor Password. You run a much greater chance of damaging the notebook due to static electricity or incorrectly shorting the jumpers while the power is applied...
Instead the best method is to approach it from the software perspective and by writing down the "BIOS Hash Code."
When booting the notebook, press F2 to enter the BIOS and (in the case that you have forgotten your Supervisor Password) after entering the BIOS password incorrectly three times, you will be presented a "System Disabled" message with a checksum value example: . Write this down.
Now, thanks to a very talented programmer/hacker named Dogbert, use the pwgen tool to crack the Supervisor Password.
Also, as somebody already mentioned you can hit Alt+F10 to bring up the Acer eSettings so you can try the password within Windows, under the "Security" tab.
Use the pwgen tool (for Windows):
This CmosPwd tool can read & reset "User" Password:
Other CMOS BIOS cracking tools:
Hope this helps...
Posted on Mar 18, 2010
Yes there should be a 3 pin jumper close to the battery look at which 2 of the 3 it is set then switch it to the other 2 jumpers then hit the power button once youve done that switch the jumper back to the original positn that shoud reset your bios
Posted on Dec 07, 2007
You can touch the two legs where the battery is attached to the motherboard and hold it for about 5 seconds and that should reset your bios password. I did it to a ace aspire one.
Posted on Dec 04, 2009
Hello, I own a repair shop and somebody brought me a ACER ASPIRE 5100 LAPTOP with a windows vista damage. So, I tried to reinstall but the problem was It has a bios password. In a limited way a could enter to a session of DOS and tried to reset the password running a couple of tools but neither works. There isn't jumpers to reset the bios neither desoldering the battery didn't work. So, I formatted the hard drive and that was a big error. I couldn't enter anymore.
The only thing that work was to install the hard drive how primary drive in a DESKTOP COMPUTER (the hard drive is a sata hard drive, but if you have a similar problem with other laptops with IDE interfase , you can buy a kit to install any kind of hard drive to a DESKTOP COMPUTER, the cost of the kit is like $20)
anyway, I installed the laptop hard drive how primary hard drive (I strongly suggest disconnect others hard drives of the pc) and install a copy of XP, then I installed again the hard drive in the laptop and I went to the acer page support and download the last version of the BIOS, and surprise !!! the password was gone and could put the cd/dvd like first device and reinstall vista without any problem . If you tried to leave XP, you will have a lot of problem, better do what I am saying, download the last BIOS and the laptop won't ask for a password. This solution help me to earn $75 to fix the costumer's laptop . Hope it helps you.
Posted on May 28, 2009
Vcrtech has the solution, thank you for not making me spend to much time on this.
Posted on Oct 05, 2009
@Thriste... There are no jumpers on the Aspire 5100 notebook like you are discribing. You are thinking about a DESKTOP PC and that is of no help here.
I am having the SAME problem with my aspire 5100. I had a password for the BIOS, which I used right before I tried a system restore (ALT-F10), and it worked fine. After the restore (which keeps failing at 53% for some reason I have yet to find out about) my password does not work anymore. Acer will not tell me what the default password is either THANKS DIPSSHITX... Now I am stuck in Baghdad with no PC to use to talk with my family for the holidays and they refuse to help me. I had to wait almost 2 hours just to use a public PC that 50 other people are waiting on over here... Good times..Good times..
Posted on Dec 08, 2007
I forgot my cmos password on my notebook acer aspire 4315. so can u help me where is the jumper to clear the cmos password, tq.
Posted on Jul 15, 2010
I recently was able to clear my bios password on my acer aspire 5100 by going to the acer website, and looking up my model number under support and downloads, once i found the downloads for my system, i download and installed the Bios Update which not only update my bios, it gave me the option to clear all passwords and stored data in the bios. Hope this works for anyone else with the same problem.
Posted on Mar 30, 2008
Apparently the default password is 000000
Posted on Mar 30, 2008
Still no solution to this problem. I turn on my ACER 5100. I have the infamous ENTER SATA PORT 0 HDD USER PASSWORD and it doesnt appear to even be responding. Are theses particular laptops "****?"
Posted on Aug 09, 2009
short the battery hold a piece of wire on to the positive and the other on the negative for about 10 seconds this should short the battery it does no damage to any thing else.
Posted on Sep 26, 2008
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