Forgot my password
To get by this you will need to remove the laptop battrey for a couple of mins then put it back in,that works for most laptops.not saying it will work for you,but its worth a try
SOURCE: Bios Password Reset
The only idea I have is to find and disconnect the CMOS back-up battery after removing main battery and unplugging the AC adapter. That SHOULD clear the bios completely, wiping out the password, the date, and everything else.
I know this works on desktops, and most laptops, but no promises, and the cmos battery may not be easy to access.
You should probably leave the battery unhooked for at least 1-2 minutes to be sure it clears.
Hope this is some assistance!
SOURCE: acer aspire 5520 ethernet driver
Go to acer.com downloads, all drivers for the 5520 are there.
SOURCE: Keyboard broken on my Acer Aspire 5520
For the Acer Aspire 5520 I'm working on, (Acer Aspire 5520-5156, mode nol: ICW50)
Remove the three black screws under the battery, not the silver screws.
VERY carefuly pry off the power button cover. It will make 'snapping' sounds and if you where gentle nothing will be broken.
The keyboard has no screws holding it and can be slid toward the screen and very gently pryed out, taking care not to tear the ribbon cable, as mentioned before.
When the keyboard is out the cable can be released by gently pulling the cable lock on the header toward the cable, the thin (black in this case, it's usualy a different color than the white connector) plastic part of the connector I just use my fingernails, one index finger on each end slowly pulling till it releases.
Pull the cable out using the pull tab. You can just pull the flat cable out with the pull tab without releasing the calbe lock but you stil need to release the cable lock to properly put in the new cable, then push the cable lock back tight to the connector.
SOURCE: acer aspire 2920 forgot my acer security password
Steps for Clearing BIOS Password Check
If users set BIOS Password ( Supervisor Password and/or User Password ) for a security reason, BIOS will
ask the password during systems POST or when systems enter to BIOS Setup menu. However, once it is
necessary to bypass the password check, users need to short the HW Gap to clear the password by the
following steps:
q Power Off a system, and remove HDD, AC and Battery from the machine.
q Open the back cover of the machine, and find out the HW Gap on M/B as picture.
q Use an electric conductivity tool to short the two points of the HW Gap.
q Plug in AC, keep the short condition on the HW Gap, and press Power Button to power on the
system till BIOS POST finish. Then remove the tool from the HW Gap.
q Restart system. Press F2 key to enter BIOS Setup menu.
q If there is no Password request, BIOS Password is cleared. Otherwise, please follow the steps and
try again.
NOTE: The steps are only for clearing BIOS Password ( Supervisor Password and User Password ).
Below is the picture of the Jumper location by the memory modules. These two points have to be "shorted".
SOURCE: ethernet-controller drivers for Acer Aspire 5520-5908 XP
Find a USB memory-stick, and find a computer with Internet access and an available USB port.
Put the memory-stick into the USB slot.
Browse to ACER's web-site, and select your specific model of the Aspire line, and select Windows XP, and select network-controllers, and download the device-drivers, and copy them onto the memory-stick,.
Walk the memory-stick to your Acer, and install the device-driver.
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