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Re: Acer travelmate 4650, after bios flashing, no...
HI there Sounds like the bios flash has failed, the only thing you can do now is try to flash again, make sure you have the right bios update for that model machine, suggest you get a USB floppy drive so you are able to re-flash the bios, if it still doesn't work then the machine is rendered useless.
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No such creature. Best way to resolve the issue is to locate the cmos battery and remove it for a few minutes after disconnecting the power wire and removing the battery. Also jump the cmos clear jumper - usually around the battery. After five minutes or so, the default bios will be there with no bios password.
I know some methods to reset bios password. 1. The best and easiest method: Close OS and shut down the electricity power of computer. Open your computer box, take out the cmos battery from the mainboard. Then the bios password will be reset to blank. Put it back after a few minutes. 2. Follow some tutorials. For example the tutorials: Reset ACER Aspire 3610 BIOS Password - Only 8 Steps
To disable the bios password on your laptop, you will need to remove the
cmos battery on your laptop for some minutes and insert back, the cmos
battery is located on the motherboard of your laptop, once the cmos
battery is removed from the motherboard for some minutes, the bios
password will be reset, and the bios password will be disable.
Go to the Technibble website and locate the manufacturer of the BIOS for your computer. Write down the backdoor passwords that are listed.
Restart the computer and press the "F2" key to access the BIOS.
Enter one of the backdoor passwords to see if you can access the BIOS. Repeat this step until you find a password that works--but keep in mind, sometimes three wrong guesses will cause the computer to lock up.
Change the password for the BIOS to something else, then exit and restart the computer.
Remove the CMOS Battery
Unplug the computer from the wall outlet or power strip. Remove the screws on the back of the case that secure the side panel. Slide the side panel off and then locate the round CMOS battery that is attached to the motherboard.
Examine the battery to see how it is attached to the motherboard. Pull on the latch to release the battery and then remove it from the motherboard.
Wait about 20 to 30 minutes for the electricity in the capacitors on the motherboard to discharge or dissipate.
Set the CMOS battery back in the motherboard. Set the side panel back in place and the plug the power cord back in.
Restart the computer and press the "F2" key to access the BIOS
Try start up in Safe Mode press F8. Choose Safe Mode, when at the choice window, to select either Safe Mode Desktop, OR System Restore, chooses system restore and choose a time before you had the "Problem" and follow instructions. This should get you back.
The older Acer computers stored their passwords in the CMOS, so all you have to do is remove the CMOS battery for 30 minutes. Here is the proper procedure to do it correctly.
Disconnect the ac power adapter and remove the laptop battery. Push the power button for 10 secinds to drain any residual power. Remove the CMOS (RTC) battery for approx. 30 minutes. Replace the CMOS battery and attach the AC power adapter only, leave the main laptop battery out for right now. Power the laptop up and let it post. If it still asks for a password, leave it blank and try hitting enter. If it accepts the blank entry and posts, then you can enter the BIOS and change your settings.
Below is the link for your service manual to assist you in the removal and tear down of components for your system.
Check on motherbord again you can find cmos cell it is look like round battery cell. Then pull it for 10 minutes so all bios settings are defaults. Also you can clear bios with jumper find jumper on motherbord it has 3 -pin 1-2-3 right now jumper is in 1-2 position set it to 2-3 position so your bios is clear.Then again set it to it's original position. then it not ask for password. Let me know if you need more assistance. Thanks.
CMOS is usally on the back side of the laptop. you might have to take the back panel off. The bios is flashed onto the board its really not a chip that is interchangeable it is just there to hold the info for your bios
members have reported that they were able to remove their Acer BIOS passwords by simply opening their notebooks and removing the CMOS batteries for 30 minutes.
Once your BIOS password is removed, you will need to press the <F2> key during POST (Power On Self Test) to enter the Acer BIOS setup.
if that don't work, acer support charges 100.00 to reset the password, What a rip-off.