You have a few options here.
1. Generally repeatedly pressing F2 during startup will give you a menu. If that doesn't work:
2. I use this little trick often. I will pull the hard drive out then turn it on. The system has no choice but to let you in to the BIOS, since there is no drive lol. You can then make your preferred change. Options include:
a. Change from UEFI to Legacy (This will let you access the BIOS whenever you want with F2) Although the current OS will be inaccessible while it is set to Legacy.
b. Disable Secureboot and set the USB devices to the first option. This will let you boot to a USB drive when you want. You can insert the OS you want and do a fresh install. It's like a factory reset, but more up-to-date than the old copy on the factory partition.
Please back up your files at some point, although I'm betting that if you are trying a factory reset, you already have.
SOURCE: acer aspire 3100 series
If you where the CMOS battery is, there's beside it a jumper inserted in two of the 3 pins(left pin and middle pin). Remove the jumper from its original position and with it short the middle pin and right pin. This resets the CMOS ROM to its default settings minus the password. Return the jumper to its original position as before. Reboot the computer.
SOURCE: acer aspire not booting up
Dear f1at3r1c
Righteo then, you should be starting by resetting your BIOS, and you can do this by removing the outer casing o the PC tower. Once yoiu have done this you then need to find the jumper that clears the CMOS/ BIOS. Now if you are somewhat unsure of what a jumper switch is, it just consists of a smallplatic cap which covers two metal conductive pins on the motherboard. There is usually a pin which is not covered.
Now once you have found the CMOS/ BIOS jumper setting, you will need to first remove the motherboard battery. The battery is nothing more than a glorified watch battery of the CR2032 type, and it will be silver in colour and obviously round in shape (typical cell battery).
Once you have removed the battery, you will need to then clear the CMOS/ BIOS and this is done by moving that jumper switch into the clear position. The pin that is exposed will need to be covered withthe plastic jumper, and the pin on the opposite side will need to be exposed. Leave the jumper in the clear position for about 10-20 seconds or so, and then replace it back to the original position. (doing this discharges all of the electricity in the BIOS/ CMOS chip). Once you have done this, you put the battery back in place and then start the machine, then you are good to go. Start the machine and enter the BIOS as you planned to do. You might want to consider ormatting your hard disk and re-installing windows or whatever operating system you have, and this is eeasy enough, just change the boot sequence to boot from your CD/ DVD drive first, the your hard drive second. Once its loaded up, re-enter the BIOS and reset it back to HDD first.
Now f this has not worked, then you have an oooopsie (this is my saying of oh ***T, oops, something has malfunctioned. Its more than likely to be hardware driven, so take out your hard drive first and try to boot, if it lets you bios, then you found your fault. Try this with all devices until you either find the fault, or you have narrowed this to your processor/ motherboard.
Now im sure this will solve your problem, but there is one thng you should need to know about, and it is how to identify the correct jumper. This will have either any of the following markings written on the motherboard very close to the where the jumper is. You may need glasses/ magnifyer lens in order to read the lettering, but it should say one of the following things.
CLRCMOS
CLCMOS
CLRBIOS
CMOSRST
RESET
CMOSRT
BIOSRST
CMOSCLR
CLEAR
could also be under J1, JUMPER1
Now im sure that this is the fixya for you, but if this still does not work, then please get hold of me, and i will provide you with more info.
I wish you all the best, and hope you manage to solve this issue sortly
kind regards
yours sincerely
Oz
SOURCE: Recovery???How to get it started Acer aspire t135
reboot and when its start press f12 should then give you the options where to boot from .
all the best
SOURCE: Boot sequence / bios password issues with Acer Aspire 5100
The finger print bull is how that password came up for me and they want a 125.00 to remove it. I called the better business bureau and filed a complaint. They shouldn't have any right to control your laptop. I to have a 6292 , took it apart as far as I could and could not find jumper or password. This is a gimmick to make money.
SOURCE: Acer Aspire One has Hard drive Password frozen
There should not be a password set in the BIOS unless you set it up with one. You can clear the BIOS to BRAND NEW state. Acer can guide you through this if it is under warranty. If it is not, write back and I will help you do this.
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