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You asked this in the Mac Laptops area.
To access the BIOS Setup, turn on the computer and repeatedly press the esc key to enter the Startup Menu, and then press the F10 key to enter the BIOS setup utility. Figure 1: Example - BIOS Setup Utility
The BIOS Setup window consists of options for Security, System Configuration, and Diagnostics.
Follow these steps to access the BIOS on a VAIO computer. WARNING: Other than resetting the BIOS to the default values, making changes to the BIOS is an advanced procedure that can produce unintended results if not done properly. For instance, if you set a Machine Password and later forget that password, it will require advanced technical support and possibly service to regain access to the computer.
Turn off the computer.IMPORTANT: If you are having difficulty accessing the BIOS, or are doing so as a step in troubleshooting an issue, it is recommended that you remove all media or any peripheral devices connected to the computer before trying to access the BIOS.
Restart the computer.
At the black VAIO logo screen, press the F2 key.
If you are accessing the BIOS as a step in troubleshooting an issue, you may need to reset the BIOS to the default settings. While the exact steps will vary slightly based on the version of the BIOS installed on the computer, these general steps will allow you to reset the BIOS to the factory default values:
In the Setup Utility window, use the arrow key to select Exit.
At the Exit screen, press the down arrow key to select Get Default Values, and then press the Enter key.
At the Get Default Values prompt, use the arrow keys to select Yes, and then press the Enter key.
At the Exit screen, with Exit Setup selected, press the Enter key.
At the Exit prompt, use the arrow keys to select Yes, and then press the Enter key.
try going into bios blue screen press f2 or f10 or f12 on start up beep . change setting in video settings
Watch for a "entering setup" message in the first few seconds after turning on your computer. This message varies greatly from computer to computer and also includes the key or keys you need to press to enter BIOS. Here are some common ways you might see this BIOS access message:
Press [key] to enter setup
Enter BIOS by pressing [key]
Press [key] to enter BIOS setup
Press [key] to access BIOS
Press [key] to access system configuration
Quickly press the key or keys instructed by the previous message to get into BIOS
It's on the bottom of the computer manufacturer logo screen.
Now press the CTRL and ALT and DELete keys at the same time. Restarts the computer.
JUST AS SOON AS IT STARTS, start tapping on the enter BIOS Setup key. Tap in 2 seconds intervals.
If you hear beeps ignore it. These are Stuck Key Error Code beeps, and it is you that is making them.
Still No? Turn the computer off by holding the Power On button in, for 10 seconds. WAIT 20 seconds, then press the Power On button.
AS SOON AS YOU PRESS the Power On button, start tapping on the enter BIOS Setup key. The rest is above.
[The time period to enter BIOS Setup goes by F-A-S-T! As soon as you see the computer manufacturer 'splash screen', (Logo screen), it may be TOO late. The above method makes sure you get in BIOS Setup ]
To access the BIOS Setup program, press the <Delete> key during the POST when the power is turned on. To see more advanced BIOS Setup menu options, you can press <Ctrl> + <F1> in the main menu of the BIOS Setup program.
Once in the MIT menu CTRL+F1 should show you more advanced options also.
BIOS is Basic Input Output System. On startup, before the windows screen comes on, you need to press one of the F# keys to enter the BIOS/setup screen. On my PC I have to press F2 to enter the BIOS/setup screen. The delete key can also take you to this screen on some PC's.
ESC Key BIOS Password removing procedure 1.
Starting with the computer fully off, turn it on by pressing and
releasing the power button. Immediately and repeatedly tap the Esc key.
The computer will display the "Password = " prompt. 2. Enter the
correct password, and press the Enter key. The computer will display
"Valid password entered, system is now starting up. Check system. Then
press (F1) key" 3. Press the F1 key. The BIOS setup program will appear. 4. Using the arrow keys or the tab key, move to the password field, and highlight REGISTERED. 5. Press the spacebar, enter the correct password, and press the Enter key. The Password field will change to NOT REGISTERED. F2 Key BIOS Password removing procedure 1.
Starting with the computer fully off, turn it on by pressing and
releasing the power button. Immediately and repeatedly tap the F2 key.
The unit will display the "Password = " prompt. 2. Enter the correct password, press the Enter key. (You may need to press the F2 key after you hit the enter key.) 3. The BIOS setup program will appear. 4. Using the arrow keys, move to the Security tab, and to Set User Password. 5.
Press the F5 or the F6 key to navigate to the Password section. Enter
the current password at the Old Password prompt, and press Enter. At the
New Password prompt, press Enter (without typing anything into the
password field). At the Confirm Password prompt, press Enter again
(without typing anything into the password field). The password should
now be removed. 6. Press F10 to save and exit from the BIOS Setup program.
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Occasionally, most computer owners will need to access BIOS on their computers in order to change or update the computer's most basic operations; such as memory and boot order.
Different computer manufacturers will have you press different buttons to access BIOS depending on the model you have. For example, on my laptop, I press F12 to enter the BIOS setup utility.
Here's how to figure out how to enter your computers BIOS setup utility. 1
Turn your computer on or shut it down and restart it if it is already on.
As soon as the computer starts up, watch for a message that informs you about which button you will need to push in order to enter setup, aka BIOS.
The opportunity to press the correct key to enter BIOS passes by quickly, so you need to find that key and press it before the computer moves on to the next stage of booting. If you miss your chance, just restart the computer and try again.
You can always access BIOS, even on computers that dont have an operating system installed. This is because BIOS is part of your computer's motherboard hardware and has nothing to do with Windows, Linux or whatever operating system you may be using.
Some very old Sharp PCs require a Setup Diagnostics Disk to access BIOS.
Shuttle - Glamor G-Series, D'vo, Prima P2-Series, Workstation, X Mini XPC, Surveillance
Press F2 or Del on startup.
Sony - VAIO, PCG-Series, VGN-Series
Press F1, F2 or F3 after turning on the computer.
Toshiba - Portégé, Satellite, Tecra
Press F1 or Esc after powering on to access BIOS.
The following companies are either closed for business or no longer manufacture or support mainstream computers systems so verifying the following BIOS access information is nearly impossible. I have included what I could dig up for anyone who might be interested: ARI / ALR / AST (Advantage) - Press the Ctrl+Alt+Esc or Ctrl+Alt+Del keys. Cybermax - Press the Esc key. Tandon - Press the Ctrl+Shift+Esc keys.