Which key press to enter in BIOS of all PC

Hello World,
Sometimes you have problems with our operating system, we are interested in or simply view or change the basic settings of your computer, then it is useful to enter the BIOS (Basic Input Output System) of our computer.
The Bios is a program installed on the motherboard, is the first thing which makes access our computer, so depending on the options insert inside, our PC will move accordingly.

It is often used to change the boot priority of the system in order to install a new operating system from CD / DVD or USB stick, or to change the rotation and the speed of the fans (In Bios most advanced).
To access the BIOS, you will not have to do is press a button before the operating system starts, if you use Windows, the button must be pressed before you see the classic flag loaded.

But what we have to press button to access them?
Since the BIOS is a program then each brand has created its own means of accessing them, every brand has its own particular key to press to enter the BIOS.

Precisely for this might interest you a list, divided by brand, the key combination that you need to press to enter the BIOS

Acer (Aspire, Power, Veriton, Extensa, Ferrari, TravelMate, Altos): Press [F2] o [Canc] ;

Acer (Altos 600 Server): Press [Ctrl]+[Alt]+[Esc] o [F1] while the boot (advance settings);

Acer (Older PC): Press [F1] o [Ctrl]+[Alt]+[Esc];

AMI (American Megatrends AMIBIOS, AMI BIOS): Press  [Canc] while the boot;

AMI (American Megatrends AMIBIOS, AMI BIOS) – Old Version: Press [F1] o [F2] while the boot;

Award BIOS (AwardBIOS): Press [Canc]

Award BIOS (AwardBIOS) – Vecchie versioni : Press [Ctrl]+[Alt]+[Esc] while the boot;

ALR: Press [Ctrl]+[Alt]+[Esc] o [Ctrl]+[Alt]+[Canc] while the boot;

ARI: Press  [Ctrl]+[Alt]+[Esc] o [Ctrl]+[Alt]+[Canc] while the boot;

AST Advantage: Press  [Ctrl]+[Alt]+[Esc]  while the boot;

Compaq (Presario, Prolinea, Deskpro, Systempro, Portable): Press  [F10] when the cursor flashes at the top right of the screen;

Compaq (Presario, Prolinea, Deskpro, Systempro, Portable): Press  [F10] when the logo is shown on the screen;

Compaq (Older Computers): Press [F1], [F2], [F10], o [Canc];

Cybermax: Press  [Esc];

Dell (XPS, Dimension, Inspiron, Latitude. OptiPlex, Precision, Vostro): Press  F2 when the Dell logo is displayed;

Dell (Older 486 Models): Press  [Ctrl]+[Alt]+[Enter] while the boot;

Dell (Some Models): Press Reset two times;

Dell Dimension L566cx System: Press  [Canc];

Dell (Older Laptop Models) : Press [Fn]+[Esc] or [Fn]+[F1];

DTK (Datatech Enterprises): Press [Esc]  while the boot;

EISA Computer: Press the Reset button located on the front to the computer, then press [Ctrl] + [Alt] + [Esc] just starts counting memory, or press [Ctrl] + [Alt] + [S];

eMachines (eMonster, eTower, eOne, S-Series, T-Series): Press [Tab] o [Canc] while the boot;

eMachine (Some Older Computers): Press [F2];

Fujitsu (LifeBook, Esprimo, Amilo, Tablet, DeskPower): Press [F2] when the Fujitsu logo appears;

Gateway Using Phoenix BIOS (DX, FX, One, GM, GT, GX, Profile, Astro): Press [F1];

Gateway (Some Older PCs): Press [F2];

Hewlett-Parkard (HP Pavilion, TouchSmart, Vectra, OmniBook, Tablet): Press [F1] 

Hewlett-Parkard (HP Alternative): Press [F2] or [Esc];

Hewlett-Parkard (HP) Tablet PC: Press [F10] or [F12];

IBM ThinkPad using IBM BIOS (Early Models): Press [Ctrl]+[Alt]+[Ins] when the cursor appears in the upper right of the screen;

IBM ThinkPad using IBM BIOS (Later Models): Press and release the [F1] when the laptop is turned on;

IBM ThinkPad using Phoenix BIOS: Press [Ctrl] + [Alt] + [F11] from the DOS prompt;

IBM PS/1 (Late Models), PS/ValuePoint and 330s: Press [Ctrl]+[Alt]+[?];

IBM PS/2 with Reference Partition: Press [Insert]  while the boot;

IBM PS/2: Press [Ctrl] + [Enter] when the pointer is in the upper right of the screen;

IBM PS/2: requires the reference disk and the disk ADF for installation;

IBM PS/2 75 and 90: Press [Ctrl]+[Alt]+[?];

IBM (PC, XT, AT): Press [F1] 

IBM (Older Computers or Notebooks): Press [F2];

Lenovo (ThinkPad, IdeaPad, 3000 Series, ThinkCentre, ThinkStation): Press [F1] or [F2] at boot;

Lenovo (Older Products): Press [Ctrl]+[Alt]+[F3], [Ctrl]+[Alt]+[Ins] or [Fn]+[F1];

Microid Research MR BIOS: Press [F1];

Micron (MPC Computers ClientPro, TransPort): Press [F1], [F2] or [Canc];

NEC (PowerMate, Versa, W-Series): Press [F2] while the boot;

NEC Versa Notebook: Press and release [F1] at boot;

Olivetti PC Pro: Premere [Ctrl]+[Alt]+[Shift]+[Canc](del Num Pad) while the boot;

Packard Bell (8900 Series, 9000 Series, Pulsar, Platinum, EasyNote, imedia, iextreme): Press [F1], [F2], or [Canc];

Packard Bell (Early 386 and 486 Dodels): Press [Ctrl]+[Alt]+[S];

Phoenix BIOS (Phoenix-Award BIOS): Press [Canc] during the self-test;

Phoenix BIOS (Phoenix-Award BIOS) – Old Version: Press [Ctrl] + [Alt] + [S], [Ctrl] + [Alt] + [Esc], [Ctrl] + [Alt] + [Ins] or [Ctrl] + [S] during startup or boot;

Sharp (Notebook Laptops, Actius UltraLite): Press [F2]

Sharp (Old PCs): requires the setup of diagnostics;

Shuttle (Glamor G-Series, D’vo, Prima P2-Series, Workstation, X Mini XPC, Surveillance): Press [F2] o [Canc] at system startup;

Sony (VAIO, PCG-Series, VGN-Series): Press  [F1], [F2] o [F3]

Sony Vaio 320 Series: Press [F2] while the boot;

Tandon 386: Press [Ctrl]+[Shift]+[Esc];

Tandon: Press[Ctrl]+[Shift]+[Esc];

Toshiba (Portégé, Satellite, Tecra): Press [Esc] while the boot;

Toshiba (Portégé, Satellite, Tecra with Phoenix BIOS): Press [F1] while the boot;

Zenith, Phoenix: Press [Ctrl]+[Alt]+[Ins] while the boot;

Other common keys and key combinations to access the BIOS, to try if your computer is not listed above:

[Ctrl]+[Esc]

[Ctrl]+[Ins]

[Ctrl]+[Alt]

[Ctrl]+[Alt]+[+]

[Ctrl]+[Alt]+[F3]

[Ctrl]+[Alt]+[Del]

[Ctrl]+[Alt]+[S]

[Ctrl]+[Alt]+[Invio]

[Ctrl]+[Alt]+[Ins]

[Ctrl]+[Alt]+[Esc]

[Ctrl]+[Shift]+[Esc]

[Tab]

[F1]

[F3]

[F4]

[F10]

[F12]

[Fn]+[Function key]