Many critical PC system settings are wired into the BIOS, a small microcircuit on the motherboard, which is an autonomously functioning minicomputer that tests the system at boot time. The acronym BIOS stands for English as follows: basic input / output system.
The simplest example of a setting that cannot be changed from the operating system is time and date. More complex, provided on some systems is the rotation speed of the processor cooler. There you can turn on the built-in sound chip, network card, set interrupts for devices. Therefore, the question of how to open BIOS is natural if you are faced with an atypical system. The fact is that on ordinary desktop PCs it has become almost a standard that you can enter the BIOS using the DEL key, however, laptop manufacturers have worked hard to ensure that the demand for spare parts and service services is consistently high, for this reason they may have a BIOS login algorithm completely different.
This article has collected the maximum number of combinations and tricks to achieve success; If you have a question how to open BIOS, try all of them. Of course, if you are a qualified service engineer and often encounter tuning and repairing laptops, you already know everything, but there are situations when you need to delve into what is called “on the fly”, and a good manual comes in handy ...
First you should try the top row of efok from Escape to F3 and from F10 to F12. Often, even at the preloading stage, a hint appears which key to press to enter the treasured menu. However, you may not have time to consider it. For this purpose, it is convenient to use the Pause button, which can be very useful for stopping the download at the POST testing stage. A common situation is that instead of a black screen when loading a laptop, a logo is displayed. Try to remove it with the Esc key to see a hint.
Less common combinations exist. Their scope is old and rare laptop models, as well as "branded" PCs like Dell, Compaq, Hewlett Packard and so on. We try the combination Ctrl + Alt + Esc, Ctrl + Alt + Ins, Ctrl + Alt, Ctrl + Alt + Enter, Ctrl + Alt + Del, Fn + F1, Ctrl + Alt + S, Ctrl + Ins. Some of them will definitely help.
If you do not want to guess, try otherwise to solve the question of how to open BIOS. Note that each laptop brand is characterized by a particular key combination for entering the administration of its parameters:
- For Acer, you can use Ctrl + Alt + Esc or F1.F2.
- The manufacturer of computers of non-standard forms of factors ALR prefers that the problem of how to enable BIOS be solved using the combination Ctrl + Alt + Esc or F2.
- AMD Corporation prefers F1 for all its products.
- If you are a lucky owner of a "brand" AST motherboard, try the combination Ctrl + Alt + Del, Ctrl + Alt + Esc.
- Note that in addition to the standard DEL, there are variations of the Award BIOS with Ctrl + Alt + Esc.
- Compaq is not so rare in Russia, especially among office PCs; To enter BIOS, press F10.
- The rare Cybermax prefers users to press the Esc key before turning on the BIOS.
- Dell is a huge American corporation with a developed model line, so for Dell Latitude combinations Fn + F1 and F2 should be suitable. In the Inspiron and Dimension series, F2 is used for this purpose. And on the 400 series - F1 and F3.
- IBM traditionally prefers F1 and F2, although there are exceptions. So that you don’t puzzle over how to open BIOS in IBM PS / 2, these combinations (they must be repeated one after another): Ctrl + Alt + lns, Ctrl + Alt + Del.
- Toshiba, like all companies focused on the domestic market, prefers originality; To enter the BIOS of laptops of this illustrious brand, use the ESC and F1 buttons.
- Sony prefers F1 and F3 keys in its popular VAIO series laptops.
- Packard Bell is usually an old PC, living out their lives on the office desk. You can enter Packard Bell system units BIOS using F1 or F2.
- Micron can be met quite rarely, but still system blocks of this brand sometimes come across, so it will be useful for you to know that you can open their BIOS by pressing F1 or F2.