Is it necessary to format the USB flash drive to flash bios?

Flashing BIOS on a USB flash drive is a common operation method, but many people have questions about whether to format the USB flash drive. PHP editor Baicao tells you that it is not necessary to format the USB flash drive when flashing the BIOS. Normally, you only need to copy the BIOS upgrade file to the root directory of the USB flash drive. However, in some special cases, such as if there is a problem with the U disk file system or a specific file system format needs to be used, the U disk may need to be formatted. In general, decide whether you need to format the USB flash drive based on the specific situation. It is best to consult the relevant tutorials and instructions before flashing the BIOS. Remember, before performing any operation, be sure to back up important data to avoid data loss.

First let’s take a look at how to enter the BIOS and the necessary settings! Focus on simple and practical settings for easy understanding and operation!

Enter BIOS button

When installing the system, you need to consider the boot sequence of the device, that is, which device boots first, such as hard disk, optical drive, USB flash drive, etc. Nowadays, when a computer is turned on, the boot menu can usually be called directly without entering the BIOS settings to select the boot device. Therefore, BIOS settings are not necessary, just knowing how to call the boot menu is enough.

Boot menu shortcut keys

(Different models or motherboard BIOS versions, the boot menu interface is slightly different, but the content is similar)

Boot menu options Introduction

So if you can call the startup menu, everything will be fine? This is not the case. You only need to remember one principle to decide whether to set up the BIOS! If you don’t change, I won’t change. That is to say, when we reinstall the system, we will install whatever the original system is. If we do not change our system version, there is no need to change the BIOS settings.

Do I need to set the BIOS if I install different system versions? At this time we need to see whether it is an upgrade or a downgrade, that is, changing from WIN7 to WIN10/11 is an upgrade, or changing WIN10/11 to WIN7 is a downgrade. No matter whether it is a new or old computer, there is no need to change the BIOS settings when the system is upgraded or when the old computer is downgraded. You can directly call the startup menu and install the system through the USB boot. Only when downgrading and installing the system on a new computer, you need to set some relevant BIOS options. (The hardware of some new computers no longer supports WIN7 system installation, so these can be ignored)

Regarding the relevant BIOS settings involved in downgrading WIN10/11 to WIN7, the following are basically summarized:

(Different BIOS setting interfaces and setting items are slightly different)

Click to watch: Detailed explanation of BIOS settings

Enable compatibility support mode (CSM) or enable Legacy boot mode

Enable CMS mode

Enable Legic mode support

Hard disk interface settings (SATA HDD MODE=AHCI/IDE/RAID)

Hard disk interface mode

Hard disk interface mode

Hard disk interface mode

Secure boot (SECURE BOOT=ENABLE/DISABLE Dell computer turns off PTT security)

Turn off safe boot mode

Turn off safe boot mode

After understanding the BIOS related settings and calling the boot menu,we need to use a USB flash drive to boot into the PE system and partition and format the hard disk. (Back up data in advance, back up data in advance, back up data in advance)

Regarding partitioning, there are two partitioning modes involved: traditional mode MBR and new mode GUID. We will not introduce them here. Different partition modes. The main rule is that new computers with new modes will basically have no problems.

Click to watch: Detailed explanation of partitioning and booting video.

Here we are talking about reinstalling the system, which must have been partitioned. At this time, if we want to repartition and adjust the partition capacity, we only need to partition according to the original partition mode. If you want to preserve data, do not repartition the hard drive. Just format the system disk. You can also do nothing and choose to format the system disk when installing the system software.

Format the original system disk through partition software (back up the data)

Format the system disk

Let’s take a look at the details of the two partition modes operate:

MBR partition mode corresponds to the boot mode in BIOS: that is, turn on CSM mode or Legacy mode

MBR partition operation method

GUID partition mode corresponds to the boot mode in BIOS: UEFI boot mode

GUID partition operation Method

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Headline number: Computer maintenance technology sharing headline slogan: Share real technology and learn real knowledge About the author: From computer learning to working now, I have been working full-time in computer technology for more than 20 years. I dare not say that I am technically proficient, but I am willing to share my many years of experience with you!

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