what is the difference between traditional bios and uefi?
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BIOS and UEFI are two firmware interfaces for computers to start the operating system. BIOS uses the Master Boot Record (MBR) to save information about the hard drive data while UEFI uses the GUID partition table (GPT). Compared with BIOS, UEFI is more powerful and has more advanced features.
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The USB drive is bootable. Your BIOS/UEFI is properly configured to boot from the USB flash drive first. You have the ISO image of Windows XP, Vista, 7, 8 or 8.1. If you have the original Windows installation disc, you can use that instead of the ISO image.
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Check if you are using UEFI or BIOS on Windows On Windows, “System Information” in Start panel and under BIOS Mode, you can find the boot mode. If it says Legacy, your system has BIOS. If it says UEFI, well it's UEFI. Here, in the Windows Boot Loader section, look for Path.
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System Information Click on Start, choose Run and type in msinfo32. This will bring up the Windows System information dialog box. In the System Summary section, you should see an item called BIOS Version/Date. Now you know the current version of your BIOS.
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The BIOS is a small program that controls the computer from the time it powers on until the time the operating system takes over. The BIOS is firmware, and thus cannot store variable data. CMOS is a type of memory technology, but most people use the term to refer to the chip that stores variable data for startup.
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The BIOS (Basic Input Output System) controls communication between system devices such as the disk drive, display, and keyboard. ... Each BIOS version is customized based on the computer model line's hardware configuration and includes a built-in setup utility to access and change certain computer settings.
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Master Boot Record (MBR) disks use the standard BIOS partition table. GUID Partition Table (GPT) disks use Unified Extensible Firmware Interface (UEFI). One advantage of GPT disks is that you can have more than four partitions on each disk. GPT is also required for disks larger than two terabytes (TB).
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['Access the BIOS Setup utility. See Accessing BIOS.', 'Press the F9 key to automatically load the factory default settings. ... ', 'Confirm the changes by highlighting OK, then press Enter. ... ', 'To save the changes and exit the BIOS Setup utility, press the F10 key.']
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If the Boot Menu isn't available, you can force your computer to boot from an external and removable media (such as a USB flash drive, CD or DVD) by configuring your BIOS/UEFI settings. Newer computers models with UEFI/EFI need to have the legacy mode enabled (or disabling the secure boot).
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Default Partition Style Windows 7 FAQ Windows 7 can be installed on both MBR and GPT disks. MBR uses the legacy BIOS while GPT uses UEFI. The maximum addressable space MBR partition supports is 2TB, while for a GPT disk, it reaches up to 18EB.
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In general, you shouldn't need to update your BIOS that often. Installing (or "flashing") a new BIOS is more dangerous than updating a simple Windows program, and if something goes wrong during the process, you could end up bricking your computer.
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EFI settings are stored in NVRAM, typically some flash on the motherboard (part of the flash chip which stored the motherboard's firmware, including the UEFI itself). See Wikipedia for more details. So you can safely change hard drives without losing EFI settings.
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BIOS uses Flash memory, a type of ROM. The BIOS software has a number of different roles, but its most important role is to load the operating system. When you turn on your computer and the microprocessor tries to execute its first instruction, it has to get that instruction from somewhere.
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To benefit fully from an NVMe SSD, you must be able to boot the operating system from it. That requires BIOS support. Sigh. Most older mainstream BIOSes do not support booting from NVMe and most likely, never will.
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The Unified Extensible Firmware Interface (UEFI) is a modern software designed to replace the legacy BIOS with additional benefits, such as improved security, faster boot times, large capacity hard drive support, and more. ... If you use a Windows 10 device, usually, the firmware works automatically.
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When your computer is starting up, press F2 to enter the BIOS setup. You can check the BIOS version in “BIOS version” item under Main menu: In Windows OS, you can use system detection software such as CPU-Z to check the BIOS version.
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['Boot to BIOS. ... ', 'Check your current BIOS version. ... ', 'Download the most recent BIOS iteration from the ASUS website. ... ', 'Boot to BIOS. ... ', 'Select the USB device. ... ', 'You will be prompted one final time before applying the update. ... ', 'Reboot upon completion.']