device for boot loader installation dual boot

1. What should I choose for Device for boot loader installation?
2. Where do I put bootloader for dual boot?
3. Can I dual boot with UEFI?
4. Should I install GRUB bootloader to master boot record?
5. Where should the boot loader be installed?
6. Does Ubuntu need a boot partition?
7. Is dual boot safe?
8. Does dual boot slow down laptop?
9. How does a dual boot system work?
10. Can UEFI boot MBR?
11. What is the UEFI boot mode?
12. Can I boot from USB in UEFI mode?

What should I choose for Device for boot loader installation?

Under "Device for boot loader installation":

1. if you choose dev/sda, it will use Grub (Ubuntu's boot loader) to load all systems on this hard drive.
2. if you choose dev/sda1, Ubuntu need to be manually added to drive's boot loader after installation.

Where do I put bootloader for dual boot?

Since you are dual-booting, the boot-loader should go on /dev/sda itself. Yes, NOT /dev/sda1 or /dev/sda2 , or any other partition, but on the hard drive itself. Then, at each boot, Grub will ask you to choose between Ubuntu or Windows.

Can I dual boot with UEFI?

As a general rule, though, UEFI mode works better in dual-boot setups with pre-installed versions of Windows 8. If you're installing Ubuntu as the sole OS on a computer, either mode is likely to work, although BIOS mode is less likely to cause problems.

Should I install GRUB bootloader to master boot record?

In that the author chose NO option at the GRUB Boot loader to the master boot record. But I think I should choose YES. ... By default, the installer will want to install GRUB, the boot loader, in the Master Boot Record (MBR). However, for setting up this dual-boot system, we want GRUB in the boot partition.

Where should the boot loader be installed?

Just a fyi, for UEFI install mode, the "Device for boot loader installation" should be the EFI System Partition(= a smallish fat32 partition). In your case, it is the same as Windows Boot Manager at /sda1, ie not /sda. ....... /sda or the internal hard-drive is for Legacy BIOS install mode.

Does Ubuntu need a boot partition?

At times, there will be no separate boot partition (/boot) on your Ubuntu operating system as the boot partition is not really mandatory. ... So when you choose Erase Everything and Install Ubuntu option in the Ubuntu installer, most of the time, everything is installed in a single partition (the root partition /).

Is dual boot safe?

Not very secure

In a dual boot set up, OS can easily affect the whole system if something goes wrong. This is especially true if you dual boot same type of OS as they can access each other's data, such as Windows 7 and Windows 10. ... So don't dual boot just to try out a new OS.

Does dual boot slow down laptop?

If you don't know anything about how to use a VM, then it is unlikely that you have one, but rather that you have a dual boot system, in which case – NO, you will not see the system slowing down. The OS you are running will not slow down. Only the hard disk capacity will be decreased.

How does a dual boot system work?

A dual boot system is a computer system in which two operating systems are installed on the same hard drive, allowing either operating system to be loaded and given control. When you turn the computer on, a boot manager program displays a menu, allowing you to choose the operating system you wish to use.

Can UEFI boot MBR?

Though UEFI supports the traditional master boot record (MBR) method of hard drive partitioning, it doesn't stop there. It's also capable of working with the GUID Partition Table (GPT), which is free of the limitations the MBR places on the number and size of partitions. ... UEFI may be faster than the BIOS.

What is the UEFI boot mode?

UEFI is essentially a tiny operating system that runs on top of the PC's firmware, and it can do a lot more than a BIOS. It may be stored in flash memory on the motherboard, or it may be loaded from a hard drive or network share at boot. Advertisement. Different PCs with UEFI will have different interfaces and features ...

Can I boot from USB in UEFI mode?

Dell and HP systems, for instance, will present an option to boot from USB or DVD after striking the F12 or F9 keys respectively. This boot device menu is accessed once you've already entered into the BIOS or UEFI setup screen.