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Question on dual boot

asked 2018-10-17 05:10:33 -0500

kraljic37 gravatar image

updated 2018-10-17 05:19:18 -0500

Hi I have an Asus laptop with 1TB mechanical hard drive and an NVME M.2 SSD of 250 GB .Yes. Not 256 GB for some reason

I have 2 requirements related to dual boot:

1. I would like to install both Windows 10 and Fedora 28 on this laptop's 250GB SSD. Can I configure dual boot with the above setup ? ie. Install both Windows 10 and Fedora 28 on the 250 GB SSD ?

2.By default , I want Fedora 29 to load (boot up). I would like to manually choose Windows 10 to boot up . Is this possible ? I mean, I want to use Windows 10 only for MS Office and Adobe PDF editing.

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Which model of Asus laptop? We need to know that to confirm an NVMe drive can be used to boot. Please obtain it from the serial number plate underneath, as manufacturers often have multiple model numbers; we need the one from the serial number plate, not the 'marketing' model from elsewhere. Once you have it, please click on edit under the end of your original post to add it to the original question.

K7AAY gravatar imageK7AAY ( 2018-10-17 12:30:31 -0500 )edit

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answered 2018-10-17 12:34:23 -0500

We can answer #2 right now: The default configuration of GRUB2, the Fedora boot manager, is Fedora First, Windows Last. So, IF you can boot from the NVMe drive, yes, Fedora will be the default.

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answered 2018-10-17 12:21:02 -0500

cmurf gravatar image

Probably. But it depends on whether the firmware uses NVMe as a cache (e.g. Intel Smart Reponse), which Linux has no way of supporting for dual booting. It's safe to run the installer, choose "Installation Destination" and see if the installer sees both drives. If it does, it will let you choose just one of them (so you'd choose the NVMe drive). If it only shows one drive, then it's possible they've been merged by a firmware caching feature. And in that case you'd need to backup Windows, disable that caching feature in firmware setup, reinstall Windows to the NVMe drive, resize Windows (50/50 split seems reasonable) to create free space, and then run the Fedora installer and choose the NVMe drive. By default the Fedora installer will install into free space, and will boot by default with an option to boot Windows.

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answered 2018-10-17 22:26:02 -0500

kraljic37 gravatar image

updated 2018-10-17 22:28:06 -0500

Thank You guys. Actually, I am planning to buy either of the below laptops (Asus or Lenovo). I will be buying a custom one with WD Black 250 GB SSD (NVME).

cmurf mentioned "whether the firmware uses NVMe as a cache (e.g. Intel Smart Reponse)" . No. I want the NVME Drive to be used to install Fedora 28/29 and Windows 10 OSs and few softwares like below.

Firefox ---> both OSs

MS Office Suite, Adobe Acrobat, Adobe Photoshop --- > Windows 10

-- ASUS TUF Gaming FX505 (15.6 Inch screen)

-- Lenovo Y730 (17" inch screen)

I have one more question: When I googled/youtubed about configuring Fedora 28 and Windows 10 dual boot, I always see that they install Windows 10 first and then install Fedora/Ubuntu. Why is that ?

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to your last question: why to install WINDOWS first: the simple reason is that Windows overwrite the bootloader with its own. That is the main reason why you should install Windows before all other Operating Systems.

heliosstyx gravatar imageheliosstyx ( 2018-10-18 04:07:39 -0500 )edit

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Asked: 2018-10-17 05:10:33 -0500

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Last updated: Oct 18 '18