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Nilutpol K avatar Ubuntu

Ubuntu Dual boot not able to detect pre-installed Windows 10 on SSD

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Nilutpol K

My Laptop Specs-

· Model - Acer Predator Helios 300
· Storage - 256 GB SSD and 1 TB HDD
· Graphics - Geforce GTX 1660 Ti
· OS - Windows 10 Home
· Boot Mode -  UEFI
· SATA Mode - RST Premium with Optane

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I want to dual boot my system with Ubuntu 18.04 along with my pre-installed Windows 10 OS. My Windows 10 is installed in the 256 GB SSD and I want to install Ubuntu 18.04 in the 1 TB HDD. I have unalloacted and freed 150 GB space for the Ubuntu installation.

I have disabled secure boot in the BIOS and enabled F12 boot menu.

But whenever I go for Ubuntu Installation, the installation setup is not able to detect my Windows 10 OS.It shows "This computer currently has no detected OS".

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If I go for the "Something Else" option, its not able to detect my SSD and the memory partitions are different than the actual ones. I have unallocated 150 GB of free space for my Ubuntu instalation but the Ubuntu installation wizard shows 161064 GB (~160 GB) of free space which is 10 GB more than the actual free space.

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My default SATA mode is ‘RST Premium with Optane’.

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I don't want to lose my work and data from Windows 10 as it contains many of my college projects. Please do help me out.

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mondotofu avatar
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mondotofu
I would recommend fully backing up your projects and data on the Windows readable SATA to an external removable device before proceeding.
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oldfred avatar
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oldfred
See: acer predator helios 300 PH 315-51 i5 8th gen nouveau.modeset=0 https://askubuntu.com/questions/1118751/has-anyone-successfully-dual-booted-ubuntu-18-04-lts-on-their-acer-predator-heli Acer Predator Helios 300 Boot into system, update, reboot then install drivers. https://askubuntu.com/questions/1194761/how-to-install-nvidia-geforce-gtx-1050-ti-drivers-for-ubuntu-18-04-03-lts-on-ace You need to turn Intel Optane off:https://ubuntuforums.org/showthread.php?t=2458373 & https://askubuntu.com/questions/1162452/problem-installing-ubuntu-in-a-laptop-with-intel-optane
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Nilutpol K avatar
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Nilutpol K
@mondotofu Thanks for the info. so do i need to back up the data from my SSD (which has pre-installed windows 10) or the HDD (where I need to install Ubuntu) ??
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mondotofu avatar
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mondotofu
In general you should make and maintain backups before making system changes preferably to a flash drive, or an external hard drive with sufficient capacity to hold the project files and required software to manipulate it.
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