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[SOLVED] Boot device not detected after install
#1

System Specs
Operating System – Linux LiteLinux Lite 8.0
CPU / ProcessorIntel Core i3-3217U
Memory (RAM)6 GB
StorageHard Drive (HDD)
Graphics (GPU)NVIDIA GeForce GT 740M
Hi, I'm trying to install Linux Lite on an old ASUS laptop from a usb drive.
The live install went fine, I chose the ''Erase Disk'' option.
When the install was done, I rebooted. I was  prompted to remove the usb drive and I did so.

Then, I got a black screen with the message : "Reboot and Select proper Boot device or insert Boot Media in selected Boot device and press a key" and no other options

I checked the BIOS, Secure Boot is disabled and my only boot options are called  " HL-DT-ST DVDRAM GU71N" which must be the DVD reader of the laptop, and "Realtek PXE B04 D00". Booting with either of those fails and displays the same message.
When I tried to re-install, the "Partition" section of the install showed an existing Linux partition, so i should have a correct device to boot from.

I tried to re-install several times with manual partitioning but still got the same message.

Any idea of what I should do ?

Thanks in advance
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#2

The thread has been marked solved.  Do you still need help ?
If you resolved the issue yourself please provide the details of the  fix to help others who may have the same symptom.

stevef
clueless
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#3

(07-21-2026, 04:58 PM)stevef Wrote:  The thread has been marked solved.  Do you still need help ?
If you resolved the issue yourself please provide the details of the  fix to help others who may have the same symptom.

Yes it works now
I installed again and did the manual partitioning by following the steps in this tutorial : https://wiki.linuxliteos.com/en/install
Then it booted correctly.

(I should note that the tutorial seems to be missing a step : the screenshot at the end shows a 8Mb partition, but the tutorial doesn't say to create it. I had to create it using the settings visible on the screenshot, without it the system wouldn't boot.)
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#4

Coconut Wrote:Yes it works now
Thank you for persisting and glad you got it working.

I think the requirement (or not) for an 8MB partition depends on
1) if the system is BIOS or UEFI and
2) if the disk partitioning is going to be MBR or GPT.

It can get a bit complicated which means documenting a manual installation sequence can't cover everything.  Maybe the screenshots used in the wiki need looking at.
Can you confirm if your ASUS system is BIOS only, UEFI running in BIOS mode or full UEFI and what disk partitioning is in use ?

stevef
clueless
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#5

I'm not sure, but my BIOS had both a UEFI and a non-UEFI boot option for my usb drive, so i guess UEFI in BIOS mode.
I used GPT disk partitioning like in the tutorial
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#6

Coconut Wrote:so i guess UEFI in BIOS mode.
I used GPT disk partitioning like in the tutorial
That would be a complicated combination.  GPT is natively supported by UEFI without requiring legacy mode.  The wiki does advise 'make sure UEFI is enabled'.

These combinations would generally be considered conventional.
BIOS and MBR (older technology)
UEFI legacy mode and MBR (allows a UEFI system to boot an MBR disk for backwards compatibilty)
UEFI and GPT (current technology)

stevef
clueless
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#7

The 8mb partition won't work for everyone, I had a report that if that person made a 8mb partition, they could not complete a successful install.

If anyone would like to update the Wiki with an appropriate addition, anyone can contribute. The details are on the first page of the Wiki.

Download your free copy of Linux Lite today.

Jerry Bezencon
Linux Lite Creator

"Do not correct a fool, or he will hate you; correct a wise man and he will appreciate you."

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#8

(07-22-2026, 07:38 PM)valtam Wrote:  The 8mb partition won't work for everyone, I had a report that if that person made a 8mb partition, they could not complete a successful install.

If anyone would like to update the Wiki with an appropriate addition, anyone can contribute. The details are on the first page of the Wiki.


I can't figure out the use of the 8 MB partition.
I used many times my ASUS MX200 which has a legacy option, to boot old ISOs and very long ago (Lite 3.x, 4.x), this was the way to setup.
Yet, I never had (to create) any other partition than the 512 MB FAT 32 flagged "boot, efi". It all worked fine. The machine is 2014 so, pretty old and low resources (Celeron N2830 and 2 GB RAM) yet, I was able to run even LL 7.4. on it. the configuration was pretty standard:
/dev/sda1, 512 MB, FAT32, boot. efi;
/dev/sda2, 30 GB, ext4, / (Root);
/dev/sda3, 60 GB, ext4, /home;
 /dev/sda4, 6 GB, SWAP;
etc... (depending on the available space)
The system is a native UEFI.
On the other hand, as far as I remember the old days, the 8 MB partition was used to store the BIOS version for GRUB, so, that means the machine is BIOS based and thus, has an MSDOS partition table. So, what is the use of a 8 MB partition on a GPT disk? Even if it  is old (as the above) if the machine is UEFI based, it will boot from the right partition.
Although I never liked the dual-boot philosophy, I set up such a solution, just to see if I can make the two live together.
It worked without any other changes in the layout.
I saw this kind of partition on SSHD though. Nobody mentioned "SSHD" in this conversation, though. This partition is in fact the disk cache (which is SSD), but we're speaking here of a true SSD  (NVME).
Further more... The disk/partition is labeled as /dev/nvme0n1 so, it is a new media.
The only idea that comes into my mind, is a Windows XP installation, but the filesystem is ext4...

Best regards!

"It's easy to die for an idea. It's way harder TO LIVE for your idea!"
Current Machine:
Dell Precision T1700, 16 GB RAM, SSD Kingston A400, 480 GB.
Laptop:
ASUS X200MA , Intel® Celeron® N2830, 2 GB RAM, SSD Kingston A400, 480 GB.
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