OS drive no longer shows in BIOS

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Jeanmimi

PCHF Member
Feb 10, 2023
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Hi all,

When I boot my laptop, it boots directly into bios. The laptop is 5 years old. The issue is new. The PC is described below.

Asus ROG Strix GL502VS
i7- 6700HQ
GTX 1070 GeForce
SSD M2 Micron, MTFFDDA v512TBN
Windows 10

The only drive in the PC is the M2 SDD drive. No particular event occurred before the symptoms appeared. (No mishandling, installing or removal of hardware/software). In the boot order of BIOS, there are no visible drives.

I changed the boot configuration from UEFI to CSM. This did not resolve the issue.
I reseated the M2 drive. This did not resolve the issue.

I suspect a hard drive failure (due to age and wear).

I do not know where to go from here. Do I need to push my investigation further or have I identified the issue? Mostly so, how can I resolve the issue ? I have a spare SATA 3 SSD for which there is a slot in the laptop, also I have table top PC and a USB / SATA 3 cable, to set up the SATA 3 drive. So I have some tools on hand to fix the issue if a HD failure is the problem.

Thanks in advance for you help.
 
you need to either install the ssd and install windows again or replace the M2.
I would add the ssd, remove M2.
Install windows.
Test
If all good run with ssd.
or
Replace M2 and reinstall windows with only M2 connected.

Reinstall Win 10 Fresh Install

Download the win 10 tool run it to recreate the flash drive – Must be minimum 8GB

https://www.microsoft.com/en-au/software-download/windows10


Watch this video
How To Install Windows 10 From USB - YouTube

In the video at 2:35 Where to install Windows. Highlight each partition and delete.

Then install on the unallocated space.


In the video at 2:54 you will notice it restarts the computer.
When you are doing this and you get to that point Remove the usb stick whilst it is restarting.
Also if you want to setup a local account instead of logging in with a Microsoft account
Turn off your wireless network and or remove the network cable.
This point is 3.32 in the video - Choose I don't have internet.
If you want to log in with a Microsoft account then leave the network as is.



Before doing any install, it is a good idea to go to the support page for your system. Download the drivers you are going to need i.e. chipset, sound, video, wireless, etc. WhilstWin10 has a lot of native drivers, Microsoft drivers are designed for ease of use and are NOT designed for any type of performance. Store these drivers on another usb or you can even just make a folder on your install usb when you are finished making the install usb. Copy the drivers into that folder.

When you are finished with the Windows install, then install your drivers.

  • Chipset or Motherboard
  • Sata or hard drive
  • Video adapter
  • Network interface card (NIC)
  • Audio
  • Touchpad
  • Any other hardware drivers needed for your particular model.
Reboot after installing the drivers
 
Thank you all for the information. I will perform the tests you have recommended and come backhere with the results. Regards Jeanmimi.
 
ASUS notebooks ALWAYS boot into the BIOS when there in no bootable media attached (HDD, SSD, USB).

So either the HDD is not properly installed, or it is not set up correctly in the BIOS, or there is no software installed.
Have you tried booting with the Windows installation USB attached?

As PeterOz stated, you will have to add the drivers during setup.
 
Rustys said:
If you hook this up does the system, see it?


When was the last time the CMOS battery was changed?
Click to expand...
Hello,

The SSD doesn't show up in BIOS if Ihook it up. CMOS battery has never been changed. Date and time in the bios is coherent, so I don't suspect a CMOS battery failure.

I'm attempting to deploy the solution suggested by PeterOZ

Regards.
 
Using the Win 10 tool I was able to launch into windows normaly. I didn't reinstall Win10, there was an option to fix the current installation. I clicked on that and was able to launch into windows normaly. The PC is running off the M2 drive.

I removed the flash drive and restarted and the PC performed a "cleaning operation" then started normaly.

I'm busy cloning the M2 onto the SSD in case I just had some sheer luck.

I didn't know about the Win10 utility, that seems to have been the corner stone of the recovery.

I'll post here if the PC runs and reboots reliably. Seems to be going well at this point.
 
The M2 drive still doesn"t appear in the boot order. Only the SSD. The PC boots normally (perhaps off the partion in the SSD). Once windows has loaded, the OS is run from the SSD and not the M2. Weird.
 
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