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Its ASUS Vivobook s550
ASUS VivoBook S550CA | Notebooks | ASUS Global
Its ASUS Vivobook s550
ASUS VivoBook S550CA | Notebooks | ASUS Global
Well, so there is no problem to run windows 10 on this device.
Lately I have noticed a number of INACCESSIBLE_BOOT_DEVICE (stop 0x7B) issues after some windows update. It means the disk containing the boot record is not accessible by the system; and so it is failing to boot. The basic troubleshooting steps are laid down here: Troubleshooting stop 0x7B and stop 0xED. - Windows 7 Help Forums
But as the error came as a result of a windows update, it needs to determine which update is causing the issue. It is difficult to do from an unbootable computer.
Boot into the BIOS. Change the storage controller mode back and forth. Either one may work. If neither works, then set it back to where it was, and set the BIOS to optimized defaults.
If it boots with Optimized Defaults, good. If not, you may either follow the steps of the above mentioned troubleshooting or simply proceed with a clean reinstall. My personal opinion is that you should go for a clean reinstall.
Windows 10 will assume the USB3 driver automatically. Get the SmartGesture driver from the vendor and install it.
Before doing that, can you please do another thing?
Do you have access to another computer right now? If so, download Partition wizard Bootable CD (the last one in the link). Burn it in a blank CD or in a USB flash stick.
Boot into Partition Wizards GUI following this instructions. When you are on the last screen, take a camera snap of the screen and upload the snap here.
Screenshots and Files - Upload and Post in Ten Forums
We need to see the partitions and parameters. This might tell something about the non-bootable state of the computer.
But if you want to perform a clean install right now, you can salvage the files in this stage too. Windows 10 Recovery Tools or a bootable Puppy Linux will do it. Boot into either of those, browse to the data, copy them externally, perform a clean reinstall.
Yeah I will do the Partition Wizard thing now. But before I do it, I can tell you that my pc's 500gb hard drive has 2 partitions, one has the OS on it. I can afford to wipe all the data from that partition because my personal files stored there are backed up. But the other partition is not backed up so I need a way to secure those files before anything. I'm not sure how the reinstall works and if it wipes the entire hard drive or just the partition that the OS is on. Plus there is a 24GB SSD to help with fast start up time I guess.
Here lies a big contradiction. CSM enabled means Legacy BIOS mode; and the boot order is UEFI.
Plus there is an active partition in your GPT disk which is having a recovery partition as well.
Have you tried anything else other than what we suggested?
Please disable CSM. See if UEFI boot restores back.
If not, just because of the haphazard partition structure of the disk; I would suggest you to back up your data, format the entire disk, and install windows afresh.