Windows 10: My Windows doesn't start

When I turned on my laptop, it showed a black screen with the message "No bootable device -- insert boot disk and press any key"

I used a USB with the Windows 10 installer to repair my laptop.

Tried a lot of different solutions that I found online. They didn't work.

I didn't know what to do, then I used Command Prompt and ran diskpart and I think that I found the problem. There are only two partitions on my laptop one of 900GB type Principal and a second one of 21GB type Principal (which I know it's called Lenovo and is a backup with the drivers).

My laptop has a UEFI system, so there should be more partitions, right? Or at least that's what I read online.

This is the first time I have a problem like this. Is there any way to reinstall those partitions? Using the USB with the installer or something like that?

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:)

 

Windows doesn`t start. Authomatic repair doesn`t work.

Thanks again!!

I`m sorry I had not noticed that the text on the picture was in spanish. It says that windows has replaced some damaged clusters in "name" file and "directory". Then, at the end "an unspecified error occurred (75736e6a726e6c2e 4f6)".

I`ll do it and I`ll be updating this thread when I have the report.

- - - Updated - - -

I ran SeaTools. These are the results:




Does it mean my HDD is useless?

 

Windows doesn`t start. Authomatic repair doesn`t work.

Thanks for your answer, ken!

I deleted all my data. I had have it backed up.

I did a clean installation using the windows media creation tool (usb option).

No, I didn`t. I thought a clean installation would solve the problem.

After posting my previous message, I did it.





After chkdsk, I close cmd and tried to boot and the laptop just turned it off. This morning I`ve restarted it and automatically windows did a repair. Windows has booted and it seems that the repair tool has removed chrome and acrobat pdf reader (the only two programs I had installed after reinstalling windows).

Now Windows is installing updates and restarting my lapop, I`m kind of frightened. I don`t want it to happen again. Anyhow, I want to know what has brought the issue

I`ve been looking for information about the error code at the end of the picture and I didn`t get anywhere.

 

hd6950 to hd 6970

ok
i ve tried everything:with atiflash from dos,winflash.step by step with bios powercolor hd 6970 from the database.
nothing,doesn´t work.any suggestion????