Computer won't turn on after Windows 10 Creators upgrade

On my Dell 2-in-1 (laptop/tablet), I ran the Windows 10 Creators upgrade.  It proceeded normally, doing several restarts and presenting me with a display of the new features.  However, the computer was running very slowly, so I did another restart.  It hung on the circling dots stage.  I turned it off and on again, and again it hung on the circling dots stage.  I left it overnight -- still hung on the circling dots stage in the morning.  I turned it off again, and tried to turn it on, but it did not turn on (though the under-keyboard lit up, so it has power).  

Of course, this problem may have nothing to do with the upgrade.  Any ideas?
LVL 31
Helen FeddemaAsked:
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Alex Green3rd Line Server SupportCommented:
It's the upgrade, F8 and boot it into safe mode
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McKnifeCommented:
Do the usual hardware checks, could be a problem with the drive. Get a bootdisk that allows checking the hard drive.
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Helen FeddemaAuthor Commented:
Alex:  it won't turn on with the F8 key held down either.

McKnife:  It doesn't have a disc or CD drive.
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McKnifeCommented:
Then take a USB stick and make it bootable using tools like Yumi or rufus.
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nobusCommented:
you can put the UBCD on an USB stick :
http://www.ultimatebootcd.com/download.html
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Helen FeddemaAuthor Commented:
I will try the USB stick method
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RaminTechnical AdvisorCommented:
What is the laptop's exact  model ?
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Helen FeddemaAuthor Commented:
Inspiron 15 2-in-1, v. 7568
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Alex Green3rd Line Server SupportCommented:
Can you rebuild it

Switch on the system and then switch off the system 3-4 times and then it will take you to the “Advanced boot options”

In choose an option screen click on Troubleshoot and then click on Rest. This will restore the system to the Factory state.

That should get you back up and running, you will need to backup your work if possible. You can build a knoppix boot key fromhere.

https://www.pendrivelinux.com/install-knoppix-6-to-a-usb-flash-drive-in-windows/

Cheers

Alex
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Alex Green3rd Line Server SupportCommented:
BTW, I got that from the manual, I'm guessing F8 does the same thing so do that then advanced boot options.

Cheers
ALex
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RaminTechnical AdvisorCommented:
If your laptop doesn't turn on at all then you may need to Clear CMOS (Reset BIOS) with removing the CMOS battery. but it's not your first option.

Since you cannot remove the battery without opening the back of laptop then you have to discharge the battery:

 1.Detach everything from USB ports.
 2. Unplug AC adapter
 3. Connect every USB power consumer in laptop's ports (phone for example)
 4. When battery runs out of charge keep trying turning on your laptop, until the battery led won't flash anymore
 5. When the battery is completely discharged, press and hold the power button for 10 seconds (Do it 3 times every 10 minutes to be 100% sure)
 6. Plug your AC adapter and boot normally.

If above suggestions didn't help to fix the issue then you can either contact dell support if the laptop has Warranty or  refer to the manual of the laptop to Clear the CMOS data by removing the CMOS battery.
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Helen FeddemaAuthor Commented:
Alex -- I can't switch it on even once.  I am going to make a bootable USB drive next and see if I can start it up from that.
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RaminTechnical AdvisorCommented:
Bootable USB can work only if you can power on your PC.
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Helen FeddemaAuthor Commented:
I will make the bootable USB drive on my desktop -- do you mean that it won't work to get the laptop to turn on?
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RaminTechnical AdvisorCommented:
No, you must first power on your laptop then you can use that USB,
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McKnifeCommented:
Turn it on, what does it do, does the screen show anything at all? If not, no use creating a bootable stick.
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nobusCommented:
are you sure the power supply is ok ?  have it measured to be sure
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Helen FeddemaAuthor Commented:
Nothing at all happens when I turn it on -- screen remains totally black.  So I think the next step would be to call Dell, and if I can't get any useful info there, take it in to my local computer repair shop (I think it is out of warranty).  I use this computer mostly for accessing the Internet (real data is stored on my two desktops), so it wouldn't be a problem to reformat it and start over.
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nobusCommented:
you are still having lights on it at power up ? which ones?
testa lso with another AC adapter
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Helen FeddemaAuthor Commented:
I ended up taking it in to the local computer repair shop, where the tech said he had a number of similar jobs with laptops zapped by the Windows 10 Creators upgrade (no problem with desktops -- my two desktops did the upgrade without problems). It had to be reformatted; fortunately I don't store any important data on the laptop -- that stuff is on my desktops.
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Helen FeddemaAuthor Commented:
Thanks for the info.  It didn't work this time, but may come in handy later on.
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RaminTechnical AdvisorCommented:
Thanks for your feedback.
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