Windows 10: Hp envy win10 got no boot device on start up, tried to boot from USB drive and still cant boot

I have hp envy x360 that started saying no boot device, I have put windows 10 on a new USB flash drive and tried to boot from that, it comes up with trouble shoot option, I click on start up repair and it can't repair it. I went into command prompt and bootrec /fixmbr completed successfully, then i did bootrec fix/boot prompt and it said access denied. It also couldn't boot from USB cause said no device drivers. Please Help!

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Help with USB Boot Image

I am trying to boot from my USB flash drive. I followed the instructions step for step that are in the article on this website. I downloaded the HP program and the USB Image zip file. I ran the HP flash program and pointed it to the folder where I unzipped the USB Image files to. I then copied all the files over to the USB memory stick as instructed. When I restart my computer and press F12 to go to the boot menu I have 3 options: SATA hard drive, CD-ROM drive, or USB Device. So I choose USB device and when it reads the USB memory stick all I get is the error "Non-system disk, replace and hit any key" Its like the USB memory is missing some system files or it doesnt have the master boot record or something. Somebody please HELP!!! I want to flash the bios in a new video card and I have to boot to DOS and I dont have a floppy drive and I have Win XP so a USB boot is probably the best option I have.

 

Booting from USB on x38 Motherboard, NOT?

Typically the USB should be listed under the hard drive boot order. Set your "Boot Device Priority" to HDD first, then set the hard drive boot order to the USB stick first.

 

Boot linux on USB drive

it might just be that your bios doesn't support it, but it should anyway.

make sure you go into the bios and make sure "boot other device" is enabled and try seeing if the usb is listed as an hdd.. as bootable flash drives are usually picked up as usb hdd's and check if your bios detects the flash drive.