Repairs for most tablet computers. Because of their small size and frequent use of adhesive, tablet repair is often more involved than laptop repair.

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No BIOS, reset goes to dnx mode, waiting for fastboot command

I have a NuVision TM800A510L 8" tablet. This thing has been returned twice; I've probably been able to use it for a total of 15 minutes! This time it powers on to a wifi connection screen, shows my wifi is connected, and then goes to "checking for updates" and that's it. Loops back to first screen. Hard reset (I held volume (-) and power buttons for 10 sec) takes me to "Dnx mode, waiting for fastboot command" Hooked it up via USB to my laptop which recognized it as external media storage but would not interact with it. How can I get back the operating system and apps it supposedly came with?

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I have been trying to reset the tablet. It shows Dnx mode, waiting for fastboot command stays like that for a while then shuts off. Is it a virus or something wrong with the tablet. Then I try just the power button and it shows nuvision powered by android and then goes to a black screen. PLease help. Very disappointed. Would this be covered until the warranty.

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Hi felindsay,

I was able to get into the BIOS by using an external keyboard(with micro USB to USB adapter) by pressing F10 on boot. I'd try to reset the BIOS to defaults and check the boot order.

If you don't have a recovery drive, you could try a few hard shutdowns and this should prompt the Windows recovery process. You can try to run the built in recovery from there to RESET your device. This should bring it back to Out of Box.

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Same thing happened to me..

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I cannot get the bleeder out of restore your last system mode (Win 10), any thoughts?

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my hipstreet w7 brings up"entering dnx mode waiting for fastboot command " then disappears don't have a keyboard for it because i usually use the one on the tablet. i think if all else fails i might just lob it at the wall

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How do i get back to apps tablet is stuck on nextbooj

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My tablet wouldnt start then I pressed power button then reset power first then reset then reset and then power and it said DNX FASTBOOT MODE.. with Teleclast logo.

I tried plugging it in via USB and computer said it failed to install the drivers for device.

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Why are people having so many problems with this product makes no sense I sent mine back twice fixed it twice got it back second time worked great till I downloaded my apps then it just shut off then when I tried to reset the %#*@ thing it stays on DNX Fastboot mode. I've had my Tablet for about 5 months and never even got to use the stupid thing.

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try letting the device fully die and plug back in to about 5% and turn on. work when my device froze on dnx fastboot mode.

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Dnx fastboot mode not on teclast X98 pro?

Dnx fastboot mode reinstallation

fist :power off device

connect usb keyboard to device

power on +F7 key device

going to Bios

Main page bios Dnx fastboot select Enabled

Boot page bios Fastboot select Enabled

not close device!

disconect keyboard and connect device with usb gable to pc linux or windows

open powershell on windows pc or terminal on linux pc

past loader.efi file (device ROM) in windows powershell directory or linux terminal directory

in windows pc command: fastboot boot loader.efi

in linux pc command: sudo fastboot boot loader.efi

see waiting for devices !

go on device bios page save and exit

select : save changes and reset and then press on window yes

Waiting a little

now on device see fastboot mode page !

but bootloader is on

command: fastboot oem lock or in terminal sudo fastboot oem lock

to close boot loader

then close device :poweroff

open device power +vol down

now the device in normal fast boot mode !!!!!

it ready for flashing.

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felindsay will be eternally grateful.
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