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navi 2 won't fast boot?

I am trying to root/twrp/gapps my childs nabi 2 and my computer recognizes the device. Howerver each time any of the root tools being used restarts the device it freezes there. I have tried the 2 different types of device drivers, and If I go to device manager, I right click to update drivers and it gives me this error:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Im not sure where to go from here. any help would be fantastic!

What nabi 2 do you have?
go in setting about tablet and get Model Number, Edition and Andoid version.
mine says
NABI2-NV7A
NABI2-NV7A-US
4.04
having the wrong gapps will cause errors

adb doesn't work

I'm trying to configure my OPO adb connection using several guides but everything comes up to one issue.
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
I can access my device's storage but it doesn't connect via adb.
Tried rebooting device, rebooting PC, change USB port and cable, uninstalling and reinstalling of adb drivers using several different
downloads. Tried right clicking the ADB interface icon listed under "Other Devices" and installing driver manually but when i need to pick a device
i don't have the "Android Device" Option-
Thanks in advance for any help !

Try this: https://forums.oneplus.net/threads/install-adb-drivers-for-windows-8-1-64-bits.51264/

Thanks, I solved this by choosing the option "show all devices" and then choosing samsung under manufacturer and choosing adb inteface.

USB - no connection issue

Hi.
I own a used Nexus 5. My problem is that when I plugged the phone in to pc, the system is unable to detect it and it cannot be found in Windows device manager at all. When I go to phone settings it says usb unplugged (as you can see in the screenshot, that's polish language).
Right now phone is running Lineage OS 15.1. I think it has nothing to do with this particular rom because I tried it recently on 3 other roms and there's the same issue. When I enter TWRP recovery, Windows can see it as mass storage.
I'd like to mention previously I was running some older Resurrection Remix rom and eveyrthing worked OK.
Anyone help, please?
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}

Can't connect phone to PC

Hey all, OnePlus 8 not detected in Ubuntu or Gallium OS, not detected by lsusb even though MTP is on, ADB and Fastboot don't detect the device and the device will not let me choose anything other than data transfer, everything else is all grayed out. I have tried re-installing adb, fastboot, drivers, wiping the device, using a different cable (I have 5 I'm playing with) and using a different device. Nothing is working. My phone is on EvolutionX ROM.
Also, the notification that shows whenever the device is connected to another and allows you to change the USB state (MTP, PTP, etc) does not show.

{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}

USB device not recognized anymore

I recently had my phone's board replaced so I lost root. Now, I'm trying to unlock my bootloader again, but I keep on getting this error when connecting my phone. Dev option is already enabled, OEM unlocking and USB debugging are enabled as well. Also, phone charges so nothing's wrong with the cable. And I'm using the same PC I used to root my phone, but that's 2 or 3 years ago. Anyone has an idea and can help me?
Edit
Delete
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Potato inc.​
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It looks like a defective usb port on the PC or an incorrect repair.
And if you connected in Fastboot or simply to transfer photos, what happens?