nvidia shield tv 2015 500gb no boot help - Shield Android TV Q&A, Help & Troubleshooting

hello i have a dead shield i get no picture says no signal i get power but the hd makes a noise even if the shields hardrive is dead should i still get green logo ???
and when i connect to pc comes p as apx something like that so im wondering is there a way to reflash a boot with apx i can fix the hardrive bit i did the to ssd thing but still no picture .
i got apx driver but have no clue how to flash using the apx way any help would be appreciated as its sad to see a dead shield.

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Bricked KF no longer working or being recognized.

Hi!
A couple of months ago i bricked my brother kindle fire, I can't remember exactly what firmware etc I had to used on it, since i'm not a KF user myself. He came to me the other day saying that his kindle was no longer working any more.
Now this time, I have no idea what is wrong with it, the rom used had like a logo with a yellow triangle and fire sign in the middle.
The problem:
The KF is no longer recognized by the computer, I can't seem to get in via adb,
tried hard reset too...
The kindle periodically once plugged in turn on with the yellow triangle and fire logo from the rom and then turn black like it's off every second or so.
Is there a fix to my problem? and how?
Thank-you greatly in advance to all your help at hand.
it's probably stuck in fastboot. there's should be a thread in the development forum about how to fix it. I think you have to reinstall the drivers for an adv device.
sorry it's brief,have to go sleep and get ready for work.
Sent from my Kindle Fire using Tapatalk
dead battery - the kf is constantly rebooting, does nothing if pluggend out - right ?
would suggest to charge it with the wall charger for some hours - best over night
if you use a replacement charger take care it is strong enough - has to have ~2A or it will not work

[Q] Asus Nexus 7 bricked?

I have a Asus nexus 7 that I think may be bricked.
When I turn it on nothing appears on the screen, not even the charging icon but my pc makes the noise of a usb being plugged in and device manager shows Asus transformer prime apx interface.
I've read some other threads about it being stuck in apx mode due to the bootloader being deleted/ missing / corrupt, I've tried a few things suggested on those but haven't been able to get it to turn on.
Can somebody please help me and let me know if it is totally bricked or is there anything I can try?

No video output while in fastboot mode

I've been trying to get my Nvidia Shield TV rooted for the last hour and a half or so, and after finally figuring out how to get the Shield recognized with the proper drivers, I get the thing into the bootloader and nothing I plug into it will display the bootloader screen. My projector and both TVs I own show nothing. If I hold the power button down for a while, I'm eventually get some pixelated text that says "Continue to boot" and then the Shield will go into its normal boot routine, but I get nothing else. Apparently to unlock the bootloader I need to be able to interact with the Shield, but I can't do that if there's no screen. I can't find any info on this issue either. Is it possible it has something to do with incorrect drivers?
I had the same problem, none of my display were able to show the bootloader menu.
In short, I could not manage this display problem, theretheless I was able to unlock and root my device by handle blindly.
Have a look at following YouTube video at 14:10 the bootlader menu is shown:
youtube . com / watch?v=p_qQJMuOAQQ&t=850
I had ended up doing the same thing, Basti. Glad to hear I'm not the only one with the problem though. It's a silly nuisance and the only thing I can think of is that maybe I need a 4K TV or somehow it operates in some mode only PC monitors recognize. The lack of complaints of this issue is surprising.
gabrahamsandwich said:
I had ended up doing the same thing, Basti. Glad to hear I'm not the only one with the problem though. It's a silly nuisance and the only thing I can think of is that maybe I need a 4K TV or somehow it operates in some mode only PC monitors recognize. The lack of complaints of this issue is surprising.
Click to expand...
Click to collapse
I have Samsung f8000 smart full hd tv, and kind of no problems. Don't have chance to check on other sources for report this is more likely on all units kind of bug or just some units like yours or Basti. Anyway I'm ok - fastboot screen shown on Samsung f8000
Sent from my Nokia 3310 using free xda app

Shield Pro - APX Mode

Hi all,
I have the Shield Pro, running 5.1, and it won't start
It was working fine yesterday, but when I got home from work this evening, it was unresponsive. The power light was stuck on, but would not respond to any controller input or, as far as I can tell, any USB input.
I pulled the power out, and plugged it back in, and the light came on instantly. No display on the TV. I plugged it into my PC, but Windows doesn't see anything attached (I have tried multiple cables). If I hold the power button for five seconds, the device just turns off. If I touch the power button even just briefly, the green light comes back on. I can't get into Fastboot or anything. There is no HDMI output at all.
This is, naturally, really quite annoying.
However, after having it hooked up to my PC via USB for a while (not sure how long, sorry!), my computer bleeped like it does when a new USB device has been discovered, and bingo! I now have an "APX" device, with no drivers installed.
So. Who knows about APX mode for this thing?
I'm pretty sure APX is a low level recovery mode.. I recall reading that elsewhere.
go to the developers nvidia site amd search on how to reflash via apx
yeah, I had to use it on my old LG Optimus 2X, back in the day. There's nothing on the nVidia developer site about using it though
unfnknblvbl said:
Hi all,
I have the Shield Pro, running 5.1, and it won't start
It was working fine yesterday, but when I got home from work this evening, it was unresponsive. The power light was stuck on, but would not respond to any controller input or, as far as I can tell, any USB input.
I pulled the power out, and plugged it back in, and the light came on instantly. No display on the TV. I plugged it into my PC, but Windows doesn't see anything attached (I have tried multiple cables). If I hold the power button for five seconds, the device just turns off. If I touch the power button even just briefly, the green light comes back on. I can't get into Fastboot or anything. There is no HDMI output at all.
This is, naturally, really quite annoying.
However, after having it hooked up to my PC via USB for a while (not sure how long, sorry!), my computer bleeped like it does when a new USB device has been discovered, and bingo! I now have an "APX" device, with no drivers installed.
So. Who knows about APX mode for this thing?
Click to expand...
Click to collapse
Apx mode ( and yes without drivers - couldn't even find around in Internet...) on pc ×device manager× shows me on my 500gb console when I removing internal shdd and connected with pc whiteout shdd (one day nothing to do and decide need open and have look what is inside in console...shdd, motherboard, cooler etc) . Another words sounds those symptoms very similar with my tests, but in my case that was mine experiments/investigations/discovery and your looks like you have some serious storage problem or kind of problem relaited with - can't read os or even bootloader which is on 500gb shdd or flash memory modul on 16gb.
Sent from my nokia 3310 using XDA Free mobile app
unfnknblvbl said:
yeah, I had to use it on my old LG Optimus 2X, back in the day. There's nothing on the nVidia developer site about using it though
Click to expand...
Click to collapse
after googling for a bit , i saw some references to the shield tablet, i think someone had an APX driver, maybe you could try that?
I could do, but APX mode is really, really dangerous. You need to know byte offsets and all that :S
unfnknblvbl said:
I could do, but APX mode is really, really dangerous. You need to know byte offsets and all that :S
Click to expand...
Click to collapse
if you know apx and you have all necessary stuff from Nvidia (which is not provided for public) you can replace internal drive or even ssd by installing bootloader, recovery, os etc straight on new drive from pc which is main factor why we can't swap them so easily, like 1 - 2tb drive or ssd - which would be fantastic ?. P.s. Something simular protection is for Xbox360 drives.
Sent from my Nokia 3310 using XDA Free mobile app
if that's the case you might have to send it for a warranty repair.. better not playing around if it's under warranty.
an idea for apx
move your shdd from shield and connect to pc then use this program(R-Studio 8.0) or other to restore date on u shdd I think it most work good luck
---------- Post added at 09:36 PM ---------- Previous post was at 09:22 PM ----------
I have tab p7500 and have this problem apx only jtag help me in apx mode you should now wish sbl for tegra x1 and have nvflash for shield pro sorey for my English the easy way use jtag or tray to restore data in shdd
would there be a way to just dd- flash a new recovery withthe hdd removed from the unit? I am having te same no logo, no bootloader issue and am trying to either find apx drivers (non-existent) or a workaround. There has to be a way.....
i have the same question. My intrest is more in tinkering with the tegra x1 exploit in order to get a different root solution not contingent on nvidias closed source crap. I'm running a 2015 foster model and it is getting increasingly difficult to find tutorials on that system specifically with the newer updates. +i am interested in learning the process to exchange the hdd and mopy and manipulate the widevine keys that don't work on mine after the forced 7.2.3 update that occured with all update sofware removed from my system that also fried my controller with a botched firmware update that is blacklisted and not mentioned on the internet except people asking and all replies deleted. you know general unfettered access to the system without the bootloaders say so . All of this should now be possible now that the real hackers have gotten involved and decided they want to promote this exploit for homebrew it has caused several low level apx drivers to popup in corners ive found myself in from time to time if somebody will just get them to do it for the shield tv instead of the shield tab and the switch it is proven to work.

2015 Shield TV Pro dead after windstorm

My Shield TV Pro was working fine last night before a big wind storm took out our power for several minutes. Once power was restored, the Shield's green light was on with no video and it would not respond. Read up on XDA on how to try and recover it. I tried all the dd if this and that stuff, spent all day with nothing to show for it. The furthest I could get was it would boot with a new 500GB drive installed and prepped in Linux, but it will not get past the wizard, saying my Google username and password is incorrect, and it will not find my phone if I try that method.
I can get it into fast boot, so I tried to then flash the Nvidia recovery OS image of 9.0, it would get all the way to the last command before rebooting, then it would just die. Pressing the power button would light it up for about 2 seconds and it would shut off every time.
It seems I can get into fastboot but not recovery, and also when its in fastboot, there is no image on the screen.
Very dissapointed right now, I really do not want to buy another one of these POS'. I spent around $400 for this thing when I bought it new, granted it was a long time ago but I don't want to buy it again!!
Do I have any chance in recovering this thing? Then I read that the widevine keys are probably gone too since the OEM HD is crashed. Any help is greatly appreciated.

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