HELP LG G4 Bootloop issue - G4 Q&A, Help & Troubleshooting

Recently after trying to upgrade my LG G4 to android 6.0 by flashing the zips in recovery, I encountered a boot loop. I have tried many thing like using the LG Flash Tool, I also tried booting into recovery and restoring a backup I made, but none of this made any difference. Please I need help.
LG G4 H815 android 5.1.1 or 6.0 (not sure) I'm not sure because I tried to flash the zips fro android 6.0 via recovery and didn't work, then I restored my phone and tried to boot up but that failed to work as well.

Try to use the LG bridge tool.
Start lg bridge.
Connect your device while off with your usb cable.
It will start - nevermind, just keep it going.
Use the "solve update issue" option in the bottom right corner of the software update screen in lg bridge.
It will reinstall 6.0 without data loss.

TheReino said:
Try to use the LG bridge tool.
Start lg bridge.
Connect your device while off with your usb cable.
It will start - nevermind, just keep it going.
Use the "solve update issue" option in the bottom right corner of the software update screen in lg bridge.
It will reinstall 6.0 without data loss.
Click to expand...
Click to collapse
It does not detect that the device is connected, even when it is.

Takes some time to detect. Worked for me an hour ago...

TheReino said:
Takes some time to detect. Worked for me an hour ago...
Click to expand...
Click to collapse
I might have fixed it using a different method.

Wich method?

I have the same issue.. I send my phone to the repair center of amazon. Let´s look what they can do.

Not necessary, in bootloop, just connect usb and start lgup, when it detect it, (and it will as unknown mode device) tap com port it was found on and ui will open, then click on phone info, it will connect and establish a valid usb connection to phone and open new prompt with phone info...... Then start adb command prompt and enter 'adb reboot recovery' and bingo you're in recovery.... Solves every bootloop!

spoonymoon said:
Not necessary, in bootloop, just connect usb and start lgup, when it detect it, (and it will as unknown mode device) tap com port it was found on and ui will open, then click on phone info, it will connect and establish a valid usb connection to phone and open new prompt with phone info...... Then start adb command prompt and enter 'adb reboot recovery' and bingo you're in recovery.... Solves every bootloop!
Click to expand...
Click to collapse
If the phone in bootloop, such phone does not see any one program
This phone can be started only in the DM

spoonymoon said:
Not necessary, in bootloop, just connect usb and start lgup, when it detect it, (and it will as unknown mode device) tap com port it was found on and ui will open, then click on phone info, it will connect and establish a valid usb connection to phone and open new prompt with phone info...... Then start adb command prompt and enter 'adb reboot recovery' and bingo you're in recovery.... Solves every bootloop!
Click to expand...
Click to collapse
How do you mean ?
tap com port it was found on
Click to expand...
Click to collapse

Related

Softbricked and can't access recovery, anyway to use adb?

I bricked my H811 by locking the bootloader with custom firmware installed, brilliant me. I get Error 1003 and bootlooping, even when I use the factory reset (I assume it does that because it's trying to boot into twrp, which it can't because whatever bootloader security issue). I can't use LGUP because it says my model is unknown. LG Flash Tools don't even try to load on the network part, and LG Bridge also doesn't recognize the model. I figure my last hope is adb, but I can't figure out how to use it. The only real thing this phone can do is go into download mode (holding volume up at boot), but adb won't recognize it. Any ideas?
Had the same issue initially with LGUP ...
clackingcomputer said:
I bricked my H811 by locking the bootloader with custom firmware installed, brilliant me. I get Error 1003 and bootlooping, even when I use the factory reset (I assume it does that because it's trying to boot into twrp, which it can't because whatever bootloader security issue). I can't use LGUP because it says my model is unknown. LG Flash Tools don't even try to load on the network part, and LG Bridge also doesn't recognize the model. I figure my last hope is adb, but I can't figure out how to use it. The only real thing this phone can do is go into download mode (holding volume up at boot), but adb won't recognize it. Any ideas?
Click to expand...
Click to collapse
First and foremost:
Is your device recognized in Device Manager in Windows on your PC? If not reinstall the LG Mobile Driver!. I had to do this in one case.
Had the same issue initially with LGUP ... when I had a softbrick. What I found was it finally kicked in after 3 or 4 tries. I believe I unplugged the USB cord, removed the battery, pressed the power button for a few seconds, then reinstalled the battery, pressed the down button in my case and plugged in the USB cord to get into download mode and finally got it recognized. I'm assuming you have used LGUP previously and have installed LGUP_8994_DLL_Ver_0_0_3_23 first and then LGUP_Install_Ver_1_14_3.
Other method:
ARE YOU HAVING TROUBLE WITH LGUP NOT SEEING YOUR MOBILE?
Try this....... take the back off your mobile so you can get at the battery. Connect your mobile via USB. Start LGUP, if it does not see your phone DO NOT DISCONECT, DO NOT RESTART OR TURN OFF LGUP. Take out the battery and then put it back in.......let the phone restart on its own. LGUP should now see it.
https://forum.xda-developers.com/g4/help/lgup-install-kdz-mm-lp-t3249803
steadfasterX also suggests using LGLAF:
"Trouble / Bootloop fix
if you encounter a bootloop (should never happen but who knows) you have 3 choices at least:
Option 1a: (TWRP-Bootloop) Within TWRP open Advanced -> File Manager -> Goto: /system/su.d and click "select" button -> Delete
Option 1b: (TWRP-Bootloop) From your PC: adb shell rm -rf /system/su.d/
Important: Catch the fish log (see next topic)
Option 2 (this works also for a bootloop without twrp): boot into download mode and use LGLaf to get a shell
then:
setenforce 0 <-- if that doesn't work you may have to do a FULL restore to stock
mount -oremount,rw /system
rm -rf /system/su.d/
reboot. You are out of the bootloop.
Important: Catch the fish log (see next topic)
Option 3: Last resort: Reflash STOCK. sorry.. there is always a risk.."
https://forum.xda-developers.com/g4/development/locked-twrpinfish-locked-g4-devices-t3573048
Good luck.
S.
sdembiske said:
First and foremost:
Is your device recognized in Device Manager in Windows on your PC? If not reinstall the LG Mobile Driver!. I had to do this in one case.
Had the same issue initially with LGUP ... when I had a softbrick. What I found was it finally kicked in after 3 or 4 tries. I believe I unplugged the USB cord, removed the battery, pressed the power button for a few seconds, then reinstalled the battery, pressed the down button in my case and plugged in the USB cord to get into download mode and finally got it recognized. I'm assuming you have used LGUP previously and have installed LGUP_8994_DLL_Ver_0_0_3_23 first and then LGUP_Install_Ver_1_14_3.
Other method:
ARE YOU HAVING TROUBLE WITH LGUP NOT SEEING YOUR MOBILE?
Try this....... take the back off your mobile so you can get at the battery. Connect your mobile via USB. Start LGUP, if it does not see your phone DO NOT DISCONECT, DO NOT RESTART OR TURN OFF LGUP. Take out the battery and then put it back in.......let the phone restart on its own. LGUP should now see it.
https://forum.xda-developers.com/g4/help/lgup-install-kdz-mm-lp-t3249803
steadfasterX also suggests using LGLAF:
"Trouble / Bootloop fix
if you encounter a bootloop (should never happen but who knows) you have 3 choices at least:
Option 1a: (TWRP-Bootloop) Within TWRP open Advanced -> File Manager -> Goto: /system/su.d and click "select" button -> Delete
Option 1b: (TWRP-Bootloop) From your PC: adb shell rm -rf /system/su.d/
Important: Catch the fish log (see next topic)
Option 2 (this works also for a bootloop without twrp): boot into download mode and use LGLaf to get a shell
then:
setenforce 0 <-- if that doesn't work you may have to do a FULL restore to stock
mount -oremount,rw /system
rm -rf /system/su.d/
reboot. You are out of the bootloop.
Important: Catch the fish log (see next topic)
Option 3: Last resort: Reflash STOCK. sorry.. there is always a risk.."
https://forum.xda-developers.com/g4/development/locked-twrpinfish-locked-g4-devices-t3573048
Good luck.
S.
Click to expand...
Click to collapse
Whelp, tried everything. In LGUP it's always Model Unknown and COM Ports [COM3][Genisys]. LGLad has me completely stumped, like I'm barely passable using debian commands to copy files when I have linux installed (which I don't at the moment). I asked my friend but she also wasn't sure. I'm just soooo bad at coding kind of stuff :crying:
Try using [LIVE-ISO][FWUL][STABLE] adb/fastboot without any installation and driver i
clackingcomputer said:
Whelp, tried everything. In LGUP it's always Model Unknown and COM Ports [COM3][Genisys]. LGLad has me completely stumped, like I'm barely passable using debian commands to copy files when I have linux installed (which I don't at the moment). I asked my friend but she also wasn't sure. I'm just soooo bad at coding kind of stuff :crying:
Click to expand...
Click to collapse
Try burning [LIVE-ISO][FWUL][STABLE] adb/fastboot without any installation and driver issues to a USB Flash Drive and re-booting into it on your PC. It is made to operate on Windows and includes LGLAF
https://forum.xda-developers.com/an.../live-iso-adb-fastboot-driver-issues-t3526755
S
PS: Don't forget to click Thanks when people are trying to help.
sdembiske said:
Try burning [LIVE-ISO][FWUL][STABLE] adb/fastboot without any installation and driver issues to a USB Flash Drive and re-booting into it on your PC. It is made to operate on Windows and includes LGLAF
https://forum.xda-developers.com/an.../live-iso-adb-fastboot-driver-issues-t3526755
S
PS: Don't forget to click Thanks when people are trying to help.
Click to expand...
Click to collapse
Thanks I'll check that out, looks really rad! I'll report back with results
Oh yeah, my bad. my head was caught up in python
clackingcomputer said:
Thanks I'll check that out, looks really rad! I'll report back with results
Oh yeah, my bad. my head was caught up in python
Click to expand...
Click to collapse
Could we have an update on whether FWUL worked?
BIG_BADASS said:
Could we have an update on whether FWUL worked?
Click to expand...
Click to collapse
Never could get it working, so I ended up just buying another h811 with a shattered screen and swapping the boards

[Q] No response from LG G3 (d855) maybe bricked. Need some help.

Hello guys!
Today i make a big mistake. I want to install CM 14 to my LG g3 . At first i can't go into TWRP . After 1 hour a somehow managed to boot in twrp but after formating the old os the phone is not responsing at all.
Things that i try:
I try to install a bootloader with ADB but the my pc cant recognise the device.
Things that the phone does:
There is no boot screen all it does is led and blue LED is blinking.
If i connect to the pc it recognise it as "Android " but i cant do nothing with it.
Please help me. Thank you
Did you try to connect in download mode and flash stock firmware with the official toolkit? I don't remember it's name though
Balino said:
Did you try to connect in download mode and flash stock firmware with the official toolkit? I don't remember it's name though
Click to expand...
Click to collapse
Yes of course but the pc diden't recognise the phone and it say its " not cot connected"
You need to install device drivers and ADB drivers before trying. Use USB 2.0 ports too, it's acting wired with 3.0 ones

LG G4 after flashing it went dead.

Hello, Friends, I wanted to unlock an LG G4 T-mobile for a customer with "Device unlock app"
after the flashing using LG Tools from z3x the phone now is a dead black screen. When I plugged into the computer I can hear the sounds it's connected but nothing is showing. Need help to turn it back on thanks. I can't even load in Download mode.
Thanks for any help.
umarmansare said:
Hello, Friends, I wanted to unlock an LG G4 T-mobile for a customer with "Device unlock app"
after the flashing using LG Tools from z3x the phone now is a dead black screen. When I plugged into the computer I can hear the sounds it's connected but nothing is showing. Need help to turn it back on thanks. I can't even load in Download mode.
Thanks for any help.
Click to expand...
Click to collapse
Can you boot to recovery? Should be the power + volume down combo until the logo comes up.
Alternatively,
Have you installed ADB and fastboot drivers?
Can ADB see your device when you're plugged into the computer? Perhaps you can get into bootloader mode through ADB if so.
Connect LG G4 to your computer.
On the PC, access the Android SDK folder (download it if you don't have it).
There, open a command prompt window by pressing shift + right click on any blank area.
In the CMD window, execute the command " adb reboot bootloader " without quotes. If you haven't enabled USB debugging, you may be out of luck.
Tried but not working
Hello, Friend Thank you very much for your time and efforts while typing this to help me out. I did but still doesn't recognize took the owner. Technically the phone is dead.
umarmansare said:
Hello, Friend Thank you very much for your time and efforts while typing this to help me out. I did but still doesn't recognize took the owner. Technically the phone is dead.
Click to expand...
Click to collapse
why you use flash tools.? you should ut use LGUP and KDZ file.
what is this app customer with "Device unlock app"
unlock what.??
umarmansare said:
Hello, Friends, I wanted to unlock an LG G4 T-mobile for a customer with "Device unlock app"
after the flashing using LG Tools from z3x the phone now is a dead black screen. When I plugged into the computer I can hear the sounds it's connected but nothing is showing. Need help to turn it back on thanks. I can't even load in Download mode.
Thanks for any help.
Click to expand...
Click to collapse
1. Point us to that dubious unlock app please!
2. Very very often an issue occurs because a user do not use the correct commands or important error messages are thrown and the user do not show. So please write EXACTLY what you do. For example the exact command to proof the connection (e.g. "adb devices") and the exact result. easiest and best way is to just make a screenshot of anything.
3. Another example is how to you try to get into download mode? There are some guides which do not work so explain what you do always helps others to help you.
I use the following method:
Pull out battery
Plugin USB cable connected to the pc
Press vol Up and keep pressed while putting battery back in place
4. To avoid driver issues you should consider to use FWUL ( https://tinyurl.com/FWULatXDA ) for anything else then kdz flashing (this requires windows)
.
Sent from my LG-H815 using XDA Labs
steadfasterX said:
1. Point us to that dubious unlock app please!
2. Very very often an issue occurs because a user do not use the correct commands or important error messages are thrown and the user do not show. So please write EXACTLY what you do. For example the exact command to proof the connection (e.g. "adb devices") and the exact result. easiest and best way is to just make a screenshot of anything.
3. Another example is how to you try to get into download mode? There are some guides which do not work so explain what you do always helps others to help you.
I use the following method:
Pull out battery
Plugin USB cable connected to the pc
Press vol Up and keep pressed while putting battery back in place
4. To avoid driver issues you should consider to use FWUL ( https://tinyurl.com/FWULatXDA ) for anything else then kdz flashing (this requires windows)
.
Sent from my LG-H815 using XDA Labs
Click to expand...
Click to collapse
Hi, Thank you very much for taking your time and energy to answer me. I used Z3x to Factory the LG G4 (T-Mobile) I wanted to flash it by downgrading before to see if it could work. this is how I break the phone with the downgrading. So now the phone is not recognizing by the computer as Modem when I plugged in, I see it only as External Drive.
umarmansare said:
Hi, Thank you very much for taking your time and energy to answer me. I used Z3x to Factory the LG G4 (T-Mobile) I wanted to flash it by downgrading before to see if it could work. this is how I break the phone with the downgrading. So now the phone is not recognizing by the computer as Modem when I plugged in, I see it only as External Drive.
Click to expand...
Click to collapse
you cannot downgrade h811 it has antirollback. and in autoprime 20i thread says it bricks phone.. if it was on MM and flashed lower antirollback.
what is Z3x.???

adb waiting for device

When I enter bootloader to try and flash twrp.... I get the message "waiting for device"
Trying to flash TWRP
can anyone help?
ADB recognizes the device...as soon as I reboot into the bootloader.... it disconnects
Anyone?
no one?
bigd19888 said:
When I enter bootloader to try and flash twrp.... I get the message "waiting for device"
Trying to flash TWRP
can anyone help?
ADB recognizes the device...as soon as I reboot into the bootloader.... it disconnects
Click to expand...
Click to collapse
If you want helpful responses you have to be more specific. Assuming you have the fastboot files installed on your PC/laptop ... What LG G4 model? What software version? Bootloader Unlocked? etc.
Assuming you have installed on your PC/laptop LGMobileDriver_WHQL_Ver_4.2.0 available for download from the LG US site as the Windows driver can create issues, have you tried downloading and installing the "Official" TWRP app and installing that way?
Suggest if you are still having problems, you head over to: https://forum.xda-developers.com/g4/development/recovery-twrp-3-touch-recovery-t3442424
Read the OP thoroughly and post any issues you're having there.
sdembiske said:
If you want helpful responses you have to be more specific. Assuming you have the fastboot files installed on your PC/laptop ... What LG G4 model? What software version? Bootloader Unlocked? etc.
Assuming you have installed on your PC/laptop LGMobileDriver_WHQL_Ver_4.2.0 available for download from the LG US site as the Windows driver can create issues, have you tried downloading and installing the "Official" TWRP app and installing that way?
Suggest if you are still having problems, you head over to: https://forum.xda-developers.com/g4/development/recovery-twrp-3-touch-recovery-t3442424
Read the OP thoroughly and post any issues you're having there.
Click to expand...
Click to collapse
I have minimal adb and fastboot installed
device is h811 20v
bootloader is already unlocked
and yes I'm using LGMobileDriver_WHQL_Ver_4.2.0
sdembiske said:
If you want helpful responses you have to be more specific. Assuming you have the fastboot files installed on your PC/laptop ... What LG G4 model? What software version? Bootloader Unlocked? etc.
Assuming you have installed on your PC/laptop LGMobileDriver_WHQL_Ver_4.2.0 available for download from the LG US site as the Windows driver can create issues, have you tried downloading and installing the "Official" TWRP app and installing that way?
Suggest if you are still having problems, you head over to: https://forum.xda-developers.com/g4/development/recovery-twrp-3-touch-recovery-t3442424
Read the OP thoroughly and post any issues you're having there.
Click to expand...
Click to collapse
I have the right files, when I get into adb reboot into bootloader
it no longer recognizes the device. I cannot flash twrp
After reboot into bootloader, open your "windows device manager" and see if windows detects your device properly.
RuedasLocas said:
After reboot into bootloader, open your "windows device manager" and see if windows detects your device properly.
Click to expand...
Click to collapse
seems like a driver problem, need to keep removing and reinstalling in device manager for it to recognize my phone
I'm using the right driver...so I don't know what the problem is
quite annoying
windows xp I never have a problem with adb and fastboot.....windows 7 and up. ALWAYS
bigd19888 said:
seems like a driver problem, need to keep removing and reinstalling in device manager for it to recognize my phone
I'm using the right driver...so I don't know what the problem is
quite annoying
windows xp I never have a problem with adb and fastboot.....windows 7 and up. ALWAYS
Click to expand...
Click to collapse
Don't allow Windows 10 to update your drivers - you can set that up in Windows. Google it for the how-to.
bigd19888 said:
I have the right files, when I get into adb reboot into bootloader
it no longer recognizes the device. I cannot flash twrp
Click to expand...
Click to collapse
bigd19888 said:
seems like a driver problem, need to keep removing and reinstalling in device manager for it to recognize my phone
I'm using the right driver...so I don't know what the problem is
quite annoying
windows xp I never have a problem with adb and fastboot.....windows 7 and up. ALWAYS
Click to expand...
Click to collapse
The device type changes depending on "how" its connected. Windows can "see" it as a ADB device, MODEM, etc...
With the phone connected, uninstall all device related on windows device manager, refresh the device manager for it to detect the phone as it should be (as you need it to be detected).
Sometimes its needed a manual device driver install. Happens some times to me, unfortunately I don't remember exactly how I do it because the issues (when it happens) are kind of random, so, I need to "understand" what is going wrong and fix it.
Just to tell you that is nothing unfixable on the procedure, you just need to have patience and find out how windows is supposed to detect your device.
If you don't find out by yourself, tomorrow (Monday), I'll try to see on mine how it should be detected in fastboot mode and tell you. Today its already late for me...
Good luck
RuedasLocas said:
The device type changes depending on "how" its connected. Windows can "see" it as a ADB device, MODEM, etc...
With the phone connected, uninstall all device related on windows device manager, refresh the device manager for it to detect the phone as it should be (as you need it to be detected).
Sometimes its needed a manual device driver install. Happens some times to me, unfortunately I don't remember exactly how I do it because the issues (when it happens) are kind of random, so, I need to "understand" what is going wrong and fix it.
Just to tell you that is nothing unfixable on the procedure, you just need to have patience and find out how windows is supposed to detect your device.
If you don't find out by yourself, tomorrow (Monday), I'll try to see on mine how it should be detected in fastboot mode and tell you. Today its already late for me...
Good luck
Click to expand...
Click to collapse
everytime I boot into the bootloader the driver stops working.. when I boot the phone normally windows doesn't recognize my phone. it is unknown, so I remove the driver, reinstall it., get into bootloader and same issue persists "waiting on device:" I think the lg driver keeps crashing or it is windows issue
will try again tomorrow
bigd19888 said:
everytime I boot into the bootloader the driver stops working.. when I boot the phone normally windows doesn't recognize my phone. it is unknown, so I remove the driver, reinstall it., get into bootloader and same issue persists "waiting on device:" I think the lg driver keeps crashing or it is windows issue
will try again tomorrow
Click to expand...
Click to collapse
Your device should be seen as "LGE Android Phone" (if your lg drivers are good).
Now gonna be tricky because my OS is in Portuguese, I don''t know exactly the path name in English... use your imagination
Connect the device on a USB 2 Port !!!
In windows device manager, select "update driver", "search software on the computer", "allow to choose from a list of avalable drivers". unmark the "compatible hardware" and find on the list the needed drivers. If the "LGE" drivers don't work, try to download Universal ADB Drivers, maybe it works.
bigd19888 said:
everytime I boot into the bootloader the driver stops working.. when I boot the phone normally windows doesn't recognize my phone. it is unknown, so I remove the driver, reinstall it., get into bootloader and same issue persists "waiting on device:" I think the lg driver keeps crashing or it is windows issue
will try again tomorrow
Click to expand...
Click to collapse
I'm thinking it could be a corrupted LG driver. Download another from the LG US site, ONLY. Uninstall the one you have installed now, reboot and install the newly downloaded one. Then connect your phone and see if it is recognized and shown correctly in Windows Device Manager. Also, in adb type lsusb and see if the phone is listed in the output.
bigd19888 said:
everytime I boot into the bootloader the driver stops working.. when I boot the phone normally windows doesn't recognize my phone. it is unknown, so I remove the driver, reinstall it., get into bootloader and same issue persists "waiting on device:" I think the lg driver keeps crashing or it is windows issue
will try again tomorrow
Click to expand...
Click to collapse
Boss, no need to struggle with this ADB anymore.. there is a tool called FWUL which was created for people who have driver issues... Check it out here:
https://forum.xda-developers.com/an.../live-iso-adb-fastboot-driver-issues-t3526755
:good:

ADB problems, MTP issues [URGENT]

Hi all!
I have a problem with my mi6: at the moment the mi6 is empty, no os, only recovery.
When i try to flash a recovery goes well and i can reboot in the recovery as well but:
-When i try to transfer file via twrp mtp, the process won't end, and windows dosn't show any process.
-If i try to sideload anything, the process stops at 47% without any error.
-If i try to flash, i also get the invalid "sparse file format at header magi"
I have all the drivers installed (qualcomm, android, adb).
I've an exam soon, and i truly need the phone, wich are your suggestions?
have you tried flashing the stock miui rom from miflash?
AWESOME1092387456 said:
have you tried flashing the stock miui rom from miflash?
Click to expand...
Click to collapse
Miflash doesn't recognice the device in fastboot
diseriocarm123 said:
Miflash doesn't recognice the device in fastboot
Click to expand...
Click to collapse
What a bummer my friend, i trully can't assist you but have you tried using miflash with your pc in safemode and with all the unnecessary usb devices removed?
When I used to have an LG phone this would do the trick (don't know if it implies in this case)
AWESOME1092387456 said:
What a bummer my friend, i trully can't assist you but have you tried using miflash with your pc in safemode and with all the unnecessary usb devices removed?
When I used to have an LG phone this would do the trick (don't know if it implies in this case)
Click to expand...
Click to collapse
What's safemode?
AWESOME1092387456 said:
What a bummer my friend, i trully can't assist you but have you tried using miflash with your pc in safemode and with all the unnecessary usb devices removed?
When I used to have an LG phone this would do the trick (don't know if it implies in this case)
Click to expand...
Click to collapse
Now it's recognizing miflash, i'll try!
Thanks my friend, i'll update the thread.
diseriocarm123 said:
What's safemode?
Click to expand...
Click to collapse
For windows 10:
Open theSettings app on windows 10 (Should be the same for windows 8/8.1).
Select Update & security > Recovery .
Under Advanced startup, select Restart now.
After your PC restarts to the Choose an option screen, select Troubleshoot > Advanced options > Startup Settings > Restart.
After your PC restarts, you'll see a list of options. Select 4 or F4 to start your PC in Safe Mode. Or if you'll need to use the Internet, select 5 or F5 for Safe Mode with Networking.
For windows 7:
As your pc is booting (after the asus/acer/dell/etc. screen) spam the F8 key to enter in the bootselection screen, select safe mode with the "arrow keys" and "enter"
Essentially safe mode is (on windows) similar to android safe mode, all services and apps that are installed by the user will not be initialized, but in windows you can open your installed apps, just the environment will be barebones with generic drivers for GPU/Sound but stuff like adb/fastboot/etc. will work fine as there are no extra variables to influence what you are doing
Solved man, at a certain point the pc recognized the internal storage and made me able to transfer file, anyway truly thanks!
It was nothing. ?

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