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-   -   N900 Software Corrupted (https://talk.maemo.org/showthread.php?t=94508)

zimad 2015-01-23 17:17
N900 Software Corrupted
 
Hello!
I am in kind of a ditch and hoped you guys might be able to help.
I was changing my theme when n900 shutdown due to low battery (it didnt gave any indication or anything and just went blank).

Now when i restart my device it shows my desktop wallpaper and then powersoff without showing any thing else.

Help needed!!!

P.S. the usb port is broken so i cant connect it to a computer to flash it.

Maxdamantus 2015-01-27 01:05
Re: N900 Software Corrupted
 
Do you have u-boot installed by any chance? I think that should probably be a priority for people with broken USB ports.

zimad 2015-01-27 06:06
Re: N900 Software Corrupted
 
Quote:
Originally Posted by Maxdamantus (Post 1458361)
Do you have u-boot installed by any chance? I think that should probably be a priority for people with broken USB ports.
Sorry i dont have it. What should i do?

reinob 2015-01-27 08:29
Re: N900 Software Corrupted
 
Quote:
Originally Posted by zimad (Post 1458367)
Sorry i dont have it. What should i do?
1) Does it connect to the WLAN before powering off?
2) If yes, did you enable SSH?

If yes, you might be able to quickly login and enable R&D mode before it reboots.
But first respond to (1) and (2).

Maybe easier:
(3) do you have backupmenu?
(4) do you have recovery shell?

If (3) or (4) it's also easy to fix. So I assume you don't have those.

Meaning:
If your USB is broken (no flashing) and U-boot is not installed (no booting from SD card) and you cannot interrupt the booting (backupmenu or recovery shell) and R&D is disabled (because you say it reboots) then your only option is to somehow prevent the watchdog from rebooting. The easiest way is by enabling R&D mode (or creating an empty file "/etc/no_lg_reboots").

reinob 2015-01-27 08:31
Re: N900 Software Corrupted
 
Quoting myself "If your USB is broken (no flashing) and U-boot is not installed (no booting from SD card) and you cannot interrupt the booting (backupmenu or recovery shell) and R&D is disabled (because you say it reboots) then your only option is to somehow prevent the watchdog from rebooting. The easiest way is by enabling R&D mode (or creating an empty file "/etc/no_lg_reboots")."

I use this opportunity to AGAIN recommend everyone to install U-boot and/or at the very least backupmenu or recovery shell AND (preferably) enable R&D mode. This is of critical importance if your USB port is busted.

sicelo 2015-01-27 14:29
Re: N900 Software Corrupted
 
the OP should also just get the USB port fixed. not too difficult if he consults someone with the right tools and know-how.

zimad 2015-01-27 17:36
Re: N900 Software Corrupted
 
Quote:
Originally Posted by reinob (Post 1458372)
Quoting myself "If your USB is broken (no flashing) and U-boot is not installed (no booting from SD card) and you cannot interrupt the booting (backupmenu or recovery shell) and R&D is disabled (because you say it reboots) then your only option is to somehow prevent the watchdog from rebooting. The easiest way is by enabling R&D mode (or creating an empty file "/etc/no_lg_reboots")."

I use this opportunity to AGAIN recommend everyone to install U-boot and/or at the very least backupmenu or recovery shell AND (preferably) enable R&D mode. This is of critical importance if your USB port is busted.
Thankyou very much but how can i enable R&D is the phone powersoff just after loading the main menu?

I am new at this but please can u guide me thrrough the r&d enabling?

zimad 2015-01-27 17:48
Re: N900 Software Corrupted
 
Quote:
Originally Posted by sicelo (Post 1458406)
the OP should also just get the USB port fixed. not too difficult if he consults someone with the right tools and know-how.
I tried but only the charging can be fixed not the usb I/o signals

mrsellout 2015-01-27 18:43
Re: N900 Software Corrupted
 
People have managed to create another usb connection using the testpads under the battery. See:
http://talk.maemo.org/showthread.php?t=71414

reinob 2015-01-27 19:33
Re: N900 Software Corrupted
 
Quote:
Originally Posted by zimad (Post 1458423)
Thankyou very much but how can i enable R&D is the phone powersoff just after loading the main menu?

I am new at this but please can u guide me thrrough the r&d enabling?
Your only chance is if you managed to login via SSH before it reboots. I think the automatic wifi connection is normally started once the desktop is up and running, so the time window may be very small (or even negative, meaning no chance).

When does it exactly reboot? do you get to see the desktop? does it connect? are you able to start a program (click an icon) before it reboots?


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