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panjgoori's Avatar
panjgoori is offline panjgoori
2013-07-25 , 10:41
Posts: 1,236 | Thanked: 1,278 times | Joined on Aug 2011 @ Balochistan
#1
today when i woke up my N900's hardware slide to unlock key was not working. It was working yesterday without any problem. I thought may be its a software issue so i reflashed it but its still not working.

after trying/sliding button more than 15 times its behaving totally weird now. it keeps locking and unlocking phone. seems like its stuck inside. lshal -m log attached. see how its behaving.

Code:
BusyBox v1.10.2 (Debian 3:1.10.2.legal-1osso30+0m5) built-in shell (ash)
Enter 'help' for a list of built-in commands.

~ $ lshal -m

Start monitoring devicelist:
-------------------------------------------------
06:06:02.392: platform_kb_lock property button.state.value = false
06:06:02.408: platform_kb_lock condition ButtonPressed = cover
06:06:02.485: platform_kb_lock property button.state.value = true
06:06:02.515: platform_kb_lock condition ButtonPressed = cover
06:06:03.456: platform_kb_lock property button.state.value = false
06:06:03.464: platform_kb_lock condition ButtonPressed = cover
06:06:03.555: platform_kb_lock property button.state.value = true
06:06:03.564: platform_kb_lock condition ButtonPressed = cover
06:06:11.977: platform_kb_lock property button.state.value = true
06:06:12.074: platform_kb_lock condition ButtonPressed = cover
06:06:12.075: platform_kb_lock property button.state.value = true
06:06:12.116: platform_kb_lock condition ButtonPressed = cover
06:06:23.365: bme property battery.voltage.current = 3775 (0xebf)
06:06:23.400: bme property battery.reporting.current = 428 (0x1ac)
06:06:23.501: bme property battery.remaining_time = 7200 (0x1c20)
06:06:33.205: platform_kb_lock property button.state.value = false
06:06:33.223: platform_kb_lock condition ButtonPressed = cover
06:06:33.341: platform_kb_lock property button.state.value = true
06:06:33.361: platform_kb_lock condition ButtonPressed = cover
06:06:33.573: bme property battery.voltage.current = 3781 (0xec5)
06:06:33.589: bme property battery.reporting.current = 427 (0x1ab)
06:06:36.701: platform_kb_lock property button.state.value = false
06:06:36.716: platform_kb_lock condition ButtonPressed = cover
06:06:36.780: platform_kb_lock property button.state.value = true
06:06:36.822: platform_kb_lock condition ButtonPressed = cover
06:06:38.084: platform_kb_lock property button.state.value = false
06:06:38.100: platform_kb_lock condition ButtonPressed = cover
06:06:38.146: platform_kb_lock property button.state.value = true
06:06:38.161: platform_kb_lock condition ButtonPressed = cover
any solution or i have to take it to a repairing shop ?
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N900 Firmware files with Flasher Linux+Windows
Last edited by panjgoori; 2013-08-25 at 17:22.
 
pichlo's Avatar
pichlo is offline pichlo
2013-07-25 , 10:49
Posts: 6,445 | Thanked: 20,981 times | Joined on Sep 2012 @ UK
#2
Did you have a storm at night by any chance? There have been a few reports (including by yours truly) that the slider is sensitive to moisture but will start working properly again once completely dried. Which may take hours or days.
 

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nokiabot's Avatar
nokiabot is offline nokiabot
2013-07-25 , 11:04
Posts: 1,974 | Thanked: 1,834 times | Joined on Mar 2013 @ india
#3
take it to repairing shop if moisture then they will dry it up or act accordingly and stop sliding it over and over again
 

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panjgoori's Avatar
panjgoori is offline panjgoori
2013-07-25 , 11:06
Posts: 1,236 | Thanked: 1,278 times | Joined on Aug 2011 @ Balochistan
#4
Originally Posted by pichlo View Post
Did you have a storm at night by any chance? There have been a few reports (including by yours truly) that the slider is sensitive to moisture but will start working properly again once completely dried. Which may take hours or days.
no. can it be caused by sweating ? as weather is pretty hot here and when i leave to take my classes i sweat much and also my phone is in my front pocket of my shirt. and it morning it was not working at all.
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N900 Firmware files with Flasher Linux+Windows
 
nokiabot's Avatar
nokiabot is offline nokiabot
2013-07-25 , 11:12
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#5
sweat damages phones intensively specialy displays and hardware switches and shorting the board its too conductive.
 

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pichlo is offline pichlo
2013-07-25 , 11:42
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#6
I believe it can be caused by sweating. I found a steamy bathroom was the cause in my case.

Of course that is just one possible cause. It may turn out to be another problem altogether.
 

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panjgoori's Avatar
panjgoori is offline panjgoori
2013-07-25 , 13:53
Posts: 1,236 | Thanked: 1,278 times | Joined on Aug 2011 @ Balochistan
#7
Originally Posted by pichlo View Post
I believe it can be caused by sweating. I found a steamy bathroom was the cause in my case.

Of course that is just one possible cause. It may turn out to be another problem altogether.
yeah that may be the cause. as first it was totaly un responsive and now it is too sensitive. is there any way to turn this off ? i mean make N900 not to respond to hardware slider lock and unlock commands ? its really annoying.
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N900 Firmware files with Flasher Linux+Windows
 
Estel's Avatar
Estel is offline Estel
2013-07-25 , 14:21
Posts: 5,028 | Thanked: 8,613 times | Joined on Mar 2011
#8
I would suspect a little dirt, that is making it stuck (for a while) in one position... Before taking it to repair shop, I would disassemble device and check it myself - it's as easy as unscrewing 6 screws, really.

Either "faerie" is visible, or (if you check pressing that button on MB yourself, and it seems to work OK), it's really damaged switch. In the latter case, repair center sounds sane - one could attempt to replace that switch her/himself, but it's not trivial for beginners (small parts, SMD).

/Estel
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panjgoori's Avatar
panjgoori is offline panjgoori
2013-07-25 , 15:19
Posts: 1,236 | Thanked: 1,278 times | Joined on Aug 2011 @ Balochistan
#9
Originally Posted by Estel View Post
I would suspect a little dirt, that is making it stuck (for a while) in one position... Before taking it to repair shop, I would disassemble device and check it myself - it's as easy as unscrewing 6 screws, really.

Either "faerie" is visible, or (if you check pressing that button on MB yourself, and it seems to work OK), it's really damaged switch. In the latter case, repair center sounds sane - one could attempt to replace that switch her/himself, but it's not trivial for beginners (small parts, SMD).

/Estel
is there any guide for disassembling ? i would do it myself if its easy. and is there anyway to disable it until its fixed ? it keeps locking and unlocking device. slide itslef is smooth as it was.
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panjgoori is offline panjgoori
2013-07-25 , 19:07
Posts: 1,236 | Thanked: 1,278 times | Joined on Aug 2011 @ Balochistan
#10
one more question. now whenever i try to start backupmenu it just restarts itself when it shows menu for about 1 second. it reboots because of this problem ?
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