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Solution for "camera black screen", "no charging LED" and "dead earphone"

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By Sui77, Senior Member on 30th July 2012, 09:32 PM
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Hi!

My phone got several problems during the last day without any reason.

- camera shows black screen and crashes
- headphone jack does not work
- earphone dead
- no charging

I've done research via google and found several "solutions"

- change sd-card: not the solution
- wipe cache and dalvik: not the solution
- re-assembling the camera unit: not the solution


The last one i've tried fixed my problem: One of the flat connectors on the motherboard was detached.
After plug it in again, the phone works fine again.

It was not my solution, but i thought it might be helpful to poste that again

Check out this topics and the posts from "abenia":
http://www.htcdesireforum.com/htc-de...-doesent-work/

In my case, the reason was the connection shown here(black part to mainboard, connectors not viewable on the pic): http://tjworld.net/attachment/blog/h...0156-small.JPG
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1st August 2012, 03:54 AM |#2  
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Quote:
Originally Posted by Sui77

Hi!

My phone got several problems during the last day without any reason.

- camera shows black screen and crashes
- headphone jack does not work
- earphone dead
- no charging

I've done research via google and found several "solutions"

- change sd-card: not the solution
- wipe cache and dalvik: not the solution
- re-assembling the camera unit: not the solution


The last one i've tried fixed my problem: One of the flat connectors on the motherboard was detached.
After plug it in again, the phone works fine again.

It was not my solution, but i thought it might be helpful to poste that again

Check out this topics and the posts from "abenia":
http://www.htcdesireforum.com/htc-de...-doesent-work/

In my case, the reason was the connection shown here(black part to mainboard, connectors not viewable on the pic): http://tjworld.net/attachment/blog/h...0156-small.JPG

so, something detached the mainboard connector? My camera is dead too.

Sent from my GT-P1000 using xda app-developers app
1st August 2012, 05:48 PM |#3  
Sui77's Avatar
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YES.

Only your cam or also headphone jack and LED?

Try to fix it like i've discribed...should work.
1st August 2012, 06:24 PM |#4  
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Quote:
Originally Posted by panpjp

so, something detached the mainboard connector? My camera is dead too.

Sent from my GT-P1000 using xda app-developers app

Ur camera is dead because u r using ManU kernel. I already told u this in another post

Sent from my HTC Desire
2nd August 2012, 03:20 AM |#5  
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Quote:
Originally Posted by jmcclue

Ur camera is dead because u r using ManU kernel. I already told u this in another post

Sent from my HTC Desire

Okay, okay.

Sent from my HTC Desire using xda app-developers app
20th September 2012, 02:11 PM |#6  
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?
Quote:
Originally Posted by Sui77

Hi!

My phone got several problems during the last day without any reason.

- camera shows black screen and crashes
- headphone jack does not work
- earphone dead
- no charging

I've done research via google and found several "solutions"

- change sd-card: not the solution
- wipe cache and dalvik: not the solution
- re-assembling the camera unit: not the solution


The last one i've tried fixed my problem: One of the flat connectors on the motherboard was detached.
After plug it in again, the phone works fine again.

It was not my solution, but i thought it might be helpful to poste that again
[/url]

Hi Sui77,

i had a look at your second link, with the back of the phone opened up. Could you please be a bit more specific of the area where the connector is (the one i have to re-attach). maybe a red circle on the picture

Many thanks
20th September 2012, 02:25 PM |#7  
Sui77's Avatar
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Quote:
Originally Posted by seb_coz

Hi Sui77,

i had a look at your second link, with the back of the phone opened up. Could you please be a bit more specific of the area where the connector is (the one i have to re-attach). maybe a red circle on the picture

Many thanks

Hi!

You might laugh, but i have had to redo the fix THIS morning.
The connector popped out again without any reason, so first flash stopped working, then LED, then headset and finally cam.

Ok, i opened up the phone and fixed it.
Sadly i ave had no cam beside me.
This time i put a bit tape on the connector, so it is blocked after reassemly.

I will do that again this evening and make a small "how to" and post it over here.
If not....kick me
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20th September 2012, 02:39 PM |#8  
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Here we go:


Dismount the desire like shown here: http://www.formymobile.co.uk/desiredisassembly.php

Up to this step.







Keep the upper board in place, just dismount the lower one.
Dismount the one screew in the left lower corner and detach the three connectors on the right side.
Now you are able to flip the lower board with the 2 attached foil cables.
The left connector is the reason!
Replug it, put some foam or tape on its back and attach it with tape to the surrounding area.
The reassemble the device.

It's all easy and may take you 10min
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26th September 2012, 01:47 PM |#9  
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Quote:
Originally Posted by Sui77

Here we go:


Dismount the desire like shown here:

Up to this step.






Keep the upper board in place, just dismount the lower one.
Dismount the one screew in the left lower corner and detach the three connectors on the right side.
Now you are able to flip the lower board with the 2 attached foil cables.
The left connector is the reason!
Replug it, put some foam or tape on its back and attach it with tape to the surrounding area.
The reassemble the device.

It's all easy and may take you 10min

Hey there. thanks for the detailed explanation. i will try this evening and let you know afterwards.

have a great day
6th October 2012, 11:52 PM |#10  
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Quote:
Originally Posted by Sui77

Keep the upper board in place, just dismount the lower one.
Dismount the one screew in the left lower corner and detach the three connectors on the right side.
Now you are able to flip the lower board with the 2 attached foil cables.
The left connector is the reason!
Replug it, put some foam or tape on its back and attach it with tape to the surrounding area.
The reassemble the device.

It's all easy and may take you 10min

Quote:
Originally Posted by seb_coz

Hey there. thanks for the detailed explanation. i will try this evening and let you know afterwards.

have a great day


Hi, I'm experiencing the same camera/camcorder/flashlight problem and would like to try this fix, but I'm a little unsure of what to do after dismounting the bottom board. I haven't tried it yet, but I get confused with flipping the lower board and what left connector I should be looking for. Is it straight forward once the board is flipped? Would either of you be able to explain this a little more, maybe with some pictures? Thanks.

EDIT: So I just decided to go for it and it was pretty straight forward. It was the black foil-wire(?not sure what you call it) connector under the microSD card slot.
heres a picture looking down from the top:


you can see the gap between the connector on the right. just had to push it in, and presto! Camera, flash and led working again Thanks!
7th October 2012, 10:30 AM |#11  
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Hi biictorr,

congrats!

As I said, it is really easy.
I have had to do that twice, because the mentinoned connector got loose again.
Now I have applyed a bit of foam tape on the connector so it will be kept in place by the pressure of the housing.

Just bought a second Desire for $50 with the same failure for business use - took me 16 minutes to repair it
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