Touchscreen not working - Xperia Z5 Compact Q&A, Help & Troubleshooting

hi everyone,
I replaced a new LCD for my Z5 Compact... when I turned on the phone, the LCD lit up and work fine but the Touchscreen isn't working!
i bought it from ebay!
i cleaned the connectors, and i was trying reconnecting and i did that many times, and i think i did everything.. well, if im not missing something!
do you think is a defective unit or there is a solution for it?... the phone is still disassembled!
Thanks for any help or suggestion

Nidhal AKA the king said:
hi everyone,
I replaced a new LCD for my Z5 Compact... when I turned on the phone, the LCD lit up and work fine but the Touchscreen isn't working!
i bought it from ebay!
i cleaned the connectors, and i was trying reconnecting and i did that many times, and i think i did everything.. well, if im not missing something!
do you think is a defective unit or there is a solution for it?... the phone is still disassembled!
Thanks for any help or suggestion
Click to expand...
Click to collapse
Hi, did you manage to fix it? I am having the same problem. Z5 compact touchscreen not working, replaced the touchscreen, still not working :/

tigreek said:
Hi, did you manage to fix it? I am having the same problem. Z5 compact touchscreen not working, replaced the touchscreen, still not working :/
Click to expand...
Click to collapse
hi,
no, after a deep research i figured out that it was a defected LCD.. unfortunately!
so, i hope you#ll be able to fix yours or you will end up buying a whole lcd...

Nidhal AKA the king said:
hi,
no, after a deep research i figured out that it was a defected LCD.. unfortunately!
so, i hope you#ll be able to fix yours or you will end up buying a whole lcd...
Click to expand...
Click to collapse
Hi Nidhal
I have replaced whole screen with frame, but it seems to be used one (ordered from Aliexpress). It might be the case, I have two complete screens with same issue on my desk, but I dont know how to test them
Michal

tigreek said:
Hi Nidhal
I have replaced whole screen with frame, but it seems to be used one (ordered from Aliexpress). It might be the case, I have two complete screens with same issue on my desk, but I dont know how to test them
Michal
Click to expand...
Click to collapse
you have to test each of them separately
take out the mainboard from the old chasis (frame) to test on the new lcd you bought (carefully unplug all the connectors)
then, connect the lcd and digitizer connectors to the mainboard, connect the battery too, and of course the power flex cable should be connected.. power on the phone, and see if the display lit up, then if the touchscreen works... and do the same with the second one you have and i hope you will have a working one al least
watch this video tutorial to avoid any damage
https://www.youtube.com/watch?v=hrOQoOSbldU&t=1s
and BTW, never buy these type of parts from aliexpress! would've been better from ebay or amazon because you'll be covered with warranty in case the part you buy is defected, and for that, you'll get a full refund or ebay will refund you if the seller won't
good luck

Related

Touchscreen broken ?

Hi,
i bought a used mda via ebay and got it yesterday.
First thing i noticed was that the touchscreen didnt work right... i somhow managed to get through the calibration tool that poops up if i turn the device on. After that the touchscreen worked really good for 1 day and then suddenly it stopped working completely...
Anyone had this problem before and can give me some advice ?? I already got a 20e refund but i want to try to repair the device instead of selling it as broken.
And another question i have: Can i use the wm 2003se on a german device ??
Thank you
Seraptin
Edit: got it repaired myself... I opened the device and cleaned everything... there is still some dirt between the glass and the screen.. if anyone knows how to remove the glass to clean that, im listening But i dont think thats possible anyway.
my screen is broken
Hi,
Glad to read that you have repaired it yourself. I just dropped mine on the floor yesterday and the screen is broken. Touch screen still works but the screen is cracked and I can see a black spot. I wish someone can help me purchase a new screen. I would try to install it myself.
polar20

[Q] Atrix Hardware Problem Touchscreen

The top part of my Atrix would not fully respond to touch, and so I ordered a replacement digitizer for it. I installed the digitizer today and instead of the problem being fixed, the area of non responsiveness has increased, the 1 inch or so below the initial deadspot is also not responding. Also, the proximity sensor fails to turn off when I'm in a call and the phone is not near my face. What other hardware problem could it be that's causing the dead spot on my touchscreen and how to fix it?
I had the same exact problem when I first got my atrix and When I did a research on the issue I found out that I wasn't the only one and it turned out that it was a factory defect...if your atrix is still under warranty you shouldn't have any problem of getting a replacement
Oh man,
The problem is the boot loader is unlocked and I did go and replace the digitizer myself, so I'm pretty sure the warranty is voided. Any solutions or am I dead in the water?
BlackKnight12 said:
Oh man,
The problem is the boot loader is unlocked and I did go and replace the digitizer myself, so I'm pretty sure the warranty is voided. Any solutions or am I dead in the water?
Click to expand...
Click to collapse
hehe! Its kinda weird solution but it'll work! Just hard brick your device! If you are in gingerbread & flash any lower SBF the phone will be hardbricked. So you won't be able to go the bootloader state.
So then you talk to Motorola & say them you screwed things up while updating the set to GB. (Be a stupid in front of them)
They'll replace your phone.
Its not the great solution but it may work perfectly!
saiftheboss7 said:
hehe! Its kinda weird solution but it'll work! Just hard brick your device! If you are in gingerbread & flash any lower SBF the phone will be hardbricked. So you won't be able to go the bootloader state.
So then you talk to Motorola & say them you screwed things up while updating the set to GB. (Be a stupid in front of them)
They'll replace your phone.
Its not the great solution but it may work perfectly!
Click to expand...
Click to collapse
i did this..works:]
Had a cracked screen so I ordered a new digitizer. the old digitizer worked but was cracked all across the screen. I carefully removed the broken screen and replaced it. its now not responsive at all. I checked for damage to the ribbons but see no tearing crimping or other signs of damage, is it possible the replacement i ordered was defective? I mean lcd works great, volume rockers work in recovery but no touch response on screen.
http://forum.xda-developers.com/showthread.php?t=1295542&page=3
wozhere said:
http://forum.xda-developers.com/showthread.php?t=1295542&page=3
Click to expand...
Click to collapse
I don't think thats the case because my screen was responsive with the damaged screen. I connected the ribbon clip several times to no avail. I am leaning towards faulty replacement digitizer. thanks for your response though.
Edit: the digitizer I ordered was damaged, I have since replaced it and it works great

L9 P760 LCD screen not turning on

I got a realy stupid problem on the lg l9 P760. It's my girlfriends phone and she droped it once and now the lcd screen won't turn on, but the phone itself turns on. Trying to repair it i bought a new screen for 50€ and replaced the old one and it still doesn't work. What coould be the problem? Did i throw 50€ out of the window? I hope you guys can help me out, thx.
Edit: Any way of accessing the phone to delete content? Or is there a way to install a new firmware on it via pc without using the screen on the phone?
Would be nice if anyone had any idea what i should do or try next.
dna² said:
Would be nice if anyone had any idea what i should do or try next.
Click to expand...
Click to collapse
I think you should send it to LG service center. They can check and identify the problem. I think it's hardware problem.
artit said:
I think you should send it to LG service center. They can check and identify the problem. I think it's hardware problem.
Click to expand...
Click to collapse
The problem is will they do it? I already opened the phone and replaced the lcd screen wouldn't that void the warranty?
dna² said:
The problem is will they do it? I already opened the phone and replaced the lcd screen wouldn't that void the warranty?
Click to expand...
Click to collapse
I think so. But hardware problem is hard to solve in this forum and it's good to try LG service center even you already void the warranty. You may have to pay for their service.
Yeah but if they do it they are gonna bill me like 100€ and considering i already paid 50€ for a new screen that's 150€ repair costs for a 250€ phone not counting any shipping costs. I just emailed them and told them what happened.
I sent the 50€ lcd back and got a refund, bought another one from a different seller. This lcd screen doesn't work either. Only the led lights turn on, the lcd stays dark
Everything else works! The phones turns on, vibrates plays the starting sound and reacts to touch input. What the hell could it be? Is it again a bad lcd screen or maybe it's not event the lcds fault?! I am realy out of ideas and need help.
Edit: A repair website in my country that i wrote a email to said there's a chip on the mainboard that is responsible for the backlight on the screen. That chip must be dead or something, because no screen worked.
DNA89 said:
Edit: A repair website in my country that i wrote a email to said there's a chip on the mainboard that is responsible for the backlight on the screen. That chip must be dead or something, because no screen worked.
Click to expand...
Click to collapse
I have same problem. Did you solve this? I have one motherboard for spare parts, but i dont know what chip to replace??

[Q] Need Help with screen

So it looks like a small part of the top of my screen is dead, already tried everything and no luck, The draw line test shows about a 10% of the screen not working. I think this might be a hardware problem, but not sure.
If its the hardware, is it possible to only replace the Digitizer glass, without replacing the LCD screen?
Where can I buy the part (hopefully Original, I read that third party replacements are usually disappointing, because of quality.)? I tried searching in ebay and amazon and was only able to find for the HTC one X not the plus version.
Is it too hard to replace or i'm better saving for a new phone?
Do you mean the area where the status bar is? My HOX+ also doesn't recognize touches there. It happened suddenly 5 months ago when I was playing games . However, I used to it and it is not a big problem, I will give it to repair when I get on vacation .
I already made some researches on the internet and it is not an uncommon problem for touch screens. Yes, it is the digitizer's fault.
/\/\ said:
Do you mean the area where the status bar is? My HOX+ also doesn't recognize touches there. It happened suddenly 5 months ago when I was playing games . However, I used to it and it is not a big problem, I will give it to repair when I get on vacation .
I already made some researches on the internet and it is not an uncommon problem for touch screens. Yes, it is the digitizer's fault.
Click to expand...
Click to collapse
Exactly the same problem, upper part of the screen (all notification bar). I have an OCD and this tiny things bug me a lot. I guess now I need to find a digitizer to replace it, the problem is that on ebay and other sites there are not HOX+ available, all are for the HOX.
Is there any difference between HOX and HOX+ digitizers? I thought both got the same screen.
I'm not an expert so I won't fix it on my own, better send it back to service .
Btw. I've read one time that you can put a piece of paper between the bezel and grill to clean some mess up which could get inside the phone. I was wondered that I was able to slip the paper there, but it didn't work .
Arcano30 said:
So it looks like a small part of the top of my screen is dead, already tried everything and no luck, The draw line test shows about a 10% of the screen not working. I think this might be a hardware problem, but not sure.
If its the hardware, is it possible to only replace the Digitizer glass, without replacing the LCD screen?
Where can I buy the part (hopefully Original, I read that third party replacements are usually disappointing, because of quality.)? I tried searching in ebay and amazon and was only able to find for the HTC one X not the plus version.
Is it too hard to replace or i'm better saving for a new phone?
Click to expand...
Click to collapse
Hi you will find your parts here they sell OEM parts. (http://www.etradesupply.com/htc.html)
Goodluck!
Dont forget to hit the thanks button
Optimus said:
Hi you will find your parts here they sell OEM parts.
Goodluck!
Dont forget to hit the thanks button
Click to expand...
Click to collapse
Anyone tryed to replace screen with digitizer? it helps?
Screen replacement
edenlt said:
Anyone tryed to replace screen with digitizer? it helps?
Click to expand...
Click to collapse
Hi goto youtube and see a video how to replace..
Optimus said:
Hi goto youtube and see a video how to replace..
Click to expand...
Click to collapse
Hi, i know how to replace it, my question was if i replace screen dead zone will dispier?
edenlt said:
Hi, i know how to replace it, my question was if i replace screen dead zone will dispier?
Click to expand...
Click to collapse
yes it will work, but you can't only change the digitizer, it's too hard glued together. I broke my LCD connector while replacing the screen although
I was really careful, so it's not as easy as everyone says.
Thx, i will keep that in mind.

No display

Hi,
I come to you concerning a problem of display following a change of screen.
I explain: After the breakage of the screen, I ordered one and I installed it in the defective place. Before the final editing, I wanted to test it. The phone vibrates well at startup and it is well recognized by the PC but there is no display. I first thought of a problem with the connectivity of the ribbon cable. So I reverified everything and reconnected everything but the result remained the same. So I contacted the supplier who sent me another screen but I still do not have a display.
An idea about the problem?
Thank you in advance for your answers.
Sincerely,
Might be the phone.
Hello there,
I've had this same exact problem with my M4 Aqua (E2353) and I did order a few different screens from many different sellers, but still no luck. I later found out that it was the Pin Connecter in the Phone , not the Ribbon or the Replacement screen. I took it into the Dealers, since I still have my Warranty, and they gave me a replacement for my Phone, since I cannot wait for my damaged phone to be repaired. You might wanna look into the phone area.
Cheers!
Hi,
Thank you for your answer.
Indeed, I just looked more closely and I realized that there are two or three CMS components missing at the LCD connector (see picture attached).
Link to the image : hpics.li/0c2a510
Do you think it is repairable?
Regards,
Doesn't look like it's repairable by you, since it's a very sensitive part. I suggest you take it into the dealers to repair, before any accidental damage is done.
Hope I helped!

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