[Q] nexus 5 a black screen HELP ! - Nexus 5 Q&A, Help & Troubleshooting

hello ,
i have nexus 5 i installed last week a new screen with frame and work perfect . Today i tried to install a new rare camera coz it was damage suddenly the screen went black , everything was connected well but when i press hard on the back of nexus the screen become on but no touch feature is on and when i remove my hand become black . i want to know what is the part is damage is it my screen or the mother board or the charging part that connect the screen with the mother board .

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HTC Touch Pro gone black!! (Problem)

Greetings!
Today my phone dropped of the desk and closed...i powered it on again vibration was working but screen was black!I tried my old lcd same thing...
For what part should i search t find or it's pointless...??
probably a hardware problem,the clue that the software works that it vibtrates,ry and buy a new scren or go to a shop to fix it
I've change screen i tried my old one(touch(digitizer) problem)..so i think this ( cgi.ebay.co.uk/Keypad-PCB-Flex-Cable-HTC-TOUCH-PRO-T7272-/320597490986?pt=UK_Mobiles_Accessories_RL&hash=item4aa5197d2a ) will solve the problem...
PS: Cant post link cause of forum restrictions.
Hello Dimgr
I lost my Touch Pro last month ( MB gave up) other part are perfectly working. As HTC service center said MB is gone i got courage to look inside deeply.
Therefore i can can the link is NaviCap assembly which is noway handles screen.
What i can guess i could be BD Slide
I though it would be that cause the screen connects with navikey.My phone hit the floor with the screen and keyboard was on!(i cant explain it sorry for my bad english :/) Any other suggestions??I dont want to rip my phone .
Just one day my TP stopped responding to touch, everything else working.
After few days screen went black, but phone was starting Navi key were glowing while charging, even phone was getting detected by PC.
I gave my TP to HTC service center they said Mother Board has gone & it was costing almost a new phone.
So i decided to sale the parts.
I sold Navi key to one of member on this forum only & its working perfectly, this confirms my doubt that Navi key is not the bug in your case as well.
Three things could have happened.
1. The best scenario is the jolt from the drop just dislodged the ribbon cable connecting to the screen. Resolution: Reseat ribbon cable on screen and on body of the phone (requires to open the phone)
2. The screen simple is busted and needs to be replaced.
3. The motherboard got busted and needs to be replaced.
1. The phone is open i even tried another screen all ribbon cables are checked :/
2. The screen seems to be ok... I dont think that both screes are faulty!!!
3.R.I.P. Htc touch pro...
My situation was same & HTC service center concluded that motherboard is gone.
So i believe your motherboard is also gone & this means there something which stops working after physical.
Because after my phone stopped responding to Touch i gave some shock with a hope that it may help in case of loose connection, but next day screen gone black.

[Q] Lg nexus 4 proximity problem

my lg nexus 4 screen got broken last two week just got a new screen both screen and touch pad is together since then when ever i make call the screen will auto off and will never turn on even if i move it away from my ear it still remain black and i also press the power botton it still remain black on till the receiver end the call before it back on
pls any help pls??????????????????
or if there is any apk that can make stay on while calling pls help!!!!!!!!!
SOJAYeverlast said:
my lg nexus 4 screen got broken last two week just got a new screen both screen and touch pad is together since then when ever i make call the screen will auto off and will never turn on even if i move it away from my ear it still remain black and i also press the power botton it still remain black on till the receiver end the call before it back on
pls any help pls??????????????????
or if there is any apk that can make stay on while calling pls help!!!!!!!!!
Click to expand...
Click to collapse
I had the same issue after replacing a screen on my nexus 4, Im not certain but after researching this, It may be battery related, do you also have what i would call "ghost touches" when web browsing?
It might be your screen protector covering the sensor, mine was caused by it.

Nexus 5 display multicolored dots and black screen

Hey guys,
my phone felt on the floor and the screen was broken. Unfortunatly also the display showed just colored dots. So I bought a display on ebay replaced it and it worked fine. After a few days the screen started to flicker and after one day the screen was completely stuck. It showed the same pattern (colored dots like on the TV) like it did before. I made a hard reset and it worked again. After a few days the same problem. Then i read that i should replace the USB Flex cable. I did it but still nothing is better.
As I said, when I make a hard reset it works for a few days/hours and then I end up with a colored or even completly black screen . The digitzier seems to work because it reacts to touch gestures. Also the phone itself works (gets messages etc.) while the screen makes the problems.
Could you help me out here or give me a hint what I could test to find out what I realy have to replace?
THX

Nexus 5 Battery not charging over 23% and white lines on screen when tapping

Hello everybody!
So i've been sitting down at my couch watching some TV just responded to a message on my Nexus 5 locked the screen and walked away for a while to get something to drink.
I come back try to unlock it i touch the screen and horizontal white lines/stripes appear everytime i touch it and the touchscreen is unresponsive!
Ive let it charge for few hours as it got to 24% the touchscreen worked for a while and again failed. The phone is charging now for 17 hours and the battery is at 6%...
What is faulty in my phone and why did that happen? (Original Nexus 5 charger)
What should i replace?
-Charger and Battery
-Digitizer
-Whole LCD and other stuff
or is it a problem with the mainboard? I did check the contacts on all plugs they all look fine :/
Please help because im now stuck with a crappy lumia and i miss my Nexus, The display works fine but as soon as it gets to like Custom recovery or the android itself its charging extremly slow like it took 5 hours to charge 3 percent and the touchscreen every time i touch it creates white lines/stripes that flash 4 times and dissapear.
Ive seen one guy with that issue, he has uploaded a video about it just google nexus 5 white lines and its on the top of videos
Yes my warranty is already off, and yes i do have the ability to change screens and stuff without damaging things like i did with a LG G2 and some PSP's

Nexus 5 - trying to repair it. Screen? Other issue?

Hi
I am trying to fix my Nexus 5. Couple months ago I dropped a mug on the phone. The result: cracked screen. I ordered a new screen with the whole front housing so only thing I had to do was remove cracked screen with frame and replace it with new one. When I did it I turn on the phone but I saw only a short blink of the screen. After lots of attempts of I came to conclusion that I probably damaged the new screen or it was already damaged. So the screen is black. When I plug the phone to PC everything works perfectly. I can browse the memory etc.
I would like to ask you whether my conclusion is correct and the only issue is the screen which has been damaged by me or the seller.
One more thing is that when I charge the phone or it is attached to the PC beside the black screen I can not also see any light from notification led.
Best
micro
If the old screen can still display an image, move the parts back to the old screen to check for issues.
HI. Thx for reply. I don't remember whether cracked screen was functional in terms of displaying image. I will try to attache the old screen and will let you know.
Best

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