Please help - General Topics

ok i've really buggered it up this time, my screen's been pissing me off because it's still ****ed (slight drop, people suggested it might be a loose connector) so i got the t6 screw driver and opened it up and decided that i could probably live with a slightly buggered screen as opposed to anything going wrong.
Decided to give it another go today and re did the connectos and all. got to restart it and it seems the screen's off and the backlight's on or the screen's white. help?

No video signal I think, check the flat connecter that comes from the screen to the motherboard, this must be pushed in and clipped firmly.

checked that, it's all fine there, what's on the other end of the cable? has it got another connector in the screen should i check that? how do i take out the motherboard?

Related

I threw my phone in a fit of rage.

I was upset, could not handle life anymore. I was at work and just threw my phone with tremendous force into the wall. Made hole in drywall but phone remained in tact. Nothing seemed broken.
I live in a 3G area but not it never displays the 3G icon, infact most of the time it displays the roaming icon. My calls are always getting dropped. The internet on the phone no longer works.
I tried to reset the phone, and did a rom update with a rom I found here. Did update successful but no luck. Then re did a rom update with the latest one from the HTC website.
Same problem persists. How can I know what component is damaged and where can I get the part to fix it?
When I had a HTC tilt, I sat on my phone and broke the screen, was able to get replacement unit and change it myself with ease.
I would like to thank you all in advanced and hope you all have a wonderful day.
Study here how to dismantle the device and what the components are
Dude, some therapy may help....got insurance, do that and get a replacement phone
having taken mine apart, if it looks like it's still in one piece, the thing that jumps immediately to mind is just that your antenna got loose. it's the only thing pretty much with an exposed connector that could pop off. (the display may be able to also, but you'd notice that =)
search for the raphael service manual, only tricky part in getting to the antenna is after you pop the back housing loose on the top 3 sides, you have to pull back the top far/hard enough that you think you're gonna break the usb port to get the housing free of it. Pull it back a bit, unplug that speaker wire, then pull it back some more, needs a gap at the top of about 2 inches to clear the bottom usb port. it'll just click and snap free. i took 30 minutes doing it cuz i thought i was gonna break it.

[Q] Problem with Screen?

I've got a transformer, and the screen doesn't appear to be working. My boyfriend bought it the first day it came out, dropped it, was able to play with it a bit. The battery died and he set it to charge, and after that the screen wouldn't work. The screen itself is fine, it just isn't displaying anything (He can't take it back for a warranty repair, because he threw out the receipt, that's why he threw it to me to look at).
When you plug it into a computer, the computer recognizes it and you can browse the files on it. When you use the hdmi cable to plug it into the tv you can see the screen of the tablet on the tv and you can use it, so it's not anything wrong with inside workings of the tablet itself. I took it apart and everything looked alright on the inside to me, nothing rattling around, and all the connections appeared to be connected tightly. I was able to see the slide to unlock symbol on the screen by shining a flash light directly on it while the unit was on, but it was really faint and hard to see.
Does anyone know what the problem could be? In a normal laptop I would say it's the inverter, but I'm not really sure if tablets use technology like that. I'm a bit at a loss here for what the problem could be and how to fix it.
Pretty close i would say its the digitizer though you will need to rma it to get it fixed
Screens break in many different ways, just because there is no crack or leaking LCD look to it doesn't mean its fine
I would place my bets on the screen being damaged, although the board could have cracked or a solder joint could have come lose or a tiny tear in the ribbon cable
Screen is the most fragile though
I had the same problem, and after opening the TF everything looked fine too. It was not. What I did was to unplug all the cables and plug them all again. Problem solved.
Probably the screen cable got a little loose after the drop.
Good luck.

[Q] Help screen not responding

Hey guys i hated my tf300 untill i put a custom ROM(hydro) on it.I have loved it ever since...unfortunately i dropped it and now the screen just doesnt respond anymore..screen still looks perfect no crack or scratch..i have tried full reset and everything i can....should i get i new digitizer??
will that fix it please help..
rchremi said:
Hey guys i hated my tf300 untill i put a custom ROM(hydro) on it.I have loved it ever since...unfortunately i dropped it and now the screen just doesnt respond anymore..screen still looks perfect no crack or scratch..i have tried full reset and everything i can....should i get i new digitizer??
will that fix it please help..
Click to expand...
Click to collapse
Cracks are not always visible. But if they're not there, I'd suggest you open the back case and try to reseat the ribbon cables at the touchscreen PCB. While at it, check the flat silver cable connecting that board to the mainboard also. Make sure nothing is jarred loose by the drop.
graphdarnell said:
Cracks are not always visible. But if they're not there, I'd suggest you open the back case and try to reseat the ribbon cables at the touchscreen PCB. While at it, check the flat silver cable connecting that board to the mainboard also. Make sure nothing is jarred loose by the drop.
Click to expand...
Click to collapse
thanx for responding...i did exactly what you said ..i disconnected both cables (silver and brown) and put them back..more than half of the screen started working, the other part was just dead and those parts didnt work even when i tilted the screen.. like 5 minutes later the entire screen is dead again......do you think its the digitizer?
rchremi said:
thanx for responding...i did exactly what you said ..i disconnected both cables (silver and brown) and put them back..more than half of the screen started working, the other part was just dead and those parts didnt work even when i tilted the screen.. like 5 minutes later the entire screen is dead again......do you think its the digitizer?
Click to expand...
Click to collapse
Sorry for the late reply. I've run into this problem before. When you have a digitizer that works for a few minutes then stops as the tab warms up, (1) more likely than not, there's a crack somewhere or a tear on the ribbons, visible or not, or (2) the new screen boycotting the old firmware. No new screen points to faulty hardware. However, it doesn't hurt to eliminate possible software causes.
The best test I can think of at this point would be to first check the physical connections again (check the connectors and ribbon ends under a magnifying glass, make sure they aren't damaged, bent or stripped), then re-flash the firmware following instructions in another thread, then turn on "show touches" in settings. If you still see "ghost touches" after a few minutes, the digitizer is likely ass-kicked by the drop.
I've had a digitizer on a TF act "leisurely" because of a crack across the width of the bordering black strip that couldn't be detected with the naked eye because it severed the circuit on just the underside. The surface was totally smooth. As the crack spread, it became obvious.
If I had access to your glass, I could've tested for you. Too bad.

[Q]Tablet not turning on after digitizer replacement

So I broke my digitizer glass a few weeks ago. I ordered a new digitizer off ebay... I made sure I ordered the correct version (it was the "no model version" or whatever). Installed it which was really annoying because of all the nasty glue.
Now I can't get the tablet to turn on at all. Before at least the LCD was functional. The red charging light comes on when I plug in the charger but that's it.
Any way I accidentally broke a cable or something when I was taking it apart? I checked it all and everything seems fine... I really don't know what to do.
Assuming I can't get it fixed, think I could sell the broken tablet for anything?
Thanks!
zaner123 said:
So I broke my digitizer glass a few weeks ago. I ordered a new digitizer off ebay... I made sure I ordered the correct version (it was the "no model version" or whatever). Installed it which was really annoying because of all the nasty glue.
Now I can't get the tablet to turn on at all. Before at least the LCD was functional. The red charging light comes on when I plug in the charger but that's it.
Any way I accidentally broke a cable or something when I was taking it apart? I checked it all and everything seems fine... I really don't know what to do.
Assuming I can't get it fixed, think I could sell the broken tablet for anything?
Thanks!
Click to expand...
Click to collapse
Of course you can resell the tab in its current state. Quickly or slowly depending on the asking price. But before doing that, you should check one more time. The fastest way is plug it to a TV monitor via the micro HDMI port. If it comes on, at least you know the system is working except for the video. Past that, there can only be two possibilities. (1) Bad lcd: something might have happened when you pried it off the broken digitizer; and/or (2) the video cable is bad, or improperly connected - by that, I mean you need to make sure it fits all the way in at both ends (mainboard & LCD). Check connection with a magnifying glass, You won't believe how many times people forget to reconnect the cable or connect it wrong. Lastly, if you did turn the service switch off, make sure it's turned on again. Good luck.
LCD to Mainboard connection...can it be connected "wrong"? Or simply not as snug as it should be?
Also, what is the service switch?
zaner123 said:
LCD to Mainboard connection...can it be connected "wrong"? Or simply not as snug as it should be?
Also, what is the service switch?
Click to expand...
Click to collapse
Here's the link to the relevant thread. Search for the necessary information within it. The cable that goes from LCD to mainboard is labeled: "MB" end goes to mainboard. The service switch is located at the top of the mainboard looking from the back, to the left of the power button ribbon (top right corner of tab), and is labeled "on"/"off". You should turn it off before doing anything. It cuts off all current to the boards and prevents accidental shortcircuitings. If you don't and mess around with the digitizer board, you might burn a fuse that controls the dig's operations. But this is for later. Go to the thread and browse it.

Nexus 5 Audio and Black Screen Issues

Hi everyone, I'm have an issue with my Nexus 5 and hoping someone here can tell me whats going on.
It started off with the sound always cutting out, and I have to press the back part near the "S" logo for it to return.
Eventually the screen would go black but I can clearly see a back light is on. Now not only does the sound cut out, and screen goes blank.
It has become very sluggish to reboot it. I hold the power button until the phone reboots "Google" logo appears and the android animation. Now during this time the phone will be so slow to the point of being crippled out and i have to reboot it again and again until it is normal speed returns. Often it will black out during this time.
I'm just trying to understand what is failing. I tried safe-mode and it still has the issue. I cleared cache, reset the phone everything, nothing appears to fix the issue at all.
edit: I forgot to add, when I'm on YT or listening to music or browsing the web, even though the screen is blank with just the back light on, the sound is still going (when it works). I get text/call notifications still during this time.
My Phone Details.
Nexus 5
Android version, 6.0.1 (MOB30Y)
no ROOT
No replies at all, I guess I may have to garbage the phone. Idk what else to do with this device to fix it.
Please don't throw it away.
You said that pushing at a specific spot fixes the problem (or improves the audio situation). This means that it's a hardware problem. I have disassembled it many times and I know the layout. Behind the 'S' of NEXUS is actually the motherboard cover, and under it are 2 connectors; one for the battery and one for an extra 'board' that is located right underneath the LG logo on your back cover. On that 'board' is your screen connector, and also the speaker rests on there, as well as the primary microphone, 3G and 4G antennas and of course the USB port. The connector for this extra board is actually located a bit to the left on the 'S' (when you look at your phone from the back, it's more below the camera).
Now I have to note this: While using my phone, I have experienced some UI hiccups. At random times (very rarely) everything would just freeze for a few minutes, though music would still play. The power button was useless apart from the hard reset, it was so badly stuck. This was a software problem, although it appeared MOST at one point when my motherboard was faulty. Since I got a new device, it happened again but only once. I'm not sure that this is what you are experiencing. If this is the case, then it's a software fault. Never happened on CM so you can give it a try.
But since it's probably a hardware problem, you can always check it out yourself. Obviously if you have warranty you are covered. Otherwise, you can try disassembling it, at least take the back cover and the motherboard cover off, it's ridiculously easy, there is a disassembly guide from ifixit (I think) online, just be careful not to break the clips of the back cover (xp talking). If you open it, keep away metal things and the first thing you do after you remove the motherboard cover is remove the battery (xp talking again). Obviously turn off the phone properly before you attempt anything. Everything is sensitive in there so be careful. What you should look for is the long connector that connects the extra board that is located at the bottom of the phone with the motherboard. That's what you are pushing so if it's not sitting correctly, then that's your problem.
Plus, everything in there, apart from the motherboard, is cheap and can be found on eBay so don't worry if something is broken (unless it's the motherboard, then no hope ).
I hope I helped.
Firstly thanks for the reply. I did manage to remove the back and get to the connector you were saying. I reseated this and noticed the phone was working much better. I noticed the following still.
When it starts acting slow/crippled pressing this connector fixes the issue. However once the screen goes black with just a backlight this method is rendered useless. Also sometimes when I plug in the wire to charge it will cripple and or go black. So I wondering if the board is shot as you suggested to order a new one, or is it the connector strip ?
Again thank you for the response.
It seems like this board is causing everything. First, check the connector on the motherboard. Make sure that nothing is wrong on the motherboard. Then you can remove the bottom black plastic thing that has the speaker on it and 2 antennas. Then, inspect this board. Check the connector of the display. There is only one big connector on it. This board is glued on the frame of the phone. You can remove it but do it carefully. Do it slowly so that you don't break it. First, remove the antennas extension cables from either this board or the motherboard, and then pull it out.
This board is definately responsible for the black screens and audio issues (unless your display is faulty, check its connector), but I'm not sure about the phone being sluggish. Since this board offers input to the motherboard, I suppose that it could be its fault.
Remove it and inspect everything. Then, if you want, you can order a new one. If you come across D820 and D821 models, I don't think that this part of the phone has anything to do with it so don't worry.
I will take a further look into this for sure, and report back. If you can provide which motherboard is required for my device, so I can also read into this and so that I may order it right-away. Is there any model number or something that indicates which board to order once it is open?
Thanks again!
omega59 said:
I will take a further look into this for sure, and report back. If you can provide which motherboard is required for my device, so I can also read into this and so that I may order it right-away. Is there any model number or something that indicates which board to order once it is open?
Thanks again!
Click to expand...
Click to collapse
You don't need to change the motherboard, not to mention it's very expensive and hard to find. What you need to replace is probably the flex cable that goes below the battery. For example this.
This is not model specific, you can use it with all available Nexus 5 models (D820/D821, 16/32GB) so it doesn't matter what device you have.
FYI, if you think that you should replace your motherboard (you probably shouldn't), you need to take into account the storage (16/32GB) and the network differences (D820 or D821, the only difference is about the 4G networking, the american version has some bands enabled and some others disabled, and vice versa)
Okay, I just ordered the replacement flex cable. It is going to take about a month before it arrives from HK , I hope it fixes the issues. I will respond to this post once it is here and installed. Thanks again.
http://www.ebay.com/itm/271660361300?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
omega59 said:
Okay, I just ordered the replacement flex cable. It is going to take about a month before it arrives from HK , I hope it fixes the issues. I will respond to this post once it is here and installed. Thanks again.
http://www.ebay.com/itm/271660361300?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
Click to expand...
Click to collapse
in the meantime, pray it isnĀ“t a motherboard issue, the conector can go bad and lose a few solder joints
I have exactly the same problem... I unmounted motherboard and clean everything but didn't help to much... did you find any solution ??
Siamer no solution just waiting for my delivery of the part. However it is getting worse with the blackscreens and crippled lag.
omega59 said:
Siamer no solution just waiting for my delivery of the part. However it is getting worse with the blackscreens and crippled lag.
Click to expand...
Click to collapse
my is the same. sometimes is working for few hours without any problems and than starting again, on the biggining it was power button problem but not I don't even touch that button (I use vol button to turn on) and sometimes screen getting black (with backlight on) and can't do anything so have to reboot... it's so anoying! Hope that parts will fix it, please let me know if you will find some solution. Today I will open phone and clean all connections etc...
Thanks,
siamer
I believe the part may fix it. I noticed if i run my finger along the strip the phone may uncripple itself or just turn black all together. I'm hoping it fixes it. I will report asap but this HK shipping is so slow it will be a month. Also there is no tracking
ATM i'am just trying to becareful with it trying not to trigger the issue. I just did an OTA update using FlashFire (6.0.1 (MOB31E) i wish v.7 will be available for my Nexus 5 ha ha!
Also if the Nexus 7p arrives I may just buy it to replace this Nexus5.
omega59 said:
I believe the part may fix it. I noticed if i run my finger along the strip the phone may uncripple itself or just turn black all together. I'm hoping it fixes it. I will report asap but this HK shipping is so slow it will be a month. Also there is no tracking
ATM i'am just trying to becareful with it trying not to trigger the issue. I just did an OTA update using FlashFire (6.0.1 (MOB31E) i wish v.7 will be available for my Nexus 5 ha ha!
Also if the Nexus 7p arrives I may just buy it to replace this Nexus5.
Click to expand...
Click to collapse
Hi Omega59.
Today I bought air compressed can(name: air dust) and open my nexus 5 as much as I could. I clean everything, every connector, every cable etc. and last few hours is working fine... even power button is working ok. I will let you know in next few hours how it will be, hope will be still ok
Good luck!
siamer
[edit]
there is still same problem, working better than before, black screen not showing so often but still showing... I think tomorrow I will order oneplus3... Would be nice wait to see new nexus but how... :/
Yeah I'm not sure when the Nexus 7p will arrive, they not even advertised much. I will assume next year?
OnePlus 3 looks nice, but compared to Galaxy 7 it's a bit better slightly. You should check out comparison charts
Maybe they are making a OnePlus 4 soon.
oneplus 3 already ordered. I don't like samsung. I would say nexus "7p" or "pixel xl" will be launch october as always prabaly 4th of october - leaks saing that... next oneplus will be launch around july next year as I know. the only phone that I was thinking about was oneplus, htc10 or new nexus but can't wait to see nexus...
today by excident I broke screen in my nexus 5, got a little bit angry
Regards,
siamer
omega59 said:
Siamer no solution just waiting for my delivery of the part. However it is getting worse with the blackscreens and crippled lag.
Click to expand...
Click to collapse
You probably don't want to hear this, but if it's getting worse, it's probably because of the pressure you apply to it, you make it worse. Be careful when you apply pressure around the motherboard since it's very sensitive. You REALLY don't want to break the motherboard. So if you find yourself pushing on the motherboard too often, you might want to leave it and wait for the replacement part so you won't ruin it.
Waiting for your news...
My part arrived yesterday. I put it in was pretty easy, however the first attempt i had to redo the top connector bc it was still black screen and no audio. After I disconnected the top connector ran some alcohol over it, re-put the top part things are working okay.
Just a note, the little USB connector (charger slot) seems to be very tight compared to the old one. Maybe bc it's new and not as worn down. But even just to put the wire in, requires more of a push, same with removing it.
I will see how it goes before I can really say that was the issue. I will report after a few days about it.
siamer said:
oneplus 3 already ordered. I don't like samsung. I would say nexus "7p" or "pixel xl" will be launch october as always prabaly 4th of october - leaks saing that... next oneplus will be launch around july next year as I know. the only phone that I was thinking about was oneplus, htc10 or new nexus but can't wait to see nexus...
today by excident I broke screen in my nexus 5, got a little bit angry
Regards,
siamer
Click to expand...
Click to collapse
I don't think N7P will be out this year, they have not advertised anything and we are almost in Oct. Right now they are all rumors.
omega59 said:
My part arrived yesterday. I put it in was pretty easy, however the first attempt i had to redo the top connector bc it was still black screen and no audio. After I disconnected the top connector ran some alcohol over it, re-put the top part things are working okay.
Just a note, the little USB connector (charger slot) seems to be very tight compared to the old one. Maybe bc it's new and not as worn down. But even just to put the wire in, requires more of a push, same with removing it.
I will see how it goes before I can really say that was the issue. I will report after a few days about it.
Click to expand...
Click to collapse
When I changed my screen and housing it was difficult to slide the USB connector in too. Just make sure that everything is in place, there is a rubber think for the microphone, maybe that's what's in the way. Don't stress the connector too much.

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