Database Info

Screen going black

I've tried various different ROM images (including the excellent Dr.Gonzo), and I have this problem with all of them.
When I'm using the phone either with the keyboard in or out, the screen just switches off randomly. If I wait a few seconds (possibly the backlight timer length), then it comes back. Mostly... Othertimes I have to wait a lot longer, but it does always come back.
A reboot sometimes fixes it, but not always - does anything survive a reboot or battery removal?
Anybody else seen anything like this? I have seen a lot of threads about the screen staying on, but not off.
Of course, it could be a hardware fault, but because it's intermittent, it's hard to prove.
Mike

same problem

If you shake the phone can you re-produce this problem? I've never not heard of this being affected by software - you might also want to ensure you're not overclocking it.
Nothing is removed when you do a battery removal or reboot, ensure your connections are all tight and make sure the SIM pins are all making contact and the SIM door closes, apart from that it sounds like a possible bad LCD ribbon.

Shaking it doesn't reproduce the problem.
Once the phone has started doing this, it happens everytime you press a key.
Seems more like a memory leak to me since it always seems to happen after a while of web browsing/email use.

So actually, it looks like it might be a hardware fault.
I think it happens when the device gets warm. After a few minutes with the screen on, keyboard lit up, wifi on, the phone gets pretty warm and that's when the screen seems to go black. Leave to cool and all returns to normal.
Mike

Same issue here, but the screen does not acually go black/blank it just seems that the screen backlight does not turn back on from a standby like state, the phone itself functions but just not able to see whats going on on the screen.
(keyboard lights work fine and come on when expected)
Not sure about the heat theory as it happens (to me) most often right after a call, anything over 30-50 seconds and the backlight problem occurs, when it decides to work again is a matter of luck.
As said before because it's intermittent, it's very hard to prove.
Has anyone who has had this issue, fixed it with a hard reset ?
Very strange ... but also getting very annoying now!

i got the same thing. took it back to warranty and they said nothing's wrong with the phone but i still get this.

I experience the same problems.. it happens pretty random, but every time when you hit a key. I have set all timers to never but the problem is still there.
Running Gonzo 1.1 at the moment, upgraded from guava.. but that didn't solve the problem.
It is getting so annoying now that I am about to throw the s710 in the dustbin

I have had the same problem!
I have turn it back to my provider and no problem now.

i have the same problem with my VOX
apparently, i can still receive phone calls, and do whatever i want with the phone,
but the screen just stays black, its like if you have unplugged your monitor
since i dont have a htc center in my town or anywhere else nearby.
does anyone know a way on how to open the phone, change what need to be changed and correct the problem? im all up for testing if that would resolve this annoying problem :s
cheers everyone

there is a dismantling manual somewhere in this forum. search.
i don't think taking it apart would help you because this is not a physical fault that you can locate.
and i learned that mcel is the retail seller of vox in mozambique. they should be able to help you with service. else just send a mail to htc support and they will guide you.

yes, mcel are the retail sellers, but i tried to go there, and there are no specialists on htc's there,
the thing is, i didnt bought my htc from them, so i can't go there and change for another one
but tks anyway

no problem
but do try to contact htc support by email. they might suggest a way.

I'm having exactly the same weird problem and I think I found some pattern when it occurs. Well, the thing is that in the bright day or in a room with lots of light it works just fine. In the darker conditions… well… not so fine. It seems to me that this screen blackout happens whenever the keyboard light is on and screen changes to full brightness (in the dark, because of the light sensor). In the daylight, keyboard light doesn't turn itself on, so s710 works. I don't know much but this definitely isn't some bad contact problem. Maybe some battery problem, but I doubt it since I can receive phone call in this condition. This started to happen after I flashed this Windows Mobile 6.1 ROM from HTC (I have original S710). Flashing Dr.Gonzo's later on didn't bring any luck either. I believe that some power control SW is the main culprit. I've read that many people mention some Tornado Power Control app. Does anybody know can this application be permanently disabled or removed?

are you trying to say that by desabling the light sensor, the problem might go away?
i would also like to know if it possible to have the baklight on the lowest possible brightness forever, because it seems, on a low brightness the problem might go away

petlof32 said:
I'm having exactly the same weird problem and I think I found some pattern when it occurs. Well, the thing is that in the bright day or in a room with lots of light it works just fine. In the darker conditions… well… not so fine. It seems to me that this screen blackout happens whenever the keyboard light is on and screen changes to full brightness (in the dark, because of the light sensor). In the daylight, keyboard light doesn't turn itself on, so s710 works. I don't know much but this definitely isn't some bad contact problem. Maybe some battery problem, but I doubt it since I can receive phone call in this condition. This started to happen after I flashed this Windows Mobile 6.1 ROM from HTC (I have original S710). Flashing Dr.Gonzo's later on didn't bring any luck either. I believe that some power control SW is the main culprit. I've read that many people mention some Tornado Power Control app. Does anybody know can this application be permanently disabled or removed?
Click to expand...
Click to collapse
I also have this problem with the lightsensor turned off. And also at (as it seems) random moments.

well, even with the light sensor turned off, the problem persisted.
i got my phone to a repair shop of htc's, and they figured out the problem
my phone is now 100% thankfully, the repair man told that the problem was because of bad or malfunctioned circuits, he exchanged them with new ones, and the problem went away,
dont know wich circuits exactly, and he didnt want to tell me, but i suggest anyone having the same problem to try and do the same
probably its a hardware malfunction with these VOX,
its possible since so many times before i've heard about malfunctioned pieces coming out in large quantities for sale.
anyways, cheers everyone, and good luck Portugal in EURO!

I have the same problem. I just noticed that it usually happens when the phone is warm, so if you need to do something on my phone just... take some ice from fridge and put it on back of your mobile. I cant see any more solutions.
Please someone help us!

Update. Problem Solved
Just thought I'd update this thread I started.
I sent the phone back to my dealer (Grapevine in Poole,UK).
A week later, I got a brand new one back from the HTC repair centre.
So far, so good. Looks like the problem's solved.
Mike

Sam problem here,
i called with HTC and they sent them to there repair centre.

Need Help! screen problem with VOX

hello guys, my first post to this great forum
first of all, i just recentrly bought a HTC S710 /VOX phone
great smartphone in fact, but the problem is
sometimes, when i press a button, the screen just goes black,
the phone continues to run though, i can receive calls, access programs and all, but i just cant see.
but, if i wait a couple of seconds till the screen "darkens" to start saving battery, the screen now shows in full color, after that, i have to wait for the phone to stay completely dark in screensave mode, otherwise, if i click a button before, it shows the screen in full color but right after it darkens again...
can someone find me a solution for this? im really desperate.
as i said, the phone continues to run normally, the screen just darkens, stays black, have to wait a couple of seconds for it to return to normal
much appreciated
anyone?

Anyone know something?
now i spent the whole weekend without the screen going black.
bust just right now, after i syncronised it with my pc... the screen went black again,
turned off the phone, and turned it on again, and the problem was gone...
any ideias for a solution?
much apreciated
cheers

problem still persists
but now, its not that often...
it can go by 2 days without the screen going black
but when it does, its really annoying :S
any ideas?

I have the same problem with my Vox. I tried:
-various rom updates,
-disabling the light sensor and
-messing arround with all other backlight/powersave settings.
Nothing worked. Ideas anyone?

problem still persists today any hopefull ideas?

if hard resets have not helped and you have tried other roms, then the problem is with the device not the os.
so for this you might want to contact the htc service. no other solution.

tks for the tip prajith
guess i'm in no luck then
i've tried hard reseting, changed the rom
but since i reside in Maputo - Mozambique
we don't have a htc center here
maybe in south africa our neighbour country
but anyways, guess ill just have to get used to it
tks

oh alright.
so where did you buy your device from? can't you ship your device for service. it does sound like a irritating problem to live with.

Phone doesn't boot anymore - broken?

Hello everybody,
i and my Vox are having a really weird problem. I was surfing the Internet with my Vox yesterday and all of a sudden the phone turned off, nothing on the screen, backlight off nothing. I tried to attach the power connector to it to see if the orange light even starts but it isnt... i tried hard reset but still the phone looks like its got no power. This morning my alarm set off on that vox the key for dismissing the wakeup thing worked but no backlight, nothingon the screen really nothing...
Does anybody know how to solve this? Im really looking forward for your answers
Thanks a lot jon

Pda-usr said:
Hello everybody,
i and my Vox are having a really weird problem. I was surfing the Internet with my Vox yesterday and all of a sudden the phone turned off, nothing on the screen, backlight off nothing. I tried to attach the power connector to it to see if the orange light even starts but it isnt... i tried hard reset but still the phone looks like its got no power. This morning my alarm set off on that vox the key for dismissing the wakeup thing worked but no backlight, nothingon the screen really nothing...
Does anybody know how to solve this? Im really looking forward for your answers
Thanks a lot jon
Click to expand...
Click to collapse
If you can, reflash it... If not, it might be a ram failure, and you will have to send the phone in.

well funny thing is that flashing works perfectly but from the outside the phone looks completely dead...
if ihave to send it in it might be cheaper to buy a new phone i suppose, because i cannot find the receipt for the damn brick anymore.
anybody got a last solution for it? (except the rubbish bin)

Phone screen won't come on!

I'm not sure if it's lag or what, but my phone screen won't come on. I think it's a ribbon that was disconnected or something though. For about a few hours if I were to press power to see the lock screen, all I saw where a bunch of rainbow static. Then I powered my phone on and off because nothing would work and now it's jut black! Does anyone know what's wrong? I can't boot into clockwork so I don't think it's a rom problem. Does anyone know the problem or have any idea to fix? Anyone I should ask specifically?

maybe water? even having my phone in the bathroom while i take a shower cause me that

It's not water, I never bring my phone close to place with water :/

can you boot into the screen where there are 3 droids with the skateboards? (i not sure whats the name)

I think I can boot and my phone still works, because it still rings when someone calls and it still vibrates when someone text it, but I just can't pick up or reply (because the screen won't come on). I should be able to boot into that thing, but I can't anything :/

well bro sorry i cant help you :/ maybe it could be the screen,the ribons or somethings loose. did it fell?

aznangel1408 said:
I think I can boot and my phone still works, because it still rings when someone calls and it still vibrates when someone text it, but I just can't pick up or reply (because the screen won't come on). I should be able to boot into that thing, but I can't anything :/
Click to expand...
Click to collapse
Seems like either broken ribbon that connects the screen to the "motherboard', or dead screen itself. That's exactly how 1 of my phones died (it was too complicated to disassemble and fix it myself)
But once I had similar problem with my TP2, the screen first become unresponsive to any touch, and then it went just black after restart (and every next restart). However all keys did work.
Hard reset somewhat helped, the screen actually came back, but it was still stuck on setting up Windows Mobile (if you know WinMo: the part where you calibrate touchscreen), apparently "touch" part of the screen didn't work.
I thought it is ribbon or screen assembly, but since all the keys worked I flashed another ROM and what do you know: all problems went away. It worked fine for as long as I had it. I never figured out what caused it/was the problem.

koete said:
well bro sorry i cant help you :/ maybe it could be the screen,the ribons or somethings loose. did it fell?
Click to expand...
Click to collapse
MT4GS said:
Seems like either broken ribbon that connects the screen to the "motherboard', or dead screen itself. That's exactly how 1 of my phones died (it was too complicated to disassemble and fix it myself)
Click to expand...
Click to collapse
Yea I think that's the problem here. I think I'm just going to borrow a friends mt4gs to use and navigate recovery and do a back up and just buy a new one and restore. Thanks for all the help guys

Xperia Z3 lcd flickering Issue

Hey guys,
So I had broken my screen and ordered new one from Etradesupply. And ever since I installed a new one there's flickering going on when ever phone gets hot or for some strange reason.
I contacted Etradesupply and they sent replacement part but it still happens.
I don't know if there is a problem with the phone or their part.
Does anyone have idea why this happens?

utsav911 said:
Hey guys,
So I had broken my screen and ordered new one from Etradesupply. And ever since I installed a new one there's flickering going on when ever phone gets hot or for some strange reason.
I contacted Etradesupply and they sent replacement part but it still happens.
I don't know if there is a problem with the phone or their part.
Does anyone have idea why this happens?
Click to expand...
Click to collapse
I also had this issue.. its a common problem for z3 users. It is related to gpu. when used in cold environment the phone responds exactly like this. just turn off and then turn it on.. phone will get back to normal... else fo proper solution you need to send phone to repair centre. In summer you wont face this problem but in winter it will disturb you tooo much.

TechnoFreak750 said:
I also had this issue.. its a common problem for z3 users. It is related to gpu. when used in cold environment the phone responds exactly like this. just turn off and then turn it on.. phone will get back to normal... else fo proper solution you need to send phone to repair centre. In summer you wont face this problem but in winter it will disturb you tooo much.
Click to expand...
Click to collapse
No. I think it is different. As I said it usually happens when the phone gets hot. And I never had this problem on the factory LCD.