Thanks for looking, I have searched but can't find the answer.
I've just received an MK808b in the post today and it runs ok, but when I run XBMC, or Chrome, or sometimes just randomly it switches off. No warning, just blue screen and I have to unplug, then replug and it starts again.
Any ideas what is happening here and how to fix it?
I've been reading about installing Finless, which I may attempt later, but awaiting a reply from the seller before I do anything, not sure it's a faulty unit or there is something software related causing the problem.
I'd be most grateful for any help here, thanks.
jmzoakley said:
Thanks for looking, I have searched but can't find the answer.
I've just received an MK808b in the post today and it runs ok, but when I run XBMC, or Chrome, or sometimes just randomly it switches off. No warning, just blue screen and I have to unplug, then replug and it starts again.
Any ideas what is happening here and how to fix it?
I've been reading about installing Finless, which I may attempt later, but awaiting a reply from the seller before I do anything, not sure it's a faulty unit or there is something software related causing the problem.
I'd be most grateful for any help here, thanks.
Click to expand...
Click to collapse
It possible a bad flash/bad app, try a factory reset, if issue not resolved, just reflash the rom.
This sounds like your power supply is too weak, this is a very common problem with these sticks. If possible try another power supply, maybe from a tablet. It has to deliver at least 2 amperes.
PS: I would not suggest flashing a finless rom because they are very outdated. It is also very important that you DO NOT FLASH ANYTHING until you are 100% sure which hardware version you have (there are about 10-15 different ones that are all sold as MK808B).
Related
I am sorry to say, but I am not happy with my new phone !
Some serious problems with it.
1. sometimes when I push the powerbutton nothing hapens, and actualy I can see the phone is fuctioning (round button is flashing for new mail). After a few seconds I get the "famous" grey screen. Reboot is the only option.
2. sometimes I wake up and the phone has boot (I guess) somewhere in the night, because I have to give my accescode for the sim.
3. the "broken glass" isue is a problem and happens twice now
Think these are not small problems for a "Pro" phone.
Right now I don't have a riable and solid phone, and I think a pro phone should be that way .
Hope this things are fixed soon.
I wonder if this is a difference in roms or if you should return your touch pro. I've beating the hell out of my phone software wise to see how it will run and i haven't had a single problem yet. I haven't been charging it via the wall charger so maybe that has something to do with it but i doubt it.
Send it back! At least try that once, if you get the same problem again then either you are very unlucky, or there is a problem with all batches. I haven't had either of those problems once and got the phone the day it came out.
I only see one or two people complaining about these issues.
Steve
steveoidm said:
Send it back! At least try that once, if you get the same problem again then either you are very unlucky, or there is a problem with all batches. I haven't had either of those problems once and got the phone the day it came out.
I only see one or two people complaining about these issues.
Steve
Click to expand...
Click to collapse
I am thinking about it, to send it back. But I still hope it is a rom problem, like Bxsteeze said. Flashing another rom could help. Soon that is possible I will try.
If it doesn't help I send it back.(forgive my my English )
TBH i would do it the other way around. If flashing the ROM doesn't help because of a hardware fault and you have flashed another ROM, chances are you may not get the replacement you want.
especially as Olinex haven't finished the SPL Downgrader yet.....
DONT send it back ffs!!
We have just got HardSPL for the thing so you can actually try any ROM you wish, surely its worth the little hassle trying that first?!
I had the same "broken glass" like screen issue only once also when sitting overnight, but it wasn´t charging at all.
I have several other issue´s but it think it´s ROM related, and if it´s not i´m gonna send mine back aswel.
I've had issues 2 and 3 happen to me.
A couple of times now when trying to wake the device from an overnight charge in the morning I get no response, device locked. Soft reset and all is well.
Regarding the broken glass thing, that's definitely a software issue. Its TF3D having a spaz. If you disable it and then re-enable it, all is well.
Check out the issues thread here:
http://forum.xda-developers.com/showthread.php?t=418150
and here:
http://forum.xda-developers.com/showthread.php?t=420700
Hey if anyone doesn't want their Raphael. You could give it to me.
hardSPL ? Let the party begin
Problems
Hi,
Four problems i found so far.
First the broken glass effect. When the phone is ringing and i turn it on his screen the ringing stops and the 3dflo breaks. Or the screen turns grey.
Problem 2 After it restarts i get an device.exe issue.
Problem 3 volume of normal calling is very low. In a noisy room it is hard to understand the caller.
Problem 4 During a call several hick-ups. Also when the signal strength is max.
For know. It is a nice smartphone but some things need improvement.
Can I remind people there is an issues thread here:
http://forum.xda-developers.com/showthread.php?t=418150
I know a couple of pages got a bit OT about touch sensitive buttons etc but its back on track now. Log your issues in there guys so we can try and help each other better.
Syphon Filter said:
Can I remind people there is an issues thread here:
http://forum.xda-developers.com/showthread.php?t=418150
I know a couple of pages got a bit OT about touch sensitive buttons etc but its back on track now. Log your issues in there guys so we can try and help each other better.
Click to expand...
Click to collapse
And dont forget to add the info to the wiki.
My Touch Pro has had the 'wake up' problem (either refuses to without soft reset or shows me frizzed up screen), has frozen on me during basic setup (following a hard reset) and has given me several spontaneous resets.
It also keeps forgetting my wi-fi network exists.
I feel safe in saying that I have a faulty one, so I'm asking for a replacement.
Hi,
Yesterday (08/02/2013) I updated my tf700t, everything seemed to be fine after it rebooted, I was playing a game, the battery was low, and it turned off abruptly. I assumed it automatically shutdown because of the battery, so I put it in the dock and plugged in the charger. Several hours later I tried turning it on and nothing. I held down the power button for 8 seconds felt the double vibration, but no display. I tried various combinations of docked/undocked, power cord plugged in, holding the power button for 30-60 sec. etc. but nothing.
Out of curiosity I connected the HDMI to my computer monitor and sure enough, it was there, I could unlock it and everything seems to be functioning fine, just no display. The digitizer seems to work fine, although guessing where things are at is pretty tough.
I think I tried the cold boot, volume up/down (I tried both) plus power, and it didn't make a difference.
In order to do the update I had to flush the DMC Client and CMClient data and cache, I had been getting errors from DMC Client crashing.
Also I'm not certain this is update related, as the tablet had been acting wierd, which is why I did the update. I would press the power button to turn the screen on and nothing would happen, so I'd hold it down longer and the tablet would reboot and finally the screen would come on, or it would come on a few seconds after I pressed the button. I was getting a lot of reboots etc... I thought the update might resolve this.
I'm not sure if the problem is hardware, firmware, or software related.
I'm wondering if when I flushed the DMC and CM Client cache, maybe I deleted the drivers for the display or something?
My options seem to be:
1.) Factory reset by feeling around the digitizer while connected to HDMI
2.) Factory reset via the pinhole
3.) Install new (old) firmware via usb/computer. (the device is recognized by Windows 7 so I think this is doable.)
4.) Send it off to Asus. (would this be free?)
So my questions are:
1.) is there something else I should try?
2.) what order should I do the above in?
*Note: I'd like to save my data somehow.
*Edit: I forgot to mention I was on 4.2.1, no root or anything. Also I bought this in July of '12 so I'm pretty sure it is out of warranty. Any idea how much it might cost to send it off? Perhaps I could replace the LCD myself? I replaced the digitizer/screen on an ipod touch, although I'm sure this LCD is much more expensive and much harder to replace. This is turning into a nightmare. So much for trying to keep my data, now I hoping to keep this from becomming a paperweight.
Thanks.
A bloke at work had this issue. He let it rundown and left it for 3 days. It worked fine again after that.
zpyatt said:
I'm not sure if the problem is hardware, firmware, or software related.
Click to expand...
Click to collapse
If you don't even see the boot logo, it cannot be software related.
Thanks for the replies.
I'll try letting it run down. Would putting it in the freeser be helpful/safe?
I guess on the software/firmware it depends on the definition. To me drivers are software, firmware is anything written in VHDL. I suppose what I'm really wondering is if it is software/firmware vs. hardware, i.e. is the LCD or some other component dead or is the display just not getting written to, initialized or whatever.
zpyatt said:
I'll try letting it run down. Would putting it in the freeser be helpful/safe?
I guess on the software/firmware it depends on the definition. To me drivers are software, firmware is anything written in VHDL. I suppose what I'm really wondering is if it is software/firmware vs. hardware, i.e. is the LCD or some other component dead or is the display just not getting written to, initialized or whatever.
Click to expand...
Click to collapse
I wouldn't put the tablet into the freezer.
Does the backlight come on? If not, it's definitely a hardware problem. If the bootloader boots fine but doesn't show anything, that also looks like a hardware problem.
_that said:
I wouldn't put the tablet into the freezer.
Does the backlight come on? If not, it's definitely a hardware problem. If the bootloader boots fine but doesn't show anything, that also looks like a hardware problem.
Click to expand...
Click to collapse
I'm not sure about the backlight, I think maybe it does, it is kind of hard to tell. I'll try checking in a dark room tonight. Since the screen is just black I suppose I'm looking for a brighter shade of blackness?
The bootloader is definitely booting fine. That is what I meant in my original post, the HDMI out works, I can see everything there, I can even swipe and tap the digitizer and do stuff, it is just difficult to guess where things are at. Do I need to go back and clarify this in my original post?
Do you think this definitely means it is a hardware problem? I figure I'll try letting the battery run all the way down and let it sit a few days and recharge it as sbdags suggested, in the meantime perhaps I should contact Asus, but I'm not lookinf forward to that.
zpyatt said:
I'm not sure about the backlight, I think maybe it does, it is kind of hard to tell. I'll try checking in a dark room tonight. Since the screen is just black I suppose I'm looking for a brighter shade of blackness?
The bootloader is definitely booting fine. That is what I meant in my original post, the HDMI out works, I can see everything there, I can even swipe and tap the digitizer and do stuff, it is just difficult to guess where things are at. Do I need to go back and clarify this in my original post?
Do you think this definitely means it is a hardware problem? I figure I'll try letting the battery run all the way down and let it sit a few days and recharge it as sbdags suggested, in the meantime perhaps I should contact Asus, but I'm not lookinf forward to that.
Click to expand...
Click to collapse
I don't know what is the cause but like I said I saw this with my very own eyes - the same as yours. Double buzz on boot not screen but HDMI worked. Somehow completely draining the battery fixed it ...... So hardware / software? Who knows? If it was hardware why did draining the battery fix it? The device has been absolutely perfect for 3 months since and has never done it again.....
sbdags said:
I don't know what is the cause but like I said I saw this with my very own eyes - the same as yours. Double buzz on boot not screen but HDMI worked. Somehow completely draining the battery fixed it ...... So hardware / software? Who knows? If it was hardware why did draining the battery fix it? The device has been absolutely perfect for 3 months since and has never done it again.....
Click to expand...
Click to collapse
Thanks sbdags, I will definitely try this. I'm not sure if I should hurry and contact Asus though, I bought this thing around July 22 2012 I think so it is barely more than a year old, not sure if they would cut me some slack on the warranty or not.
Do you think I need to let it sit three days or just make sure the battery is good and run down before charging again? Also I've seen some suggestions for charging from a computer vs. wall as it charges slower, do you think that would be better?
I'm getting into panic mode and want to make sure I don't do anything rash that limits my options.
zpyatt said:
Thanks sbdags, I will definitely try this. I'm not sure if I should hurry and contact Asus though, I bought this thing around July 22 2012 I think so it is barely more than a year old, not sure if they would cut me some slack on the warranty or not.
Do you think I need to let it sit three days or just make sure the battery is good and run down before charging again? Also I've seen some suggestions for charging from a computer vs. wall as it charges slower, do you think that would be better?
I'm getting into panic mode and want to make sure I don't do anything rash that limits my options.
Click to expand...
Click to collapse
All he did was leave it for 3 days. Our assumption was that the battery had completely drained in that time....... A charge later (he was actually just about to box it to send to Asus) and it surprisingly started as if nothing had happened.
Having the same problem
I am having almost the same problem, except that the tablet screen works when the wall charger is plugged in. THe HDMI display and the digitizer work fine. It is just the tablet's screen dispaly when the charger is unplugged.
sbdags said:
All he did was leave it for 3 days. Our assumption was that the battery had completely drained in that time....... A charge later (he was actually just about to box it to send to Asus) and it surprisingly started as if nothing had happened.
Click to expand...
Click to collapse
So I didn't have any luck letting it run all the way down.
I contacted customer support, the warranty is only 1 year, but fortunately for this there is an extra 3 months, so I just managed to squeak by, although I'm keeping my fingers crossed.
same problem as you both
i have d same problem well until last week the screen displays when conne ted to wall charger now its all blank but iy works via hdmi, digitizer works fine but all blank, this tf201, does anyone know if i change d whole display it will work?
i already bought the tf701
any suggestions is welcomed and did you get youra to work?
zpyatt said:
I guess on the software/firmware it depends on the definition. To me drivers are software, firmware is anything written in VHDL.
Click to expand...
Click to collapse
I have not seen people mentioning VHDL and verilog for a while, hahaha... It sounds like you are a low level or physical layer programmer. Any way, a firmware is in general a low level program that communicating with the hardware and the software or high level program ( level 7).. If you will, a firmware is a management levels (level 2 and 3). A VHDL is a level 1 which generates a 0's and 1's or mapping the transistors in the FPGA chip for example.... Oh well, it is just my definition...
zpyatt said:
I suppose what I'm really wondering is if it is software/firmware vs. hardware, i.e. is the LCD or some other component dead or is the display just not getting written to, initialized or whatever.
Click to expand...
Click to collapse
If you can get the output from the HDMI port, it is more likely you have a hardware problems. I think that the problems are your display related hardware. If you really want to troubleshoot your issues, you can look on the mother board to locate all the electrolytic caps and check to see any abnormal signs of those capacitors. Those caps are the one that will blew up first before any others parts go....Good luck...:fingers-crossed:
Hello guys,**
Well few days ago I accidentally dropped my Nexus 5 in a glass of water for just 1 sec. So I immediately switched it off and wait a bit to let dry then restarted it, and all seemed to work fine. But just some days later and up to now the phone boots up all fine as usual to the lock screen, and from there I can pull down the notification bar (and navigate through it, activate/deactivate wifi, etc..) but when I unlock it to get to the home screen it becomes all back and nothing appears on the screen even though the phone is still on.*
It's really confusing and weird. When I call the phone it rings (so no signal or sound problem) but I can't still access the screen to take the call as it's all back and unresponsive.
Following some suggestions I disassembled the phone and cleaned it dry but same results again! So now I think the problem is somehow related to the motherboard, coz as you might notice on some of the pictures attached, it seems that some plastic parts have melt down to cover other smaller parts. Anyway guys,*I'm just wondering if some of you guys had experienced something like that and if you were luckier*to find a solution or any directives that could help. Or you even think that's a motherboard problem like, do you know any ways to fix that o buy a new one somewhere??
PLEASE!!
Sorry apparently, I can't publish links until I get like 10 posts or plus..
But anyway guys, I'd really appreciate your help.
Why did you power it on and short circuit it on purpose for??
Bump
@SekouCheikh
Maybe it's a coincidence that you dropped it in water and this happened a few days later. Once in a blue moon mine does something similar to this (although not usually as start up only after lots of use), but I think it's related to an app or xposed. I only notice it after installing a bunch of crap again. Maybe try a factory reset (do it though the computer) just to see if it is somehow not hardware related? That's what I would try first.
Help please
Ttt
Wait... Are you seriously posting from 2 different accounts??
<...>
First, simply try to factory reset or flash a new rom. There is not enough evidence to be sure it's a hardware problem, it could just as well be a coincidence that it started happening just now.
-SmOgER said:
Wait... Are you seriously posting from 2 different accounts??
<...>
First, simply try to factory reset or flash a new rom. There is not enough evidence to be sure it's a hardware problem, it could just as well be a coincidence that it started happening just now.
Click to expand...
Click to collapse
No, I just like to help
Help Op solve the problem please
Ttt
Hi, the other day while I was using my OPO as a GPS unit in the car, it seemed to freeze and restart, but it didn't boot. I thought it was just an empty battery problem. But since then, I haven't been able to use my phone again.
Apparently, it boots correctly, but I can't see anything on the screen. I say it boots correctly because I can hear the notifications, the led blinks, and I can even feel the feedback if I touch the capacitive buttons. Also I was able to backup my data through adb. But the screen is completely black. The only moment where it shows something is at the moment of booting, where the cyanogen logo should be, but it's completely scrambled (see attachment)...
I tried going back to stock (with the help of Bacon Root Toolkit) with no luck.
Has anyone faced the same problem? Do you think it might be a software problem? Otherwise, do you think it's a screen problem that I can fix changing the screen? Or it might be a problem with the GPU and changing the screen will not accomplish anything?
Thanks in advance for your help.
Cheers,
Capelare.
PS: Well, apparently I can't post the image since I just registered. It's here anyway: i_imgur_com/V9oH2el.jpg Just change the _ for dots, please. I'm sorry for the inconvenience.
bump
Nobody knows what might be the problem?
Reflashing didn't help anything? Even with wiping all data?
Then i think its an hardware- based problem.
Capelare said:
Hi, the other day while I was using my OPO as a GPS unit in the car, it seemed to freeze and restart, but it didn't boot. I thought it was just an empty battery problem. But since then, I haven't been able to use my phone again.
Apparently, it boots correctly, but I can't see anything on the screen. I say it boots correctly because I can hear the notifications, the led blinks, and I can even feel the feedback if I touch the capacitive buttons. Also I was able to backup my data through adb. But the screen is completely black. The only moment where it shows something is at the moment of booting, where the cyanogen logo should be, but it's completely scrambled (see attachment)...
I tried going back to stock (with the help of Bacon Root Toolkit) with no luck.
Has anyone faced the same problem? Do you think it might be a software problem? Otherwise, do you think it's a screen problem that I can fix changing the screen? Or it might be a problem with the GPU and changing the screen will not accomplish anything?
Thanks in advance for your help.
Cheers,
Capelare.
PS: Well, apparently I can't post the image since I just registered. It's here anyway: i_imgur_com/V9oH2el.jpg Just change the _ for dots, please. I'm sorry for the inconvenience.
Click to expand...
Click to collapse
Try booting into fastboot (volume up and power when off) you will hear a vibration and fastboot mode should come up, if this doesn't happen, it's pretty much a dead giveaway that the hardware is broken
matze222 said:
Reflashing didn't help anything? Even with wiping all data?
Then i think its an hardware- based problem.
Click to expand...
Click to collapse
noahvt said:
Try booting into fastboot (volume up and power when off) you will hear a vibration and fastboot mode should come up, if this doesn't happen, it's pretty much a dead giveaway that the hardware is broken
Click to expand...
Click to collapse
Thank you! Nothing happens with any of those methods. So yeah, I also suspected that it's a hardware problem... But do you know if I can figure out if it's the screen or the graphics system (I don't know how to call it other than graphic card... and it's not a card lol) before purchasing a screen replacement... Any ideas?
Thanks again,
Capelare.
Capelare said:
Thank you! Nothing happens with any of those methods. So yeah, I also suspected that it's a hardware problem... But do you know if I can figure out if it's the screen or the graphics system (I don't know how to call it other than graphic card... and it's not a card lol) before purchasing a screen replacement... Any ideas?
Thanks again,
Capelare.
Click to expand...
Click to collapse
I find it hard to believe that the gpu is broken, the cpu, gpu and more are all on a single chip and I don't think one part can just fail without the others failing too... but you never know, if you can still send it to oneplus for warranty do it, it saves you a lot of time. If you can't there are a few things you can do:
1. If you had usb debugging enabled and authorized to your pc, you can try to use some screen mirroring software on your pc that works via usb.
2. Contact a repair shop that will allow you to test a new or used display with your current phone.
3. Try connecting your one to a tv by using a micro usb to hdmi cable (DON'T KNOW IF THE ONE SUPPORTS THIS!!).
Good luck!
noahvt said:
I find it hard to believe that the gpu is broken, the cpu, gpu and more are all on a single chip and I don't think one part can just fail without the others failing too... but you never know, if you can still send it to oneplus for warranty do it, it saves you a lot of time. If you can't there are a few things you can do:
1. If you had usb debugging enabled and authorized to your pc, you can try to use some screen mirroring software on your pc that works via usb.
2. Contact a repair shop that will allow you to test a new or used display with your current phone.
3. Try connecting your one to a tv by using a micro usb to hdmi cable (DON'T KNOW IF THE ONE SUPPORTS THIS!!).
Good luck!
Click to expand...
Click to collapse
Thanks, I can't send it to oneplus because this screen is already a replacement and I changed it myself. I will try asking for another display
I didn't know the gpu and the cpu were on the same chip, but I also think it's not likely that one would fail and not the other.
Cheers,
Capelare.
Hi everyone, first I sincerely apologise if I'm posting this in the wrong forum (and if so please direct me to the proper place). If it's okay, here goes:
I would greatly appreciate your help. I have this Chinese made car Headunit in my car (running android jellybean 4.2.2). I've had it for about a year and a half or so. A couple of months ago, the screen began to be unresponsive - after boot up. It is quite frustrating, as the unit itself is actually working.. but the screen just does not respond. This happens randomly! Sometimes you have to restart it several times before it works normally. And it does work normally sometimes, though there is no apparent order. It seems to just be quite random. I tried using one of the screen calibration apps from the appstore. It seemed to make a very minor difference (or perhaps not!). The problem is still very much there.
Sometimes, while it's unresponsive, if you touch an app icon and leave the unit alone, after some time the app would eventually open - though the time it takes to do that greatly varies. At this point, the screen may then work - sometimes normally, but in many cases, abnormally or unpredictably. In some cases it will not work at all.
Please does anyone know what is responsible for this and if/how it can possibly be fixed?
One more thing I should add is that I suspect this started to happen as a result of an unsuccessful attempt to root the device. Could that be the reason... and/or is there any hope... i.e. can it possibly be fixed?
I have also done a factory restore.. but it still does this! Please help
Listner said:
Hi everyone, first I sincerely apologise if I'm posting this in the wrong forum (and if so please direct me to the proper place). If it's okay, here goes:
I would greatly appreciate your help. I have this Chinese made car Headunit in my car (running android jellybean 4.2.2). I've had it for about a year and a half or so. A couple of months ago, the screen began to be unresponsive - after boot up. It is quite frustrating, as the unit itself is actually working.. but the screen just does not respond. This happens randomly! Sometimes you have to restart it several times before it works normally. And it does work normally sometimes, though there is no apparent order. It seems to just be quite random. I tried using one of the screen calibration apps from the appstore. It seemed to make a very minor difference (or perhaps not!). The problem is still very much there.
Sometimes, while it's unresponsive, if you touch an app icon and leave the unit alone, after some time the app would eventually open - though the time it takes to do that greatly varies. At this point, the screen may then work - sometimes normally, but in many cases, abnormally or unpredictably. In some cases it will not work at all.
Please does anyone know what is responsible for this and if/how it can possibly be fixed?
One more thing I should add is that I suspect this started to happen as a result of an unsuccessful attempt to root the device. Could that be the reason... and/or is there any hope... i.e. can it possibly be fixed?
I have also done a factory restore.. but it still does this! Please help
Click to expand...
Click to collapse
Greetings and welcome to assist. Unfortunately any modifications made to the system by the attempted root won't be undone by a factory reset. If you try asking here and give the full details of your model
https://forum.xda-developers.com/android-auto/android-head-units
hopefully the experts there can help you
Good Luck
Sawdoctor
Thank you very much Sawdoctor! I have now posted this at the link you kindly provided. Have a great night