Questions tagged [troubleshooting]

Common troubleshooting. You can use this tag when you cannot find a better fitting one. Please read the tag wiki for some first-aid.

Our site offers plenty of special tags. But not everything might be covered. Especially when it comes to more generic questions, you might be unsure what tag to use. Or your question might even target generic troubleshooting. In these cases, the 'troubleshooting' tag is the one to be used.

But it might very well be your "generic" question already has been answered. Here are a few questions you probably want to look at before asking:

Checking the most frequented questions of this tag might also prove helpful.

143 questions
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Unable to connect Galaxy S3 to PC via USB

I've had my Galaxy S3 for a few months now, and have always been able to connect to my PC via USB. A few days ago, it suddenly stopped working. I've found many other Android.SE threads, but none have been able to answer my question. Symptoms: when I…
JoeFish
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App isn't working correctly. How can I fix it?

I have an application that isn't working correctly. Either it's not launching, or not responding to commands, or some of the functionality isn't doing what I expect. What are some simple steps I can do to try to fix the issue on my own? (This…
ale
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How do I make Android consider my WiFi Access Point as valid (blue?)

We have a very large wifi network at Stack Exchange, and the primary guest network is tightly locked down. Our firewall rules permit essentially just http/https and vpn connections. When our Android phones connect to the wifi, they show good…
Peter Grace
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WiFi Error: "Failed to connect to network"

Intermittently, when I try to connect to a WiFi network, I get the following error message as a toast message: Failed to connect to network The message pops up immediately upon attempting to connect, so clearly it isn't trying and failing. I…
8
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1 answer

Recover Android system with TWRP Recovery

Note that I am running Mac OS X. I tried installing an unofficial version of Cyanogenmod I found on XDA Developers that supports kltemini (SM-G800F). However, I messed up somewhere in the installation, and got a message on TWRP recovery…
John K
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How to get why an app crashed?

I regularly obtain the infamously unhelpful "unfortunately crappyApp has stopped working". How to figure out what actually went wrong? I guess there's a stack trace somewhere, though ideally I'd like to modify the unhelpful message itself if that is…
Tobias Kienzler
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What should I do before I try advanced troubleshooting

Are there any generic troubleshooting steps and tips to be followed before I search for problem specific troubleshooting options? Then what are they? I only have a general knowledge on Android and not familiar with flashing, shell commands, etc.
Sid
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What to do when "Stop Supervision" does not stop supervision in Google Family Link

I was using the "Google Family Link" parental-control software to supervise a device. I wanted to stop supervising the device. So, in the Family Link parent app, I tapped "stop supervision". Google sent an email saying that I'd stopped…
4
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Music playback stops randomly

I have bought the Xperia ZQ (Xperia ZL's alias in Brazil) C6503. I am experiencing a very annoying problem: from time to time the audio playback in any audio app just stops. If I hit play again it will resume normally but I still need to tap the…
Guarita
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How to troubleshoot a lockup/freeze

I have a GNex running on CN(A) 3.8. It has started to lockup/freeze when the screen is off. So far it occurs mostly overnight while it's charging. I have to pull the battery to resolve. I believe it started a couple of ROM updates ago. I have not…
4
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1 answer

Magisk manager doesn't show any modules

Android 11, Pixel 4a I did something obviously stupid (and worse, don't remember what) and ended up in a situation that Magisk manager wouldn't respond, in the sense it wouldn't show any modules. I tried changing update channels to download another…
beeshyams
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Can't Donwload/Install/Update any app - Waiting for download

I've got a problem while trying to install/upgrade any app on my android phone, after tapping on install/upgrade it just get stuck with the message waiting for download. Nothing works for me, I already tried these solutions and their combinations:…
3
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How to change the permission and ownership for internal sdcard

I have a problem with my internal SD card on my android 4.2.2. It shows there are no files on the internal SD card but there is a shortcut called "legacy" and I can't write anything on the internal SD card or download on it but I can install apps on…
Ali Habbash
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On Android, what is a "blue screen", and what should you do about it?

Some Android users complain about seeing a "blue screen", also known as a "blue screen of death" or "BSOD". They add that their device has become unresponsive. (Here is one example, including a photograph of the affected device. Here is another…
3
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1 answer

Rooted Galaxy Nexus GSM silently fails to reflash/erase - Unable to wipe and its rebooting continiously

I have been struggling for a week. Searching all though the internet. My Galaxy Nexus has suddenly stopped working. It is continuously rebooting. Its rooted but has stock rom 4.3. My problem is, I thought of wipe everything and do a fresh flash and…
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