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[Q] SD card unexpectedly unmounted

for the last couple days I have experienced three times of the same issue - my SD card was unexpectedly unmounted, while during normal operation
I have tried power-off and power-cycle, but my Inspire would not mount the SD card back. I was only able to recover by powering of the phone then physically re-inserting the card.
Has anybody experienced a similar issue? Thanks

I think this is a common issue with the stock sd card. It happens to me every now and then too. You could try an after market. I hear folks seem to have the best luck with san disk.

Mine did the same thing when I first got mine. I formatted it and moved to a custom rom. Haven't had it happen since. It's a 16 gb sandisc that I've had since my lg incite a couple of years ago.
Sent from my Inspire 4G using XDA Premium App

it kept happening to me too so i just took my phone back and got a new one. havnt had one problem with the new unit at all. the guy at the store said he had replaced a few others for the same issue.

All I did was format the SD card and deleted any app2sd apps from the phone and its fine now. 2.2+ has app2sd stock so I think it causes conflicts if you install one from the market.
Sent from my Desire HD using XDA App

I was having this same issue with my Inspire, with increasing frequency up until today. Today, my phone wouldn't even mount the sd card. I could mount it in clockwork recovery and see the contents on my computer (via usb), but once booted into my Android Revolution ROM, no luck.
To test whether the problem was the phone or the card, I stuck the card in my other phone - an Aria - and the card from that phone in my Inspire. Both worked! After that, I put the original card back in the Inspire, and lo and behold it worked!
Lesson learned: if your sd card stops working, put it in a different phone for a minute.

SD card unexpectedly removed error.....

Ugh. This is so annoying. I have a HTC inspire all stock. Just the newest update from ATT. Also when I got the phone about 2 months ago I purchased a 16 gig class 2 sandisk SD card and had this error over and over.
So I formatted it in the phone and had zero issues for a month. Now today we went on a trip and I used Google maps with navigation and once I got to my destination and closed out maps and did other things on my phone all of a sudden guess what came back. Yep. SD card removed. This time I received it like 5 times. The last time I pulled both the SD card and battery also I uninstalled the update to Google maps and so far its fine. I just wish they would freaking figure the problem out I'm getting annoyed with it.
Anyone else have this issue yet or a fix for it?
Sent from my Desire HD using XDA App

slocav said:
Ugh. This is so annoying. I have a HTC inspire all stock. Just the newest update from ATT. Also when I got the phone about 2 months ago I purchased a 16 gig class 2 sandisk SD card and had this error over and over.
So I formatted it in the phone and had zero issues for a month. Now today we went on a trip and I used Google maps with navigation and once I got to my destination and closed out maps and did other things on my phone all of a sudden guess what came back. Yep. SD card removed. This time I received it like 5 times. The last time I pulled both the SD card and battery also I uninstalled the update to Google maps and so far its fine. I just wish they would freaking figure the problem out I'm getting annoyed with it.
Anyone else have this issue yet or a fix for it?
Sent from my Desire HD using XDA App
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That is pretty dang weird! I have a bone stock Inspire as well. I am using just the 8 gig class 4 SanDisc card that came with the phone and have not had that problem. However, I have not used navigation and only use data when I'm on my home WiFi network. Sorry I can't help you further, maybe one of these other guys on here will be able to help you correct it. I would say try backing up the entire SD card to your computer, to back up all you files on it, and try reformatting from your computer. When I say from your computer, I mean take it out of the phone and get it connected directly to the pc. If that doesn't work, I'm all outta options. Good luck, and let us know if that works or not.
Sent from my Inspire 4G using XDA App

Yeah I will try it when I get home on Sunday. There are a ton of posts on googles site for developers with this same issue across a ton of other phone manuacturers. Some say its 2.2 issue but idk. I am so mad now its doing it again. Now I can lock the screen and 20 minutes later ill unlock and it does the SD card again. I managed to unmount it before it did it again. I wish Google would fix it.
Here is the post I'm talking about. I know it says LG ally but if you see all the posts there are a lot of them different brands.
http://code.google.com/p/android/issues/detail?id=9736
Sent from my Desire HD using XDA App

Whenever I used weatherbug on my Inspire, I was had the SD card unmount problem...

Hmmm. Let me uninstall weatherbug its worth a shot. I have had it on my phone for a few weeks now without issue tho.
Sent from my Desire HD using XDA App

I would wonder if it doesn't have something to do with the slower data transfer speeds of class 2 flash media, but that may only effect the ability to record 720p video.

Hopefully it's a REAL 16 GB card from SanDisk, and not a counterfeit card.

Well I deleted weatherbug app and no SD card inexpecdly removed error. Oh well that's weird. And its a real card I purchased it at Hastings in Richmond ky.
Also slower speed hasn't effected anything. I recorded some videos of my son playing and it was just fine.
Sent from my Desire HD using XDA App

I used to have that issue all the time when I was on froyo. I haven't had it at all on gingerbread. I think it is an app2sd problem in froyo.

i saw something similar but with the sim card...
i think it was the door

Well the error is back. God this is annoying as Hell. Once the screen locks when it goes to sleep I guess it comes right back. I tried installing contract killers this morning and it caused it to do this again. So I deleted it and it won't stop....
Sent from my Desire HD using XDA App

Do you happen to be running the "Flight Control" game app? It can do strange stuff if you leave it paused for too long (forcing a battery-pullout).

nope no flight control app... well i had to back up my photos and videos online so i can format the card in the phone.... its been about 30 minutes so far so good.. i hope this is fixed... sucks because i lost all my progress on all my angry birds games and everything lol...

Still getting this crap. It's fine unless I access the card on a game. If I play contract killer the first time I open it works fine. But if I close and go back it will say checking integrity of the file it will close out and POP up the sd card error. You guys think heat can do this? It was fine till I drove with maps on and the battery got warm. I just wonder if the card is going bad?
Sent from my Desire HD using XDA App

Ok so weird. Now that I am home with a WiFi connection I havent received this error at all in 24 hours..... ugh of course when I was in the woods (literally) this past weekend it flipped out and almost messed up my whole weekend. Now I'm home its fine. FML
Sent from my Desire HD using XDA App

Well that's pretty strange..
Do you get the same sort of problem if your phone is in Airplane mode?
Do you have a mini/micro SD card reader for your PC (or another phone) to try the card in? If so, maybe you could try playing a large video file directly from the card, just to see if stays stable.

Yeah I can try that today. That's a good idea never thought to do that. Now airplane mode I never tried but so far its been two days and no sd card error. I do know I am going to start backing that Dang thing up from now on tho after this.
Sent from my Desire HD using XDA App

How fantastic. This pos is doing the same crap again..... I sware I want to blow this mofo up when it does this crap!!! When is ginger bread coming they say it's fixed in gb
Sent from my Desire HD using XDA App

slocav said:
How fantastic. This pos is doing the same crap again..... I sware I want to blow this mofo up when it does this crap!!! When is ginger bread coming they say it's fixed in gb
Sent from my Desire HD using XDA App
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Click to collapse
You may want to root and install a gb ROM. There are a bunch out there.
Sent from my Inspire 4G using XDA App

when the error pops out press it on the notification bar and while its working to fix the problem unmount the card under settings at the same time format it and it should work ok after

Card errors.

I'm getting a lot of card unexpectedly removed errors. I was wondering if there is something known to cause this. I have reformatted the card a few times after experiencing this error using Windows 7. The card will work for a while, and then it happens again. I have a 16gb Sandisk card. It's only class 2. I wonder if it's the problem. I never had a single problem with it in my Tilt 2. I have about 9gb of music on it. I may scale that back to about 5gb. Also, when I place files on the card using the card reader rather than directly onto the phone in USB mode, I seem to get better results. Any suggestions would be appreciated.

I've got the same card with the exact same issue. It's enough to make me want to pull my hair out I do know that
Sent from my Desire HD using XDA App

I used to have that problem till i switched ROM s. Try Leedroid's, TB fusion, or Cm7 nightlies with Lord mod ue kernel. I had no issues with those.

SD card unmounting on its own

Anybody having issues with their SD card unmounting repeatedly?
I would be listening to music or using another app, then I get a notification saying the SD card unmounted unexpectedly. To fix this, I would have to reboot. Sometimes rebooting once doesnt actually solve the issue.
I do have to say that when I boot into recovery (CWM) the card is present and readable (I am able to reflash ROMs from it).
I found similar threads for other devices, but there seems to be no solution offered.
When this problem occured, I was runnning ARHD 3.6.2 (not sure if that has anything to do with it).
Any solutions to this?
Thanks!

Can u tell us which firmware version your on, stock? android revolution XE?

Same here :/
Sent from my HTC Sensation Z710e

ROM: Android Revolution HD 3.6.2
Kernel: 2.6.35.14-Sensation-faux123-v0.2.1+
Radio: 10.58.9035.00U_10.15.9035.02_2
Thanks!

Mine just did this to me tonight. Now when you insert it I see the "Preparing SD Card" then about 2 seconds later "Removed SD Card". I had been using a SanDisk 8 GB class 2 thats been through 2 BlackBerry phones before this one, so I popped the Kingston 8 GB class 4 the phone came with in there and voila, it sees the card. Im thinking my card may have randomly gone belly up on me, but I will know more after I get a reader for my PC.
Just wondering if anyone else has had issues with SD cards randomly doing this with this phone. It seems I've read a lot about SD card problems with these phones while searching, I don't want to have to worry about losing all my data as much as I am now. The card was rock solid for about 3 years in the other phones, and I've had my Sensation less than a month.
~T.J.

This normally happens to me right before I start an app that would read or write into the data in the card: when I start playing MP3s, start games or apps installed in the card, accept a bluetooth file transfer, send a file from the card thru bluetooth, etc
I happens at least once a day. Generally, a simple reboot works to get the card back, but if it doesnt, I would have to open the cover and manually take out then reinsert the card.
I'm pretty sure it's not a hardware issue, though this is the first card I've used on my Sensation (bought brand new for use specifically with the phone).
Does branding of the card have anything to do with it? I admit that I got a brand that was slightly on the cheaper side, but had a lifetime warranty. If it matters, the card is made in Taiwan.
I haven't changed cards, as I'm still hoping this might just be a software bug. The reason I say this is because the very first time this happened, I had installed Always Flash, which I found to be an app that I could do without. I forced stopped the app and uninstalled it, and that's when the bug hit for the first time.
Hope someone knows the answer to this...
Thanks!

That's what happened to me, I opened titanium to do a backup and got a card removed unexpectedly error. The phone has never recognized the card since.
Sent from my HTC Sensation XE with Beats Audio using XDA App

no solutions found, unfortunately....
i just bought a new card
thanks!

ryanisler said:
no solutions found, unfortunately....
i just bought a new card
thanks!
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I've been having the same problem with my sensation xe. Sometimes it'll be fine for a week or more, and then it may unmount the card randomly 2 or 3 days in a row. Normally I have to shutdown, pull the battery and physically remove and re-insert the card to get it to remount, as just rebooting has never worked for me.
Tonite, even this wouldn't work. I ended up having to boot into 4ext and mount the card in there before rebooting the phone.
I really do hope someone can work out the reason our phones are doing this.
For the record, I'm using ARHD 6.7.0 and a 32g class 10 Strontium card.

anybody found a solution for this?... I also have the same problem. Tried several sd card and stock/no stock roms. Same thing every time.
I think it is a hardware prob.

I had this happen to me before but found a solution for mine. I checked my SD card and it was not locked in it's caseing so it was unmounting randomly. I removed the SD card and replaced making certain it was locked into the caseing and it's never happened again. It's definitely worth a try to check your card and make absolutely sure it's locked into the caseing. Would not hurt to check. For me, this solved my problem. My card was in the caseing but not locked in, this was causing my issue. I wish you the best. I do hope you get this fixed. Hopefully it's only that the card is loose ! Like I said it's worth a try. Best wishes.

I'd try fully formatting the card using gparted. I always do this if I have any suspicion that something may be wrong with a card and its never let me down yet.
Google it, its free and there are videos on YouTube showing how to use it so all it'll cost you is a bit of time, gotta be worth a go......
Sent from my HTC Sensation XE with Beats Audio Z715e

[Q] Can a busy /sdcard cause slowdowns?

I tried the ParanoidAndroid and CM10 ROMs, and I couldn't take how laggy they performed for me. Just answering the phone, or trying to do navigation in Maps was incredibly troublesome. Browser would FC... unlocking would time out because it wouldn't register my fingers... it was a bad experience. But, I see that most people aren't complaining about those same issues.
I decided to revert to stock/rooted AT&T Gingrbread, and I noticed that even that was pretty laggy for me. That shouldn't be.
One thing I noticed was that I had folders and files on /sdcard that hadn't been updated since 2011 right after I bought the phone, So I formatted the /sdcard (not the external), and then factory reset. Now my performance is much better.
Does having a lot of files/pictures/old trash slow down a ROM badly in general?

I had an experience where bad SD card caused constant sd card scanning, particularly when coming out of sleep (such as to answer phone).
I could see it in the notification bar occasionally. I could quantify it with the free "sd card monitor" app from Google play. It was re-scanning well over 100 times a day.
When it scanned, everything got slow and sometimes F.C. if I was in the middle of something.
In my case, formatting didn't help, but new SD card did.

SD card scanning can cause huge lags.
Mine just runs like a new phone.
Almost no lags on anything except lack of memory.
I love my phone and going to keep it forever!
Sent from my SGH-I997 using xda app-developers app

zpzp96 said:
Almost no lags on anything except lack of memory.
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Well... that's kind of the problem, isn't it?
If they published minimum requirements for Jelly Bean, I bet the RAM spec would be more than this phone has.
Unfortunately, that's the one spec that is obsoleting this phone. The screen. graphics and processor are holding up just fine.

And just to be clear here, I'm talking about the /sdcard partition on the internal storage, not an external sd card.