Question about SanDisk 4GB microSD High Capacity Memory Card
Have a 4 GB SanDisk microSDHC card in Garmin GPS. Shows only 30.4 mb as the capacity and unable to update maps.
That is a common error HSBerger, but hardly anyone we know besides ourselves can solve this.
Great thread and website, very impressed by the great information on here. I wont go on posting links to our many many stories about this topic unless you all request me to, as many sites see this as spam.
We are developing tools to help those people that are having major issues with loosing data on microSD cards. Many of the cards produced these days are becoming damaged, bent etc. There is no rhyme or reason for these issues, they just happen. microSD's showing a size of 31MB is becoming common, it's a bad situation, it means the card is badly damaged. You will need assistance from an educated professional. :) Yay, right? Well there are some that DO know what's up here. This I promise. :victory:
We are consulting directly with NASA and act as the primary lab for such cases daily, we are in business for over 15 years. There is a sense of desperation these days in dealing with damaged and lost data on microSD's. We are at about a 45% success rate no matter what has happened to a microSD. Many of them are reported as the wrong size, many are not recognized and some have obvious issues such as breaks, cracks etc.
No matter what others say anywhere there is hope for you all that have major issues. microSD cards are considered monolith devices (monolithic). USB sticks and regular SD cards these days can be made with NAND wafers or a complete package, what we call in the industry a monolith storage device. We can get inside these devices by taking off layers with special machinery and we also can use many other options to get around the damage.
I am also looking to collaborate with others on this topic that are engineering minds with experience on this topic. It's a big problem these days as we dig into iPhones, SSD's etc. We are dealing with all storage devices, mostly new technology and we have a global network with some amazing gear-heads to solve all these problems... but I am trying as fast as possible to increase the success rates and expand knowledge on such data recovery cases so please let me know if you are interested in staying in touch ongoing.
I will only say below in my signature who we are and hope we can share and help this thread and community with future success stories, if anyone has questions and MUST have a solution feel free to reach out to me/us.
Denver Colorado HQ ' Globally
Posted on Jul 03, 2015
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Posted on Jan 02, 2017
try formating in the following steps
1. right click on my computer then manage
2. click on disk management
3. right click on the flash drive then format
if the problem still occurs then there is some problem in the memory ic.
Posted on Oct 29, 2009
try formatting ur card with the following steps:
right click om my comp then click on manage then disk menagement and right click on ur card then format it will forcely format ur card. gud luck....
Posted on Oct 19, 2009
I can understand your issue..
When you say if you connect the card into phone and connects to the computer and gets an error message as I/O drive error then i'd say the file format in the card is not recognized by the computer.
I'd suggest you to format the card through the computer. Here is the steps :
1) Open My Computer
2) Right-clicking on Removable Disk
3) Select Format, select the checkbox for "Quick Format".
Hereby check this screen shot
Posted on Jan 22, 2010
SOURCE: sandisk 2gb sd card unable
Please follow these steps to recover the data from your memory card.
1. Go to http://www.recovermemorycards.com/
2. Download the software from the website.
3. Install it on your computer and recover the data from memory card
Posted on Jul 31, 2010
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