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After writing any image with an OS for your raspberry pi, you may have notice that no matter the size of your SD card, windows can only recognize one partition with about 60 mb. If you try to format it in the Computer menu (righ-click on it and press format), it will only free the space in that partition, to have access to the full space you have two options (only one is needed):
- SIMPLE PROCESS: step 1 - SD Formatter
- ADVANCED PROCESS: step 2 - DiskPart

Step 1: SIMPLE PROCESS: SD Formatter

1 - Download and install this software (from the SD card Organization) :
https://www.sdcard.org/downloads/formatter_4/eula_windows/SDFormatterv4.zip

2 - Open the program, and select the right drive (in my case is G:), after that just click "FORMAT"

3 - You have just formatted your SD card! CONGRATULATIONS
<p>Thanks. I saved may 64 GB SD Card. </p>
<p>Thanks a bunch to the person who made this! just saved an 8gb card from the trash :D</p>
<p>Glad I could help (:</p>
<p>thanks for creating this! i have a stack of cheap sd cards that we're going to try to breathe a bit more life into them by trying this. otherwise, we might go toward making some cool accents for crafting projects.</p>
<p>Thank you so much! It fixed my new 32 gb SD card :)</p>
<p>Thanks a bilion!</p><p>Saved my 64 GB Card :)</p>
<p>Thank you!</p>
<p>Thanks Man!</p>
<p>Thanks Man!</p>
<p>thank you, it's was very usefull !</p>
<p>Thanks i've been scouring for something like this, I tried a bunch of different software but this was almost too easy!</p>
<p>Yep, that did the trick. Thanks!</p>
<p>thanks a lot bro...i just recovered my 64gb memory card... OMG thanks a lot.. god bless you</p>
<p>hasnt worked for me either :( tried both methods....i opened a fresh microsdhc card, 16gb......windows wouldnt let me use it, insisted i format, using it in a cheap mp3 player connected with usb cable.....tried many times to get the 16gb back but no use, still only showing 3.69gb........i hate windows </p>
<p>that happened to me. my sd card was 4gb now it has changed to 1.63gb. Its annoying because that cost me &pound;20.</p>
<p>did you try Windows 7 dos command DISKPART ?</p>
<p>yeh I did everything you said in this ible</p>
<p>more than likely thats why. It's a cheap MP3 player. Get a normal android device and it should run it fine. </p>
<p>its not the mp3. I did it for my raspberry pi and the gb got smaller when I formatted it.</p>
<p>Thanks- this was a big help!</p>
<p>thanks a lot i save my 64 gb sd card..</p>
<p>Thank a bunch Saved my 16GB card</p>
<p>Awesome, had 128GHz Samsung Micro SD, could only see 32 GHz: I used the software (BTW, all its certificates are current and passng).</p><p>Thanks for the great Lil' Utility</p>
<p>I had a microSD card previous formatted as an N2A card- the original 16 gigs was down to 2 gigs of usable storage. Ran it through the app listed in the first part and restored it to its full size. Worked like a charm. Thanks!</p>
<p>Thanks Guys for sharing this but it didn't work with me. Still my 8 GB Micro SDHC use only 2.7 GB memory.</p>
<p>Try to make a disk verification to see if it has no physical problem. And then try both methods here presented.<br>Please let me know what are the results!</p>
<p>it doesn't work. now its wasted 3 4gb sd card.</p>
<p>Worked! Thanks!</p>
<p>Is this really works ?</p>
unless the card is physically damaged, yes it works
<p>Its Work !!!!!!!!!!!!! thank you!!! :) </p>
<p>Thank you, you saved my SD card</p>
<p>I have tried everything...this is my solution :)</p>
have you tried turned it off and on again? xD
<p>I have tried everything...this is my solution :)</p>
<p>Thanks, simple and clear instructions :) </p>
<p>THX you just saved 5 SD cards</p>
<p>Thanks a lot! I had to uninstall my Raspian-based RetroPie so I could use my SD card on the RPi 2. Finally I can image the new OS.</p>
<p>Oh man, I dont know how to thank you..!!<br>After searching a lot, I actually ended up with this software but stepped back because it was showing 95Mb(reduced) size only in the start. Didnt know after formatting it will come back to original size. Then I read your post, and yes again. Thanks a lot.</p>
glad I could help :)
<p>Thank you so much!!</p>
<p>when i try to format my memory card: It prompts message as &quot;This Memory card is Write Protected. Please release write protect switch.&quot;, and i dont see any write protect switch in my Memory card too. please help me.</p>
<p>It should be on the left side of the SD.</p>
<p>Thank you so much I saved my 128GB Micro SD! </p>
<p>Thanks a lot :)</p>
<p>I'll try the first solution, as I've never heard about that. I read an article that suggests to check and repair bad sectors with chkdsk or third-party tools. what's your idea about that? there is the article I read: <a href="http://www.eassos.com/how-to/windows-was-unable-to-complete-the-format.php" rel="nofollow">http://www.eassos.com/how-to/windows-was-unable-to...</a></p><p>waiting for your opinion</p>
<p>Thanks, my SD card was at 800MB when it supposedly had 16GB, did the DiskPart thing and now it's back to 14.8GB. </p>
<p>Thanks! First method is great, saved most of my best SD card! (Don't know where the rest got to but 14.3GB is OK)</p>
<p>Thats a more exact measurement of how much space you have. 15/16GB is a general estimate of the amount of memory.</p>

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