II. The solution to the problem that the SD card shows that the space is full but the file cannot be found
1. Delete the NOMEDIA file in the SD card
If there are NOMEDIA files in the SD card, the Android phone cannot read the media files. Even if the SD card is full, the files cannot be found. Remove the SD card from the Android device, connect it to the computer through a card reader, check for a .nomedia file in the media folders, and delete it if present. Reinstall the SD card into the Android device to see if the media files are displayed normally. The NOMEDIA file only affects the Android phone’s ability to read the media files; the computer can still access the SD card files normally.
2. Show hidden files in File Explorer
After the SD card is connected to the computer, but the files in it still cannot be found, you can display the hidden files according to the following methods.
Method 1 : Open the file explorer, select the SD card drive, click (View) on the top, check ( Hidden items ), and then the hidden files will be displayed.
Method 2 : Search for “Control Panel” in the taskbar search box, open Control Panel > Appearance and Personalization > Show Hidden Files and Folders. Select “ Show hidden files, folders, and drives ” in the View interface, then click Apply > OK . You can now view hidden files on the SD card.
3. Use the attrib command to clear the hidden attribute of the file
Step 1 : Connect the SD card to the computer through a card reader. Enter ( cmd ) in the search box, right-click ( Command Prompt ), and select ( Run as administrator ).
Step 2 : Enter ( attrib -h -r -s /s /d g:\*.* ) and press the ( Enter ) key. After completing the command, please open the file explorer to check whether the SD card files are displayed normally.
Description of Attrib command parameter:
attrib: Display, set, or remove file or directory attributes.
-h: Clear hidden file attribute.
-r: Clear read-only file attribute.
-s: Clear system file attributes.
/s: Apply attrib and options to matching files in the current directory and all subdirectories.
/d: Apply attrib and options to a directory.
g: Drive letter of the SD card (replace with the actual drive letter).
The above methods mainly address the issue of hidden files. If the SD card is still full but files are missing, consider reformatting the SD card or using the diskpart command to clear all data and rebuild partitions. Both methods may cause data loss, so it’s recommended to use data recovery software to recover missing files first.
4. Use Renee Undeleter to recover SD card data
When the files in the SD card cannot be found, you can use professional data recovery software to scan and restore them. The following uses
Renee Undeleter as an example to illustrate.
① What is Renee Undeleter?
Renee Undeleter is designed to restore system data files. It helps retrieve
lost data from
accidental deletion ,
emptied recycle bins , or
formatted disks/storage . The software includes four modules:
Fast Partition Scan ,
Whole Partition Scan ,
Whole Disk Scan , and
Image Creation , addressing all data loss issues comprehensively.
Hot Topic - ADs Renee Undeleter – Simple & Powerful Software for Data Recovery 
Easy to use Recover data by 3 steps;
Multiple scan modes Fast partition scan, whole partition scan and whole disk scan;
Supported file types Image, video, audio, text, email and so on;
Image creation Create a partition image to read and back up data;
Supported devices SD card, SDHC, SDXC, USB flash drive, hard disk and computer.
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② How to recover SD card data with Renee Undeleter?
Step 1: Connect the SD card to the computer through a card reader, download and install Renee Undeleter on the computer, and run Renee Undeleter. Select the [ Whole Partition Scan ] option on the main interface.
Note: Do not install Renee Undeleter in the disk where data is lost to avoid data overwriting.
Data Recovery Function:
-
Fast Partition Scan – Quickly retrieve files lost due to accidental deletion or emptying the recycle bin.
-
Whole Partition Scan – Recover files from inaccessible or formatted partitions.
-
Whole Disk Scan – Analyze partition information and fully scan the entire disk.
-
Image Creation – Create an image of a partition to back up its current state.
Step 2 : Select the SD card partition and click ( Next ).
Step 3: Wait for the scan to complete; the duration depends on the SD card’s memory size. After scanning, double-click the file to preview, select the file to recover, and click the
Recover button.
Note: Save recovered files to a different partition to prevent data overwriting. If Whole Partition Scan doesn’t find your file, try the Whole Disk Scan function.
Step 1 : Connect the SD card to the computer via a card reader.
Step 2 : Open File Explorer, right-click on the SD card drive, and select ( Format ).
Step 3 : Choose an option from “File System” in the formatting window. Select (FAT32) if the SD card is 32GB or smaller; select (exFAT) if the SD card is larger than 32 GB.
Step 4 : Click ( Quick Format ), and click ( Start ) to format the SD card. Then check whether the SD card can store new data.
6. Use the diskpart command to clear all data in the SD card and rebuild the partition
Step 1 : Connect the SD card to the computer through a card reader, enter ( cmd ) in the search box, right-click ( command prompt ), and select ( run as administrator ).
Step 2 : Enter the following commands in sequence in the command prompt, and press the ( Enter ) key after you type each command:
(The disks in the computer will be listed, and the disk number of the SD card can be judged according to the capacity)
(1 is the disk number of the SD card)
(The partitions and volumes on the disk will be deleted, and all information will be cleared, but the cleared data will only be marked as deleted and may be recovered)
Then please continue to enter the following command:
(Create a primary partition. If necessary, you can enter it on the next command line
assign letter = H , H is the drive letter of the new partition)
(fs=fat32 refers to format the SD card as a FAT32 file system, and quick refers to quick format)
II. The solution to the problem that the SD card shows that the space is full but the file cannot be found
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