Recuperación de datos perdidos de USB: recupera archivos de USB borrados, formateados o dañados

18 de agosto de 2025
Cómo recuperar datos perdidos de USB

Losing important files from a USB drive can be stressful, especially when the files include work documents, photos, videos, school projects, or backup data. The good news is that USB lost data recovery is often possible if the lost files have not been overwritten. Whether your files were accidentally deleted, lost after formatting, hidden by file system errors, or missing from a corrupted USB flash drive, the first step is always the same: stop using the USB drive immediately and choose the right recovery method.

In this guide, you will learn when USB files can still be recovered, what to check before using recovery software, which free methods are worth trying, and how to recover lost data from a USB drive con Magic Data Recovery.

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Compatible con Windows 7/8/10/11 y Windows Server

Índice

What Is USB Lost Data Recovery?

USB lost data recovery means recovering files that disappeared from a USB flash drive, pen drive, thumb drive, or removable USB storage device. These files may be lost because of accidental deletion, formatting, file system corruption, virus removal, improper ejection, interrupted file transfer, or a USB drive that suddenly becomes unreadable.

In many cases, the lost files are not immediately erased from the USB drive. Instead, the system marks their storage space as available for new data. As long as new files have not overwritten that space, reliable USB data recovery software can scan the drive and rebuild recoverable files.

What to Do Before USB Lost Data Recovery

Before you try any USB lost data recovery method, take a few safe steps to avoid making the data loss worse.

Deje de utilizar la unidad USB inmediatamente

Do not copy, move, delete, rename, or save any new files to the USB drive. New data may overwrite the lost files and make recovery impossible.

Do Not Format the USB Drive

If Windows says “You need to format the disk before you can use it,” do not click Format. Formatting may rebuild the file system and reduce the chance of successful recovery.

Do Not Run Repair Tools Too Early

Tools such as CHKDSK may repair file system errors, but they can also change the structure of lost files. If the USB drive contains important data, recover the files first and repair the drive later.

Prueba con otro puerto USB u ordenador

If the USB drive is not detected, try another USB port, another computer, or a different adapter. This helps confirm whether the problem is caused by the USB drive or the computer.

Check Whether the USB Appears in Disk Management

If the USB drive appears in Windows Disk Management with a drive letter, RAW file system, or unallocated space, software recovery may still be possible. If it does not appear anywhere, the drive may have physical damage.

Common Reasons Why Data Gets Lost from a USB Drive

Before starting USB lost data recovery, it helps to understand why the files disappeared. Different causes require different recovery actions.

Supresión accidental

Files deleted from a USB drive usually do not go to the Windows Recycle Bin. If you delete files from a USB flash drive and later realize they are important, stop using the drive immediately. The deleted files may still be recoverable before they are overwritten.

Formateo de unidades USB

If you accidentally formatted a USB drive, recovery may still be possible, especially after a quick format. However, if the drive was fully overwritten or filled with new files after formatting, the recovery success rate will be much lower.

Corrupción del sistema de archivos

A USB drive may show errors such as “The file or directory is corrupted and unreadable” or “You need to format the disk before you can use it.” In this case, the files may still exist, but the file system structure is damaged.

USB Files Not Showing

Sometimes files are hidden because of virus activity, file attribute changes, or directory errors. You may see used space on the USB drive, but no files appear in File Explorer. This situation is often recoverable if the storage area is still intact.

Improper Ejection or Interrupted Transfer

Removing a USB drive while files are being copied can damage the file table or leave files incomplete. If the drive still appears in Windows, data recovery software may be able to scan the USB drive and find lost files.

Can You Recover Lost USB Files for Free?

Yes, you can try several free methods before using professional USB data recovery software. However, these methods only work in specific situations.

Check Hidden Files

If your USB drive shows used space but files are missing, the files may be hidden.

Open File Explorer, click View, enable Hidden items, and check whether the missing folders appear.

You can also open Command Prompt and use the attrib command to remove hidden file attributes. This method is useful when files are hidden by system attribute changes or virus activity.

Restore from a Backup

If you copied USB files to OneDrive, Google Drive, Dropbox, an external hard drive, or another computer, check your backup first. Backup recovery is safer than scanning the original USB drive.

Try Another Computer or USB Port

Sometimes the problem is not the USB drive itself but the USB port, driver, or computer. Connect the USB drive to another computer or try a different USB port before assuming the files are lost.

Use USB Data Recovery Software

If the files were deleted, lost after formatting, or missing because of file system corruption, Magic Data Recovery can scan the USB drive and preview recoverable files before recovery. This is useful when you are not sure whether the files are still recoverable.

How to Recover Lost Data from a USB Drive with Magic Data Recovery

Después de respirar hondo, hay que identificar el estado de la unidad para elegir la solución adecuada.Dos escenarios

Escenario 1: La unidad funciona, pero “faltan” archivos”

Esto suele ocurrir cuando archivos borrados accidentalmente o formatear la unidad. La unidad en sí está bien, pero los archivos han “desaparecido”.

¿Por qué es posible la recuperación? Cuando eliminas un archivo o formateas la unidad, el sistema no borra los datos inmediatamente. Lo que hace es marcar el espacio que ocupa como disponible. Piense que es como quitar la ficha de un libro del catálogo de la biblioteca: el libro en sí sigue en la estantería hasta que uno nuevo ocupa su lugar. El software de recuperación de datos actúa como un bibliotecario que puede ignorar el catálogo y buscar su libro directamente en las estanterías.

Escenario 2: La unidad no se abre o muestra errores (corrupción del sistema de archivos)

Si su ordenador reconoce la unidad (por ejemplo, ve una letra de unidad en “Este PC”), pero no puede abrirla o aparece un error como “El archivo o directorio está dañado y es ilegible,es probable que el sistema de archivos de la unidad esté dañado.

En ambos casos, Puede utilizar un software de recuperación de datos para recuperar los archivos de una unidad USB con facilidad. Aquí están los Pasos para la recuperación:

1.Instale el software de recuperación de datos: Instale un programa fiable de recuperación de datos como Magic Data Recovery en su disco duro del ordenador. Recuerda, no instale el software en la unidad USB que está intentando recuperar.

Descargar Magic Data Recovery

Compatible con Windows 7/8/10/11 y Windows Server

2.Conectar y escanear: Ejecute el software y conecte su unidad USB. Selecciona tu unidad de la lista e inicia un escaneo. Cuando finalice el escaneo, te mostrará todos los archivos que puede encontrar.
Ejecute el Magic Data Recovery para buscar el archivo sobrescrito perdido
Búsqueda de datos perdidos
3.Vista previa y recuperación: Una vez finalizado el escaneado, el software mostrará una lista de los archivos recuperables. Puedes utilizar la función de vista previa (para ver fotos, documentos, etc.) para confirmar que los archivos están intactos.
Vista previa de los archivos en el programa de recuperación de tarjetas SD
4.Guarde sus archivos: Seleccione los archivos que desea recuperar y guardarlos en una ubicación nueva y segura, como el escritorio de tu ordenador u otra unidad. Una vez más, no los vuelva a guardar en la unidad USB original, ya que esto podría sobrescribir otros archivos que aún desea recuperar.
Guardar los archivos sobrescritos recuperados

Conclusión

USB lost data recovery is often possible when files are deleted, formatted, hidden, or lost because of file system errors. The most important rule is to stop using the USB drive immediately and avoid formatting or saving new data to it.

Start with basic checks such as hidden files, backups, another USB port, or another computer. If the lost files are still missing, use Magic Data Recovery to scan the USB drive, preview recoverable files, and save them to a safe location. If the Unidad USB is physically damaged or not detected at all, professional recovery service may be the safer option.

Descargar Magic Data Recovery

Compatible con Windows 7/8/10/11 y Windows Server

Preguntas frecuentes

What is USB lost data recovery?

USB lost data recovery is the process of restoring files that disappeared from a USB flash drive, pen drive, or removable USB storage device. It can help recover deleted, formatted, hidden, or corrupted files if the original data has not been overwritten by new files.

Can I recover deleted files from a USB drive?

Yes, deleted files from a USB drive can often be recovered because deletion usually only marks the file space as available. However, recovery must be done before new data overwrites that space. Stop using the USB drive and scan it with reliable recovery software as soon as possible.

Can I recover files from a formatted USB drive?

Yes, files may be recoverable after a quick format, especially if you have not saved new data to the USB drive. A full format or repeated writing after formatting can overwrite old files, making recovery much harder or impossible.

Why are my USB files not showing?

USB files may not show because they are hidden, deleted, affected by virus activity, or located in a damaged file system. You can first enable hidden files in File Explorer. If the files still do not appear, use USB data recovery software to scan the drive.

Should I run CHKDSK before recovering USB files?

It is usually safer to recover important files before running CHKDSK. Although CHKDSK can fix file system errors, it may also modify directory structures or file fragments. If the USB contains important data, scan and recover files first, then repair the drive later.

Can Magic Data Recovery recover data from a corrupted USB drive?

Yes, Magic Data Recovery can help recover files from a corrupted USB drive if the device is still recognized by Windows. It can scan for lost files caused by deletion, formatting, RAW file systems, and file system errors. If the USB is physically damaged, software may not detect it.

Where should I save recovered USB files?

You should save recovered files to your computer, another external drive, or a different safe storage device. Do not save recovered files back to the original USB drive, because this may overwrite other lost files that have not yet been recovered.

When is USB lost data recovery impossible?

USB lost data recovery may be impossible if the lost files have been fully overwritten, the USB memory chip has failed, or the drive is physically damaged and not detected by any computer. In these cases, professional lab recovery may be required, but success is not guaranteed.

Vasilii es un especialista en recuperación de datos con unos 10 años de experiencia práctica en este campo. A lo largo de su carrera, ha resuelto con éxito miles de casos complejos relacionados con archivos borrados, unidades formateadas, particiones perdidas y sistemas de archivos RAW. Su experiencia abarca tanto métodos de recuperación manual con herramientas profesionales como editores hexadecimales como soluciones automatizadas avanzadas con software de recuperación. La misión de Vasilii es poner los conocimientos sobre recuperación de datos al alcance tanto de los profesionales informáticos como de los usuarios de a pie, ayudándoles a salvaguardar sus valiosos activos digitales.