44 lines
1.4 KiB
Plaintext
44 lines
1.4 KiB
Plaintext
---
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title: "Formatting SD (Windows)"
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---
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{% include toc title="Table of Contents" %}
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### Required Reading
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This is an add-on section for formatting an SD card to work with the 3DS.
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If the 3DS already recognizes the SD card, this guide is not required.
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This page is for Windows users only. If you are not on Windows, check out the [Formatting SD (Linux)](formatting-sd-(linux)) or [Formatting SD (Mac)](formatting-sd-(mac)) pages.
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### What You Need
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* The latest version of [guiformat](http://ridgecrop.co.uk/index.htm?guiformat.htm)
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### Instructions
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1. Insert your SD card into your computer
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1. If the SD card has any files and folders on it, copy everything to a folder on your computer
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1. Run `guiformat.exe`
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1. Select your SD card's drive letter for "Drive"
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Make sure you choose the correct drive letter, otherwise you might accidentally erase the wrong drive!
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{: .notice--danger}
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1. Select a size for "Allocation unit size"
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+ If the SD card is 64GB or below, choose 32768
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* If the SD card is above 64GB, choose 65536
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1. Enter anything for "Volume label"
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1. Ensure that "Quick Format" is selected
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1. Click "Start"
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1. Click "OK"
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1. Wait for the format to finish
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1. Click "Close"
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1. If the SD card had any files and folders on it before the format, copy everything back from your computer
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### Common Errors
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* Failed to open device: GetLastError()=32
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+ Close everything that may be using the SD card, such as any File Explorer windows.
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