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title: "F3X (Mac)"
---

'Tis be an add-on section fer checkin' ye SD card fer errors usin' F3X.
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Dependin' on th' size 'o ye SD card 'n th' speed 'o ye computer, 'tis process can take up to several hours!
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'Tis page be fer Mac users only. If ye be not on Mac, check out th' [H2testw (windows)](h2testw-(windows)) or [F3 (Linux)](f3-(linux)) pages.
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#### What ye need

* Th' latest release 'o [F3X](https://github.com/insidegui/F3X/releases/latest)

#### Instructions

1. Unzip th' F3X `.zip` file
1. Insert ye SD card into ye computer
1. Run th' F3X app
1. Select ye SD card
1. Press "Start Test"
1. Wait 'til th' process be complete.

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If th' test shows th' result `Success! Your card is ok!` ye SD card be good 'n ye can be deletin' all `.h2w` files on ye SD card
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If th' test shows any other results, ye SD card may be corrupted or damaged 'n ye may have to replace it!
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Return to [Get Started](get-started)
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