{"id":"troubleshooting.startup-disk-almost-full-warning","url":"/faq/troubleshooting/startup-disk-almost-full-warning","category":{"id":"troubleshooting","title":"Troubleshooting & messages"},"subcategory":{"id":"space-messages","title":"Free space and clean-up messages"},"question":"Storage Studio warned my startup disk is almost full — what should I do first?","alt_questions":["storage critical internal ssd almost full","your startup disk is nearly full storage studio notification","storage studio low disk space alert","mac disk almost full what to do first"],"short_answer":"Your internal disk is nearly full. Run Free Up Space, move big items with What's Using Space, release space held in local snapshots, then empty the Trash when you're sure.","answer_markdown":"Your Mac's internal disk is running out of room, which can slow it down and stop updates installing. Start with the quickest safe wins:\n\n1. Run **Free Up Space** from the menu bar — it clears rebuildable caches and old files after showing you what it will do.\n2. Check **What's Using Space** for big folders and apps you can move to your fast drive.\n3. Release space held in automatic backups from the Local Snapshots section.\n4. Empty the Trash yourself once you're sure — Storage Studio leaves that to you because it can't be undone.\n\nSee [freeing up space](/faq/freeing-space/).","answer_html":"

Your Mac's internal disk is running out of room, which can slow it down and stop updates installing. Start with the quickest safe wins:

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  1. Run Free Up Space from the menu bar — it clears rebuildable caches and old files after showing you what it will do.
  2. Check What's Using Space for big folders and apps you can move to your fast drive.
  3. Release space held in automatic backups from the Local Snapshots section.
  4. Empty the Trash yourself once you're sure — Storage Studio leaves that to you because it can't be undone.
\n

See freeing up space.

","answer_text":"Your Mac's internal disk is running out of room, which can slow it down and stop updates installing. Start with the quickest safe wins:\n\n1. Run Free Up Space from the menu bar — it clears rebuildable caches and old files after showing you what it will do.\n2. Check What's Using Space for big folders and apps you can move to your fast drive.\n3. Release space held in automatic backups from the Local Snapshots section.\n4. Empty the Trash yourself once you're sure — Storage Studio leaves that to you because it can't be undone.\n\nSee freeing up space.","tags":["disk full","startup disk","free space"],"related":[{"id":"troubleshooting.space-held-in-automatic-backups","question":"What does \"Held by your Mac for files you've already deleted\" mean?","url":"/faq/troubleshooting/space-held-in-automatic-backups"},{"id":"troubleshooting.nothing-large-enough-to-move-honest-result","question":"Why does Storage Studio say it found nothing large enough to move or clear without risk?","url":"/faq/troubleshooting/nothing-large-enough-to-move-honest-result"}],"applies_to":"all","last_reviewed":"2026-10-01","title":"Storage Studio warned my startup disk is almost full — what should I do first? — Storage Studio FAQ","description":"Your internal disk is nearly full. Run Free Up Space, move big items with What's Using Space, release space held in local snapshots, then empty the Trash when you're sure.","crumbs":[{"name":"Home","path":"/"},{"name":"FAQ","path":"/faq/"},{"name":"Troubleshooting & messages","path":"/faq/troubleshooting/"},{"name":"Storage Studio warned my startup disk is almost full — what should I do first?","path":"/faq/troubleshooting/startup-disk-almost-full-warning"}],"jsonld":{"@context":"https://schema.org","@type":"FAQPage","url":"https://storagestudio.us/faq/troubleshooting/startup-disk-almost-full-warning","inLanguage":"en","dateModified":"2026-10-01","mainEntity":[{"@type":"Question","name":"Storage Studio warned my startup disk is almost full — what should I do first?","alternateName":["storage critical internal ssd almost full","your startup disk is nearly full storage studio notification","storage studio low disk space alert","mac disk almost full what to do first"],"acceptedAnswer":{"@type":"Answer","text":"Your Mac's internal disk is running out of room, which can slow it down and stop updates installing. Start with the quickest safe wins:\n\n1. Run Free Up Space from the menu bar — it clears rebuildable caches and old files after showing you what it will do.\n2. Check What's Using Space for big folders and apps you can move to your fast drive.\n3. Release space held in automatic backups from the Local Snapshots section.\n4. Empty the Trash yourself once you're sure — Storage Studio leaves that to you because it can't be undone.\n\nSee freeing up space.","url":"https://storagestudio.us/faq/troubleshooting/startup-disk-almost-full-warning"}}]},"fragment":"
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Troubleshooting & messages · Free space and clean-up messages

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Storage Studio warned my startup disk is almost full — what should I do first?

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Short answer: Your internal disk is nearly full. Run Free Up Space, move big items with What's Using Space, release space held in local snapshots, then empty the Trash when you're sure.

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Your Mac's internal disk is running out of room, which can slow it down and stop updates installing. Start with the quickest safe wins:

\n
  1. Run Free Up Space from the menu bar — it clears rebuildable caches and old files after showing you what it will do.
  2. Check What's Using Space for big folders and apps you can move to your fast drive.
  3. Release space held in automatic backups from the Local Snapshots section.
  4. Empty the Trash yourself once you're sure — Storage Studio leaves that to you because it can't be undone.
\n

See freeing up space.

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Last reviewed

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Related questions

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