SlideShare a Scribd company logo
1 of 31
Download to read offline
Letʼs DFU!!
あおてつ
2021. 1. 20 JMUG LT
自己紹介 名前:あおてつ @ao_Tetsu
所属:「どクラウド」の会社の情シス
Jamf Pro歴:5ヶ月
DFUのお話の前に
M1モデルで変わったMacのリカバリー
4
macOS を再インストールする方法
https://support.apple.com/ja-jp/HT204904
M1のリカバリーをやってみる(Big Sur 11.0.1)
5
コケる
6
M1のリカバリーをやってみる(Big Sur 11.1)
7
8
だがしかし
リカバリーは成功する
設定アシスタントのアカウント作成でコケる
9
※言語環境が日本語の場合。英語だとうまくいくときもある?
一発でリカバリをキメるには
DFUとは
DFU : Device Firmware Update
デバイスを強制的に
ファームウェアアップデートする方法
12
How to DFU
13
公式手順
Apple Configurator 2ユーザガイド
Apple Configurator 2でAppleシリコンを搭載したMacを復活させる/復元する
https://support.apple.com/ja-jp/guide/apple-configurator-2/apdd5f3c75ad/mac
14
と言うことで、あおてつ流DFUの極意を紹介します。
※流派有り
一言で言うと全然うまくいかない
STEP0. 事前準備
15
母艦
DFU対象
① 最新のApple Configrator 2を
インストールして起動しておく
STEP0. 事前準備
16
母艦
DFU対象
① 最新のApple Configrator 2を
インストールして起動しておく
② DFU対象のデバイスの電源を
入れたままUSB-Cケーブルをつなぐ
USB-Cケーブルのつなぎ方
17
STEP0. 事前準備
18
母艦
DFU対象
① 最新のApple Configrator 2を
インストールして起動しておく
② DFU対象のデバイスの電源を
入れたままUSB-Cケーブルをつなぐ
③ 電源オフ
準備完了!
STEP2 Let’s DFU!!
19
① 電源ポチ
STEP2 Let’s DFU!!
20
① 電源ポチ
② 電源を押しながら
右Shift + 左Option + 左Control
を押す
STEP2 Let’s DFU!!
21
① 電源ポチ
② 電源を押しながら
右Shift + 左Option + 左Control
を押す
③ そのまま10秒維持
STEP2 Let’s DFU!!
22
① 電源ポチ
② 電源を押しながら
右Shift + 左Option + 左Control
を押す
③ そのまま10秒維持
④ 右Shift + 左Option + 左Control
を離す。電源は押したまま。
STEP2 Let’s DFU!!
23
① 電源ポチ
② 電源を押しながら
右Shift + 左Option + 左Control
を押す
③ そのまま10秒維持
④ 右Shift + 左Option + 左Control
を離す。電源は押したまま。
⑤ そのまま7秒維持
この間DFU対象デバイスの画面は
ひたすら真っ黒です
STEP2 Let’s DFU!!
24
① 電源ポチ
② 電源を押しながら
右Shift + 左Option + 左Control
を押す
③ そのまま10秒維持
④ 右Shift + 左Option + 左Control
を離す。電源は押したまま。
⑤ そのまま7秒維持
母艦Apple Condfigurator2
⑥ 母艦のApple Configratoru2に
DFUが表示されたら成功!!
STEP3 DFUに入ったらリカバリ
25
OR
復元 デバイスの復活
STEP3 DFUに入ったらリカバリ
26
デバイスの復活
STEP3 DFUに入ったらリカバリ
27
ただし失敗する場合あり(11.0.1)
STEP3 DFUに入ったらリカバリ
28
復元
STEP3 DFUに入ったらリカバリ
29
放っておけば完了します。
DFUは難しくない
これで貴方も今日からDFUマスター!!
Youtube「M1 DFU」で検索すると実演動画が見れるので動きを見たい人は参考にしましょう
ありがとうございました。

More Related Content

Featured

PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024Neil Kimberley
 
Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)contently
 
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024Albert Qian
 
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsSocial Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsKurio // The Social Media Age(ncy)
 
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Search Engine Journal
 
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summarySpeakerHub
 
ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd Clark Boyd
 
Getting into the tech field. what next
Getting into the tech field. what next Getting into the tech field. what next
Getting into the tech field. what next Tessa Mero
 
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentGoogle's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentLily Ray
 
Time Management & Productivity - Best Practices
Time Management & Productivity -  Best PracticesTime Management & Productivity -  Best Practices
Time Management & Productivity - Best PracticesVit Horky
 
The six step guide to practical project management
The six step guide to practical project managementThe six step guide to practical project management
The six step guide to practical project managementMindGenius
 
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...RachelPearson36
 
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...Applitools
 
12 Ways to Increase Your Influence at Work
12 Ways to Increase Your Influence at Work12 Ways to Increase Your Influence at Work
12 Ways to Increase Your Influence at WorkGetSmarter
 
Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...DevGAMM Conference
 

Featured (20)

Skeleton Culture Code
Skeleton Culture CodeSkeleton Culture Code
Skeleton Culture Code
 
PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024
 
Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)
 
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024
 
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsSocial Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie Insights
 
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024
 
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary
 
ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd
 
Getting into the tech field. what next
Getting into the tech field. what next Getting into the tech field. what next
Getting into the tech field. what next
 
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentGoogle's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search Intent
 
How to have difficult conversations
How to have difficult conversations How to have difficult conversations
How to have difficult conversations
 
Introduction to Data Science
Introduction to Data ScienceIntroduction to Data Science
Introduction to Data Science
 
Time Management & Productivity - Best Practices
Time Management & Productivity -  Best PracticesTime Management & Productivity -  Best Practices
Time Management & Productivity - Best Practices
 
The six step guide to practical project management
The six step guide to practical project managementThe six step guide to practical project management
The six step guide to practical project management
 
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
 
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
 
12 Ways to Increase Your Influence at Work
12 Ways to Increase Your Influence at Work12 Ways to Increase Your Influence at Work
12 Ways to Increase Your Influence at Work
 
ChatGPT webinar slides
ChatGPT webinar slidesChatGPT webinar slides
ChatGPT webinar slides
 
More than Just Lines on a Map: Best Practices for U.S Bike Routes
More than Just Lines on a Map: Best Practices for U.S Bike RoutesMore than Just Lines on a Map: Best Practices for U.S Bike Routes
More than Just Lines on a Map: Best Practices for U.S Bike Routes
 
Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
 

Let's DFU!