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HomeSystem TutorialWindows Series[Newly Fixed] Error 0x800701B1 on Windows 10/11

Have you encountered error 0x800701B1 in Windows 10/11? Error 0x800701B1 often occurs in situations where you copy or paste files and directories or install Windows. How to fix the error 0x800701B1 effectively? In this article, you will learn to fix "Error 0x800701B1: A device which does not exist was specified" and "Windows cannot install required files 0x800701B1". Let’s have a view!

[Newly Fixed] Error 0x800701B1 on Windows 10/11

  • Part 1: What is Error Code 0x800701B1?
  • Part 2: What Causes Error 0x800701B1?
  • Part 3: How to Fix Error 0x800701B1(9 ways!)

Part 1: What is Error Code 0x800701B1?

Before you fix error 0x800701b1, you should have a general view of it. Error 0x800701b1 is a common Windows error code that often occurs when you copy or transfer files and directories. In this situation, the error message "Error 0x800701B1: A device which does not exist was specified." In addition, error 0x800701b1 occurs when you are installing or reinstalling Windows 10/11 over USB with the prompt "Windows cannot install required files 0x800701B1."

Part 2: What Causes Error 0x800701B1?

You may wonder why my computer encounters error code 0x800701b1. Here are listing some common reasons that may cause error 0x800701b1:

• Poor hard disk connection;

• Damaged hard disk;

• Incompatible USB port;

• Corrupt system files;

• Virus attack;

• Lack of security permissions;

Part 3: How to Fix Error 0x800701B1 (9 ways!)

In this part, you will learn 9 useful ways to fix error 0x800701b1. No matter what situations you meet: "Error 0x800701B1: A device which does not exist was specified" or "Windows cannot install required files 0x800701B1", the methods mentioned in this part are all suitable!

  1. Way 1: Using another USB connection
  2. Way 2: Simply unplug and re-plug the drive
  3. Way 3: Remove Non-Related Peripherals
  4. Way 4: Rescan disks to fix error 0x800707B1
  5. Way 5: Update or uninstall disk devices
  6. Way 6: Run CHKDSK Command
  7. Way 7: Rebuild BCD files
  8. Way 8: Run a virus scan
  9. Way 9: Adjust Security Settings Permissions

Way 1: Using another USB connection

Sometimes error code 0x800707B1 can be caused by using the wrong USB port. There are USB 2.0 and USB 3.0 ports on your computer. If you plug in USB 2.0 and you get error 0x800707B1, you can use another USB 3.0 port to connect an external hard drive and see if you can transfer files successfully. Learn how to check if the USB port is 2.0 or 3.0 .

Way 2: Simply unplug and re-plug the drive

Error 0x800707B1 can be caused by a loose hard drive connection. There is a simple but effective way to fix error 0x800707B1, which is to unplug the hard drive and then plug it back in. Once you have unplugged the hard drive, you can use an eraser or a clean tissue to wipe your SSD, and then plug the hard drive back in to see if you can continue your process without error 0x800707B1.

Error code 0x800707B1 occurs when you connect other peripherals while transferring files or data. You can remove unrelative peripherals and try again to see if the error code 0x800707B1 is resolved.

Way 4: Rescan disks to fix error 0x800707B1

If you have checked your hardware is fine, you may try to rescan disks in the disk management. Here are the steps to perform rescan disks:

Step 1: Right-click the start menus and click Disk Management;

Step 2: Choose the Action tab and select Rescan Disks. Then wait for the scanning process, once rescan successfully, see if the error code 0x800707b1 has been solved.

[Newly Fixed] Error 0x800701B1 on Windows 10/11

Way 5: Update or uninstall disk devices

You can also try to update or uninstall disk devices to fix the 0x800707B1 error. Here are the steps to do:

Step 1: Press Win + R and type "devmgmt.msc" and press Enter to open Device Manager;

Step 2: Expand the drives and select a drive;

Step 3: Right-click on the SSD and click on Update Drive or Uninstall Device. If you choose Uninstall device, in the next step you need to click "Scan for Hardware Changes" to reinstall the driver.

[Newly Fixed] Error 0x800701B1 on Windows 10/11

方法 6: CHKDSK コマンドを実行する

CHKDSK ツールは、ハード ドライブ上のエラーをスキャンして修正し、ハード ディスク ドライブが正常に動作していることを確認するのに役立ちます。

次の手順に従ってください:

ステップ 1: Win + R を押して「cmd」と入力し、「Shift + Ctrl + Enter」キーを押して管理者として実行します。

ステップ 2: 「chkdsk x: /f」と入力し (x: がUSB ドライブ文字に置き換わることに注意してください)、Enter キーを押してスキャンを開始します。その後、0x800707b1 エラーが修正されたかどうかを確認してください。

[Newly Fixed] Error 0x800701B1 on Windows 10/11

方法 7: BCD ファイルを再構築する

BCDファイルが破損している可能性があります。 BCD を修復して、「Windows は必要なファイル 0x800707b1 をインストールできません」を修正できます。まず Windows インストールを準備し、そこから起動する必要があります。

ステップ 1: Windows セットアップ ページにアクセスし、[コンピューターの修復] をクリックします。

ステップ 2: [トラブルシューティング] > [詳細オプション] > [コマンド プロンプト] を選択します。

ステップ 3: 次のコマンドを順番に入力し、各コマンドの後に Enter ボタンを押します。

bootrec /fixmbr

bootrec /fixboot

ブートレック/scanos

ブートレック/rebuildbcd

[Newly Fixed] Error 0x800701B1 on Windows 10/11

方法 8: ウイルス スキャンを実行する

コンピューターにマルウェアまたはウイルスがある場合、データの処理や Windows のインストールが妨げられ、エラー 0x800707b1 が発生します。ウイルスを倒すにはフル スキャンを実行する必要があります。

Windows 10

ステップ 1: Win + I を押して設定を開きます;

ステップ 2: 下にスクロールして、[更新とセキュリティ] > [Windows セキュリティ] > [Windows セキュリティを開く] を選択します。

ステップ 3: [ウイルスと脅威の防止] > [スキャン オプション] をクリックします。

ステップ 4: [フル スキャン] をクリックして、今すぐスキャンします。

Windows 11

ステップ 1: Win + I を押して設定を開きます;

ステップ 2: プライバシーとセキュリティ > Windows セキュリティ > Windows セキュリティを開く;

ステップ 3: [ウイルスと脅威の保護] > [スキャン オプション] をクリックします。

ステップ 4: [フル スキャン] をクリックして、今すぐスキャンします。

方法 9: セキュリティ設定の権限を調整する

「エラー 0x800701B1: 存在しないデバイスが指定されました」は、セキュリティ設定の権限がないことが原因で発生する可能性があります。したがって、セキュリティ設定権限を取得する必要があります。

ステップ 1: ファイル エクスプローラーを開き、USB ドライブを右クリックし、[プロパティ] を選択します。

ステップ 2: [セキュリティ] タブを選択し、[詳細設定] をクリックします。

[Newly Fixed] Error 0x800701B1 on Windows 10/11

ステップ 3: [変更] をクリックします。 [ユーザーまたはグループの選択] ダイアログで、[詳細…] をクリックします。

[Newly Fixed] Error 0x800701B1 on Windows 10/11

ステップ 4: 「今すぐ検索」をクリックします。次に、ユーザー名を選択して [OK] をクリックします。

[Newly Fixed] Error 0x800701B1 on Windows 10/11

ステップ 5: 新しいボリュームの高度なセキュリティ設定インターフェイスで、[すべての子オブジェクトのアクセス許可エントリをオブジェクトから継承可能なアクセス許可エントリに置き換える] にチェックを入れ、[適用] をクリックして [OK] をクリックします。

[Newly Fixed] Error 0x800701B1 on Windows 10/11結論

上記の方法でエラー0x800701b1を修正できることを願っています!また、データ損失に備えて、

データを USB フラッシュ ドライブにバックアップ

することをお勧めします。何か問題がございましたら、お気軽に iSumsoft サポート チームにご連絡ください!

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