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Tutorials Reboot and select proper boot device [Fix]

juanamm

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Get the fix for the error Reboot and select proper Boot Device

The causes for this error might be any of the following:
Incorrect boot order. Your hard disk (HDD) must be listed in your computer’s boot order
Legacy mode activated or disabled on UEFI-based computers. If your Windows 8, for example, was installed and the UEFI Legacy mode was deactivated, the “Reboot and select proper Boot Device” error might appear
Hard disk failure – see Fix #2 for steps on how to check if your hard disk has failed or is failing
Partition not set as active – see Fix #4

Applicable Systems
This Windows-related knowledgebase article applies to the following operating systems:

Windows XP (all editions)
Windows Vista (all editions)
Windows 7 (all editions)
Windows 8 (all editions)
Windows 8.1 (all editions)
Windows 10 (all editions)

reboot1.jpg


Causes of this Error
This error has been known to occur as a result of one of the following causes:
Cause 1: Incorrect boot order
The most cmmon cause of this error is an incorrect boot order in BIOS. When a PC is trying to boot from an incorrect source, this error screen is displayed.
Cause 2: Partition not set as active
Another possible cause is a partition that is set as inactive. This may happen after disk write errors, power outages or virus attacks.

Fixing “Reboot and select proper Boot Device” on Windows

Windows Setup CD/DVD Required!
Some of the solutions below require the use of the Microsoft Windows setup CD or DVD. If your PC did not come with a Windows installation disc or if you no longer have your Windows setup media, you can use Easy Recovery Essentials for Windows instead. EasyRE will automatically find and fix many problems, and can also be used to solve this problem with the directions below.

Fix #1: Check Boot Order
The most easiest fix for the “Reboot and select proper Boot Device” error is to make sure your computer’s boot order correctly list your hard disk as 1st option.
To check the boot order, follow these steps:

1. Restart your computer

2. Press the necessary key to open BIOS menu. This key depends on your computer manufacturer and computer model.This is usually listed on the first screen that appears on your monitor. It can be any of the following: Esc, Del, F2, F8, F10 or F12. If your screen shows multiple keys, find the key to open “BIOS”, “setup” or “BIOS menu”. The boot order is changed from here.

reboot2.jpg


3. Go to the Boot tab

4. Change the boot order and list your computer’s HDD first

bootmenu3.png


5. Save the settings

6. Restart your computer

Fix #2: Check if the hard disk has failed
To test if your hard disk is failing or it’s already failed, use Easy Recovery Essentials’ Automated Repair. Automated Repair process will report any issues found with your hard disk or RAM memory:
1.

2. Burn the ISO Image.

3. Boot into Easy Recovery Essentials

4. Select Automated Repair

5.
Click Continue and wait for the Automated Repair process to finish. Automated Repair process will report any issues found with your hard disk or RAM memory:

easyre-drive-is-failing.jpg


Fix #3: Disable Legacy Boot (UEFI only)
On computers that have UEFI instead of BIOS, having the Legacy mode option active could cause the “Reboot and select proper Boot Device” error to appear.
If that’s the case, you can simply disable the Legacy mode and restart your computer:

1. Restart your computer

2. Open the UEFI menu by pressing the necessary key. This depends on your computer manufacturer and is listed on the first screen that appears on your computer. It can be any of the following: F2, F8, F12 or the Del key.

Dell-POST.jpg


3. Switch off the Legacy option. Depending on your computer model, this can be listed at the Security tab > Legacy Support.

ThinkPad-UEFI-Legacy-Boot-Priority.gif


4. Save the settings

5. Exit UEFI menu

6. Restart your computer

Fix #4: Use diskpart
If your primary partition is no longer set as active, the “Reboot and select proper Boot Device” error may appear. If setting the partition as active again would fix the error, you need to use diskpart to run the necessary commands for this:

If you have the original Windows installation media (DVD for Vista, 7, 8 and USB for 8.1), you can use that media:
1. Insert the Windows installation disc and boot from the media

2. At System Recovery Options (for Vista or 7 systems) or Troubleshoot (for Windows 8 and 8.1), click Command Prompt

windows-7-system-recovery-options-screen.png


windows-8-recovery-options-screen-troubleshoot.png


3. Type:
Code:
diskpart

4. Press Enter

5. Type:
Code:
select disk 0

Where 0 is the disk’s number where your Windows is installed on. For a full list of disks that are available on your computer, type list disk.
6. Press Enter

7. Type:
Code:
list partition

8. Press Enter

9. Type:
Code:
select partition 1

Where 1 is your primary partition.

10. Type:
Code:
active

11. Press Enter

VirtualBox_Win7_clean_27_04_2016_05_45_20-1.png


If you don’t have the original installation media, you can use Command Prompt from Easy Recovery Essentials:

1.

2. Burn the ISO Image.

3. Boot Easy Recovery Essentials from the CD, DVD or USB

4. Select Launch Command Line

EasyRE-Home.png





 

osxp1

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Good job :clap:
 

Imran Hashmi

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Briefly explained. Very well @juanamm
 

devilman2049

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This is very helpful tutorial and tips.Very easy and well explained.Thank you very much.
 

SlavkoPejic

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Thanks
 

Stanislav

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Well explained , very delicate work; confuse just a little bit of the sequence
and it all leads to a blue screen. Congratulations! :clap: but ...
I think most members are leaning towards the game, it can be a specialist in Adobe or a similar program and its boot is unknown.
Yes, the owner must know his machine, especially to know BIOS capabilities and basic DOS commands.
And before treatment with Easy Recovery, use EasyBCD (from the same company) as your prevention,
which selects the exact partition or boot device for you.
 
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