Download Dell Windows 7 Pro OEM Skylake Reinstallation.iso – The Unofficial Windows 10 Reinstallation Guide

Download Dell Windows 7 Pro OEM Skylake Reinstallation.iso



DellWindowsReinstallationGuide is written and maintained by Philip Yip. Scotland , Great Britain (GB) , United Kingdom (UK) .

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January 2020

Windows 7 Reached End of Mainstream Support in January 2015. Extended Support lasts until January 2020. For more details see End of Support.

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Your Dell Windows 7 OEM License is eligible for a Free Upgrade to Windows 10 for more details see Windows OEM FAQs and Downloads.

Contents

Additional notes for non-Pro Editions of Dell Windows 7 OEM e.g. Dell Windows 7 Home Premium OEM and Dell Windows 7 Ultimate OEM. The Dell OS Recovery Tool does not support these Editions however you can use the Dell OS Recovery Tool to Download Dell Windows 7 Professional OEM and make a Bootable USB. Then you can modify this Bootable USB to allow installation of Dell Windows 7 Home Premium OEM and Dell Windows 7 Ultimate OEM.

Introduction

Dell released an up to date Windows 7 Pro .iso – the “Dell Windows 7 Pro Skylake Reinstallation .iso” which is multilingual and includes USB 3.1 and Storage Controller support necessary for installation of Windows 7 Pro on up to 6th Generation Intel Skylake systems. This installation media is Updated until January 2016 and includes Internet Explorer 11. It will automatically activate on eligible Dell systems using Dell OEM System Locked Preinstallation.

dell-windows-7-reinstalaltion-dvd31

The Dell Windows 7 Skylake Reinstallation .isos in this guide will apply Dell OEM System Locked Preinstallation meaning it will automatically activate offline on eligible Dell systems.

Eligible systems have a Windows Pro sticker:

win10Pro Win8Pro

Or alternatively a Windows 7 Pro COA (key not required, often found under the battery compartment):

Laptop COA

Perquisites

If running the Dell OS Recovery Tool on Windows 7 or Windows 8.1. The Microsoft.Net Framework needs to be installed, if it is not, the tool won’t run. To download it see here:

https://www.microsoft.com/en-us/download/details.aspx?id=55167

This is inbuilt into Windows 10.

Dell OS Recovery Tool

Download the Dell OS Recovery Tool:

http://www.dell.com/support/home/uk/en/ukdhs1/drivers/osiso/recoverytoolhttps://www.dell.com/support/home/us/en/19/Drivers/OSISO

Install the tool following the on screen instructions. Launch the tool:

If the Tool is ran on a Dell system to the left you’ll be able to select “This Device” and it will automatically lookup your Service Tag. Otherwise to the right you can manually input a Dell Service Tag.

The Windows 7 Download will display, 7.06 GB for Windows 7 Pro 64 Bit or 5.45 GB for Windows 7 Pro 32 Bit.

If your Service Tag is rejected use 5KR9DC2 for Windows 7 Pro 64 Bit and 7GXLCS1 for Windows 7 Pro 32 Bit. N.B. Only Service Tags of UEFI BIOS Systems which shipped with Windows 7 Pro seem to be eligible.

Select Download.

It should say Download Completed! DO NOT SELECT NEXT!

You may now close the program


The .iso appears in a Downloads subfolder in:

C:\ProgramData\Dell\OS Recovery Tool

The ProgramData folder is hidden by default. Open Windows Explorer and copy and paste the above into the address bar:

You will see a Downloads folder. This is by default locked:

When you select it, you will get a warning, select continue to access the folder:

You will now see the Dell Windows 7 Professional Skylake Reinstallation .iso:

I advise copying the .iso to your Desktop or to an external hard drive.

The Dell OS Recovery Tool should in theory allow one to make a Bootable USB Flash Drive however in my testing the following occurred. Therefore I recommend using Rufus to check the .iso checksums and make the Bootable USB:

Installation .iso Checksums

Open your Downloads folder. You will see a subfolder called Dell. The installation .iso you have downloaded will be present there. The installation .isos will have the following names with a suffix including the time you downloaded the .iso e.g. _20171207_0202

Windows 7 Profession 64 Bit Multi-Language:

  • G13K9_PW4KGA00_W7SP1PRO64_ROW(DL).iso

Windows 7 Professional 32 Bit Multi-Language:

  • MT5KY_N6N9GA00_W7SP1PRO32_ROW(DL).iso

Ensure that the .iso checksums match before using the .iso as there are often issues with incomplete downloads.

.iso checksums can be checked with Rufus (which we will also use to make the Bootable USB):

https://rufus.akeo.ie/

Rufus doesn’t need to be installed. Launch Rufus:

Accept the User Account Control Prompt:

You will be prompted to check for updates, there is no point in doing so if you have just downloaded Rufus:

Select “select”:

Select the installation .iso you have just downloaded and select open:

The name of the loaded .iso will be displayed at the bottom:

Select the tick mark beside “select”. This will compute the installation isos checksums:

The progress bar will show at the bottom:

Ensure they match the installation .iso checksums I list below:

G13K9_PW4KGA00_W7SP1PRO64_ROW(DL).iso (7,404,138 KB):

  • MD5: d363f535afae79139fe8632702613ffb
  • SHA1: f52615d64ebe9b7c7aeb754746356bc3a052c415
  • SHA256: 2bfa2ebbee84804c8e643bf829644e6c5ef373e63bdeae3a6ac927d371f4c0d0

MT5KY_N6N9GA00_W7SP1PRO32_ROW(DL).iso (5,715,252 KB):

  • MD5: 488ae6c2a7e587e87c12101fde083458
  • SHA1: c36a77d3dbbe1d248a04a496e2f88ab268ff6ce9
  • SHA256: b33b6b5a5c98ad33729741b2f2fe4c74bc7a8677f7c13d0c4966fd9ae5ed2c14

If they do not you have a corrupt installation .iso and should retry the download using the Dell OS Recovery Tool again:

Checking if your System has an UEFI Boot

Power down your Dell and then power up and Press [F12]. This will take you to your systems Boot Menu.

If it mentions at the top “Boot Mode” then you have a UEFI BIOS.

For Windows 7 64 Bit Installation:

  • The Boot Mode should be set to UEFI.
  • Secure Boot should be Off.
  • Legacy ROMs settings (not shown on the Boot Manager Screen) should be Enabled.
  • Note that early UEFI systems may not have Secure Boot and hence no need for Legacy ROM Settings.

For Windows 7 32 Bit Installation:

  • The Boot Mode should be set to Legacy.
  • Secure Boot should be Off.
  • Legacy ROMs settings (not shown on the Boot Manager Screen) should be Enabled.
  • Note that early UEFI systems may not have Secure Boot and hence no need for Legacy ROM Settings.

For details in Enabling these settings see Unified Extensive Firmware Interface (UEFI).

If it doesn’t mention at the top “Boot Mode” then you have an older system with a Legacy BIOS.

Creating a Bootable USB Flash Drive

Note: All Data on your USB Flash Drive will be formatted, so check there is nothing important on it before using it to make a Windows 7 Bootable USB.

If Rufus is closed, relaunch it and load the installation .iso. Insert a 16 GB USB Flash Drive. Your USB flash drive should display under Device:

For a UEFI system with 64 Bit Windows 7 ensure the partition scheme is GPT and the target is UEFI. The file system should be FAT32:

For a Legacy system with 32 Bit Windows 7 or 64 Bit Windows 7 ensure the partition scheme is MBR for Legacy BIOS. The file system should be NTFS:

It is advisable to change the Volume Label to something recognisable such as Win7Pro:

Press Start to begin making your Windows 7 Bootable USB:

You will be warned that your USB Flash Drive will be formatted. Select OK:

Rufus will now begin making your Bootable USB Flash Drive:

Once finished it will say “Ready”. You may now close down Rufus:

Standalone Updates for Windows 7

It is highly advised to create an Updates folder on your Bootable USB and to download and place the following updates in it. Also make a text file in this folder and copy the information below so you know what order to install the updates in. Installing these updates immediately after Windows 7 will save you Windows Update hassles due to your installation media being >7 years out of date and embedded with Internet Explorer 8 which is no longer supported.

With the Updated Image of the Dell Windows 7 Professional .wim 192 Updates are preinstalled taking this Windows Installation Media up to date until

To quickly patch it, it is advised to install these four updates immediately after installation (I usually copy these updates to a folder called Windows Updates and place it on the Bootable USB).

For the first three updates make sure to download the correct architecture x64 (64 Bit Windows) or x86 (32 Bit Windows). Most people will be installing the Windows 7 64 Bit architecture.

Windows 7 64 Bit

Service Stack and Convenience Rollup

A restart is required after each of these updates.

Perquisite IE11 Updates

IE11 is included on the install.wim of Windows 7 Professional and these four updates are not required if you are installing Windows 7 Pro. They are required if you are installing Windows 7 Home Premium or Ultimate.
A restart is required after each of these updates.

IE11

IE11 is included on the install.wim of Windows 7 Professional and update is not required if you are installing Windows 7 Pro. It is required if you are installing Windows 7 Home Premium or Ultimate.

The Latest Security Rollup

A restart is required after this updates.

When downloading sort by the latest date, use the latest (non-preview) Windows 7 for x64-based systems update only.

Microsoft .Net Framework

Microsoft Security Essentials

Microsoft Security Essentials Latest Definition

Windows 7 32 Bit

Service Stack and Convenience Rollup

A restart is required after each of these updates.

Perquisite IE11 Updates

IE11 is included on the install.wim of Windows 7 Professional and these four updates are not required if you are installing Windows 7 Pro. They are required if you are installing Windows 7 Home Premium or Ultimate.

A restart is required after each of these updates.

IE11

IE11 is included on the install.wim of Windows 7 Professional and update is not required if you are installing Windows 7 Pro. It is required if you are installing Windows 7 Home Premium or Ultimate.

The Latest Security Rollup

A restart is required after this updates.

When downloading sort by the latest date, use the latest (non-preview) Windows 7 for x64-based systems update only.

Microsoft .Net Framework

Microsoft Security Essentials

Microsoft Security Essentials Latest Definition

Installation Instructions

To install Windows 7 see Windows 7 Installation in a UEFI BIOS or Legacy BIOS.

Unlocking Windows 7 Home Premium or Windows 7 Ultimate

The ei.cfg should be deleted after the Bootable USB is made to allow installation of all Editions of Windows 7 for a Corresponding Architecture.

Open up the USB in Windows Explorer:

Go to the sources folder:

To the top right in the search bar search for ei.cfg

Delete the EI.cfg file:

With the EI.cfg file deleted during installation you will get the following ballot screen:

Adding Driver Support for Windows 7 Home Premium of Windows 7 Ultimate

Unfortunately from the screen above one can see that only the Pro Edition is updated. The other Editions are unfortunately from Late 2010 and do not have support for USB 3.0 or many storage controllers. If you try and use it with hardware with these technologies you may get stuck here with a non-responsive keyboard or mouse:

no-usb-3-0

Or alternatively here and get:

“A required CD\DVD drive device driver is missing. If you have a driver floppy disc, CD, DVD, or USB flash Drive, please insert it now. Note: If the Windows installation media is in the CD/DVD drive, you can safely remove it for this step."

no-usb-3-0-or-nvme-or-sata-drivers

To make your Bootable USB usable on up to 6th Generation Intel Skylake hardware you’ll need to add drivers to the Bootable USB.

The Windows USB Installation Tool by Gigabyte adds USB 3.0 drivers and storage controller drivers for Intel and Samsung NVMe SSDs as well as associated hotfixes. It may be found here:

https://www.gigabyte.com/Motherboard/GA-Z170X-Gaming-G1-rev-10#support-dl-utility

Scroll down until you find it:

Alternatively press [Ctrl] and [ f ] and search for Windows USB Installation Tool.

Download the tool and extract it:

To launch the utility double click the WindowsImageTool.exe and accept the User Account Control:

Check the three boxes to add the drivers:

Leave the Source Path as “None – Add USB Drivers" and change the Destination Path to your Windows 7 Bootable USB Flash Drive:

Select Start:

The tool will mount each index of your boot.wim file, add the drivers and then commit the changes. It’ll repeat the process for the install.wim file:

For a Bootable USB made from the Dell Windows 7 64 Bit .iso Downloaded Directly from Microsoft.

The process took about 20 minutes in my test.

The boot.wim found in the sources folder of the USB was updated from 409 MB to 433 MB.

The install.wim found in the sources folder of the USB was updated from 3.88 GB to 3.97 GB.

OEM Cert Collection

Unfortunately switching Edition breaks the OEM System Locked Preinstallation BIOS based product activation and the installation will ask for a Product Key. This can be applied post-installation. During the Windows 7 setup, you are best to install Windows 7 without a Product Key and activate post installation using OEM System Locked Preinstallation – the same BIOS based Product Activation mechanism of factory settings. Doing so will save you from having to call Microsoft to activate by phone.

I have put together the OEM Cert Collection along with an associated 2 line script to install the Cert and Apply the associated OEM SLP Key. After Installation copy the OEM folder containing the cert and OEM SLP key to your C:\ Drive and then run the script file.

It is available as a .zip file here:

https://drive.google.com/file/d/1d2xFAA6aDJu3PEtLD2Sv4WUfxg5lTwBl/view?usp=sharing

 

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