Reinstall Windows 7 Home Premium 64 Bit

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A complete step-by-step on reinstalling Windows 7 from scratch

The error message is because Microsoft will not support, or supply ISO files, for OEM-licensed systems like yours. The best solution is to go back to the shop that serviced your computer and tell them to reinstall the proper licensed copy of Windows 7.

If they refuse, you can download a ISO file for Windows 7 Home Premium by using the tool described below. You can create an installation DVD from the ISO file by using ImgBurn (http://www.imgburn.com/) or an installation USB flash drive (if your VAIO can boot from USB) by using Rufus (https://rufus.ie/).

ImgBurn and Rufus are both free. Once installed, use the product key from the COA sticker on your VAIO to activate Windows. You can obtain a legitimate Windows 7 ISO file by using the download tool here:https://www.heidoc.net/joomla/technology-science/microsoft/67-microsoft-windows-and-office-iso-download-tool.

If you are willing to use an ISO file from August 2018 (5.5 GB), you can download that immediately. However, if you want the original version, downloads are quite limited.

Notes below from the Heidoc support forum. "The download database on the server will be reset on the first day of every month. We will then generate one link per hour on a first come first served basis, whatever is requested, until all licenses are used up.

The database is then again reset on the first day of the following month, and downloads can be provided again for some time."

  • "The Aug 2018 Win7 downloads are "standalone" edition downloads (only come with Home Premium, Pro & Ultimate as separate editions and not bundled together) that include IE11 & .NET 4.7.2 but are available in US English language only.
  • all post sp1 updates except the big KB3125574 rollup update are included."
  • "I suggest you use the original version (NOT Aug 2018) since it is the official one and it can be unlocked to become a multi-SKU disc image.

The only downside is you have to install all updates after the installation." For additional details, see:https://www.wincert.net/forum/topic/14659-win-7-office-2010-monthly-download-days-starting-october-1-experimental/.

As of February 6th, 2015 the Digital River links to the various versions of Windows 7 are no longer functioning, as an alternative (as long as you have your product key) you can use the link to Microsoft's Software Recovery web page: http://www.microsoft.com/en-us/software-recovery.

Note: This site malfunctions more often than not when entering a product key, the wrong language is just one of the issues. You also may receive a notice to contact the PC manufacture if you have an OEM key that came with your computer, but it can't hurt to try.

Please read the information listed below as a possible solution.

Plan Your Windows 7 Clean Install

Additional information and alternative resources:. If you have a friend with a "Retail" version (Full or Upgrade media, just the media as you don't need their key) of the installation DVD (must be the same as your key was for: Home Premium, Pro or Ultimate) it will work with your "Retail" or "OEM" product key if you need to re-install or repair Windows.

Read the following Wiki articles: . Create your own ISO file from a Windows 7 installation DVD:. How to create a Universal Windows 7 installation DVD or USB Flash Drive:.

How to obtain Windows 7 replacement media.

J W Stuart: http://www.pagestart.com.

When you're absolutely sure sure that everything from your computer that you want to keep is backed up, proceed to the next step. Keep in mind that once you delete all of the information from this drive (as we'll do in a future step), the action is not reversible!

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Boot From the Windows 7 DVD or USB Device

To begin the Windows 7 clean install process, you'll need to boot from the Windows 7 DVD if you're using a Windows 7 DVD, or boot from a USB device if your Windows 7 installation files are located on a flash drive or other external USB drive.

See our Windows Installation FAQ if you have Windows 7 as an ISO image that you need on a flash drive or disc, or a Windows 7 DVD you need on a flash drive.

  1. Restart your computer with the Windows 7 DVD in your optical drive, or with the properly configured Windows 7 USB flash drive plugged in.
  2. Watch for a Press any key to boot from CD or DVD... message similar to the one shown in the screenshot above. If you're booting from a flash drive, the message might be phrased differently, like Press any key to boot from external device....
  3. Press a key to force the computer to boot from the Windows 7 DVD or USB storage device. If you do not press a key, your computer will attempt to boot to the next device in the boot order, which is probably your hard drive. If this happens, chances are your current operating system will boot.

If your existing Windows installation begins to boot or you see a "No Operating System Found" or "NTLDR is Missing" error here instead of the screen above, the most probable reason is that your computer is not set up to boot first from the correct source. To correct this problem, you'll need to change the boot order in BIOS to list the CD/DVD/BD drive, or External Device, first.

It's perfectly fine if, instead of the screen above, the Windows 7 setup process begins automatically (see the next step). If this happens, consider this step complete and move on!

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Wait for Windows 7 Installation Files to Load

You don't need to do anything at this point but wait for Windows 7 to finish loading files in preparation for the setup process.

No changes are being made to your computer at this time. Windows 7 is just temporarily "loading files" into memory for the setup process. You'll be removing everything on your computer as part of the Windows 7 clean install in a future step.

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Wait for Windows 7 Setup to Finish Loading

After the Windows 7 install files are loaded into memory, you'll see the Windows 7 splash screen, indicating that the setup process is about to begin.

You don't need to do anything at this point either.

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Choose Language and Other Preferences

Choose the Language to install, Time and currency format, and Keyboard or input method that you'd like to use in your new Windows 7 installation.

Select Next.

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Select the Install Now Button

Select Install now in the center of the screen, under the Windows 7 logo.

This will officially begin the Windows 7 clean install process.

Do not select the Repair your computer link at the bottom of the window even if you're completing this clean install of Windows 7 as part of some larger repair project for your computer.

The Repair your computer link is used to start a Windows 7 Startup Repair or perform another recovery or repair task from System Recovery Options.

If you're performing a clean install of Windows 7 as a solution to a major problem but have not yet tried a Startup Repair, do that first. It could save you the trouble of completing this clean install process.

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Wait for Windows 7 Setup to Begin

The Windows 7 setup process is now beginning.

No need to press any keys here–everything is automatic.

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Accept the Windows 7 License Terms

The next screen that appears is a textbox containing the Windows 7 Software License.

Read through the agreement, check the I accept the license terms checkbox under the agreement text, and then select Next to confirm that you agree with the terms.

You should always read "small print" especially when it comes to operating systems and other software. Most programs, Windows 7 included, have legally binding limits on how many computers the application can be installed on, among other limitations.

You are not breaking any laws or contracts by reinstalling Windows 7 via this clean install. As long as this particular copy of Windows 7 is only being operated on one computer, you're OK.

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Choose the Type of Windows 7 Installation to Complete

In the Which type of installation do you want? window that appears next, you're offered the choice of Upgrade and Custom (advanced).

Select Custom (advanced).

Even if you are upgrading from a previous operating system to Windows 7, I highly recommend that you do not follow the Upgrade installation. You'll get better performance with less chance of issues if you follow these clean install steps.

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Show the Windows 7 Advanced Drive Options

In this screen, you'll see each partition that Windows 7 recognizes. Since a clean install involves the removal of all operating system related partitions, if they exist, we'll do this now.

If, and only if, you're installing Windows 7 on a new hard drive, which of course does not have an operating system on it to remove, you can skip directly to Step 15!

Windows 7 setup considers partition management as an advanced task, so you'll need to select the Drive options (advanced) link to make those options available.

In the next few steps, you'll delete the partitions containing the operating system you're replacing with Windows 7, be it Windows Vista, Windows XP, a previous installation of Windows 7, etc.

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Delete the Partition Windows Is Installed On

Now that all available drive options are listed, you can delete any operating system related partitions from your existing hard drive(s).

Before continuing, please be aware that deleting a partition will permanently erase all data from that drive. By all data I mean the operating system that's installed, all programs, all data saved by those programs, all music, all video, all documents, etc. that might be on that particular drive.

Highlight the partition you want to delete and then select the Delete link.

Your list of partitions may differ considerably from mine shown above. On my computer, I am performing a clean install of Windows 7 on a computer with a small 30 GB hard drive that has previously had Windows 7 installed.

If you have multiple hard drives and/or multiple partitions on those drive(s), take great care in confirming that you're deleting the correct partition(s). Many people, for example, have second hard drives or partitions that act as backup drives. That's certainly not a drive you want to be deleting.

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Confirm the Partition Deletion

After deleting the partition, Windows 7 setup will prompt you to confirm the deletion.

The message says "The partition might contain recovery files, system files, or important software from your computer manufacturer. If you delete this partition, any data stored on it will be lost."

Choose OK.

As I spelled out in the last step, please be aware that all the data stored on that drive will be lost. If you have not backed up everything you want to keep, select Cancel, end the Windows 7 clean install process, restart your computer to boot back into whatever operating system you have installed, and back up everything you want to keep.

To be clear: This is the point of no return! There's no reason to be scared, I just want it to be very clear that you can't undo the deletion of the drive you selected after you choose this OK button.

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Delete Other Operating System Related Partitions

If there are any other partitions that need to be deleted, you can do so at this time.

For example, the Windows 7 installation I had on my PC previously created this special 100 MB (very small) partition to store system data in. This is most definitely related to the operating system that I'm trying to completely remove from my computer, so I'll delete this as well.

Highlight the partition and select the Delete link.

As you can see, the partition we deleted in the last step is gone. It may appear like it's still there but if you look closely, you'll see that that same 29.9 GB space is now described as Unallocated Space, not as a partition.

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Confirm Additional Partition Deletions

Just as in Step 12, Windows 7 setup will prompt you to confirm the deletion of this partition.

Select OK to confirm.

Just as before, please be aware that all the data stored on this particular drive will be lost.

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Choose a Physical Location to Install Windows 7 On

As you can now see, all the space on the installed hard drive is unallocated. No partitions exist on this computer.

The number of partitions displayed and whether those partitions are unallocated portions of a hard drive, previously partitioned spaces, or previously formatted and blank partitions, will depend on your specific system and which partitions you deleted in the last several steps.

If you're installing Windows 7 on a computer with a single hard drive on which you've just deleted all the partitions from, your screen should look like the one above, aside from your hard drive being a different size.

Choose the appropriate unallocated space to install Windows 7 on and then select Next.

You do not need to manually create a new partition nor are you required to manually format a new partition. Windows 7 Setup will do this automatically.

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Wait While Windows 7 Is Installed

Windows 7 Setup will now install a clean copy of Windows 7 to the location you chose in the previous step. You don't need to do anything here but wait.

This is the most time consuming of any of the 34 steps. Depending on the speed of your computer, this process could take anywhere from 5 to 30 minutes.

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Restart Your Computer

Now that the Windows 7 clean install process is nearly complete, you need to restart your computer.

If you do nothing, your computer will reset automatically after 10 seconds or so. If you'd rather not wait, you can select Restart now at the bottom of the Windows needs to restart to continue screen.

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Wait for Windows 7 Setup to Begin Again

The Windows 7 clean install is now continuing.

You don't need to do anything here. There are a few more automatic Windows 7 setup steps to come.

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Wait for Windows 7 Setup to Update Registry Settings

Windows 7 Setup is now updating registry settings in preparation for the final stages of the operating system clean install.

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Wait for Windows 7 Setup to Start Services

Wait while Windows 7 Setup starts various necessary services.

This starting of services will occur during every Windows 7 boot as well but you won't see it like this again. Services start in the background during a normal Windows 7 startup.

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Wait for Windows 7 Setup to Complete

This last Windows 7 Setup screen says "Completing installation" and may take several minutes. All you need to do is wait–everything is automatic.

If the Windows 7 Setup process is complete, why are we only on step 21 of 34?

The remainder of the steps in this clean install process include several easy but important configurations that need to take place before you can use Windows 7.

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Wait for Your PC to Automatically Restart

Wait while the Windows 7 setup process automatically restarts your computer.

Do not restart your computer manually at this point. Windows 7 Setup will restart your PC for you. If you interrupt the setup process by restarting manually, the clean install process may fail. You may then need to start the Windows 7 setup over again from the beginning.

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Wait for Windows 7 to Start

Wait while Windows 7 starts.

No user intervention is required here.

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Wait for Windows 7 to Prepare Your PC for First Use

Windows 7 Setup is now preparing your computer for "first use."

Windows 7 is now loading drivers, checking to make sure everything has been setup properly, removing temporary files, etc.

You don't need to do anything here.

Remember, this clean install of Windows 7 has completely removed your old operating system. Windows 7 is being installed and configured just as it would on a brand new computer.

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Wait for Windows 7 to Check Your PC's Video Performance

Wait while Windows 7 checks the video performance of your computer.

Windows 7 needs to know how well your video card and related hardware works so it can properly adjust performance options for your computer.

For example, if your video system is too slow, Windows 7 may disable features like Aero Peek, translucent windows, and other graphically intense features of the operating system.

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Choose a User Name and a Computer Name

Windows 7 needs to know what user name you'd like to use and how you'd like your computer to be identified on your local network.

In the Type a user name (for example, John): text box, enter your name. You can enter a single name, your first and last name, or any other identifiable text you like. This is the name you'll be identified by in Windows 7.

You're more than welcome to use the same user name that you used in your old operating system installation.

In the Type a computer name: text box, enter the name you'd like your computer to have when being viewed by other computers on your network.

If it makes sense in your specific situation, I recommend using the same computer name you used in the operating system installation you've deleted as part of this clean install, especially if any other computers on your network connect to resources on your PC.

Otherwise, a good computer name might be Office-PC, Windows-7-Test-PC, Bob-Dell, etc. You get the idea. Anything identifiable that makes sense to you will work.

Select Next when you're done entering both the user name and computer name.

Planning on having more than one user on your computer? Don't worry–you can set up more users inside Windows 7 later.

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Choose a Password to Access Windows 7

Microsoft recommends that you choose a password that will be required when starting Windows 7 before access to your user account will be allowed.

Don't treat this as a recommendation–consider it a requirement.

In the Type a password (recommended): text box, enter a complicated but easy-for-YOU-to-remember password. Retype the same password in the Retype your password: text box.

Type a hint to give yourself in the Type a password hint (required): text box. This hint will display if you enter the wrong password when logging on to Windows 7.

As you can see in the example above, the hint I entered was What is my favorite food?. The password I entered (which you can't see above) was applesauce.

Feel free to use the same password as you used in the operating system you've just removed from your computer as part of this Windows 7 clean install. However, this is as good a time as any to choose a stronger password than you might have used before.

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Enter the Windows 7 Product Key

Enter the product key that came with your retail purchase or legal download of Windows 7. If Windows 7 came as part of your complete computer system, enter the product key you were given as part of that purchase.

If Windows originally came preinstalled on your computer, your product key is probably located on a sticker attached to the side, back, or bottom of your computer's case.

You may be able to avoid entering a product key at this point but you will eventually need to do so in order to continue using Windows 7. I highly advise that you enter your product key here and choose to Automatically activate Windows when I'm online.

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Choose a Windows Update Option

On this Help protect your computer and improve Windows automatically screen, Windows 7 is asking you to choose how you want to automatically install updates from Microsoft's Windows Update service.

I recommend that you choose Install important updates only. This option is the safest because it restricts Windows 7 from doing anything with your data or to your computer automatically except when important security and stability updates are available.

You are more than welcome to choose Use recommended settings but I do not recommend that you choose Ask me later.

These settings can easily be changed within Windows 7 after you're done stepping through these configuration questions.

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Choose the Correct Time Zone, Date, and Time

On the Review your time and date settings screen, choose the correct Time zone, Date, and Time.

The time and date is likely already correct but be sure to verify the time zone and change if necessary.

If your area observes Daylight Saving Time be sure to check that box here.

If the date and/or time of Daylight Saving Time changes, Microsoft will issue an update via Windows Update to change the automatic time change, so don't avoid checking this box assuming that DST changes won't occur correctly.

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Choose a Network Location

In the Select your computer's current location window you see now, Windows 7 is asking where your computer is located at so it can set up the proper network security–tighter security for public areas and lighter for private ones like home and work.

Choose Home network or Work network if that applies to you. Most of you reading this will choose Home network.

Choose Public network if you use a mobile computer and you connect to the internet or other computers away from home. Also, be sure to choose Public network if you access the internet via a mobile broadband network–no matter if you're at home or not.

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Wait for Windows 7 to Connect to the Network

Windows 7 is now connecting your computer to the network.

You don't need to do anything here. Everything is automatic.

If Windows 7 detects another computer on your network running Windows 7 that also has a homegroup set up, you will be prompted to choose what kinds of files you'd like to share on that homegroup and for the homegroup password. You can enter this information or Skip the setup entirely.

I do not show this additional screen in this guide.

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Wait for Windows 7 to Prepare the Desktop

Windows 7 will now put all the "finishing touches" on your clean installation like adding icons to the desktop, prepare the start menu, etc.

You don't need to do anything here. All of these changes are done automatically in the background.

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Your Windows 7 Clean Install Is Complete!

This completes the final step of your clean install of Windows 7. Congratulations!

If you chose not to enable automatic updates (Step 29), then the first step after installing Windows 7 is to visit Windows Update and install all the important service packs and patches that have been issued since the version of Windows 7 on your DVD was released.

In other words, any service packs and patches installed on your old operating system are obviously no longer installed.

If you did enable automatic updates, Windows 7 will prompt you about any important updates needed.