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How do I re-install Win7 Home Premium on an erased laptop with no optical drive?


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#1 capricorntony13

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Posted 04 December 2016 - 12:45 PM

Hello, 

 

I am trying to re-install Win 7 on a laptop that I had to erase due to a virus. I have a OEM OS disk, and the laptop doesn't have an optical drive. I have to find a way to make a USB copy that will install Win 7 onto the little laptop. If I use the WIn 7 USB DVD Download Tool, it's looking for an ISO image file, and I don't have one. I DO have an OEM disk, and the laptop has its original key sticker on the bottom. How can I make an ISO image? Can I use the OEM disk to make an ISO image so that I can get this process going? 

 



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#2 kris-chevyz24

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Posted 04 December 2016 - 12:52 PM

You must use either an external dvd drive that plugs into the usb port of the laptop, or you can put the iso image from a windows disc, using another pc, onto a usb thumb drive and boot from the usb stick.  :bubbles:


Edited by kris-chevyz24, 04 December 2016 - 12:53 PM.


#3 JohnC_21

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Posted 04 December 2016 - 01:01 PM

Adding to kris-chevyz24's post.

 

Use Imgburn to create an iso file from your Windows 7 disk. Imgburn defaults to a .bin file so use the dropdown box to select the iso format. Use a read speed of no faster than 4x if possible.

 

After creating the iso file use Rufus to create a bootable USB Windows 7 install.

 

Rufus Instructions:

Run Rufus with the USB flash drive attached. Select MBR partition scheme for BIOS and UEFI. Leave all boxes as checked. If FreeDos is shown in the dropdown box select iso image, click the icon, and browse to the Windows 7 iso file created using Imgburn. Press Start. Any data on the flash drive will need to be backed up as the drive will be formatted.






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