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Please help me installing Windows 7 from USB onto Lenovo Ideapad 100S


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#1 krs000a

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Posted 13 June 2018 - 07:09 AM

Hello,

 

I'm trying to install Windows 7 64-bit on a Lenovo Ideapad, the 100S series, which currently has Windows 10 on it. The laptop lacks an optical drive, so I'm forced to install it off a USB stick, but I can't get it to work.

I've created a bootable USB stick with Windows 7 for Legacy mode using Rufus (using this guide: http://www.fit-pc.com/wiki/index.php/How_to_install_Windows_in_Legacy_mode), and set the laptop to Legacy mode in the BIOS. I've also set the correct boot sequence in BIOS, setting the USB stick as boot order 1. Yet the laptop ignores the USB stick and just boots Windows 10 as usual. I've also tried hitting F12 to reach the boot menu to attempt to select the USB stick manually from there, but for some reaso it's not even appearing as a boot option in that menu, unlike the boot order in BIOS where it does appear.

I've also changed back to UEFI mode and installed the Windows 7 ISO to USB using this guide http://www.fit-pc.com/wiki/index.php/How_to_install_Windows_in_UEFI_mode to no avail.

I've also (with the laptop still set to UEFI mode) followed this guide, with same results:

https://support.lenovo.com/se/en/solutions/ht076615

I've tried several USB sticks, all of which I know are good and functional.

What could be the reason for it not working?

Please any suggestions are welcome. I must get Windows 10 off and Windows 7 onto this laptop a.s.a.p.

Thank you for reading.


Edited by krs000a, 13 June 2018 - 07:37 AM.


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#2 buddy215

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Posted 13 June 2018 - 07:41 AM

Read the info in the link below that has made the downgrade successful. Be sure to note why in some cases once

you have Windows 7 Microsoft may not update it.

Solved: Simple Windows 7 downgrade issue - Lenovo Community

 

QUOTE A BIT:

 

You need to slipstream the missing drivers into the install image.  This is not just copying the drivers to the USB memory stick.  The following tool from Intel can help you do the slipstreaming:

 

https://downloadcenter.intel.com/download/25476/Windows-7-USB-3-0-Creator-Utility

 

However, before attempting to install Windows 7, you should check to see whether the other drivers needed are available.  Go to the Lenovo support page for your system, and see if Lenovo has Windows 7 drivers available.  If it does not, you will need to download Windows 7 drivers from each of the relevant device manufacturers.

 

Also, you should check to see if Microsoft are offering any Windows 7 updates for your system.  Microsoft announced last year that they would not offer any Windows 7 updates for 7th generation Intel processors.  See this thread:


“Every atom in your body came from a star that exploded and the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about physics...you are all stardust.”Lawrence M. Krauss
A 1792 U.S. penny, designed in part by Thomas Jefferson and George Washington, reads “Liberty Parent of Science & Industry.”

#3 JohnC_21

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Posted 13 June 2018 - 07:43 AM

I believe that computer has 32bit UEFI firmware. Is Windows 10 32bit?



#4 krs000a

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Posted 13 June 2018 - 08:03 AM

Thanks for your replies. The exact model is Lenovo Ideapad 100S-14IBR. Unfortunately I don't know if the UEFI firmware is only 32bit or not.

I recognized that error message (from a different laptop) mentioned in the link you sent, where the installation program complains it does not detect a CD drive. However, would the drivers really be the issue in my case? I mean, it's not even starting the install program, it just skips by the USB stick.

I checked Lenovo's site and there are no drivers available for this model besides Windows 10.

What type drivers is it that I need to download manually? Which missing drivers would be causing the install to not work in my case. USB drivers?



#5 JohnC_21

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Posted 13 June 2018 - 08:32 AM

Right click Computer > Properties. Does it show Windows 10 as 32bit? I think your problem is because this computer uses 32bit UEFI requiring you to install 32bit Windows 7.


Edited by hamluis, 20 June 2018 - 10:45 AM.


#6 krs000a

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Posted 14 June 2018 - 03:26 AM

Right click Computer > Properties. Does it show Windows 10 as 32bit? I think your problem is because this computer uses 32bit UEFI requiring you to install 32bit Windows 7.

 

It says I have the 64-bit version of Windows 10 when I right-click Properties on Computer.

I'm wondering why the computer just skips over the USB drive and loads Windows 10. In the boot sequence settings in BIOS the USB drive appears, while it does not appear in the boot menu (the menu that appears when pushing F12 during startup).

If I somehow get the computer to actually run the Windows 7 installation program ever, and I'm met with that "No CD/DVD drive detected", which drivers would I need to streamline in order to get around that error message? Does that error message appear on every single computer when you try to install Windows 7 on a computer that lacks an optical drive, or is it just on some of them? Very confused...


Edited by krs000a, 14 June 2018 - 03:27 AM.


#7 JohnC_21

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Posted 14 June 2018 - 07:41 AM

I would set the computer back to Legacy Mode. Using Rufus make sure the partition scheme is set to MBR. In your UEFI settings make sure you disable Quick/Fastboot and SecureBoot if enabled. 

 

It seems this computer has problems with Windows 7.

 

https://www.sevenforums.com/installation-setup/391622-windows-7-x86-usb-installer-not-detected-lenovo-ideapad-100s.html

 

If you BIOS has the settings use the ones in this thread.

 

https://forums.lenovo.com/t5/Lenovo-IdeaPad-100-305-500-Edge/Failed-setup-windows-7-to-Lenovo-Ideapad-100-14IBY/m-p/3318710#M37665

 

Edit: See this video

https://www.youtube.com/watch?v=T6tYFKpp558

Make sure you are using a USB 2 port, not USB 3 which is blue, if the computer has USB 3. If the problem was your USB port driver and you have USB 2 then there is a good possibility you can install Windows 7 in UEFI mode and not legacy. If you only have USB3 ports then see this thread.


Edited by JohnC_21, 14 June 2018 - 08:19 AM.


#8 krs000a

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Posted 14 June 2018 - 10:13 AM

Thank you kindly for all the links and information on this issue. As soon as I get a chance in the upcoming days, I will attempt to follow all suggestions and settings in the threads you linked to and then I'll report back how it went.

Again thank you so much for taking the time and helping me with this. You have no idea how much I appreciate it.


Edited by hamluis, 20 June 2018 - 10:44 AM.


#9 buddy215

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Posted 14 June 2018 - 10:56 AM

I'm curious as to why it is necessary for you to have Windows 7. It would seem to me that if it was necessary

and known to you that you would of purchased a computer with Windows 7 and not 10.

 

It could be that installing a FREE Linux OS in a dual boot with Windows 10 could be a better solution. That is one

reason why I ask you about your reason for wanting Windows 7.


“Every atom in your body came from a star that exploded and the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about physics...you are all stardust.”Lawrence M. Krauss
A 1792 U.S. penny, designed in part by Thomas Jefferson and George Washington, reads “Liberty Parent of Science & Industry.”

#10 old rocker

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Posted 14 June 2018 - 08:31 PM

Hi krs000a

 

Hope I'm not intruding...

 

 

For this you need...

Windows 7 Disc Image available from... https://www.microsoft.com/en-us/software-download/windows7
 
USB drive 4GB or larger available from... fine retailers everywhere
 
Windows USB/DVD Download Tool (or similar utility) available from...
 
The following guidance...
 
Your Lenovo requires special steps to accpmplish your mission. I went through a similar scenario (downgrade Windows 10 to Windows 7. It can be done with very few hurdles) I've included links just for reference.
 
Recommended way to enter BIOS for IdeaPad, Lenovo Laptops
 
The following link description may look deceptive, but it's the one you need to complete your task...

How to boot from USB disk under Windows 8, Windows 10 - Idea/Lenovo laptops
I would've added 'to explicitly install Windows 7 on a Lenovo IdeaPad running Windows 10'
 
There is no driver slipstreaming necessary. My source for drivers was: https://supportdrivers.info/lenovo-100-drivers-download/
 
I did not do the BIOS update.
 
Hopefully this will head you in the proper direction and give the best results!
 
Old Rocker


#11 krs000a

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Posted 19 June 2018 - 03:25 AM


https://www.youtube.com/watch?v=T6tYFKpp558

Make sure you are using a USB 2 port, not USB 3 which is blue, if the computer has USB 3. If the problem was your USB port driver and you have USB 2 then there is a good possibility you can install Windows 7 in UEFI mode and not legacy. If you only have USB3 ports then see this thread.

 

I have tried everything now, I just cannot get the boot menu to recognize any USB drives. I have tried multiple USB sticks, Sandisk, "no name" China sticks, etc. Nothing works. I have tried all USB ports. The laptop has 2 x USB 2.0 and 1 x USB 3.0. Note that the USB stick is detected while still in the BIOS, but not in the boot menu.

I have looked at the link https://www.sevenforums.com/installation-setup/391622-windows-7-x86-usb-installer-not-detected-lenovo-ideapad-100s.html and it appears that person was having the exact same issue as me, and there never was any solution posted to his problem.

 

I'm curious as to why it is necessary for you to have Windows 7. It would seem to me that if it was necessary

and known to you that you would of purchased a computer with Windows 7 and not 10.

 

It could be that installing a FREE Linux OS in a dual boot with Windows 10 could be a better solution. That is one

reason why I ask you about your reason for wanting Windows 7.

 

Because I didn't personally buy this computer, I'm trying to help someone else. I would never for anything in my life have bought a Windows 10 computer, I have learned from that mistake in the past.

 

 

Hopefully this will head you in the proper direction and give the best results!
 
Old Rocker

 

 

Thank you for the detailed guide! However, I tried it, including the load default settings which seems to have helped many people, but it made no difference for me.

Just to clarify, it seems most of these guides deal with issues that occur during the Windows 7 installation program procedure. However, while I'm sure I would run into said problems as well, I haven't even gotten that far as to even reaching the installation program. My main issue is that the laptop's boot menu is not recognizing any USB drives no-matter-what. I read something about some Windows 10 laptops having USB sticks blocked, until the Windows password has been entered. Could this have anything to do with it? I tried to follow guides on how to deactivate this USB blocker thing, but that wouldn't work either. The problem was that the guides referred to settings and options that weren't present in (my version of) Windows 10.

 

Do you think the reason for the USB stick not being recognized in the boot menu is due to this USB blocking setting?


Edited by hamluis, 20 June 2018 - 10:42 AM.


#12 pcpunk

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Posted 19 June 2018 - 10:38 AM

Not sure, but would you mind linking us to that?  I think I found it at the sevenfourms link.  Lenovo USB Blocker.

 

So you did this: I don't think this is the issue...but

Lenovo has confirmed that this is a problem in the Lenovo USB Blocker application version 1.0.0.37. Lenovo USB Blocker application version 1.0.0.62 does not have this issue. Please contact Lenovo to download this updated version of the application.

 

I wonder if it may be as simple as Flashing the BIOS if there is one present that is newer?  There may be a fix for this pushed out.

Lenovo Ideapad 100S-14IBR

BIOS Update for Windows 10 (64-bit) - ideapad 100S-14IBRE4CN36WW16 Apr 2018
  1. Update Flash Tools/IntelManifest/MySBManifest_config.xml(SctWinFlash64.exe, WinFlash64.exe,
  2. ShellFlash64.efi and DosFlash.exe).
  3. Enhancement to address CVE-2017-5715

 

https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/100-series/100s-14ibr/downloads

 

Good luck, wish I could help more.


Edited by hamluis, 20 June 2018 - 10:43 AM.

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#13 Ghostwalker

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Posted 28 June 2018 - 03:27 AM

I've noticed strange issues trying to accomplish something in Windows 10 when logged into a 'Microsoft account' which is created by default unless one intentionally creates a real Administrator user account or unhides the built in Administrator account. The hidden more privileged built in Administrator account is what I use to deal with big issues. Before you travel down the long Lenovo road and flashing the bios you might want to go oldschool and try an inexpensive external optical drive and burn the iso to disc.

 

If you like to help folks on an ongoing basis this might be a good tool to have anyway. If so, definitely try Legacy Mode and making sure Quick/Fastboot and SecureBoot is disabled. If the optical drive is either 2.0 or 3.0 plug it in to the same type port regardless that 3.0 is backwards compatible, yet I know you'll try everything. Good luck on this!

Hope this helps


Edited by Ghostwalker, 28 June 2018 - 03:29 AM.


#14 krs000a

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Posted 29 June 2018 - 02:01 AM

Not sure, but would you mind linking us to that?  I think I found it at the sevenfourms link.  Lenovo USB Blocker.

 

So you did this: I don't think this is the issue...but

Lenovo has confirmed that this is a problem in the Lenovo USB Blocker application version 1.0.0.37. Lenovo USB Blocker application version 1.0.0.62 does not have this issue. Please contact Lenovo to download this updated version of the application.

 

I wonder if it may be as simple as Flashing the BIOS if there is one present that is newer?  There may be a fix for this pushed out.

Lenovo Ideapad 100S-14IBR

BIOS Update for Windows 10 (64-bit) - ideapad 100S-14IBRE4CN36WW16 Apr 2018
  1. Update Flash Tools/IntelManifest/MySBManifest_config.xml(SctWinFlash64.exe, WinFlash64.exe,
  2. ShellFlash64.efi and DosFlash.exe).
  3. Enhancement to address CVE-2017-5715

 

https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/100-series/100s-14ibr/downloads

 

Good luck, wish I could help more.

 

I checked into it, but it turns out the USB Blocker was not even installed on my computer, so that couldn't have been it after all.

I also have tried flashing the BIOS to the latest version, but it also didn't help. I have now sent the laptop to Lenovo for service. They won't help installing Windows 7, but they agreed to let me send the computer in based on the fact that it ignores USB sticks on boot. They are fully aware of the "not enough disc space" / Microsoft Update issue and they encourage their customers to install drivers off external devices.

 

 

I've noticed strange issues trying to accomplish something in Windows 10 when logged into a 'Microsoft account' which is created by default unless one intentionally creates a real Administrator user account or unhides the built in Administrator account. The hidden more privileged built in Administrator account is what I use to deal with big issues. Before you travel down the long Lenovo road and flashing the bios you might want to go oldschool and try an inexpensive external optical drive and burn the iso to disc.

 

If you like to help folks on an ongoing basis this might be a good tool to have anyway. If so, definitely try Legacy Mode and making sure Quick/Fastboot and SecureBoot is disabled. If the optical drive is either 2.0 or 3.0 plug it in to the same type port regardless that 3.0 is backwards compatible, yet I know you'll try everything. Good luck on this!

Hope this helps

 

I actually tried this. I have an external DVD-drive, and it was my first stategy, before even trying the USB stick route. But I had the same issue there, the computer just skipped over the fact that the external optical drive was connected (through any of the USB ports on the laptop). If they solve the problem, perhaps it will be possible to install from a CD/DVD then.



#15 JohnC_21

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Posted 29 June 2018 - 06:02 AM

In Rufus set the file system to NTFS, not FAT32. Set the computer to legacy mode and a MBR partition scheme in Rufus. 


Edited by JohnC_21, 29 June 2018 - 06:02 AM.





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