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14 Posts

08-26-2016

Belgium

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  • Posts: 14
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  • Message 1 of 5

Factory reset on T520

2018-10-07, 19:53 PM

Hi,

 

Given the issues I have with an incomplete Win 10 upgrade, I'm considering a factory reset to the restore image, using the Lenovo_Recovery partition of my T520 laptop, which contains a full image.  However, due to some manipulations in the past I don't remember, it appears that the Lenovo_Recovery partition isn't marked as 'Recovery' while an empty raw partition is.

See picture here below (fyi: the C: drive now hosts a Windows 10 partition).

 

 

 

When I start/reboot the laptop while pressing the Thinkvantage blue button (or pressing F1 at boot), I don't have the option to select any Restore & Recovery process or partition. Is there something I can fix in some way in order to apply the factory reset ?  

 

UPDATE:

I've mounted and peeked into the Q: drive (Lenovo_Recovery) and it mainly contains:

  • a program LenovoQDrive.exe which creates Recovery Media (which when started offers to create Recovery Media)
  • a folder FactoryRecovery which contains two .WIM files (Windows disk image files) named cdrivebackup.wim (13,4 GB) and sdrivebackup.wim (321 MB), along with a configuration file RECOVERY.INI which I copy here below. I could open the two WIM files and they pretty look like partition images of some inital S: (boot) and C: (Win7 OS) drives.

It appears that this Q: partition isn't really a recovery and recovery partition, but a backup of the DVD images to use to perform de factory reset by copying the images back as-is, correct ?

 

Thanks for your advice, hints and tips!

Paul

 

 

[partition1]
size=1199
type=07
label=SYSTEM_DRV
volume=S
active=1
recfromsp=0
imagename=Sdrivebackup.wim
install=iuimagex.exe /apply /verify Q:\factoryrecovery\Sdrivebackup.wim 1 S:\
installsplit=iuimagex.exe /apply /verify Q:\factoryrecovery\Sdrivebackup.swm 1 S:\ /ref Q:\factoryrecovery\Sdrivebackup*.swm
[partition2]size=
type=07
label=Windows7_OS
volume=C
active=0
recfromsp=0
imagename=Cdrivebackup.wim
install=iuimagex.exe /apply /verify Q:\factoryrecovery\Cdrivebackup.wim 1 C:\
installsplit=iuimagex.exe /apply /verify Q:\factoryrecovery\Cdrivebackup.swm 1 C:\ /ref Q:\factoryrecovery\Cdrivebackup*.swm
[partition3]size=15999
type=07
label=Lenovo_Recovery
volume=Q
active=0
recfromsp=0
imagename=Qdrivebackup.wim
install=iuimagex.exe /apply /verify Q:\factoryrecovery\Qdrivebackup.wim 1 Q:\
installsplit=iuimagex.exe /apply /verify Q:\factoryrecovery\Qdrivebackup.swm 1 Q:\ /ref Q:\factoryrecovery\Qdrivebackup*.swm

 

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466 Posts

05-28-2017

Canada

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  • Message 2 of 5

Re: Factory reset on T520

2018-10-09, 1:09 AM

I guess you did not make DVD copy of the recovery back when the machine was new?

 

 

I own: T400 T500 X220 running Windows 10 x64 & My X230 runs Linux for my webserver
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14 Posts

08-26-2016

Belgium

31 Signins

218 Page Views

  • Posts: 14
  • Registered: ‎08-26-2016
  • Location: Belgium
  • Views: 218
  • Message 3 of 5

Re: Factory reset on T520

2018-10-09, 14:18 PM

 wrote:

I guess you did not make DVD copy of the recovery back when the machine was new?

 


Indeed I didn't. But I've run it manually from the Q: partition with the program that the Thinkvantage tools launches when proposing to create the recovery media. So I *do* have a boot and repair CD (presumably image from the S: partition if my reading of the script is correct) and have made an ISO (presumably the image from the C: partition, at least its size matches) which I've 'burnt' on a bootable USB disk (via a Zalman device, if you're familiar with that). So presumably I'm kind of at the *same* point as if I did take the copies of the 'recovery' back then imo.

 

Running the boot and repair cd detected a need to repair a (missing) partition but still that didn't bring back any additional capability : when feeding it the USB disk it doesn't identify a recovery image/partition to use and apply as factory reset, but I have no idea why.

I even tried to boot straight from the USB but after 1/2 hour wait time i gave up (the usb disk led was heavily flickering like on a usual data load, but the screen remained blank (or black should I say) for the whole time).

 

The question is, why does the boot and recovery CD not recognise the partition on the USB disk (the BIOS does see the connected disk)?  :-/

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466 Posts

05-28-2017

Canada

527 Signins

3503 Page Views

  • Posts: 466
  • Registered: ‎05-28-2017
  • Location: Canada
  • Views: 3503
  • Message 4 of 5

Re: Factory reset on T520

2018-10-13, 23:02 PM

it costs a lot of pesos to bundle recovery disks with a machine, so to push costs to consumers they use a hard disk partition

 

problem is not many have a spindle of blanks handy to make recovery disks

 

i have a USB DVD disk i have used a lot to make recovery disks for machines in the shop so in case the client wants to recover the OS to factory

 

I own: T400 T500 X220 running Windows 10 x64 & My X230 runs Linux for my webserver
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2 Posts

03-31-2019

Canada

1 Signins

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  • Posts: 2
  • Registered: ‎03-31-2019
  • Location: Canada
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  • Message 5 of 5

Re: Factory reset on T520

2019-03-31, 15:51 PM

Thank you for your post!!

 

I have a Thinkpad T520 with pre-installed win7, but after accidentally updated to win10, the blue thinkvantage button on the keyboard does not work anymore. And I even cannot use it to recover to win7 factory setting. I really do not like win10 and want to downgrade to win7.

 

Could you please give some ideas? thank you so much!

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