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Thinkpad T420 factory reset

T400/410/420 and T500/510/520 series specific matters only
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Bonjon2019
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Joined: Wed May 01, 2019 4:23 pm
Location: London, UK

Thinkpad T420 factory reset

#1 Post by Bonjon2019 » Wed May 01, 2019 4:31 pm

Hi all first time post so hope it's in the correct place.

I have a thinkpad T420 that I used for work but have now left there but still have the laptop.
I can no longer log into it as I believe its connected to the work domain and user name/password dont work.

I dont want anything on the laptop just want to factory reset it so my daughter can use it for school work.

I only have the laptop . No discs or anything.
Is there anyway I can access to reset the lot and start again for her to use it? :help:

Thinkpad4by3
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Re: Thinkpad T420 factory reset

#2 Post by Thinkpad4by3 » Wed May 01, 2019 4:57 pm

Welcome!

If you can get some blanks DVDs and a burner, you can get the recovery discs from forum members. If that doesn't work, you can make a flash drive of Windows 7 and install that. Then you can use Lenovo System Update to install all the proper drivers.
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Bonjon2019
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Joined: Wed May 01, 2019 4:23 pm
Location: London, UK

Re: Thinkpad T420 factory reset

#3 Post by Bonjon2019 » Wed May 01, 2019 5:11 pm

I do have access to another computer and can get some blank DVDs (which ones to get?)

How do I do it?

skx
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Re: Thinkpad T420 factory reset

#4 Post by skx » Sat May 11, 2019 5:15 pm

Bonjon2019 wrote:
Wed May 01, 2019 5:11 pm
I do have access to another computer and can get some blank DVDs (which ones to get?)

How do I do it?
I am speaking against my conviction now as I am a linux fanboy :mrgreen: your T420 should have an official windows license under the battery, most probably a win7 pro licence. I advice you to download a clean windows 7 iso from the microsoft website and to install a fresh win7 with your pro key. once installed, you officially upgrade the win7 pro install to win10 pro.

if you have budget left, you first install a nice SSD, better to buy a good quality one with fewer capacity than a large capacity low budget SSD. your T420 comes hopefully with one 4GB ram module, if so, buy a similar ram module on ebay to have double ram of 8GB. for 50a70eur you she can have a hell of a beast which will still last for a couple of years. these are still nice machines to use as cheap desktops.
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MikalE
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Re: Thinkpad T420 factory reset

#5 Post by MikalE » Sat May 11, 2019 7:13 pm

If you perform a clean .iso install make sure you download and store the wi-fi card drivers on a thumb drive, DVD, or external drive so you can get online and upgrade the rest of the drivers.

I like doing it this way as it eliminates the bloatware the factory install disc contains.
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Re: Thinkpad T420 factory reset

#6 Post by RealBlackStuff » Sun Jun 02, 2019 2:31 am

Check the MarketPlace forum, 1st or 2nd post.
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skx
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Re: Thinkpad T420 factory reset

#7 Post by skx » Sat Jun 08, 2019 4:57 pm

moharchi71 wrote:
Sat Jun 01, 2019 11:29 pm
Bonjon2019 wrote:
Wed May 01, 2019 4:31 pm
Hi all first time post so hope it's in the correct place.

I have a thinkpad T420 that I used for work but have now left there but still have the laptop.
I can no longer log into it as I believe its connected to the work domain and user name/password dont work.

I dont want anything on the laptop just want to factory reset it so my daughter can use it for school work.
Speed Test Scrabble Word Finder Solitaire
I only have the laptop . No discs or anything.
Is there anyway I can access to reset the lot and start again for her to use it? :help:
I bought a ThinkPad T420s used and the SSD was blank. The Windows 7 key is on the bottom of the machine. Where can I download a factory image ISO? I do not want a generic Windows 7 install, I want the machine to be as if it just left the factory. I tried making Lenovo recovery media, but it complains about how the"Product Recovery Partition has been removed from this system". Please help!
https://www.microsoft.com/en-us/softwar ... d/windows7
ThinkPad X220: i5-2520M CPU 2.5GHz - 8GB RAM 1333 MHz - SSD 860 EVO 250GB - Debian - ME_cleaned
ThinkPad X230: i5-3320M CPU 3.3GHz - 8GB RAM 1600 MHz - SSD 860 EVO 500GB - Debian - ME_cleaned

sktn77a
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Re: Thinkpad T420 factory reset

#8 Post by sktn77a » Sat Aug 17, 2019 6:53 pm

You should be able to download the Windows 7 ISO from the link above. Just be patient, it's very slow. Just make sure it corresponds to the product key in the battery compartment of your T420 (ie Pro or Home Premium). Use the 64 bit version. Then download the wi-fi driver for your card on another computer and install ti on the T420. Now you can download all the other drivers for your machine as described above.
Keith
(Formerly 600E, T40, T41, 2xT42, 2xT61p, T420
Currently 4xT430, 2xT460, H520S, Ideapad K1)

sktn77a
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Location: Chapel Hill, NC

Re: Thinkpad T420 factory reset

#9 Post by sktn77a » Sun Aug 18, 2019 10:34 am

You can also download Windows 10 and install it on your computer. The product activation key stored in your existing OS will be used to activate Windows 10. If not, just use the Windows 7 key in the battery compartment.

https://www.microsoft.com/en-us/softwar ... /windows10
Keith
(Formerly 600E, T40, T41, 2xT42, 2xT61p, T420
Currently 4xT430, 2xT460, H520S, Ideapad K1)

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