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141 Posts

11-12-2019

Israel

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  • Message 11 of 52

Re:P73 owners: have you upgraded to 2004/20H2 successfully??

2020-12-03, 20:35 PM

It is an interesting bug, but apart from that - it is in your best interest to stay on the older OS version as long as possible, unless there is some specific feature in the newer version that you desperately need. In fact, the main difference between Windows 10 Pro and Windows 10 Home is the existence of a setting [in the Pro version] that allows you to arbitrarily (up to 365 days) delay the installation of new releases. And it is a *very* good idea to do so, and perhaps delay even further if possible, if you value the stability of your machine. New Windows 10 releases are buggy, and Windows 10 Home users have no choice but to serve as Microsoft's QA team. Why would you want to voluntarily become a part of it?

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2641 Posts

06-13-2013

United States of America

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  • Message 12 of 52

Re:P73 owners: have you upgraded to 2004/20H2 successfully??

2020-12-03, 21:02 PM

I understand what you're saying. And I really do agree. In fact I had postponed going from 1909 to 2004 for all my machines, after reading of many Lenovo users having problems after making that upgrade.

It was only when 20H2 came out and apparently MS then "forced" the upgrade to at least 2004 even if you chose to defer 20H2, that I decided WTH I might as well go to 20H2 where they probably have now fixed whatever was broken by 2004.  And so far, no problems... aside from this MS bug relating to "upgrade blocker" for the P73 and other newer machines (probably relating somehow to Thunderbolt).

As it turns out there is apparently one additional method (confirmed successful on a T470) to absolutely force the "in-place upgrade" method, which is running while operating under 1909 Win10 the SETUP.EXE file from the root of the inserted [bootable] external USB flash drive which contains the complete 20H2 Win10 installation media on it. The bootable USB install media would normally be used to do a complete from-scratch cold install of 20H2 Win10, but if you run SETUP.EXE from it while booted to an older Win10 that accomplishes the "in-place upgrade" total replacement of the older Win10 with the newer Win10, while still retaining all of your currently installed programs.

Now I had attempted this "in-place upgrade"method but it, too, had failed with the "upgrade blocker" STOP issue. But apparently the "trick" to overcome this is to pull out the ethernet cable and/or disconnect from WiFi internet access in order to prevent "updates" from occurring. Normally an install will also check with MS for any updates, which is where the defective "upgrade blocker" is involved and results in the STOP. But if you prevent access to the internet then the updates cannot be performed, and the defective "upgrade blocker" cannot get downloaded and make itself present.

So this would result in a new install of "base 20H2 Win10", as available from MS directly, with no further later Windows Updates installed at the same time. So you finally do get to 20H2 (thus bypassing the "upgrade blocker" effect).  And now normal Windows Updates will kick in, which themselves are not affected by the defective "upgrade blocker".

At least that's the theory. For sure the T470 did make it to 20H2 using this method. I haven't yet tried my P73 to see if I can duplicate this result, and then if after that normal Windows Updates will retrieve all the more recent updates which need to be applied since the "base 20H2 Win10" install media (and which is on the external USB flash drive) was created.

Of course all of this is just if I wanted to be "aggressive". I really could/should just wait for it all to be corrected officially, as it is obviously a bug that the P73 and other newer machines will not move beyond 1909 on their own. At least Lenovo is now well aware of this issue, and is keeping watch to be sure it gets resolved.

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1464 Posts

06-08-2013

Spain

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  • Message 13 of 52

P73 owners: have you upgraded to 2004/20H2 successfully??

2020-12-04, 14:47 PM
Update all your drivers and BIOS and it should be working. Or you could force the upgrade by downloading and running the iso file using the Windows Media Creation Tool.

Kind regards,

Jonas Hendrickx

Lenovo Insider, Windows Insider MVP

 

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2641 Posts

06-13-2013

United States of America

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  • Message 14 of 52

Re:P73 owners: have you upgraded to 2004/20H2 successfully??

2020-12-04, 18:55 PM

It is NOT WORKING. Everything on the P73 (as well as the Lenovo inside T470, T480 and T490) are UP TO DATE. Current drivers and BIOS for everything.

The problem is the MS "upgrade blocker" bug, not the PC itself. It's a BUG!

As I have described earlier in this thread, I have tried THREE DIFFERENT WAYS to "force" the upgrade, including using the Win10 download installation media (in two different ways, both of which were certainly expected to work but again failed).

The only remaining "forcing" method which I have not yet tried but which hopefully can be tried this weekend, is as I described just above. I will disconnect the P73 from the internet and then while running current Win10 1909 run the SETUP.EXE from the 20H2 Win10 installation media on the USB flash drive I put on it from the Win10 install media download page. That should accomplish the "in-place upgrade" of 1909 to 20H2, while at the same time preventing downloading any additional Windows Updates, specifically preventing the flawed defective MS "upgrade blocker" bug from arriving.

So that fourth method should get me upgraded to 20H2, cleverly avoiding the "upgrade blocker" bug itself. And from then on I can reconnect to the internet and get the rest of the Windows Updates of late.

That's the theory, and that's the plan. We shall see if this succeeds.

It has nothing to do with currently installed drivers or BIOS on my P73.

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64 Posts

03-16-2016

United States of America

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  • Message 15 of 52

Re:P73 owners: have you upgraded to 2004/20H2 successfully??

2020-12-09, 20:28 PM
@DSperber -- I have this exact same problem with my P53 with i9-9880H CPU. I've had no success upgrading to 20H2 from Win10 1909. I've tried everything over the last couple of months except a clean install. I keep my laptop drivers and BIOS up to date as they are released, so that isn't an issue. Please post if you come across a solution.
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461 Posts

12-24-2011

United Arab Emirates

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  • Message 16 of 52

Re:P73 owners: have you upgraded to 2004/20H2 successfully??

2020-12-11, 18:47 PM

@DSperber what CPU do you have in your P73? Maybe the upgrade blocker is triggered by certain CPU:s like i9 or Xeon?

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7 Posts

12-12-2020

Canada

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  • Message 17 of 52

Re:P73 owners: have you upgraded to 2004/20H2 successfully??

2020-12-12, 4:32 AM

Hello Folks, the Win10 20H2 blocker has just been removed. I tried to update my P73 this PM and it failed but just tried again and the 20H2 update (from 1909) is going on while I write these words.

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2641 Posts

06-13-2013

United States of America

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  • Message 18 of 52

Re:P73 owners: have you upgraded to 2004/20H2 successfully??

2020-12-12, 16:35 PM

@ jlamontagne wrote:

Hello Folks, the Win10 20H2 blocker has just been removed. I tried to update my P73 this PM and it failed but just tried again and the 20H2 update (from 1909) is going on while I write these words.

Not so lucky with my P73. With current state 1909 I did a Windows Update "check for updates". Nothing new came back. And it still showed that "2004 is on its way, and as soon as it's ready for your device we'll let you know". That's still the advice about 2004, not 20H2!

So I decided to retry the "in-place upgrade" method, which runs SETUP.EXE from the USB flash drive containing 4GB Win10 20H2 install media (to avoid the 4GB download from the internet, since internet speed is an issue). Seemed to be working, and I never noticed any mention late in the process of a hardware conflict preventing install as I'd seen previously. So I was optimistic.

Then it actually rebooted to complete the application of updates, which I took to mean it still was moving along in the right direction. But when it eventually finished and brought Windows back up, it was still at 1909!!!  I don't understand. And of course Windows Update was right where it was before, mentioning the upcoming 2004.

So I'm now trying the other method, of doing exactly the same "in-place upgrade" but with no internet connected. This is supposed to prevent the defective upgrade blocker from coming into play, but I'm not convinced. Anyway, that is proceeding at the moment, as I write this. Don't know how it will end up.

Worst case I have an image backup from just before these attempts began, to restore to if necessary.

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64 Posts

03-16-2016

United States of America

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  • Message 19 of 52

Re:P73 owners: have you upgraded to 2004/20H2 successfully??

2020-12-12, 16:52 PM

The 20H2 showed up this morning in Windows Update as available to install. I'm at 97 % complete with the install right now. I'll update if it completes successfully or not.

 

Update:  Update failed after installation rebooted to finish the install.  Update stalled at 48% and blue screened with "Stop code: DPC_WATCHDOG_VIOLATION"

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2641 Posts

06-13-2013

United States of America

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  • Message 20 of 52

Re:P73 owners: have you upgraded to 2004/20H2 successfully??

2020-12-12, 17:56 PM

Update on my second "in-place upgrade" try (with no internet connection): NO SUCCESS either.

This time it actually stopped late in the install process (as it has done before), talking about a "hardware conflict" or something like that. Just as before.

It backed out of the unsuccessful upgrade, and I'm back at 1909 again.

This tells me it is not the "errant upgrade blocker" that is something NEW which is getting newly downloaded right now that is defective. It tells me that this "errant upgrade blocker" has been installed with some previous Windows Update applicable to 1909, earlier this year back in June when the P73 was purchased and I upgraded it (successfully) from the delivered 1903 to the new target 1909. I have been looking at "2004 is soon going to be available) ever since June, and never able to get past 1909 now having used four separate manual forcing methods.  Nothing's worked.

And yet, Lenovo's "20H2 compatibility" page claims the P73 WAS compatible with 20H2 earlier in the year. Supposedly the "errant upgrade blocker" patch from MS came out sometime later in this year 2020, which is the Lenovo explanation for how it could have been tested and passed as "compatible" and yet obviously no longer is.

I don't know why my P73 hasn't yet received the updates now reported by two users here, which suddenly allowed the upgrade to 20H2 to at least be started (even if it didn't end in success). For me I still only see "2004 is coming".

I will report my latest failures to Lenovo, whose lab P73 also is still stuck at 1909.  I will also try to re-contact MS on the supposedly still open ticket on this issue that I opened last month. We were hoping the rolled-out MS fix (which supposedly occurred on Nov 30) would truly solve this. But apparently it is not the universal fix for this problem that might have been hoped for. There must be some other hardware-related issues that cause it to be needed on some machines, or applicable as a real fix on some machines but not others.

So, as of right now, still no progress for my P73.

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