Windows 10: I just upgraded my laptop to windows 11. i am now locked out of the laptop.

I have had this laptop for 5 years. I dont remember the outlook email or even setting it up, i have always used my pin to log into my laptop. I cant use the pin to log into the laptop as it is now stating " Your pin is no longer available due to a change to the security settings on this device. You can set up your pin again by going to Settings > Accounts > Sign-in options"I tried a few passwords that i remember for older stuff to log into the supposed miscrosoft outlook account i have on the laptop... and now it is saying that i locked my account Sign-in is blockedYou've tried to

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Best laptop under $800??

Well the last one I suggested seems to be the best for 650$

EDIT: to facilitate your search...

Laptop GFX benchmark list

Laptop CPU Benchmark list

 

Can't upgrade laptop to Windows 10

Thanks for the suggestion.

I tried Windows Defender and discovered it was not turned on and when I tried to turn it on it would quickly turn itself off again. I used another anti-virus program to check out the laptop but it found no problem. Obviously this laptop has some problems.

My next step is to put the original drive back into the machine and try the Windows 10 upgrade from that and if that also fails do a restore of this laptop to the original Windows 7.

 

Core 2 Duo for laptop CQ40-314TU

I have found something about CPU Upgrade on the Intel's Website, the manufacturer of my laptop's chipset (GM45 Chipset). Currently, the CPU which this laptop is using (Dual Core T3400) is NOT in this list: http://ark.intel.com/chipset.aspx?familyID=35509
The laptop's chipset also support Core 2 Extreme Technology, which I think the latest CPU Technology.
I have another laptop called Acer Aspire 5572ANWXMi that is using the chipset 945GM which support the T7600 (like you suggested) and it is in this list: http://ark.intel.com/chipset.aspx?familyID=22816