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So, basically you're best to start by using DDU to remove any traces of old drivers. Then download and run the Nvidia installer for the 474.11. Let it fail but do not close it down. Go to your C: drive and find the NVIDIA folder. Copy and paste this in the same C: drive. It will auto-name itself NVIDIA - Copy Close down the failed installer and the NVIDIA folder should disappear and you're left with the NVIDIA - Copy folder The original NVIDIA folder is protected and you can't save any changes. The Copy is not. Navigate into the Display.Driver folder. Scroll down and find and open the nvdmi.inf Scroll down to find the first list of hardware ID's. Note: There are multiples of these list for different operating systems Copy and paste this line anywhere in the list. The Section# doesn't matter %NVIDIA_DEV.1BA1.0550.1028% = Section001, PCI\VEN_10DE&DEV_1BA1&SUBSYS_05501028 Scroll down further and there will be a small break and the list will start again. Paste the above line in this list as well. Scroll down to the end of this list and see if another list of ID's starts again and do the same. Drivers around this era had support for Windows 7, 8 and 10 so that's why there could be 3 lists of ID's so it's best to put your modded line in each of them just to be sure. Then quick scroll almost right down to the bottom and find the list of Strings. Copy and Paste this line in there. NVIDIA_DEV.1BA1.0550.1028 = "NVIDIA GeForce GTX 1070" Save and exit the inf and folder. Restart the laptop with Disable Driver Signature Enforcement. For Windows 7, I believe you just hit restart and then spam F8 to get into the hidden Advanced Menu. Select the option for Driver Signature Enforcement. Once the system starts up you just go to the NVIDIA - Copy folder and into the International folder and double click on the Setup.exe at the bottom of the list. If you've done things right then it should pass the compatibility test and start installing. Then a red/white warning will pop up and you just have to accept it to complete the installation.

I replaced the BIOS chip and the problem was resolved. I was going to try to figure out how to program it myself, but it was turning into too much of a time suck, so I just grabbed one of the pre-programmed ones for 20-something bucks, if I recall. It was a fair amount of work, but I figured the laptop was worth it since it's something of a legend, lol

In this thread you can post your requests for Lenovo ThinkPad X240. If someone wants upgrade Wi-Fi card and remove whitelist, or unlock hidden advanced menus and settings in bios setup menu, or upgrade to new display (and don't lost a brightness control), then you can post your request in this thread. Important! For creating your personal bios dump and to flash your bios mod, you must use any SPI programmer (like CH341A programmer) and a SOIC8/SOP8 test clip! Just dump your Bios using any SPI programmer (like CH341A programmer) and a SOIC8/SOP8 test clip, then post it in this thread or upload it to any fileserver and send me the link. CH341A programmer: https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2322090.m570.l1313&_nkw=USB+Programmer+Ch341&_sacat=0 https://www.amazon.com/s?k=ch341a&ref=nb_sb_noss_2 SOIC8/SOP8 test clip: https://www.ebay.com/itm/Soic8-Sop8-Flash-Chip-Ic-Test-Clips-Socket-Adpter-Bios-24-25-93-Programmer/201414947737?hash=item2ee5443399:g:up8AAOSw1Fda8qkt https://www.amazon.ca/programming-EEPROM-Programmer-EZP2010-RT809H/dp/B075CGH1X1/ref=sr_1_18?dchild=1&keywords=SOIC8+clip&qid=1631766855&s=electronics&sr=1-18 How to use it: Also, you can search on YouTube a lot of guide for CH341a.

Hi! Ok. Your unlocked bios done. Check PM.

My Desktop P.C: AMD Ryzen 7 5800X MSI MPG X570 Pro Gaming Carbon Wifi Motherboard (all the buzz words ), 32GB Teamgroup T-Force Xtreem ARGB 4000MHz CL18 (4x8GB single rank), Nvidia Geforce RTX 3080 FE Sabrent Rocket 4 Plus 1TB pci-e 4.0 nvme + Corsair MP600 Core 2TB pcie 4.0 nvme SSDs, Seagate Barracuda 8TB HDD Corsair RM1000 PSU (the only time "future-proofing" has ever worked for me) My bedroom P.C: AMD Ryzen R5 3600 MSI MPG B550 Gaming Edge Wifi Motherboard 16Gb Corsair Vengeance RGB pro 3600MHz DDR4 memory (2x8GB) Nvidia 1650 Super Samsung 970 Pro 1TB nvme ssd + Corsair MP600 Core 2TB nvme SSDs, Seagate Barracuda 4TB HDD Antec Earthwatts Platinum 550w PSU Laptop: Dell Inspiron 15 7559, Intel i7-6700hq, Nvidia GTX 960m, WD Green 480GB Sata III M.2 drive (primary), 1TB Mech HDD (OEM) Older laptop: Intel i7-3520m Nvidia 640le (gimped) 256GB SSD (OEM with proprietary connector) 1TB Crucial MX Sata SSD in O.D.D bay adapter.