topic Re: Intel UHD 620 not detecting external display. in Graphics

Intel UHD 620 not detecting external display.

JTR-lab — Fri, 12 Jan 2024 19:59:28 GMT

Intel UHD 620 not detecting external display.

Lenovo X1 gen 7, 20QD, Windows 10 with Intel UHD Graphics 620.

I’ve used this computer for the last 3 years with an external display. A couple weeks ago it ran an update [Intel Software Guard Extensions Device and Software - 10 (1709 or Later)/11 (21H2 or Later) - 2.21.100.3 ] and immediately after the restart to complete the update my computer would no longer detect and project to external monitor.

“didn’t detect another display” message when trying to detect monitor.

I have done all of the troubleshooting I can find for this issue, it seems to be not an uncommon issue, you can find many threads on intel, Microsoft, and Lenovo forums for this issue, however I don’t think that I’ve seen a thread where anyone resolved this problem.

Here is a short summary of what I have done

The monitor works on a different laptop using the same HDMI cable.
A different monitor on does not work
Connecting the monitor with an HDMI-to-USBc adapter doesn’t work
Ran all windows, Lenovo, and intel updates
Uninstalled and deleted display drivers, reinstalled drivers from new download from Intel
Uninstalled and deleted display drivers, reinstalled drivers from new download from Lenovo
Refreshed default Bios settings
Updated BIOS
Fully Restored Windows 10
Ran all Windows and Lenovo updates
Ran Display Driver Uninstaller (DDU) followed by fresh download and install of display driver from Lenovo and intel – I’ve installed at least 3 different versions of Intel UHD graphics 620 driver (downloaded directly from either intel or Lenovo)
Ran intel driver & support assistant to find correct drivers

Looking more deeply in the device manager for display driver I see this message (and attached images):

Device PCI\VEN_8086&DEV_3EA0&SUBSYS_229217AA&REV_02\3&11583659&0&10 had a problem starting.

Driver Name: oem7.inf

Class Guid: {4d36e968-e325-11ce-bfc1-08002be10318}

Service: igfx

Lower Filters:

Upper Filters:

Problem: 0x0

Problem Status: 0xC00000E5

With any/all versions of intel grahics 620 [30.0.101.1338, 31.0.101.2125] I get a similar event that the graphics driver had a problem starting

I *need to be able to display to external monitor, I use this computer for many presentations.

Is this fixable?

If so, how?

If not, why did the intel update brick my graphics card?

Re: Intel UHD 620 not detecting external display.

PM_75 — Sun, 14 Jan 2024 13:39:18 GMT

Dear JRT-lab,

I have exactly (!) the same setup and the same problem since the last windows update (Jan 11 2024 - (KB5034123)). I use it though USB C, tried HDMI but both did not work. I already tried a few things on your list and am glad I found your detailed description - so I did not go through all of it but deinstalled the windows update.

This did it for me and I can use my external monitor again.

PM_75

Re: Intel UHD 620 not detecting external display.

JTR-lab — Sun, 14 Jan 2024 18:30:28 GMT

Update: I fixed it!

The solution was fairly complicated.

It seems there were issues with a BIOS and ECP version mismatch [which seemed to be caused by a recent Windows/Intel/Lenovo update].

The fix: sequentially reflash the BIOS and confirm that the BIOS and ECP are in sync. Here is the order that I needed to go through:

BIOS/ECP versions:

1.09/1.05

1.58/1.25

1.59/1.26

I got the BIOS installs from Lenovo https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-7th-gen-type-20qd-20qe/20qd/20qd0000us/pf1qk23m/downloads/ds540232-bios-update-utility-bootable-cd-for-linux-windows-10-64-bit-thinkpad-x1-carbon-7th-gen-x1-yoga-4th-gen?category=BIOS%2FUEFI

Here is a helpful thread on the Lenovo Forum that has the solution:

https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/No-Output-to-External-Monitors-after-Firmware-Upgrade-12-93-2331/m-p/5280604?page=1