How to solve problems with laptop gigabyte Aero15WA and monitor DellU2913WM recognition?
Explaining the problem
I experienced a case where Windows 10 and 11, which I've only heard of, did not properly recognize external monitors.
Googling has a variety of solutions. However, it is not unconditionally solved.
Write down briefly about how you failed and how you succeeded in applying the solution.
For your information, the laptop I use is Gigabyte Aero15WA / The monitor is Dell U2913WM.
My laptop supports Thunderbolt 3 (DP 3.1), but I just connected HDMI and used it. You don't have to buy cables that are more than three times more expensive.
Failed 1. Replacing HDMI cable
I replaced it with a cable that I used for other purposes, but it was still not recognized.
When I connected another device to the same cable, the screen came out well.
In other words, it is not a cable problem.
Fail 2. Delete the problematic monitor from the device manager
Delete right-click > device manager > problematic monitor (it appears to be a generic pnp monitor) above the window button.
Afterwards, I thought the system would re-recognize the monitor and hold it properly. But there was no significant difference.
Fail 3. Remove all cables from the monitor and reconnect
1) Remove all cables from the monitor, wait 10 minutes, and connect.
2) The HDMI cable of the monitor is connected, unplugs the power cable, waits for 10 minutes, and reconnects.
It hasn't been resolved. (Only my hands hurt because I had to take out the cable.)
Failed 4. Manual installation of monitor driver
I downloaded the driver for the monitor (Dell U2913WM) from the support page of the Dell official website.
1) Let's decompress it in the right place.
2) Device Manager > Right-click on the problematic monitor > Update Driver > Browse drivers in My Compute > Select directly from the list of available drivers on your computer > Select folders with inf files in disk > 1) Select Dell U2913WM (HDMI)
It is properly recognized as Dell U2913WM, but the screen still only shows low resolution.
Fail 5. Graphic driver forced resolution
The Nvidia control panel allows users to arbitrarily add monitor resolution. (If you google, you'll get a lot of results.
So at first, I made 1920x1080 32 bits.
Oh! It changes to the resolution I want!
With courage, we will create and apply the monitor's maximum resolution of 2560 x 1080 (WFHD). At the same time as the monitor turned off, the monitor disappeared from the system. Failed.
Fail 6. Delete the graphic driver and install it
You can cleanly delete graphic drivers with a program called Display Driver Uninstaller (DDU). When I booted into Windows safety mode and ran it, it was handled neatly.
And I installed the official graphic driver provided by the laptop manufacturer. (Downgrade the graphic driver)
Yes. I failed this time, looking good to see.
Failed 7. Restoring the system
I found an article saying that Windows update is a problem.
So, as a system restoration function, it was restored to a week ago.
In conclusion, it failed. The program I installed for a week and the file I downloaded to the download folder were deleted.
Failed 8. Windows 11 Clean Installation
I think the system is twisted tightly even if it is twisted because it has been used for too long.
Since I'm going to change it, I'm going to go to the latest model and try to install 11 clean.
But nothing has been solved.
Finally Success. Thunderbolt 3 (DP 3.1) Using cable
Continuing and failing, I eventually thought that some of the components of the monitor were broken.
But repairing was not an easy task.
Del monitors are expensive to repair after the warranty period is over.
In order to self-repair, parts need to be extracted from the broken U2913WM, but there were no AD board parts on eBay in the U.S.
So, finally, I decided to test the DP cable.
The test was a great success. Like this, I failed in 8 ways and succeeded in 1 way.