Windows 10: Monitor stuck at 1024x768

I just got new pc with 1050 ti and after plugging it(with vga to hdmi) my monitor (1920x1080) is stuck at 1024x768, this monitor is working perfectly because i used it on different pc and it worked.

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:)

 

Resolution stuck at 1024x768

I have an nVidia GTX 560 paired with a S23A550H samsung monitor and my resolution when using an HDMI cable has been stuck at 1024x768 even though my monitor supports up to 1080p (and is working perfectly).

When I connect the monitor through a VGA cable + DVI adapter it unlocks all the resolutions for me to choose but then the image is bad due to the VGA cable.

Things I've done so far:

a) Completely re-installed Windows (updated from Windows 7 to Windows 10);

b) Installed monitor driver;

c) Updated Chipset drivers;

d) Different HDMI cables;

e) Changed the slot for the graphic card;

f) Tried changing resolution via registry (found the strings on my own, changed then and it was still 1024x768 after restarting);

g) Obviously updated and unistalled and re-installed nVidia drivers.

h) Also tried to create a customized resolution via nVidia control panel but it did not work.

It all started when I got an old 20" monitor to replace my now-fixed monitor. It defaulted to 1024, allowing me to change resolutions back to normal just once which is weird. Since then, even when plugging my newer monitor, the resolution has been stuck
at 1024.

I'm thinking at this point it may be a graphic card issue but I'm completely lost. Any help would be appreciated.

Thanks

 

Overclocking / Undervolting guide for Vega 56 or 64?

Here's a quick laundry list:

List of software to use for overclocking and testing
Examples:
Wattman (and how to find and use it, like an overview, including profiles)
Unigine Valley or Heaven (use this for quick testing while changing settings in Wattman and checking for stability / artifacts) ...just suggesting this
How to monitor cores / mem speeds and temps during testing (I've seen screen overlays, and others using GPUz)

Step-by step overclocking in Wattman
Fan speeds
Power limit
Temp limit
Voltages
Core speeds
Memory speeds

 

Resolution is 1024x768 instead of 1336x768

The purpose of the installer is to place LG HD 16.inf and LG HD 16.icm in the right locations.

I'm not sure that I have ever seen a monitor show up as a "Generic Non-PnP Monitor". Generic PnP (plug and play), yes.

Here are some suggestions: https://forums.tomshardware.com/thre...nitor.1935333/

It may be as simple as a bad VGA cable. Particularly if you got the same thing with two different graphics cards.