Question Wrong resolution/refresh rate

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Yerb

Jan 28, 2025
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Hello guys (i am a bit newbie when it comes to pc stuff) so recently i have encountered an issue, basically everything was working, until one day screen went black for a while and when it turned back on my nvidia app wouldn't work, i reinstalled and i realized that it started giving me wrong resolution/refresh rate, even the display name on nvidia control panel would show CM3316 with 1024x768 native and a 60 HZ.
my monitor is NEC MultiSync LCD1770vx
Windows 10
Nvidia Geforce GTX 1050 Ti
I use VGA to DP adapter ( tried different cables and adapters and still gives me the same result)
i updated my drivers ( monitor, display) to the latest available.
Sorry for my english, and if i forgot any important information as i mentioned im a bit noob when it comes to pc stuff, but been searching for days for a solution. thank you
 
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Yerb said:
Hello guys (i am a bit newbie when it comes to pc stuff) so recently i have encountered an issue, basically everything was working, until one day screen went black for a while and when it turned back on my nvidia app wouldn't work, i reinstalled and i realized that it started giving me wrong resolution/refresh rate, even the display name on nvidia control panel would show CM3316 with 1024x768 native and a 60 HZ.
my monitor is NEC MultiSync LCD1770vx
Windows 10
Nvidia Geforce GTX 1050 Ti
I use VGA to DP adapter ( tried different cables and adapters and still gives me the same result)
i updated my drivers ( monitor, display) to the latest available.
Sorry for my english, and if i forgot any important information as i mentioned im a bit noob when it comes to pc stuff, but been searching for days for a solution. thank you
Click to expand...
VGA to DP is likely the culprit. VGA is not natively compatible with DP.
 
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Install msi afterburner to get an picture of the temps and clocks, it might have killed itself by running too hot and only shows up as a basic vga now...

If you can, open the case and look if the fans still work, on my 1050ti the fans stopped working after years of usage, and while every OEM is different, broken fans are not uncommon.
 
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@williamjeremiah hit the nail on the head. Modern monitors can be queried by the GPU to ask them what their specs are. This uses an i2c protocol and is powered by the GPU itself (it works even if the monitor is powered off). This is the EDID data, and VGA does not have this (some people will tell you there is a version of VGA that has this, but (A) the monitor has to support it, and (B) this early revision of EDID does not seem to work on modern GPUs). DVI is intermediate because there are analog outputs which do not have EDID, and digital versions which do have EDID.

In the bad old days a "driver disk" had to be installed for every monitor because they were not "hot plug" (it is the wire with the i2c query of EDID that makes the monitor "hot plug"). This was not really a driver, but was instead a database of monitor timings (the real driver reads this database; lacking that, it falls back to defaults). If you truly have a DVI-D plug on the monitor, and if the cable is for DVI-D, then using that should help. Otherwise you are back in the "bad old days" of finding a driver disk and installing the database for the GPU to read.

That said, it is always possible something else is also going on.
 
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TerryLaze said:
Install msi afterburner to get an picture of the temps and clocks, it might have killed itself by running too hot and only shows up as a basic vga now...

If you can, open the case and look if the fans still work, on my 1050ti the fans stopped working after years of usage, and while every OEM is different, broken fans are not uncommon.
Click to expand...
this is what shows up.
9ahKCES.png
 
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LinuxDevice said:
@williamjeremiah hit the nail on the head. Modern monitors can be queried by the GPU to ask them what their specs are. This uses an i2c protocol and is powered by the GPU itself (it works even if the monitor is powered off). This is the EDID data, and VGA does not have this (some people will tell you there is a version of VGA that has this, but (A) the monitor has to support it, and (B) this early revision of EDID does not seem to work on modern GPUs). DVI is intermediate because there are analog outputs which do not have EDID, and digital versions which do have EDID.

In the bad old days a "driver disk" had to be installed for every monitor because they were not "hot plug" (it is the wire with the i2c query of EDID that makes the monitor "hot plug"). This was not really a driver, but was instead a database of monitor timings (the real driver reads this database; lacking that, it falls back to defaults). If you truly have a DVI-D plug on the monitor, and if the cable is for DVI-D, then using that should help. Otherwise you are back in the "bad old days" of finding a driver disk and installing the database for the GPU to read.

That said, it is always possible something else is also going on.
Click to expand...
i will try with a Dvi-D cable today aswell, hopefully everything goes back to normal. thank you guys
 
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