Macbook doesn't support max. resolution of external display and detects 21" monitor as 47"

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Level 1

8 points

Macbook doesn't support max. resolution of external display and detects 21" monitor as 47"

I'm using an old Fujitsu monitor for a second display. I'm connecting the monitor with a VGA to Type-C adapter. However, I can't get the monitor's highest resolution value which is 1600x900@60Hz. I checked the adapter with another laptop, it worked just fine. I tried resetting NVRAM, starting on Safe Mode, using 3rd software but none of it worked.

After that I checked and saw that my laptop is seeing the display as 47". I don't know if that's because of the scaling but I thought it might be useful information.

I'm running on macOS Catalina 10.15.2, I tried holding down option and clicking the scale button on displays menu, 1600x900 was not on the list.

I would really appreciate it if anyone could help me, thanks in advance.

MacBook Pro 13", macOS 10.15

Posted on Apr 18, 2020 12:54 AM

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Answer 1

chloki Author

Level 1

8 points

Apr 18, 2020 10:20 AM in response to Lanny

Oh I didn't know that, thanks a lot. I was actually referring to that I use a HD15 interface, I checked the manual of the monitor and it says it supports 1920x1080. I have used the same monitor with the same cable over several computers and they all worked at better resolutions than I work with now (which is 1280x800 without stretching or cropping).

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Answer 2

Lanny

Level 6

13,207 points

Apr 18, 2020 8:08 AM in response to chloki

Pretty sure that VGA can't support that resolution at 60 Hz.

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Macbook doesn't support max. resolution of external display and detects 21" monitor as 47"

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