Its an old 2011 who is only Apple supported to 10.13:
Hardware Overview:

  Model Name:	MacBook Pro
  Model Identifier:	MacBookPro8,1
  Processor Name:	Intel Core i7
  Processor Speed:	2.7 GHz
  Number of Processors:	1
  Total Number of Cores:	2
  L2 Cache (per Core):	256 KB
  L3 Cache:	4 MB
  Hyper-Threading Technology:	Enabled
  Memory:	8 GB
  Boot ROM Version:	87.0.0.0.0
  SMC Version (system):	1.68f99
  Serial Number (system):	C02G669EDRJ9
  Hardware UUID:	DC85D6C6-A8B9-506A-8753-3AA32ACDA180
  Sudden Motion Sensor:
  State:	Enabled

Graphics/Display:
Intel HD Graphics 3000:

  Chipset Model:	Intel HD Graphics 3000
  Type:	GPU
  Bus:	Built-In
  VRAM (Dynamic, Max):	512 MB
  Vendor:	Intel
  Device ID:	0x0126
  Revision ID:	0x0009
  Displays:
Color LCD:
  Display Type:	LCD
  Resolution:	1280 x 800
  UI Looks like:	1280 x 800
  Framebuffer Depth:	24-Bit Color (ARGB8888)
  Main Display:	Yes
  Mirror:	Off
  Online:	Yes
  Rotation:	Supported
  Automatically Adjust Brightness:	No


Really I don't use the MVC very much, so is not very important to me, I also have an Pi 3B+ who can use.

> On 13 Aug 2022, at 11:29, Bruce O'Neel <bruce.oneel at pckswarms.ch> wrote:
> 
> Hi,
> 
> So which Mac Power Book?
> 
> I'm trying to track down info about the display.
> 
> It might help to run System Report, or what 10.14 called it to see the info about the display.
> 
> cheers
> 
> bruce
> 
> 
> <Screenshot 2022-08-13 at 18.24.53.png>
> 
> On 2022-08-13T17:33:42.000+02:00, Javier Diaz-Reinoso <javier_diaz_r at mac.com <mailto:javier_diaz_r at mac.com>> wrote:
> 
> 
>> On 13 Aug 2022, at 02:21, Bruce O'Neel <bruce.oneel at pckswarms.ch <mailto:bruce.oneel at pckswarms.ch>> wrote:
>> 
>> Hi,
>> 
>> So it does work ok on 10.15.  I guess you stay on 10.14 because 10.15 doesn't work on your mac, right?
> Yes
>> 
>> I did see these sorts of problems when we were working towards a release and it might be related to the HDPI code that was put in.  Is it possible to try changing the resolution of the screen and see if that fixes it?
>> 
> No, this is a MBP 1280x800 I can only change to 1152x720 or 1024x840 neither works.
> Testing in 5.3 I see the Quit entry in the mac menu also don't work to exit the image (why?) so that is not relevant. 
>> Also, what is the display?  
> Only the gray background:
> 
> <Screen Shot 2022-08-13 at 10.17.12.png>
>> 
>> Thanks.
>> 
>> bruce
>> 
>> fbe1c8cdc44f10e9e2867310e1395ab2 at infomaniak.com <mailto:fbe1c8cdc44f10e9e2867310e1395ab2 at infomaniak.com>"><Screenshot 2022-08-13 at 09.17.54.png>
>> 
>> On 2022-08-12T21:02:21.000+02:00, Javier Diaz-Reinoso via Squeak-dev <squeak-dev at lists.squeakfoundation.org <mailto:squeak-dev at lists.squeakfoundation.org>> wrote:
>> I download Squeak6.0-22104-64bit.dmg, extract app, run, skip configuration, menu Create MVCProject, enter, click but the main menu don't open, I need to Force Quit to exit the image.
>> 
>> Tested Squeak6.0-22104-64bit-202206021410-Windows-x64 in VirtualBox Win10 and that works OK, so is probably a VM bug. 
>> 
>> Mac is in Mojave 10.14.6.
>> fbe1c8cdc44f10e9e2867310e1395ab2 at infomaniak.com <mailto:fbe1c8cdc44f10e9e2867310e1395ab2 at infomaniak.com>"><Screenshot 2022-08-13 at 09.17.54.png>
> <Screenshot 2022-08-13 at 18.24.53.png>

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