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blackxacto

macrumors 65816
Original poster
Jun 15, 2009
1,217
138
Middle TN
Both external disks connected by Thunderbolt 3 and USB3.1 to my 19,1 iMac Catalina 10.15.4 have been made both readable and writable by me the owner. I used the Apple+I window to do this. It is strange that I CAN CHANGE the ICONS of my internal 2TB SSD & my Time Machine Thunderbolt connected 1TB HD, but not the external drives that I use for extra backups. I have removed SIP protection, and tried to change the ICONS, but it did not work, so added back SIP. LiteICON app does not work.

Anyone know how to change the disk icons on these external disks?
 

TimothyR734

macrumors 68030
Apr 10, 2018
2,723
2,753
Logsden Oregon
If you have shortcuts to your external hdd/ssd on your desktop right click on the drive you want to change the icon for then click get info the click on the icon at the top like in the screen shot the drag the icon you want to use and place it in the highlighted area like in the screenshot
Screen Shot 2020-05-11 at 6.36.29 PM.png

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then enter your password and it should change it
 

TimothyR734

macrumors 68030
Apr 10, 2018
2,723
2,753
Logsden Oregon
well that was the way I was told as I do't have an Apple button on my keyboard only command-option and control, you might need to run sudo kill all finder in the terminal possibly to make the change
 

TimothyR734

macrumors 68030
Apr 10, 2018
2,723
2,753
Logsden Oregon
It is a protected system file that is part of the change in Catalina It is in the Catalina-Data drive which is restricted so we can’t make changes
 

flowrider

macrumors 604
Nov 23, 2012
7,318
2,999
It is indeed an issue with Catalina:


I seem to have gotten around the problem by erasing the drive and changing the icon while the drive is MT, then cloning the drive using SuperDuper.

Lou
 

blackxacto

macrumors 65816
Original poster
Jun 15, 2009
1,217
138
Middle TN
It is a protected system file that is part of the change in Catalina It is in the Catalina-Data drive which is restricted so we can’t make changes
So how did i change my internal ssd and time machine external disks icons? But mot these two drives.
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It is indeed an issue with Catalina:


I seem to have gotten around the problem by erasing the drive and changing the icon while the drive is MT, then cloning the drive using SuperDuper.

Lou
Lou, what is MT?
 

ignatius345

macrumors 604
Aug 20, 2015
7,588
12,951
Are you sure the icon you're using is square? The pixel dimensions have to be the same on both axes (so, an icon that's 400 x 550, for example) or it won't work. I can't remember when this started being necessary, but it really threw me until I found the answer.

I've changed tons of icons on Catalina -- for the boot drive and anything else -- and have never had to disable SIP or kill the Finder or any of that other stuff.
 

Gravydog316

macrumors 6502a
May 17, 2016
564
200
Canada
It's been a regular issuefor years... i changed my external HD to a custom, then it changed to a Time Machine backup icon, then a regular external HD icon, then a plain silver MacHD-style icon, & repeat...

plus, the icons probably changed/updated/reset with each macOS release (?)
 

blackxacto

macrumors 65816
Original poster
Jun 15, 2009
1,217
138
Middle TN
^^^^say MT like it sounds = empty 😇

Lou
Good Lord, James. What are you a puzzle master, holy cow, i sat there saying mt over and over. Jeeesh, you bozo.
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Are you sure the icon you're using is square? The pixel dimensions have to be the same on both axes (so, an icon that's 400 x 550, for example) or it won't work. I can't remember when this started being necessary, but it really threw me until I found the answer.

I've changed tons of icons on Catalina -- for the boot drive and anything else -- and have never had to disable SIP or kill the Finder or any of that other stuff.
Good question, i will check the icons, thank you.
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Yes, updating system software always effects my icons if i remember correctly
 
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