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  1. #1
    What are these black rectangles on my Mac's desktop?

    Member Since
    Jun 24, 2013
    Posts
    13
    What are these black rectangles on my Mac's desktop?
    I get these black rectangles on my desktop (and in my browser pages), sometimes one, sometimes more. They go away on their own but they always come back. My computer is a MacBook Pro 13".

  2. #2
    What are these black rectangles on my Mac's desktop?
    Raz0rEdge's Avatar
    Member Since
    Jul 17, 2009
    Location
    MA
    Posts
    8,189
    Specs:
    27" i7 iMac, 24" iMac, 13" Macbook Air, iPhone 5 & 5S, iPod Nano 7th Gen, iPad 2 16GB WiFi, iPad 3
    You can't link to a video file (which is no longer around) that way.

    Take a screenshot by press CMD+Shift+3 and attach it here..
    --
    Regards
    ...Ashwin



    Be sure to read the Community Guidelines | The more information you provide, the better answers you get, remember GIGO.

  3. #3
    What are these black rectangles on my Mac's desktop?
    Slydude's Avatar
    Member Since
    Nov 15, 2009
    Location
    North Louisiana, USA
    Posts
    8,556
    Specs:
    2.8 GHz MacBook Pro 10.10.2, 8 GB mem, iPhone 6+
    Are you by chance hearing your Mac verbally describe what is happening on the screen? If so press command F5 and the problem should stop.
    Sylvester Roque Former Contributing Editor About This Particular Macintosh

    "Got Time to breathe. You got time for music." Denver Pyle as Briscoe Darling

  4. #4
    What are these black rectangles on my Mac's desktop?

    Member Since
    Jun 24, 2013
    Posts
    13
    No, my voiceover is off. A new quirk has developed- now my volume scroller is always "selected" and the computer is running slowly. Does all of this point to a virus?

  5. #5
    What are these black rectangles on my Mac's desktop?
    mrplow's Avatar
    Member Since
    Oct 01, 2007
    Location
    UK
    Posts
    6,759
    Specs:
    27" iMac i7 (2011) 10.10, iPhone6, iPad Air 2, AppleTV2
    A screen shot would really help
    External hard disk acquisition addict - but admitting the problem is the first step to a robust backup

    Please use the reputation system if you think you've been helped - top right of this post

  6. #6
    What are these black rectangles on my Mac's desktop?
    chas_m's Avatar
    Member Since
    Jan 22, 2010
    Location
    Victoria, BC
    Posts
    18,971
    Specs:
    Mid-2012 MBP (16GB, 1TB HD), Monoprice 24-inch second monitor, iPhone 5s 32GB, iPad Air 2 64GB
    No viruses for Mac, so that's not it.

  7. #7
    What are these black rectangles on my Mac's desktop?
    bobtomay's Avatar
    Member Since
    Dec 22, 2006
    Location
    Texas, where else?
    Posts
    26,209
    Specs:
    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '11 1.8 i7 4GB 10.10; 21" iMac '13 2.9 i5 8GB 10.10; 5s & 5c
    To post your screenshot, you need to upload it to the forum.
    You can't just paste the path on your local machine.

    Click on the 'Go Advanced' button
    On the page that loads, scroll down to and select 'Manage Attachments'
    Then select 'Choose File'
    Select the file from the Finder window that opens up
    Then hit the 'Upload' button
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  8. #8
    What are these black rectangles on my Mac's desktop?

    Member Since
    Jun 24, 2013
    Posts
    13
    Black Rectanlges
    Thanks for the attachment tips.
    So here they are- slider is always highlighted in blue, always "selected." In the other picture you can see the black rectangle off to the left side of the screen (usually the rectangles are longer).
    Attached Images Attached Images

  9. #9
    What are these black rectangles on my Mac's desktop?
    mrplow's Avatar
    Member Since
    Oct 01, 2007
    Location
    UK
    Posts
    6,759
    Specs:
    27" iMac i7 (2011) 10.10, iPhone6, iPad Air 2, AppleTV2
    Do you have an application that modifies those **** icons? If so, I'd start by disabling that and restarting
    External hard disk acquisition addict - but admitting the problem is the first step to a robust backup

    Please use the reputation system if you think you've been helped - top right of this post

  10. #10
    What are these black rectangles on my Mac's desktop?

    Member Since
    Jun 24, 2013
    Posts
    13
    No application, just right-click, 'get info,' and paste a png file over the old icon image. I changed those icons long before the rectangles started.

  11. #11
    What are these black rectangles on my Mac's desktop?

    Member Since
    Jun 24, 2013
    Posts
    13
    I don't know if it means anything but I was looking through the files on my computer and a found "Remote Desktop Connection" application and folder that I'd never seen before- the icon indicated it was for PC though... does the unexplained RDC have anything to do with my issues?

  12. #12
    What are these black rectangles on my Mac's desktop?
    bobtomay's Avatar
    Member Since
    Dec 22, 2006
    Location
    Texas, where else?
    Posts
    26,209
    Specs:
    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '11 1.8 i7 4GB 10.10; 21" iMac '13 2.9 i5 8GB 10.10; 5s & 5c
    No, RDC would not be the cause of either of those.

    Have no explanation for the volume slider being active all the time.
    Although, not sure what you mean by "always' selected as it is not selected in the 2nd pic.

    The black area on the screen - video card - I'd take it in to Apple and let them have a look at this issue.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  13. #13
    What are these black rectangles on my Mac's desktop?

    Member Since
    Jun 24, 2013
    Posts
    13
    By always selected I mean that it is highlighted blue around the volume slider circle- it never used to have that blue ring around it. And the strange thing is, the black rectangles aren't just on the desktop, sometimes they're in my browser windows (in the web pages) and when I minimize the page, the rectangles are minimized too. Meaning (or so I guess, I'm no expert) they are not video card issues burned into the screen/desktop or a missing chunk of pixels or something.

  14. #14
    What are these black rectangles on my Mac's desktop?
    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,482
    Specs:
    iMac late 2007 10.11.b4, iMac 2008 10.10.5, Macbook2007 10.7.5, Mac Mini 10.7.5, iPhone 3GS Note 8!!
    Try this if you haven't as yet. Did some searching. Try making a new User Account and logging into that. Is the issue still there? Report back please.

  15. #15
    What are these black rectangles on my Mac's desktop?
    pigoo3's Avatar
    Member Since
    May 20, 2008
    Location
    U.S.
    Posts
    31,502
    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.7.5
    One way that I always like to do to eliminate or confirm if I have a software/ OS related issue is...boot the computer from an external HD with ONLY a fresh install of the Mac OS.

    If the issue is software or OS related on the internal HD...then booting from the external HD with a fresh OS install will show no issues. If booting from this external HD still displays the problem...then it's probably a hardware issue.

    For me...confirming whether it's a hardware or software issue is the first troubleshooting step.

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

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