Jun 04, 2019 Step 1, Click the Apple menu.Step 2, Click System Preferences. If you don't see the regular System Preferences options, click the Show All button. This is at the top of the window, and has 12 dots as an icon.Step 3, Click Display. Get more done with the new Google Chrome. A more simple, secure, and faster web browser than ever, with Google’s smarts built-in. When you install devices, such as cameras, displays, or printers, a color profile containing the color capabilities and limits for each device is created. In the ColorSync Utility app on your Mac, click Profiles in the toolbar of the ColorSync Utility window. Click an arrow in the profile list to open a profile group, then select a profile.

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The Macintosh Color Classic (sold as the Macintosh Colour Classic in PAL regions and Macintosh Color Deluxe in Japan) is a personal computer designed, manufactured and sold by Apple Computer, Inc. from February 1993 to May 1995 (up to January 1998 in PAL markets). It has a 'all-in-one PC' design, with a small, integrated 10″ SonyTrinitron display (supporting up to thousands of colors with a video memory upgrade) at 512 × 384 pixel resolution.

The Color Classic is the final model of the original 'compact' family of Macintosh computers, and was replaced by the larger-display Macintosh LC 500 series and Power Macintosh 5200 LC.

Hardware[edit]

The Color Classic has a Motorola 68030 CPU running at 16 MHz and has a logic board similar to the Macintosh LC II.^[2]

Like the Macintosh SE and SE/30 before it, the Color Classic has a single expansion slot: an LC-type Processor Direct Slot (PDS), incompatible with the SE slots. This was primarily intended for the Apple IIe Card (the primary reason for the Color Classic's switchable 560 × 384 display, essentially quadruple the IIe's 280 × 192 High-Resolution graphics), which was offered with education models of the LCs. The card allowed the LCs to emulate an Apple IIe. The combination of the low-cost color Macintosh and Apple IIe compatibility was intended to encourage the education market's transition from Apple II models to Macintoshes. Other cards, such as CPU accelerators, Ethernet and video cards were also made available for the Color Classic's Processor Direct Slot.

The Color Classic shipped with the Apple Keyboard known as an Apple Keyboard II (M0487) which featured a soft power switch on the keyboard itself. The mouse supplied was the Apple Mouse known as the Apple Desktop Bus Mouse II (M2706).

A slightly updated model, the Color Classic II, featuring the Macintosh LC 550logicboard with a 33 MHz processor, was released in Japan, Canada and some international markets in 1993, sometimes as the Performa 275. Both versions of the Color Classic have 256 KB of onboard VRAM, expandable to 512 KB by plugging a 256 KB VRAM SIMM into the onboard 68-pin VRAM slot.^[3]

The name 'Color Classic' was not printed directly on the front panel, but on a separate plastic insert. This enabled the alternative spelling 'Colour Classic' and 'Colour Classic II' to be used in appropriate markets.

Upgrades[edit]

Some Color Classic users upgraded their machines with motherboards from Performa/LC 575 units ('Mystic' upgrade),^[4] while others have put entire Performa/LC/Quadra 630 or successor innards into them ('Takky' upgrade).^[5] Based on Takky there is a way to upgrade the Color Classic with a G3 CPU.^[6] Another common modification to this unit was to change the display to allow 640 × 480 resolution,^[7] which was a common requirement for many programs (especially games) to run.

Models[edit]

Introduced February 1, 1993 (Japan only): Macintosh Performa 250, Deluxe III

• Macintosh Performa 250^[8]

Introduced February 10, 1993 (Japan, Asia, Americas) / March 16, 1994 (PAL regions): Macintosh Color & Colour Classic, Deluxe IV

• Macintosh Color Classic^[9]

Introduced October 1, 1993 (South Korea) / September 9, 1994 (Japan): Macintosh Performa 275, Color Deluxe

• Macintosh Performa 275^[10]

Introduced October 21, 1993 (Japan, Asia, Canada)^[11] / December 3, 1994 (PAL regions): Macintosh Color & Colour Classic II, Color Deluxe CD

• Macintosh Color Classic II^[12]

Timeline of compact Macintosh models

References[edit]

1. ^Paul Kunkel (August 24, 2000). 'A Long-Discontinued Macintosh Still Thrills Collectors to the Core - New York Times'. The New York Times.
2. ^'Mac Color Classic'. Low End Mac.
3. ^'Macintosh Color Classic II / Performa 275'(PDF). Apple Service Source.
4. ^''Mystic' Upgrade Questions'.
5. ^''Takky' Upgrade Questions'.
6. ^''G3' CPU Upgrade'.
7. ^''640x480' Screen Resolution Upgrade'.
8. ^'Macintosh Performa 250:Technical Specifications'. Apple.
9. ^'Macintosh Color Classic: Technical Specifications'. Apple.
10. ^'Macintosh Performa 275:Technical Specifications'. Apple.
11. ^http://lowendmac.com/compact/macintosh-color-classic-ii.html
12. ^'Macintosh Color Classic II: Technical Specifications'. Apple.

External links[edit]

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Few things give Mac users that sinking feeling more than the sight of a spinning color wheel, rainbow wheel, spinning beach ball of death or SBBOD as it's also commonly known. It’s official name is the Spinning Wait Cursor, and it’s a system indicator. signifies that macOS cannot handle all the tasks given to it at this moment.

Why does it happen? It's a sign that an application is trying to deal with more processes than it can handle at any given time. Sometimes it will last only a few seconds and disappear, when processing cycles are freed up and the application is able to process all the tasks it needs to. Other times, the application will become persistently unresponsive and 'hang'. When that happens, the only solution is to force quit the app.

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Quick ways to stop spinning wheel

To fix an application stuck with a spinning cursor:

1. If and get rid of a spinning ballyou know which app is hanging, press Cmd-alt-escape and you'll see the Force Quit dialog box. The problematic app will be shown as 'not responding.'
2. Select the app and press Force Quit. The app should now quit and the rainbow wheel will disappear.
3. If the app refuses to force quit, or force quitting doesn't fix the problem, the next step is to restart your Mac.

How to stop the rainbow wheel issue

Getting rid of a spinning beachball is only part of the solution. As we said above, it's a symptom, not a cause of problems. Fortunately, there are a number of things you can do to prevent it. The first is to identify which applications are putting the greatest strain on your Mac.

iStatMenus, available in Setapp, is a powerful performance monitoring tools for your Mac. It sits in your Mac's Finder menu bar and allows you to easily check which apps are hogging processor cycles or RAM. And helps you see how well or badly your Mac is running. If you need more detailed information, or need to quit specific processes (rather than applications), you can launch Activity Monitor from within iStatMenus.

The combination of iStatMenus and Activity Monitor will lead you to the apps that are overloading your Mac. The next step is to uninstall them completely and reinstall them, making sure you remove all the temporary and preference files associated with it.

The easiest way to do that is to use CleanMyMac, also available in Setapp. Here's what you should do.

Uninstall apps and extensions

1. Launch Setapp and search for CleanMyMac. Click install and wait for it to install and launch.
2. Look in the sidebar for the Application section and click Uninstaller. The window on the right will fill up with all the apps you have installed on your Mac. Find the one you want to uninstall and click on the checkbox next to it. Click Uninstall at the bottom of the main window.

It's a good idea to remove any apps you don't use. You'll free up disk space and could prevent conflicts with other apps.

Re-index Spotlight

Spotlight is an incredibly useful tool for searching for files on your Mac, among many other things. In order to search your Mac, Spotlight needs to build and maintain an index. Occasionally that index can become corrupt and when that happens, the dreaded spinning color wheel is likely to appear. Here's how to fix it.

1. In CleanMyMac, click on the Maintenance in the left sidebar.
2. Click the checkbox next to Reindex Spotlight.
3. Click Run.

Free up disk space

macOS uses your startup disk to host virtual RAM and then regularly reads and writes files to it. If you don't have enough free space (at least 10% of the disk's total capacity), your Mac will struggle noticeably and you'll see the spinning beachball more often.

To free up disk space, you can either manually trawl through your startup disk backing up important files and then deleting them, or use Get Backup Pro or ChronoSync Express to back up the disk and then use CleanMyMac to free up disk space. It's a good idea to use Disk Drill to analyse the disk and identify which files are taking up the most space. Disk Drill and ChronoSync Express are available in Setapp.

1. In CleanMyMac, click on Smart Scan and then click Scan.
2. Wait for it to finish, then click on each section in turn and click Review Details.

The results can be enlightening. For example, we found that cache files for the Photos app were taking up 8GB space on our Mac. Uncheck and items you don't want to remove and then click Clean. Repeat for the other categories.

For more information on how to free up space on your Mac, we prepare these quick tips.

Install more RAM

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If none of the above, there is one final thing you can try. As we mentioned above, the spinning beachball can appear when your Mac is using virtual memory and storage space is limited. The more physical RAM you have, the less your Mac will need to resort to virtual memory.

So, installing more RAM will mean you see the spinning color wheel less often. Unfortunately, it's not as easy as it used to be to add more RAM to your Mac. You'll probably need to visit an Apple Store or an authorized service center and ask them to install it for you.

To prevent that from happening in the future, it's worth installing as much RAM as your Mac can take, or as much as you can afford when you first buy it. Money spent on RAM is never wasted and usually means your Mac will perform better for longer before you eventually need to replace it.

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The good news is that replacing RAM is very much a last resort and that the other steps described above will, in many cases, solve the problem completely.

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