The rainbow-colored circle is a painful sight to see for Mac users. If you’re lucky it disappears in a few seconds, but more often it remains for minutes, leaving you helplessly locked out of the app or your whole Mac. Since it’s not always clear how to deal with with the wheeling cursor or what caused it in the first place, let’s break it all down. In this article we’ll take a look at what is the spinning beach ball, why and when it shows up, and what you can do about it.
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- Insufficient Adjectives Mac Os X
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What is a spinning color wheel?
Initially, it’s a system indicator. It’s official name is the Spinning Wait Cursor, not so official — the Spinning Beach Ball of Death or SBBOD. The ball signifies that your Mac cannot handle all the tasks given to it at this moment.
Every app on your Mac has a so-called window server. When an app receives more events than it can process, the window server automatically shows you the spinning ball. It usually takes about 4 seconds for the app to decide that it’s non-responsive.
Why does the Mac spinning wheel of death appear?
Well, the reasons are countless. First, it can be a stand-alone issue with a certain app. Second, it could be faulty hardware or insufficient RAM. We’ll go over each possible issue and see how it can be fixed, depending on the cause. Sometimes, the only way out it getting a new Mac, but most of the cases can be fixed with the right software or system commands.
How to stop the spinning ball on Mac?
In case you just need unlock one frozen application, that’s a job for Force Quit.
To fix an application stuck with a spinning cursor right now:
- Click the Apple icon in the top left corner.
- Choose Force Quit (or press cmd+alt+esc).
- Select the app that won’t respond.
- Click Force Quit.
Simply shutting down the process is a brutal way of problem solving and it doesn’t address the issue that caused the freezing. It could have been an accidental glitch in the program, but if it keeps freezing or spreads further to other software and services, you need to look deeper.
What if the application keeps freezing when you open it again?
Reset or reinstall the freezing application. Macs don’t have a proper uninstaller and moving applications to the Trash bin leaves plenty of app leftovers. Some of them could be the reason why the spinning wheel showed up, so if you leave them the issue will stay.
How to reset a Mac app to its default settings or uninstall it
There are two ways to reset apps: one would be to use application’s own preferences or settings and look for reset options there. But in case the app won’t let you do that (because it keeps freezing), you can turn to third-party solutions, like CleanMyMac X for instance. It’s a handy app for Mac maintenance and cleaning with plenty of useful tools, including reset and uninstallation.
- Download CleanMyMac X, an app for Mac maintenance.
- Open it and click on the Uninstaller.
- Select the app you need to reset from the list.
- Click on the small arrow next to the application icon
- Click Applications Reset.
If the beach ball keeps rolling when you use the app again, reinstall it completely by pressing Uninstall instead or Reset. Remember, simply moving the app to the Trash doesn’t do the trick, since its leftover files remain on your hard drive.
Important: if you have a licence for the paid app, makes sure to save the number somewhere.
What if your whole Mac becomes unresponsive?
Possible issue: Overworked processor
One of the reasons for the wheel to show up could be that your Mac is getting old. You can figure out if that’s the case by checking the CPU usage. To check the CPU usage, turn to Activity monitor. Find it in the Applications/Utilities folder or run a Spotlight search. Or, if you have CleanMyMac X, use it’s Menu in the top bar.
The bottom table shows System load in percentage. If it’s way above 50% and remains there for long, especially without any specific reason like games or heavy rendering programs, this might be the signal your processor is the bottleneck.
Fix: If your processor is overworking regularly, only buying a new Mac will fix the problem entirely. Sorry.
Possible issue: Low disk space
You don’t even need to have a full startup disk to see the nasty ball. Just a heavily loaded hard drive, with lots of large files can already cause troubles with loading.
Fix: Hard drive cleanup. Thankfully, that’s an easy task. You can get CleanMyMac X and in free up tons of space in a few minutes. With CleanMyMac you don’t need to dig into folders and look for files you don’t need, the app will find and sort them, plus all the system junk your Mac has been accumulating for months.
Possible issue: Insufficient RAM
Another possible hardware issue is insufficient Random Access Memory. To figure out if you need more RAM, open the Activity Monitor again. It’s in the Applications/Utilities folder. In the Memory tab, you can see Memory pressure table with a graph. If the graph is red and your memory is constantly strained under all the running apps, you’ve found the problem.
Fix: You can upgrade RAM by buying and installing more of it. It’s usually enough to have 8 GB for most tasks and applications, apart from heavy video rendering and the likes. Here’s a detailed guide on how to upgrade RAM on Mac.
That’s about it concerning the spinning beach ball and how to deal with it. We hope this guide has been of help and you’ll stop the spinning wheel of death on your Mac once and for all.
October 1991 saw the introduction of Macs using Motorola’s high-octane 68040 CPU. The Quadra 900 was a full-fledged tower design, although it had only a single front accessible drive bay. The Quadra 700 and 900 were the first Macs with built-in ethernet, using Apple’s AAUIs connector.
Huge. It’s one of the first adjectives that comes to mind, along with monstrous, massive, and just plain big. The 303W power supply alone is about the same size as a compact Mac. The Quadra 900 is build like a tank and obviously designed to sit on the floor. With 16 SIMM slots, you can add incredible amounts of memory, along with plenty of high capacity SCSI hard drives. This is obviously designed to be used as a server.
According to Apple, the monstrous power supply can support two 25-watt NuBus cards and three of the more typical 15-watt cards.
The internal SCSI bus is terminated on the motherboard, so internal SCSI devices should not be terminated. This is the opposite of all other Macs, except for the similar Quadra 950. However, the external SCSI bus works the same as on other Macs.
Although there are two separate SCSI buses, System 7.0-7.1 “folds” them together so the operating system sees a single virtual SCSI bus. Thus, under System 7.0-7.1 (and only under those systems) you must make sure that all devices on both chains have unique IDs.
See our NuBus Video Card Guide for information on adding a video card.
The 900 was replaced by the 33 MHz Quadra 950 in May 1992.
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- Got a 68040-based Mac? Join our Vintage Macs Group.
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Details
- introduced 1991.10.21 at $7,200; replaced by Quadra 950 1992.05.18
- requires System 7.0.1 or later; highest version supported without a PPC upgrade is Mac OS 8.1.
- CPU: 25 MHz 68040
- Performance: 11.9, relative to SE; 1.33, Speedometer 4; 22 MIPS
- ROM: 1 MB
- RAM: 4 MB, expandable to 256 MB using 80ns 30-pin SIMMs; motherboard had 4 banks of 4 SIMM slots; can use 1 MB, 4 MB, 8 MB, and 16 MB SIMMs (8 MB and 16 MB SIMMs are not supported by Apple)
- video: 1 MB VRAM, expandable to 2 MB; internal video does not support 16-bit mode
- 512 x 384: 24-bit
- 640 x 480, 832 x 624: 8-bit @ 1 MB, 24-bit @ 2 MB
- 1152 x 870: 8-bit
- L2 cache: optional
- ADB: 2 ports for keyboard and mouse
- serial: 2 DIN-8 RS-422 ports on back of computer
- SCSI: DB-25 connector on back of computer
- Hard drive: 160 or 400 MB
- NuBus: 5 NuBus 90 slots
- one PDS slot
- size (HxWxD): 18.6″ x 8.9″ x 20.6″
- Weight: 36.8 lbs.
- PRAM battery: 3.6V half-AA
- Gestalt ID: 20
- addressing: 32-bit
- upgrade path: Quadra 950, Power Mac PDS card, Power Mac 9500
Accelerators & Upgrades
- Chipping the QuadDoubler, a guide to clock chipping Sonnet QuadDoubler.
- MicroMac PDS or slot-free 128 KB L2 cache
- Output Enablers 33-35.7 MHz clock accelerator
- MicroMac Speedy variable speed oscillator (to 30 MHz)
- Sonnet QuadDoubler (50 MHz 68040)
- Daystar Digital PowerPro 601, Apple Knowledge Base Archive. Runs at twice the speed of the original processor (50 MHz) and has a 1 MB level 2 cache (resource: Unofficial PowerPro 601 Page.
- Sonnet 100 MHz PowerPC 601 Presto PPC, discontinued
Online Resources
- . Best online prices for System 6, 7.1, 7.5.x, Mac OS 7.6, 8.0, 8.1, 8.5, 9.0, 9.2.2, and other versions.
- Environmentally Responsible Retirement for Old Macs, Rick Lawson, Pioneers in Mac Development, 2008.06.13. After you’ve scavenged what useful parts you can from your old Mac, what’s the most environmentally friendly way to dispose of the rest?
- Know Your Mac’s Upgrade Options, Phil Herlihy, The Usefulness Equation, 2008.08.26. Any Mac can be upgraded, but it’s a question of what can be upgraded – RAM, hard drive, video, CPU – and how far it can be upgraded.
- Apple will not abandon optical drives, the Mac drought, purposeful Mac acquisition, and more, Dan Knight, Low End Mac Mailbag, 2008.09.04. Also Mac OS X 10.5 on a G4-upgraded Blue & White G3 and problems using a flat panel display with a Quadra 700.
- The Compressed Air Keyboard Repair, Charles W Moore, Miscellaneous Ramblings, 2008.07.24. If your keyboard isn’t working as well as it once did, blasting under the keys with compressed air may be the cure.
- Tales of old Mac data retrieval, Adam Rosen, Adam’s Apple, 2008.06.13. Getting apps and documents off 400K floppies, old disk images, and a Mac running System 5.
- A Vintage Mac Network Can Be as Useful as a Modern One, Carl Nygren, My Turn, 2008.04.08. Old Macs can exchange data and share an Internet connection very nicely using Apple’s old LocalTalk networking.
- Vintage Mac Networking and File Exchange, Adam Rosen, Adam’s Apple, 2007.12.19. How to network vintage Macs with modern Macs and tips on exchanging files using floppies, Zip disks, and other media.
- Vintage Mac Video and Monitor Mania, Adam Rosen, Adam’s Apple, 2007.12.17. Vintage Macs and monitors didn’t use VGA connectors. Tips on making modern monitors work with old Macs.
- Getting Inside Vintage Macs and Swapping Out Bad Parts, Adam Rosen, Adam’s Apple, 2007.12.14. When an old Mac dies, the best source of parts is usually another dead Mac with different failed parts.
- Solving Mac Startup Problems, Adam Rosen, Adam’s Apple, 2007.12.12. When your old Mac won’t boot, the most likely culprits are a dead PRAM battery or a failed (or failing) hard drive.
- Why You Should Partition Your Mac’s Hard Drive, Dan Knight, Mac Musings, 2008.12.11. “At the very least, it makes sense to have a second partition with a bootable version of the Mac OS, so if you have problems with your work partition, you can boot from the ’emergency’ partition to run Disk Utility and other diagnostics.”
- Better and Safer Surfing with Internet Explorer and the Classic Mac OS, Max Wallgren, Mac Daniel, 2007.11.06. Tips on which browsers work best with different Mac OS versions plus extra software to clean cookies and caches, detect viruses, handle downloads, etc.
- Hacking Mac OS 7.6.1 so many Mac OS 8 apps will run, Max Wallgren, Mac Daniel, 2007.10.30. With a little ResEdit work and a second copy of your System Folder, you can run a lot of OS 8 apps with Mac OS 7.6.1.
- Simple Macs for Simple Tasks, Tommy Thomas, Welcome to Macintosh, 2007.10.19. Long live 680×0 Macs and the classic Mac OS. For simple tasks such as writing, they can provide a great, low distraction environment.
- Interchangeabilty and Compatibility of Apple 1.4 MB Floppy SuperDrives, Sonic Purity, Mac Daniel, 2007.09.26. Apple used two kinds of high-density floppy drives on Macs, auto-inject and manual inject. Can they be swapped?
- Apple’s AAUI ethernet connector, Dan Knight, Online Tech Journal, 2007.09.04. From 1991 through 1995, Apple used a proprietary ethernet connection. Why they created AAUI and where to find adapters.
- Connecting a LaserWriter to ethernet and the TiBook that wouldn’t boot, Dan Knight, Low End Mac Mailbag, 2007.08.23. The importance of an AAUI ethernet adapter, the cost of PowerBook PRAM batteries, and booting old Macs from SCSI drives.
- Apple’s first phone a fake, build your own Macintel, Internet options for G3 Macs, and more, Dan Knight, Low End Mac Mailbag, 2007.07.23. Also a Cube that won’t boot, moving data from an old Mac, useful resource for PowerBook 1400 owners, reformatting a Quadra’s hard drive, finding an AirPort power supply, and more.
- Mac System 7.5.5 Can Do Anything Mac OS 7.6.1 Can, Tyler Sable, Classic Restorations, 2007.06.04. Yes, it is possible to run Internet Explorer 5.1.7 and SoundJam with System 7.5.5. You just need to have all the updates – and make one modification for SoundJam.
- Appearance Manager Allows Internet Explorer 5.1.7 to Work with Mac OS 7.6.1, Max Wallgren, Mac Daniel, 2007.05.23. Want a fairly modern browser with an old, fast operating system? Mac OS 7.6.1 plus the Appearance Manager and Internet Explorer may be just what you want.
- Importance of G3 support in 10.5, clever USB/FireWire solution, upgrade options, and more, Dan Knight, Low End Mac Mailbag, 2007.05.01. Also the loss of the PowerBook brand, upgrading to an Intel iMac, Korg and the Mac, Quadra boot problems, and the value of a Mac Classic.
- Format Any Drive for Older Macs with Patched Apple Tools, Tyler Sable, Classic Restorations, 2007.04.25. Apple HD SC Setup and Drive Setup only work with Apple branded hard drives – until you apply the patches linked to this article.
- Making floppies and CDs for older Macs using modern Macs, Windows, and Linux PCs, Tyler Sable, Classic Restorations, 2007.03.15. Older Macs use HFS floppies and CDs. Here are the free resources you’ll need to write floppies or CDs for vintage Macs using your modern computer.
- System 7 Today, advocates of Apple’s ‘orphan’ Mac OS 7.6.1, Tommy Thomas, Welcome to Macintosh, 2006.10.26. Why Mac OS 7.6.1 is far better for 68040 and PowerPC Macs than System 7.5.x.
- Mac OS 8 and 8.1: Maximum Size, Maximum Convenience, Tyler Sable, Classic Restorations, 2006.09.11. Mac OS 8 and 8.1 add some useful new features and tools, and it can even be practical on 68030-based Macs.
- Moving files from your new Mac to your vintage Mac, Paul Brierley, The ‘Book Beat, 2006.06.13. Old Macs use floppies; new ones don’t. Old Macs use AppleTalk; Tiger doesn’t support it. New Macs can burn CDs, but old CD drives can’t always read CD-R. So how do you move the files?
- Setting up a 68040-based Mac media center, Nathan Thompson, Embracing Obsolescence, 2006.05.12. Yes, that old ‘040-based Quadra or Performa just might make a decent media center for listening to MP3s and watching videos.
- System 7.6.1 is perfect for many older Macs, John Martorana, That Old Mac Magic, 2006.03.24. Want the best speed from your old Mac? System 7.6.1 can give you that with a fairly small memory footprint – also helpful on older Macs.
- System 7.5 and Mac OS 7.6: The beginning and end of an era, Tyler Sable, Classic Restorations, 2006.02.15. System 7.5 and Mac OS 7.6 introduced many new features and greater modernity while staying within reach of most early Macintosh models.
- Web browser tips for the classic Mac OS, Nathan Thompson, Embracing Obsolescence, 2006.01.03. Tips on getting the most out of WaMCom, Mozilla, Internet Explorer, iCab, Opera, and WannaBe using the classic Mac OS.
- Options for ‘040 Macs, Adam Robert Guha, Apple Archive, 2000.06.05. Advice about operating systems, upgrades, what Quadra to choose, and more.
- Games for ‘040 Macs, Low End Mac Gaming, Brian Rumsey, 2000.02.25. This week Brian looks at games to play on 68040-based Macs.
- Gaming on ‘040 Macs, Brian Rumsey, Low End Mac Gaming, 2000.02.16. Those old 68040-class Macs still have game.
- 6100 DOS Cards, Quadras, and You. How to use a Power Mac 6100 DOS card with 66 MHz 486DX2 CPU in a Quadra
- Easter Egg, MacKiDo
- Vintage Macs, the email list for 680×0-based Macs
- Quadra 700 & 900 On-board Video Capabilities, Dale Adams, designer of video hardware on most Centris and Quadra models
- For more information on Mac serial ports, read Macintosh Serial Throughput
- Macintosh Quadra 900 Technical Specifications, Apple Knowledge Base Archive
Cautions
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- Outside of California, Apple discontinued support and parts orders for this model on 2001.01.01. You may be able to find dealers with parts inventory either locally or on our parts and service list.
- In 24-bit video mode, the Quadra 700 and 900 actually use 32-bits per pixel. While most Macs can display 24-bit video at 640 x 480 with 1 MB of VRAM, you must have 2 MB VRAM for 24-bit on these models (see Apple Knowledge Base Archive #10992 for more details).
- You must have a “fat” system installed to use a PowerPC upgrade as well as the 68040 CPU.
Keyword: #quadra900
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Mac Os Versions
searchword: quadra900