If you have ever installed that version on your Mac, no matter what version or no version is currently installed, you have these options.
- png to ico mac free.
- How to fix macOS Catalina download problems.
- convertitore da doc a pdf mac?
- best mac os x data recovery!
- Troubleshooting Mac startup problems.
- How to fix a Mac that won't start;
Email yours to mac macworld. Apple The spinning globe of hope. This Mac article is in response to a question submitted by Macworld reader Luke. Note: When you purchase something after clicking links in our articles, we may earn a small commission. Plug in a spare external drive and open Disk Utility.
Click the Erase tab and erase the external drive. When it's done, select Reinstall macOS from the Utilities window and make sure you select the external disk you just erased.
How to Fix a Mac Stuck on a White Screen -
Follow the instructions and wait for your Mac to reboot. When you see the Setup Assistant, choose the option to migrate data from another Disk and select your Mac's regular startup disk. Complete the Setup process and wait for your Mac to finish. When it's done, confirm your data is on the external drive. You can now erase your Mac's regular startup drive in Disk Utility. Boot in recovery mode again, from the external disk, and choose Reinstall macOS, this time selecting your Mac's original startup drive.
With the introduction of Mac OS X , in addition to the blinking system folder icon, a prohibition icon was added to show an incorrect OS version found. The bomb screen was replaced with a kernel panic , which was originally colored white but was changed to black in version With Mac OS X This is also the last version that had a Happy Mac icon; in version A Sad Mac is a symbol used by older-generation Apple Macintosh computers hardware using the Old World ROM and not Open Firmware , which are those predating onboard USB , starting with the original K Macintosh and ending with the last NuBus -based Power Macintosh models including the first-generation , , , as well as the PowerBook and ,  to indicate a severe hardware or software problem that prevented startup from occurring successfully.
Mac Won’t Turn On, How to Fix a White Screen
The Sad Mac icon is displayed, along with a set of hexadecimal codes that indicate the type of problem at startup. Different codes are for different errors. This is used in place of the normal Happy Mac icon, which indicates that the startup-time hardware tests were successful. PowerPC Macs play a sound effect of a car crash, and computers equipped with the PowerPC upgrade card use the three note brass fanfare death chime A, E-natural, and E-flat , followed by the sound of a drum, same as the Macintosh Performa and Macintosh Performa A Sad Mac may be deliberately generated at startup by pressing the interrupt switch on Macintosh computers that had one installed, or by pressing Command and Power keys shortly after the startup chime.
1. Mac Won’t Turn On
On some Macintoshes such as PowerBook c, if the user presses the command and power keys before the boot screen displays, it will play the "chimes of death". The chimes are a fraction of normal speed and there is no Sad Mac displayed.
Mac OS X On the iPod , if damage or an error occurs in the hardware or the firmware , for example, if its files are deleted, a Sad iPod appears. This is similar to the Sad Mac, but instead of a Macintosh, there is an iPod, and there are no chimes of death. The icon also lacks a nose, and the frown is flipped horizontally.
It also does not show hexadecimal codes indicating what problem occurred in the iPod.
This error screen will not show up when a problem occurs in the newer iPods. Different Macintosh series used different death chimes.
How to Restart From Apple Gray Screen
The Macintosh II was the first to use the death chimes a loud and eerie upward major arpeggio , with different chimes on many models. The Macintosh Quadra , Centris , Performa , LC and the Macintosh Classic played a generally softer and lower pitched version of the upward major arpeggio, followed by three or four notes, with slight variation depending on the model of the Macintosh.
The PowerBook , , and used the second half of the 8-note arpeggio as found on the Quadra and Centris models, or the entire death chime if the error occurred before the screen lights up.
The Power Macintosh and Performa and series, along with the Power Macintosh upgrade card, used an eerily dramatic 3-note brass fanfare with a rhythm of drums and cymbals. Since the introduction of the iMac in , the Chimes of Death are no longer used and were replaced with a series of tones to indicate hardware errors. From Wikipedia, the free encyclopedia.