There is a black Apple screen when the mac starts up (Why does the mac have a black screen when it starts up but there is a startup sound)

Introduction: In this article, this website will introduce to you the relevant content about the Apple black screen when turning on the Mac. I hope it will be helpful to everyone, let’s take a look.

What to do if the Apple computer has a black screen

When an Apple computer starts with a black screen, some checks and handling measures need to be carried out, as follows: Unplug all external devices, such as USB drives, speakers, etc. Restart the computer. Hold down the Shift key to enter safe mode.

The following are some methods to solve the black screen of Apple computers: Confirm the power status: Check whether the computer is connected to the power supply and whether the power supply is normal. If that doesn't work, try changing the power cord or moving it to another outlet. Restart: Sometimes simply restarting your computer can solve the problem.

Solution: First unplug the hard drive, optical drive, and sound card, and then use the minimal system method to see if it works. If it doesn't work, change the graphics card and sound card to another machine to see if it works normally. If it is normal, you need to remove the battery and turn on the computer, then enter the BIOS settings to reset, so that you can enter smoothly.

So, open the case, unplug the memory, check it carefully, or insert a new memory stick, and the computer will return to normal. Reason: It may be a graphics card problem. Solution: If the computer is turned on and the system self-test is normal, but the speaker does not alarm, "No signal" will be displayed on the screen, indicating that the graphics card is faulty.

When an Apple computer starts with a black screen, some checks and handling measures need to be carried out, as follows: Unplug all external devices, such as USB drives, speakers, etc., and restart the computer. Hold down the Shift key to enter safe mode. If the Apple computer has a black screen, press the Command Option P R four keys to restore it.

What should I do if my Apple computer keeps a black screen when I turn it on?

If your Apple computer encounters a black screen problem, here are some solutions you can try: Restart your computer. Press and hold the power button until the computer turns off, then turn it back on and wait for the system to restart. Try booting into safe mode.

What to do if your Apple computer has a black screen---When cleaning PRAM, you must first turn on the computer, then press and hold the four "Apple Option P R" keys, and let go after hearing 4 startup sounds. The computer keeps turning on and has a black screen. There may be too much dust inside. I suggest you try cleaning it. Open the memory module and hard disk cable interface.

Check the power supply: First check whether the power supply is plugged in and whether there is power. If you are using a battery, you can try replacing the battery or plug in the power adapter to charge. Reset the controller: Sometimes there may be a problem with the MacBook Pro controller. You can try resetting the controller to solve the problem.

What to do if your Apple computer has a black screen---reset SMC and shut down the computer. The way to deal with this kind of failure is to check whether the graphics card has poor contact or whether there is foreign matter in the slot that affects the contact. 3． The motherboard BIOS failed in an assembly machine. After booting up, the screen went black, but the speaker did not alarm. After checking, it was found that there was no problem with the graphics card.

Microsoft black screen, please patch. Solution 1 for the sudden black screen of an Apple notebook after it is turned on: If a device with a magnet is placed under the Mac notebook or placed on the palm rest, the computer may accidentally go to sleep, resulting in a "black screen" state.

The method to handle the black screen when Apple computer starts is as follows: 1. Memory Issues Memory is one of the most important components in your computer. During the power-on self-test process, the system can detect whether the memory and other key hardware are present and working properly. If there is a problem or is not working properly, the system will sound the alarm using a loudspeaker.

Why does the Mac computer always have a black screen when it is turned on?

This kind of problem is usually caused by the gold finger part of the graphics card being oxidized and having poor contact with the slot over time. Its characteristics are that the system self-test is normal, the small speaker does not alarm, and the monitor screen is black (older monitors) or displays NoSig-nals (newer monitors).

． The monitor is powered off, or the monitor data cable is in poor contact; 2. There is no power supply to the motherboard; 3. The graphics card has poor contact or damage; 4. Poor CPU contact; 5. Poor contact of the memory module; 6. The machine is infected with the CIH virus and the BIOS is destructively refreshed. Black screen at startup: The screen is black at startup, there is no display, and there may be an alarm sound.

If none of the above methods work, you need to check whether the hardware is faulty, such as checking the hard disk, memory module, graphics card, etc. In short, it is a common situation for Apple computers to start with a black screen, which requires in-depth troubleshooting. If the above methods cannot solve the problem, it is recommended to find a professional for inspection and repair.

Graphics card or monitor problems: These two devices account for a large proportion of black screen failures when the computer starts up. Usually, the substitution method is used to use another monitor. If it is used normally, it means that the original monitor is broken.

There are many reasons why the Apple MacBook Pro cannot turn on. Here are some possible solutions: Check the power supply: First check whether the power supply is plugged in and whether there is power. If you are using a battery, you can try replacing the battery or plug in the power adapter to charge.

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