- #Factory reset apple mac book pro a1278 no disc install
- #Factory reset apple mac book pro a1278 no disc software
- #Factory reset apple mac book pro a1278 no disc download
- #Factory reset apple mac book pro a1278 no disc free
While your Mac is still shut, Press the Shift + Option + Control and Power key simultaneously.To perform this trick, follow the tips below.įor a MacBook with a non-removable battery: According to Mac support forums, resetting SMC helps in 90% of the cases when your Mac’s screen goes black. What it controls is temperature, lights, keyboard, fans, and many other side processes.
#Factory reset apple mac book pro a1278 no disc free
So, it makes sense that you check your Login Items list and uninstall the unwanted app - both too can be done with CleanMyMac’s free version.
#Factory reset apple mac book pro a1278 no disc software
The truth is, some apps like antivirus software would inadvertently sneak into the list of your startup programs if something goes wrong with the app, it will then affect your Mac’s booting.
Tick Repair Disk Permissions and click Run.įrom my experience, it’s the easiest way to optimize hardly-accessible parts of your Mac.Īnother possible culprit - the corrupted Login Items. #Factory reset apple mac book pro a1278 no disc install
Install it and go to the Maintenance module. #Factory reset apple mac book pro a1278 no disc download
Download the app (it’s free to download).A good solution is to use the app called CleanMyMac on your machine and run the Repair Disk Permissions command. Oftentimes, the reason for your Macbook black screen problem is broken disk permissions not allowing your Mac to boot normally. In many reported cases, removing old cache files and broken login items helped prevent the “black screen” problem.
Keep pressing the keys until you hear a second startup soundĭo basic Mac maintenance: disk permissions and Login Itemsĭid resetting NVRAM do the trick? Now that your display is back to the light, you should be able to do a bit of maintenance under the hood of your Mac. When you hear a startup sound, hold down Cmd + Option + P + R. Everything remotely connected with the boot process (like your MacBook won’t turn on) can be set back to factory settings during the NVRAM reset. NVRAM stands for non-volatile RAM and is basically a functionality that stores in-memory settings for display, speakers, primary startup disk, etc. Wait for your Mac to shut down and press the Power key again. Hold down the Power key for about 6 seconds. It might help, but if it doesn’t, in no way should you panic - first, let’s perform a quick force restart. Try to open and close the MacBook lid and press a few keys on a keyboard. The variance of this issue is your Mac not waking up after sleep. In most cases forcing your Mac to restart helps to fix it if your Mac won’t boot. More solutions if your MacBook Pro won’t turn on These devices may start their own dialogues, which could interfere with your display settings. Remove all external devices like printers or external drives. If you still see the black screen on Mac, read on. Is the green light on? To rule out the power issues, check if your Mac produces any noise - from the hard drive or fans. Could it be your cat stepping on keys? Use F1 and F2 buttons to light the black screen on your Mac.Įxamine your charger cable is intact and if your Mac is charging. You may have accidentally pressed the brightness keys on the keyboard, so your screen dimmed down. Below you’ll find a couple of solutions (mostly based on users’ cases) to bring your Mac back to the light.Įasy fixes for MacBook black screen 1. All you see is a black screen on your MacBook Pro, no matter what keys you are pressing. So you are trying to wake your Mac from sleep, and it just wouldn’t. Now, see more solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. With it, you can disable startup items and remove old and redundant apps. Download CleanMyMac X (Apple-notarized version) to check your Mac for software issues and system junk.
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