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#No cursor on mac startup install#
#No cursor on mac startup Bluetooth#
#No cursor on mac startup mac#

Previously I did not adjust Ubuntu setup to enable this (still needed on 20.04?). machine does not respond to ssh or ping from another computer.carefully entering my login credentials showed no response.Theory: this is a video-only problem, but. …but startup process locks after this response… Loading initial ramdisk…Įdited GRUB commands, added nomodeset to end of Linux line, got same results as #7 …even though that very same USB drive was used to do the original install.Īttempted to boot from a different USB, this one with Ubuntu 20.10, results in yet one more stopping point… pic 000:02:00.0: error -61 assigning propertiesĪttempted to boot from yet another USB, this one with Ubuntu 18.04 results in original problem: black screen with solid cursorĮdited the GRUB commands in attempt to enter TTY (per ) by adding this to end of linux line… nouveau.modeset=0 The results are the same as #1Īttempted to boot from the Ubuntu 20.04 live USB gets stuck also, but at a different response line… Initramfs unpacking failed: Decoding failed So I’ve tried editing the GRUB commands to replace “quiet splash” with “nomodeset”. This machine probably has an Nvidia graphics card (Apple specs show NVIDIA GeForce 9400M, but I can’t verify without terminal). the screen shows a few lines of responses, but stops at… Linux agpgart interface v0.103]Ĭhoosing either of the two other available kernel’s recovery mode produces the same result as #1. This second machine could be restarted to resume access, but I fear it won’t for long.Ĭhose “Advance Options for Ubuntu” from the GRUB menu, and then the option… Ubuntu, with Linux 5.11.0-40-generic (recovery mode) Each time switching KVM to direct access again shows no video at all.

#No cursor on mac startup install#

Since the install the GUI has locked up twice. Ubuntu 20.04 LTS was installed on it 11/23/21 and all packages were then upgraded. Its specs are the same, except it has a larger HD and no production data. A second machine (the intended backup for first machine) is now beginning to show the same problems.TTY is not available (Control - Option - F3 does nothing).(No difference if I choose “Ubuntu” at this point.) Immediately the screens changes to black with only a solid cursor in the upper left quadrant, NOT in the far upper left. Now the boot process starts out well: GRUB menu comes up and waits the 10 seconds per its configuration.Over the next few weeks, the problem would occasionally come up.

#No cursor on mac startup mac#

‘Used the Mac Mini power button to force quit the machine, then restarted. I switched the KVM for direct access but my monitor did not detect any signal at all from the problem computer.

All was well for weeks until the GUI locked up in VNC window.

GUI accessed using VNC from another Mac, (vino installed on problem machines).

Install: August 2021, upgraded all packages at that time but never upgraded since.

Machine: Mac Mini (late 2009, Macmini3,1) with Ubuntu 20.04 LTS as only OS (only one partition).

Does your MacBook still show a black screen? Well, try the next solution. You can press the F2 key to light up your screen. So, your Mac appears a black screen after a startup. Maybe, you mistakenly press the F1 key, resulting in your screen brightness being very low and near to black. Debug the Screen Brightness of Your MacBook To figure out if your cursor issues are caused by your settings, go into System. If it can, reconnect the peripheral devices one by one to find out the troublemaker. For some Mac laptops, the problem is related to your trackpad settings. Then, restart your MacBook to check if it can boot up normally. You can disconnect all the peripherals or the recently connected external devices.

When I turned on again, the screen was the same: no keyboard response, cursor stuck. Make sure your keyboard is ‘discoverable.

#No cursor on mac startup Bluetooth#

Sometimes, your MacBook won’t start up but shows up a black screen results from hardware incompatibility. Bluetooth Setup Assistant opened automatically with message No keyboards have been found. Wait for a moment, then, press the power button again to force restart your MacBook. You can press and hold the power button for a few seconds to completely shut down your Mac. If you can hear a startup chime or see the cursor appear on the screen after pressing the power button, it means that the MacBook doesn’t have the power issue. For instance, if your MacBook monitor is broken, you can replace it with the best monitor for MacBook Pro. If your MacBook has no power issue but still shows a black screen with no startup chime and no cursor on the screen, check if there are any hardware problems with your MacBook. If it’s in vain, check if your charger cable is in good condition. You can charge your Mac for about 15 minutes and then press the power button again.

Perhaps, your MacBook shows a black screen after pressing the power button is due to the power issues.