A friend brought his fresh-from-ebay macbook pro A2141 after he failed replacement keyboard plugging.
I fixed all the little problems he introduced.

I am unable to install macOS to this device. Both Sequoia and Catalina (from Internet Recovery) start to install, but after ~2-5 minutes into the installation the macbook does a hard restart (max fan spin for a split second, then reboot without chime).

I noticed what I think is a very high power consumption, like 20V/1.7A when activating WiFi for internet recovery, and more like 20V/3.7-4.1A while downloading the recovery...

I have Macbook A1534 which had Windows 10 installed on it, now customer want to have macos back because windows is slow.
From disk utility I deleted all partitions ( there was boot camp and macintosh ), created GUID Partition Map / APFS and I'm trying to install High Sierra from USB and its failing in half way, if I use Internet Recovery I have error apple.com/support -5101F, its shows me the option to go under support and mentions that battery have to be replaced.
Because the battery I can't install the MacOs or it something else? any suggestions please?...

Hi All.

Sorry ahead of time for the text wall. This is a strange problem and I have tried to explain it as best I can. I realise this is a hardware forum (mostly), but I am still not sure if this is even a hardware fault! I am hoping that someone more knowledgeable than me in the area of understanding installation logs, or someone that has had a similar issue in the past may have some ideas of what might be causing this.

The issue:
Unable to do a clean install of any macOS versions supported for this model, even after fully erasing and formatting the internal SSD,...

Hi friends
i have Macbook air a1466
unable to Install macos while installing it shutdown after some time
any solution
please help

I have just got in a MacBook Pro A2338 which was initially displaying the Apple logo followed by an explanation mark in a circle as described here:- https://support.apple.com/en-gb/102164.

After some error messages attempting to revive and restore the machine via DFU mode i have finally got the machine revived however now the issue seems to be when attempting to install macOS Sequoia via a bootable USB installer or via macOS recovery the machine just keeps freezing and restarting before the installation is complete, usually the installation has just started or is mid way trough before...