Questions tagged [hardware]
Matters involving physical computer components, circuitry and parts, as opposed to matters of software or computer programming
1,671
questions
3
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Hardware acceleration bug on 2023 Mac Pro?
Got a 2023 Mac Pro (M2 Ultra) earlier this year, which forced me to upgrade my OS from Monterey to Ventura (and now Sonoma).
It started as soon as I got the 2023 Mac Pro and migrated all my stuff from ...
- 31
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0
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19
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Technical details of M3
Is there any documentation available about technical differences between M1, M2 and M3? The only thing that I found is number of cores etc that apple tells us, 4.05 GHz maximum according to toms ...
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0
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1
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33
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How to handle a kernel_task going wild, wrongly trying to cool my Mac?
I have a very annoying bug on my iMac 2019 (27", Retina 5K, i9, 8cores, Monterey, Radeon Pro Vega 8 Gb, 64GB Ram). It's likely caused by a hardware problem but also triggers a software bug I ...
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3
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2
answers
444
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How can I get PCAN dongles to work with macOS?
I have a Perl program that's running a couple of CAN-servers to interact with a HIL setup. And with the connected Linux machines it's just the case of:
ifconfig -a | grep can
ip link set can0 type can ...
- 133
0
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0
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31
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Mac Plus refusing to read disks [migrated]
OK, so I was gifted a Mac Plus a couple weeks ago, and finally got it up and running a couple days ago (had to wait for mouse and a couple lots of disks for it to arrive, since it came as just the Mac ...
- 255
0
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1
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103
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Kernel panics on MacBook Air M2 related to camera or sensors [duplicate]
I have an issue with my MacBook Air M2 (2022) that results in kernel panics that I can't fix without your help. Few more facts that we should consider to be on the same page:
In January 2023 I got ...
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0
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1
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41
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Is the hard drive data recoverable from this MacBook with extreme battery damage?
My friend's laptop almost literally blew up while charging. There is extensive battery damage -- see attached photos below.
Is it possible to recover the hard drive?
And/or should they put pressure on ...
- 113
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0
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57
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fans spinning up and can't find the issue
Fans have been spinning up and then spinning down recently. I have made some changes including two hardware changes, and I am hesitant to mention it because we will all go there, I have recently added ...
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1
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What is the Memory RAM pin count for an Apple MacBook Pro "Core i5" 2.3 13" Early 2011?
For Apple MacBook Pro "Core i5" 2.3 13" Early 2011 Specs, about the RAM is indicated
Supports 1333 MHz PC3-10600 DDR3 SDRAM.
And for Apple MacBook Pro "Core i7" 2.9 13" ...
- 481
0
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0
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33
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2020 Macbook Pro won't connect to HDMI on Promethean Board
I have a Macbook Pro (2020) running Big Sur 11.7.4
I have tried two USB - C to HDMI adapters to run the display to a Promethean Board in a classroom
One was an apple-branded multifunction adapter (has ...
- 209
0
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0
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11
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Why is my MacBook Pro 13" 2019 (A1989) not powering on? [duplicate]
I left my macbook on charge after putting it to sleep. Later when I'm trying on turn it on, it's simply refusing to turn on. There are just no signs of life.
First I checked the charger and cable, ...
1
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0
answers
29
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Is possible upgrade RAM for a MBP 13-inch, Early 2011? [duplicate]
My uncle has the following MacBook Pro, it according with About This Mac
MacBook Pro (13-inch, Early 2011)
Processor 2.3 GHz Intel Core i5
Memory 4 GB 1333 MHz DDR3
Graphics Intel HD Graphics 3000 ...
- 481
0
votes
1
answer
47
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iPhone 6S only charges from one side of lightning charger if connected to laptop through USB, but shows green charging icon on both sides
My laptop is a Fujitsu Lifebook T937. It's a second hand laptop I got a few months ago after previously experiencing problems with my MacBook Pro Mid 2012 that unfortunately went unsolved
The first ...
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1
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Can I use NVidia Mellanox networking cards in the 2023 Apple Mac Pro (25G, 40G, 50G, 100G, 200G)?
I am wondering if the NVidia Mellanox 100G network cards can be used in the 2023 Mac Pro. In an older thread on the Nvidia forums titled "100g connectX 5 slow speed between Mac to Proxmox TrueNAS ...
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1
answer
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What's the fastest way to intentionally destroy a Macbook Pro
I searched around and did not find any good threads on this, apologies if this is a duplicate.
I currently have a 2019 Macbook Pro with an i9 processor. Its an OK machine, but I would like to use an ...
- 129
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0
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51
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Is the Apple 60W MagSafe Power Adapter better than 2012 in that way that the yellow color situation does not happen anymore?
Introduction
For an old MacBook Pro bought in 2012 as:
MBP 13.3/2.9/2X4GB/750/SD
Model No: A1278
The cable of the MagSafe since years ago changed the color to "yellow" and many parts of ...
- 481
0
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0
answers
31
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Reuse LP154WP4-TLA1 LCD screen?
My Dad had a MacBook Pro from late 2008/early 2009 that he used to dualboot Windows XP and MacOS on. It eventually gave up the ghost (sort of) and wouldn't boot from the MacOS partition. Still did XP, ...
- 124
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2
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119
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kernel_task shutting down network when CPU not overheating
[MacBook Pro (13-inch, 2020, Four Thunderbolt 3 ports), 2.3 GHz Quad-Core Intel Core i7, 16 GB RAM, running Monterey 12.6.4]
kernel_task consumes inordinate CPU periodically--around 100+% according to ...
2
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0
answers
102
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Mac does not shutdown properly after update to macOS 13.5
Since I updated 16” 2019 MacBookPro (i9) to macOS 13.5, it does not shut down properly.
After a shutdown, the computer simply stays on, for example with the background image.
If the shutdown is ...
- 61
1
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1
answer
56
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Macbook Pro Logicboard Replaced - How to know if replaced logic board is a new or used one?
I have a Macbook Pro 2016 model (Touchbar). Few days ago, I got a critical upgrade error and the mac wasn't starting.
I went to the service center and they replaced the logicboard. My mac is running ...
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2
votes
1
answer
22
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Tools to replace IO Board Flex Cable Assembly on MacBook Retina
What tools do I need to replace an IO Board Flex Cable Assembly (932-00997) for a 2016 MacBook Retina? Thanks!
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0
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33
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What's the best solution to fix a Mac with a liquid damaged and broken keyboard? [duplicate]
Unfortienaly I spilled some milk on my Macbook Pro M1 2021. I took it to a Mac cleaning service the next day and they cleaned the Mac. Fortunately, the board is not damaged and there was almost no ...
- 101
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0
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63
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Determine if Macbook Pro hard drive is damaged or repairable
I have a 2019 16" MacBook Pro with 512GB drive which I would like to reformat and dual boot with Ubuntu. (I'm ok with a stable MacOS or Ubuntu single-boot too). There is no data on it that needs ...
- 557
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0
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51
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Macbook display flickers, but works fine without hardware acceleration
My MBP display has been flickering, laggy, and unresponsive many times.
At times, it gets stuck like this picture for minutes on end, and maybe recovers, or I have to shut it down.
I tried a bunch of ...
- 271
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0
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16
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Water damage on a macbook air 2020 [duplicate]
I’m really stressed right now so I might write some nonsense. I just spilled some water on my macbook air 2020 M1. It wasn’t that much in my opinion but clearly more than a few drops. I didn’t shut it ...
- 1
0
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2
answers
145
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Where can I find mbp logic board compatibility information?
I have an mbp late 2015 model and I want to do a DIY upgrade to the maximum compatible logic board, but I can't seem to google up any reliable information, and it turns out that as bizarre as it is, ...
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1
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iPhone keeps disconnecting and reconnecting to MacBook via USB
This post/question is referencing the iphone macbook connections issue reported by @Avelj (thanks for your details analysis, that helped a lot) in detail in this thread:
iPhone-Mac connection issue ...
- 21
0
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0
answers
38
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Does Apple authorised repair centre reapply the “IP68” rating fully, after changing battery?
I am thinking of buying a refurbished iPhone 13 Pro from an Apple-authorised service provider (I live in Portugal and there is no Apple Store). They said the battery of the refurbished unit will be at ...
0
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1
answer
388
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My MacBook Pro battery disabled/damaged after using software?
I replaced my MacBook Pro battery six months ago and have been using a charge limiter app called AlDente to maintain its health. I used it for a month but suddenly this morning, my battery stopped ...
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5
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3
answers
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Two MacBook Pro with same model number (A1286) but different year
I have a MacBook Pro Unibody Mid 2012 15''
When I looked up the model number online, it says I have A1286
Since more than a month, the WiFi stopped working and shows Wi-Fi: No hardware installed. A ...
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0
answers
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I tried to uninstall Asahi Linux by removing the partition but now it just says (free space)
I had tried to install Asahi Linux but I got into an endless boot loop. To fix it I tried removing the partition which the script had created. I tried to refer to a few blogs but for some reason ...
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0
answers
55
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iPad 2018 completely dead
I have a iPad 2018, which will not turn on anymore. I was just browsing on safari and suddenly the iPad crashed and will not turn on anymore. I tried the following:
Charge the iPad (with different ...
-3
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1
answer
774
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What does PECI stand for in PECI CPU temperature?
I used istats scan to get a list of all my temperature readings.
What are TCGC PECI GPU, TCSA PECI SA, and TCXC PECI CPU? I think the TCXC etc. are just codes that refer to these sensors, but what ...
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2
votes
1
answer
446
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How does the iPhone know you're not a certified service vendor?
I was wondering about how an Apple iPhone “knows” that you aren't a certified service provider when, for example, you replace the battery.
I'm aware that it checks the serial number of the battery ...
- 133
0
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0
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58
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Is it possible to use an extension cable to wire iPhone Touch ID to logic board directly?
I have an old iPhone 8, that during one repair attempt, I ripped apart the flex cable that connects the Touch ID. The broken part is the segment that comes out from the screen back and connects to the ...
- 121
0
votes
1
answer
42
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Is possible upgrade RAM for a MBP 13.3/2.9/2X4GB/750/SD? [duplicate]
I have an old MacBook Pro - it is:
MBP 13.3/2.9/2X4GB/750/SD
Model No: A1278
I want to know if is possible upgrade to 16 or even with 32 GB of RAM - if yes, what are the correct specs of each memory?...
- 481
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0
answers
345
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How to test middle-mouse button
I have a bog-standard Tecknet USB mouse.
I'm having trouble with my MMB when using Blender (3D). At first I assumed it was a software issue but now I'm thinking maybe its the button itself.
Is there a ...
- 101
0
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0
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54
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MacBook Pro 2012 black screen at boot [duplicate]
I have an MBP 2012* [non-retina] I recently acquired.
It worked just fine for several weeks until I left it, fully shut down & not on charge [mode 25 iirc] for two weeks.
I assume the battery went ...
- 113k
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0
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137
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Possible to force MacOS from switching input audio source while plugging in headphones?
It's usual to have the audio sources (both input & output) switched automatically when a new hardware is plugged in (headphones, speakers etc. into the 3.5 mm headphone jack). But what I want is -
...
- 157
1
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1
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148
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How to tell from the hardware if logic board is Core i5 or i7?
I have a faulty logic board that I removed from a MacBook Pro, 13 inch, Late 2016; my problem is that I forgot to mark down if it was an i5 or i7 logic board before removing the part. The board has ...
- 121
0
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1
answer
231
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MacBook Air M1 - What is this spare part of the display called?
I broke my display by closing it while something was left in the gap between body and display panel. There seems to be some sort of sticker covering the lower part of the display and I wonder if this ...
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1
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42
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Repair Macbook Keyboard [duplicate]
I have had a problem with my keyboard for over a year. Most of the time the letters between E and O don't work, so I'm forced to use another keyboard. I have noticed that pushing on the keys can help ...
- 135
2
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0
answers
315
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M1 MacBook Air playing both channels of audio out of the left side
My late 2020 M1 MacBook Air has picked up a new quirk: audio from both the left and right channel is only coming out of the left side speaker. What's odd about it is that if I play a "stereo test&...
- 21
0
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0
answers
32
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MacBookPro 13” Retina Early 2015 system overloading
I have an Early 2015 MacBookPro 13" which I use actively. The specs are as follows:
3,1 GHz Dual-Core Intel Core i7
16 GB 1867 MHz DDR4
Intel Iris Graphics 6100 1536 MB
I mainly use it for ...
- 1
0
votes
1
answer
510
views
Which key mechanism do Apple Magic Keyboards use?
Apple currently has 2 different Magic Keyboards:
A2449 Magic Keyboard with Touch ID
A2450 Magic Keyboard with Lock Key
I'm trying to decide between the two. I don't necessarily need Touch ID, but I ...
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0
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0
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213
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Keyboard and fan problems after battery replacement in 2017 MBP
I just replaced the battery in my 2017 Macbook Pro (no fancy bar above the keyboard). I used the Egoway battery for A1708, which is the model number shown on the bottom of the computer. I had read ...
1
vote
1
answer
44
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Diagnosing failed Wi-Fi on 2018 MacBook Pro
I tend to collect MacBook Pros as I upgrade. I recently dusted off a 2018 MBP because I needed an Intel processor (my current Mac is an M1), and it seems the Wi-Fi no longer works.
That is, the system ...
- 135
0
votes
0
answers
314
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Very poor performance of Apple AirPods Pro 2nd generation
I guess it took me this long (almost 2 months) to recognise in plainer terms that my new AirPods Pro (2nd generation) have consistently had severe connection problems and overall really poor ...
- 303
2
votes
1
answer
1k
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The uniqueness of Neural Engine of Mac, among the chip industry/market
From Wikipedia:
The neural engine allows Apple to implement neural network and machine learning in a more energy-efficient manner than using either the main CPU or the GPU. However, third party apps ...
- 151
2
votes
1
answer
171
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2009 iMac Display has thin transparent vertical lines
I recently got a 2009 27 inch iMac. I noticed the display has weird thin transparent vertical lines shown in the photo below.
The lines don't obstruct anything, and are less visible the farther you ...
- 141