Questions tagged [hardware]

Matters involving physical computer components, circuitry and parts, as opposed to matters of software or computer programming

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Mac Pro 3,1 Power Up No Chime Nor Boot

My Early 2008 Mac Pro won't boot. Won't do much, actually. This is what I've done: replaced the power supply removed DVD player removed all RAM removed all video cards (I have a handful of ...
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1answer
317 views

What is the purpose of this plastic piece inside my MacBook Air?

I have a MacBook Air (13-inch, Early 2015). The model number is A1466 (EMC 2925). I recently removed the bottom case (in order to fix my trackpad) and immediately noticed broken plastic pieces inside ...
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1answer
20 views

MBP water damage diagnosis

I accidentally spilled water on to my 2017 MacBook Pro (Touch bar) (keyboard and trackpad), and because I panicked a bit I used the immediate reboot key (shift+control+option+command+power) instead of ...
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1answer
20 views

Macbook Pro 15inch mid 2010 won't detect internal hard drive

My mid-2010 Macbook Pro displayed the question mark on boot. I bought a new hard drive (SSD) thinking the hard drive failed (had a SSD in there). After replacing the SSD, I still had the same question ...
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0answers
54 views

Bluetooth Explorer removed from Xcode Tools in 12.x?

Apple's Additonal Tools for Xcode package includes a great set of tools that are useful even for non-developers. One of these is Bluetooth Explorer, which, among other things, can help enable the ...
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4answers
2k views

What type of power cable does the HomePod mini use?

Apple has released a new, smaller version of their speaker: HomePod mini. One of my complaints with the original HomePod was its use of a proprietary power cable connector, which made it difficult to ...
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49 views

Macbook Pro 16 inch CPU clock oscillating and graphics lagging

EDIT 3: It's nothing to do with which GPU the system is using. The thing that seems to be triggering the failures is wifi. If I switch wifi off from the Apple menu then the CPU ramping stops, the ...
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2answers
58 views

Macbook not detecting all USB keyboard keys

I have a Macbook Pro 2019. I recently purchase the Corsair K68 RGB keyboard which has a common USB Type-A connector. I used OTG for USB A to USB C. The first time mac detects the new device. Worked ...
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1answer
24 views

Upgrading RAM, iMac 27'' 2019: Is it better to mix Apple/Crucial modules, or substitute all old modules with new ones?

In an ideal situation, if money is not an issue, what is a better option? I have an iMac 27" 2019, with 2x16 GB RAM original modules from Apple (2 slots occupied, 2 slots empty). Using the "...
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1answer
28 views

Installing 2 x 16Gb and 2 x 32Gb on an iMac 27" [duplicate]

Got a 2019 iMac 27" with 4 RAM slots. I have 2 x 16Gb and 2 x 32Gb RAM modules. This is how they are installed right now. Is this the most optimal way to install them, or the sequence does not ...
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1answer
64 views

Can I format the internal HDD in my iMac if using an external drive for the OS?

I have an iMac Mid 2014, I am looking to use an SSD as an external bootable drive as per this video. This will result in the old internal drive showing up in finder with the old OS files and therefore ...
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Replaced Ambient temperature sensor in imac mid 2011 (A1314) fans still blowing at full speed

My iMac fans started blowing at full speed for sometime so I rebooted and ran diagnostics and received an ambient sensor error, image attached below. I had been considering adding an SSD in addition ...
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1answer
18 views

5 Vertical pink lines - Imac 2011 - Won't boot up

My mac was running fine one day then suddenly powered off and tried to restart itself. Upon restart it was stuck with the loading status bar and the screen had 5 vertical pink lines across it. Having ...
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0answers
24 views

A1502 trackpad unresponsive and keyboard occasionally erratic

My computer is a mid-2014 retina MacBook Pro. After five days of sleep, the trackpad stopped responding to touch input, and couldn’t be revived by any number of NVRAM/PRAM/SMC resets. Most recently, ...
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0answers
25 views

Is Airpod Pro knock-off using H1 Chip?

I got my hands on Chinese Airpod pro knock-off that came with Apple logo and surprisingly same packaging with additional buds. Also to my surprise they were paired with iphone quite quickly just like ...
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1answer
19 views

iPhone 7 has magnetic area next to flashlight

I put my phone down on a table before where I had some nails on and has stuck to my phone. Does anyone with an iPhone 7 and if so can they see if their phone has a magnet next to the flashlight on the ...
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1answer
64 views

High kernel_task CPU usage

I have a 2019 15" MBP which has had a string of issues, but is passing all hardware tests when serviced at the Genius Bar: November 2019–March 2020 Mac freezes daily, usually towards the end of ...
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0answers
39 views

MacBook Pro Mid 2012 randomly shuts down screen goes black

I have a mid-2012 MacBook Pro running Catalina. Recently my computer just went black -- and I could restart it easily enough. It was as though it went to sleep. I could restore the windows and apps ...
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1answer
80 views

Unusable Macbook pro screen

My Macbook screen has started flickering and is unusable: I've tried restarting but does not fix. It seems to be isolated to the Macbook screen as an external monitor still works. It was not dropped ...
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0answers
52 views

Macbook pro 2011 Late cannot enable dGPU again

I'm struggling with some problem involved with enable dGPU AMD Radeon. To the needs of installation MacOS Catalina I had to disable discrete graphics card. I reboot into recovery mode and used command ...
2
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1answer
192 views

How does a generic bluetooth mouse / keyboard work with macos without installing any driver?

Some generic brand bluetooth keyboard / mouse work fine on macos. Does macos have a built-in common driver api (for mouse and keyboard) that all these device use or is it some specification in the ...
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1answer
23 views

Finding a drive adapter to re-use the old hard drive from a Macbook Pro early 2015 13"

I recently upgraded the hard-drive on my Macbook Pro 13" early 2015 model. I'd like to use the old 128gb hard-drive as an external USB disk, but I'm having trouble finding the adapter to make it ...
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0answers
27 views

Fresh battery replacement already showing degradation

I have a 2019 MacBook Pro 15 inch running MacOS Catalina (10.15.6) which had the top case (battery) replaced in July 2020 due to significant battery degredation over the 1 year I had owned it. The ...
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1answer
51 views

My Mac machine is extremely slow all of sudden? [closed]

It was functioning very well until all of a sudden it went extremely slow, I still had a good size of hard disk space and to top it off I reset, wiped out entire disk and reinstalled the OS, even ...
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1answer
34 views

MacBook Pro 13” mid-2012 iSight cable port broken

I accidentally ripped the iSight display port away from the motherboard on my MacBook Pro during a display replacement. I’m fine with working without a camera since the quality is bad anyway. The ...
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0answers
30 views

Mac Pro Wired keyboard sending garbage

Mac Pro 2010. Keyboard in use since beginning. No problems for a decade. I've had keyboard failures before, but usually they fall into the following categories: Doesn't work at all. One key doesn't ...
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0answers
13 views

MacBook Pro Fan broken again

I replaced my MacBook Pro (mid-2015)'s left fan as I noticed it had stopped working (had to investigate what was causing the kernal_task to use all CPU and completely slow laptop down). The right fan ...
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0answers
25 views

2012 Macbook Pro Black Screen, Fan Spins Up Fast and can't be powered off

I was recently asked to fix a 2012 Macbook Pro 13" (MD101LL/A*) and was told it had a drink spilled around or on it. So it has a green light on the charger and will power on. But the symptoms are ...
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0answers
58 views

Right Arrow Key spontaneously stops working after startup

Right Arrow Key spontaneously stops working after startup Context: Sometime today, I noticed that my right arrow key was not responding. I first was unable to skip forward 5 seconds on a YouTube ...
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2answers
28 views

LCD model number or disabling discrete GPU for MacBook Pro 15 Retina 2012-2013

While trying to replace the battery, I must have damaged certain connection to the discrete gpu. Whenever trying to use discrete gpu, the computer would freeze. After trying to reset VRAM, it ...
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1answer
38 views

My Mac 3,1 isn't recognizing one CPU - Dual Xeon

I have a mac 3,1 with dual Xeon's. It definitely has 2 CPUs because when I bought it I checked system information and is said 2 CPUs and I put better thermal paste on both of them just just to improve ...
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0answers
45 views

My MacBook Pro Shocks Me When I Connect It To A Three-Prong Charger

There are already many questions about how to solve a problem where touching a MacBook Pro while it is charging gives one an electric shock. In most of cases, connecting a three-prong extension to the ...
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0answers
34 views

Dell Monitor with Apple PC

I have a 2015 Mac Book Pro. I tried connecting it to an external Dell Model No. E176FPf using a VGA adapter, but nothing happens. I'm guessing this monitor is just too old to be compatible with newer ...
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0answers
28 views

How to check if my laptop supports GPU-based calculations?

I've done search but still no clear answer. I have a laptop - MacBook, Catalina, 10.15.5 MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports) Intel Iris Plus Graphics 640 1536 MB Does this video card ...
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0answers
29 views

MacBook Pro 15 uses 60+ GB of swap memory

So, today something quite weird happened. I was watching a video on my MacBook Pro, and I noticed the fans started to ramp up quite a bit. I didn't think too much of it at first, since it often ...
2
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1answer
59 views

Can I boot my mac without pressing the power key?

Back in the day you could start a Macintosh using the power key on the keyboard (like the Apple Extended 2 has one in the top right). These days we have many (more) input options like: Power, USB, ...
2
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2answers
73 views

iMac shut down due to power outage; started working after a few hours

I am using an iMac which got shutdown due to sudden power cut. Once the power came back it wasn't starting up. However, when I tried again after few hours it started. Can anyone please tell me what ...
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1answer
693 views

Macbook Pro 16" USB-C to DisplayPort not working

I'm trying to connect a MacBook Pro 16" to my external display through DisplayPort with these devices : Cable Matters Adaptater USB C to DisplayPort DisplayPort Cable External display : iiyama ...
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1answer
24 views

2013 Macbook Air can't get past grey screen

We were camping, I was trying to pull up a movie and it froze. It was completely unresponsive, I didn't see the kernel panic message but I forced a restart by holding down the power button. On booting ...
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1answer
182 views

Macbook Pro 16 Thunderbolt ports dead/damaged twice after used with Samsung CJ89 43" monitor with USB-C

I have a brand new 2019 MBP and I hooked it to a Samsung CJ89 43" monitor directly through USB-C. It worked for a while and then suddenly the built-in screen started flashing and then the ...
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1answer
18 views

iPhone 8 on iPhone 6 analytics

I have a strange issue where I have iPhone 8 on my iPhone 6 analytics. Listed in analytics as: AppVariant: 1:iPhone8,2:13. I have an iPhone 6.
3
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2answers
33 views

Identify tower being used in iOS

At my cottage field test mode tells me I am -116 dB. I need a booster with a yagi. The problem is where to aim it. There are two towers about the same distance but very different directions. Is there ...
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1answer
77 views

iMac mid 2011 T2 secondary heatsink heating up

My iMac mid 2011 started heating up about a year ago to the point that the hard drive broke and had to be replaced. I managed to replace the hard drive and I also replaced the power supply module as I ...
2
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3answers
130 views

Apple Repair Service Image of cracked bezel -or- what am I looking at?

A simple battery exchange for a 2014 15" Macbook Pro turned into a major repair - at least that is what Apple's Repair contractor claims. All I got after a very disappointing chat and call with ...
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1answer
48 views

Why did my 2017 12” MB go into kernel panic (page fault)?

I was just browsing using safari, had word, notes, chrome and maybe some other light apps open in the background but nothing heavy. Suddenly my mac shutdown and restarted with the "restarted ...
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0answers
24 views

MacBook Pro wildly oscillating CPU frequency under load

I've been struggling a lot lately with keeping a stable CPU frequency under load for my 2.8 gHz 2015 MacBook Pro 15". I've tried numerous methods, including resetting SMC, NVRAM, hardware ...
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0answers
17 views

Certain key combinations (involving CMD) don't work

My left command key is not working for certain key combinations, but it works fine by itself, and in some other combinations. e.g. Fails: left-cmd + tab (switch apps) left-cmd + w (close window/tab) ...
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0answers
25 views

Reattaching microphone on iMac 21.5" 2017

After reassembling a 21.5" 2017 Retina iMac (and being careful that the adhesive strips on the bottom don't block the mic), I noticed the microphone was extremely muffled. The delicate mic cable ...
0
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2answers
134 views

My 2014 MacBook Pro is not able run external monitor at high refreshrate

I recently bought a Acer 2K 144Hz monitor to pair with my 2013 Retina MacBook pro. I am connecting the monitor to the MBP via Thunderbolt port to DisplayPort cable. As far as I know, my MBP should ...
0
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1answer
18 views

iPod is not Charging

When I connect my iPod shuffle to my computer it is not pulling up the profile that I can put music on normally it will pull up but it not pulling it up for me, and it won't charge it. Another thing ...

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