Questions tagged [hardware]

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

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1answer
27 views

Run 10.10 on a machine upgraded to 10.14

Are there any firmware updates, or other changes, done by the 10.14 installer that could cause a 10.10 system to not work? To quell all the "why would you want to do that?" questions, here's the ...
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0answers
29 views

Spotlight Significant Energy Usage

The battery life on my MBP 2017 has recently decreased to around 3-4 hours after lasting around 8-9 hours for the past 9 months. Activity monitor also shows spotlight having an average energy impact ...
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1answer
38 views

Is Apple still using proprietary SSD connectors on 2019 iMacs?

My old workhorse 17" MacBook Pro (circa 2011) finally gave up the ghost after 8 years of reliable service (may it rest in peace), and I'm looking into a 27" iMac to replace it. I want to buy the high-...
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3answers
13k views

Why is my MacBook Air is making ticking sounds?

Recently, my MacBook Air began making ticking sounds at regular intervals once powered on, akin to the sound of a woodpecker. The sounds occur at regular intervals, beginning every 5.2(ish) seconds ...
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1answer
48 views

How to get RFID scanner to connect to MacOS

I am using a RFID scanner: https://www.aliexpress.com/item/1857525758.html This scanner connects via USB to Windows and Rasbian without special firmware. When I plug it into my Mac, however, it ...
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0answers
15 views

Display issues after doing some cleaning and upgrades - Apple MacBook Pro 15" A1286

Problem: So I bought a MacBook Pro 15” mid 2012 (A1286) recently with the idea to upgrade a lot of the parts to make it more powerful. The model I ended up buying was the highest spec CPU 2.7GHz i7-...
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0answers
27 views

Frequently Have to Reset SMC to turn on MacBook

So over the last 2-3 weeks my 2014 13 inch MacBook Pro has developed an issue. I have to reset my SMC in order to power it on. This has occurred about 4-5 times. Additionally, my battery is on it's ...
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1answer
27 views

How can I check if my MacBook Pro is shut down without turning it back on?

Sometimes I like to shut down my Macbook Pro (e.g. if I know I won't be using it for some time and I want to save battery). Unfortuantely, I can't figure out any way to actually check that it's shut ...
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2answers
56 views

Does charging to 100% damage an iPhone battery

I have an XR and as I am indoors a lot of the time, my phone does spend a few hours charing at 100% (although I unplug at night). It's rare that I let the phone run past 80% and even rare that it ...
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0answers
20 views

Macbook Pro A1502 Retina 13 inch 2015 won't boot past login screen

My Macbook Pro A1502 won't boot past login screen. After I enter my password, it just stays there. The problem started with when i got a prohibitory sign on my laptop after booting. Took it to a Apple ...
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1answer
19 views

Can I submit an app to the App Store that needs a hardware device not available in the market(yet)?

I am working on a project where im developing a circuit (Raspberry Pi) and an iOS app where the app is used to communicate (via Bluetooth Low Energy) to the Raspberry, only to setup some credentials. ...
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3answers
21k views

How to monitor and control thermal CPU throttling in OS X?

I recently came across the Intel Extreme Tuning Utility for Windows. I tried it under Bootcamp Windows and it was very interesting to learn in what situations my MacBook Pro's (mid2012) CPU is doing ...
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0answers
12 views

Precisely timed Custom Vibrations

Is there a way create a precisely timed Custom Vibration in iOS 13 or later? Additionally, is it possible to make the vibration short enough to mimic the 3D Touch haptic feedback on devices with the ...
3
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1answer
726 views

How do you get the angle of the lid from the CLI?

I know that you get whether the lid is open or closed from: ioreg -r -k AppleClamshellState -d 4 | grep AppleClamshellState. What I want to know is if the lid is open, what is its angle relative to ...
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1answer
74 views

How to minimise the risk of using a MacBook Pro 2015 recalled due to battery faults

My MacBook 2015 pro Retina 15'' has to be recalled by Apple. The reason is that its battery may be a fire hazard; eg macromors. Apple said the repairs can take two-three weeks. Because of my work, I ...
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9answers
11k views

Why does my Magic Trackpad 2 randomly disconnect and stop clicking?

Hey there fellow users, I purchased an iMac (Retina 5K, 27-Inch, 2017, macOS 10.13.4, 4.2 GHz, 32GB, 3TB Fusion Drive) less than three weeks ago, and had it delivered by Apple here in distant, little ...
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2answers
86 views

What is the voltage output of an Apple 85W MagSafe 2 model A1424 without a load?

I’m looking to understand how to test and evaluate chargers so this is a bit technical a problem. Since MagSafe is proprietary, I can’t consult a USB power distribution specification to know how ...
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4answers
514 views

My keyboard can only produce 95 characters?

I have heard from multiple sources that a standard QWERTY keyboard can produce 96 different characters, not counting the option key characters. Here is a picture of my keyboard: I highlighted in red ...
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2answers
1k views

Why doesn't a stripped/cracked MagSafe power cable shock?

Behold, the fate of all (poorly handled) MagSafe power cables: Why doesn't this shock me? I've read that MagSafe cables are low voltage, but I don't even get a tingle. Is there any danger of shock, ...
2
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1answer
80 views

Should this hardware piece look like this?

In the image you can see the hardware part of the battery (I think) and it looks weird with all the white things. Is this normal, because the Mac was recently bought. This is a MacBook Air 2019. ...
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7answers
98k views

Is there any software for checking hardware in iOS?

Is there anything like this in iOS for iDevices ?
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2answers
48 views

Could I take a Core i7 form a 2012 MBP and put it into a 2018 MBP?

I know very little about computer hardware so I thought I might as well ask. I have an Intel Core i7 in my MacBook Pro Late 2012. I am considering getting a 2018 MacBook Pro. I was wondering if it is ...
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2answers
34 views

MacBook Air Early 2015 SSD > MacBook Pro Early 2013?

BLUF: Can I use the SSD out of a MacBook Air in a MacBook Pro 13? I have a road worn but otherwise fine MacBook Pro 13"/Early 2013. About a year ago it started having issues with crashes and hangs. I ...
5
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1answer
533 views

How to turn on red light (digital audio) inside of the 3.5mm headphone socket on macbook pros?

So apparently many macbook pro models have a digital audio output hidden inside their 3.5mm headphone jacks. Example. I thought this was physically activated by the mini TOSLINK plug, but recently I ...
43
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3answers
70k views

GPU problem - Boot Hangs on Grey Screen

I found this according to my problem in this thread: Boot hangs on grey screen (even when booting from USB drive with fresh OS X install) My MacBook Pro 15" Early 2011 with AMD Radeon HD 6750M ...
2
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1answer
26 views

MacBook Pro (2011) shows flashing folder at startup but the disk is valid

I have a MacBook Pro (early 2011) and recently the laptop boots to a white screen that flashes a folder with a question mark. I know that means the laptop cannot detect an available startup disk. I ...
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0answers
28 views

iMac 27" 2010 Graphics Card Issue

I have a 27" iMac and the graphics card started giving me issues. I'm not a Mac expert but I've tried this and this and this and this but no luck. Also, I haven't tried baking the physical card, I'm ...
70
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10answers
33k views

What are the best practices for battery longevity?

How do you maximize the cycle count of your battery? There seems to be a debate between: Leave plugged in 24/7 but do a full cycle once a month Charge to ~100%, drain to ~10%, repeat. NOTE: Taking ...
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0answers
45 views

MacBook Pro randomly hangs after water damage

I had water damage on my MacBook Pro trackpad. After that my mouse cursor started randomly trembling. I turned off the MacBook, washed it with isopropyl alcohol and after that it began to randomly ...
5
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2answers
9k views

Why does the USB-C Ethernet adapter get hot, even when unplugged from ethernet?

The new MacBook Pro have a bunch of USB-C ports and no ethernet port, so you have to use an adapter. The issue is that as long as the adapter is connected to the MacBook, it gets very noticeably hot, ...
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2answers
55k views

How to use iSight webcam without activating the green light?

Recently a the Dutch government advised to put a tape on your webcam to prevent hackers from taking pictures and video using your device (news article in Dutch). The build in iSight camera in Apple ...
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0answers
29 views

Is there a way to easily test the speed and power capacity of a USB-C cable?

Specifically in a macOS / iOS household (i.e. not looking for solutions that calls for Windows software). I have a number from varying sources and definitely they are not equal. For example: The C-...
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1answer
389 views

iPhone X has a green line on the left of screen. How to fix it?

My friend got this iPhone X and it suddenly has a bright green line on the left side of the screen. Whole display getting bit greenish because of it. The warranty is also finished because it's more ...
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0answers
10 views

2010 MacBook Pro motherboard doesn't POST, 2 blinks on the sleep LED

I bought a 2010 MacBook Pro motherboard and misc. parts (optical drive, cables, etc.) for dirt cheap, with the hopes of testing all the parts it came with so I could part it out and sell it. I bought ...
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0answers
39 views

MacBook Pro late 2013 (Model: A1502) won't boot or respond to any Input

I have a big problem with my MacBook Pro late 2013 it does not boot or light up in any way. Current behavior The only reaction that I get is, when I connect it to the powercord and start with the ...
4
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2answers
2k views

How can I get my 13" MacBook Pro to detect the NVMe m.2 drive that I installed?

Today I installed a Samsung 970 Evo 1TB on my 13" mid 2014 MacBook Pro. I used an adapter that is not the small sintech one that everyone else seems to be using but is a different sintech similar one ...
7
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4answers
638 views

Finding out if upgrading to a newer macOS version will cause issues?

I'm going to be upgrading my Macbook Pro (mid-2012 model) from its original OS X Lion 10.7 installation to a newer version of macOS. It looks like Apple will allow me to upgrade from Lion directly to ...
2
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1answer
66 views

dd input/output error. No information in error string

I am using a MacBook macOS Mojave 10.14.5. I can list the device with diskutil list, but it isn't mounted. I perform the dd command below. The output states input/output error, which doesn't give a ...
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0answers
38 views

Fan speed semi-permanently at max despite PRM & SMC reset & setting fan speed manually

I have a 13-inch MacBook Pro from early 2011, with custom SSD & Memory upgrade. For the last few months, the fan has been running at max speed or close to it. To fix it, I've tried: Resetting ...
17
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9answers
14k views

What external hardware allows a fingerprint to login/unlock a Mac?

I own a mid-2009 MBP with OS X Mavericks installed. I'm a hi-tech enthusiast who wants to use the fingerprint scanning feature made available by many scanners on the market to login into my account ...
1
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1answer
36 views

Selling water damaged MacBook Air 2017: Is it safe to simply remove the SSD?

I water damaged my Macbook Air 2017 and it will no longer turn on. I was thinking of selling the MBA for some money but wanted to make sure that my security is not compromised. If I remove the SSD ...
4
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6answers
24k views

Top row of keyboard isn't working

I just turned on my Macbook air this morning and now the top keys aren't doing anything (F1, F2, etc). I can't turn down my keyboard light or anything. I tried going to system preferences and checking ...
2
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3answers
211 views

Cannot login to macbook pro due to keyboard not working. Mouse can move, but not click

I was just watching a youtube video on chrome with no other programs running, when my keyboard stopped working. I could still move the mouse with the trackpad, but not click. I could use the upper ...
1
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0answers
38 views

MacBook Pro Fans Won't Turn On

I just bought a refurbished Macbook Pro (Retina, early 2013). It seems to be overheating and shutting down without the fans ever coming on. I first noticed the problem while trying to download a game. ...
3
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1answer
31 views

Why are Apple Watch activity rings moving on by themselves?

I am observing my Apple Watch activity rings are moving insanely. I did talk to customer service they were also unable to help me. Did anyone face the issue before? What happened today? I wore the ...
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0answers
359 views

Identify what version of DisplayPort supported on the Thunderbolt port

How do I tell what version of DisplayPort is support on a Mac’s Thunderbolt port, when running macOS El Capitan or Sierra? I tried using the System Information app. No item listed for “DisplayPort”....
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2answers
4k views

How do I disable the charging chime with Mojave on 2018 a MacBook?

Searching for commands to disable the charge chime, I have run both of these. defaults write com.apple.PowerChime ChimeOnAllHardware -bool false; killall PowerChime defaults write com.apple....
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1answer
1k views

Can I upgrade the size of my Fusion Drive from 1TB to 3TB?

I bought a new iMac last summer and went with the 1TB Fusion drive. It works well, but is already full. Is it possible to upgrade the size of the fusion drive myself? Can I buy a 3TB internal drive ...
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1answer
292 views

MacBook Pro 15 speaker wattage

I am interested in knowing the technical specifications of the speakers supplied with the 15 inch MacBook Pro (2018). They sound distinctively more loud as compared to any other laptop on the market. ...
3
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1answer
52 views

water splash caused minor iPad Power Button problems, what is the risk of mainboard corrosion?

Summary Water splash on iPad Pro 12.9" (first generation) Power button stopped working, then few times appeared to press itself, then started working again. Third party repair service refused to open ...