Questions tagged [hardware]

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

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2
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0answers
22 views

Feel electric shocks after using MacBook Pro

I know many people would feel electric shocks when touching a charging MacBook. However, my situation is the opposite: after using MacBook, for example, if I touch the mental door handle, I will be ...
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3answers
2k views

Can a 16“ MacBook Pro be reverted to an OS before Catalina? [duplicate]

I want to get the new 16" Macbook Pro which ships with Catalina, but I don't want Catalina at least for now because of how many legacy apps it breaks, not to mention Avid/Protools hardware which ...
2
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0answers
186 views

Have there been any documented typos on genuine Apple products? [closed]

The comment chain under an answer on this question brought up an interesting question. Have there been any documented typos or production mistakes on genuine Apple products released into the wild?
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23 views

Mid-2012 Macbook Air doesn't always wake of from sleep running Arch Linux

My mid-2012 Macbook Air often powers off if the power cord is detached while it is suspended, and sometimes, regardless of the cord, it doesn't wake up from sleep. I have had this problem since I ...
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0answers
19 views

Catalina - Video (& Audio) stop often and don't work for a while

I have a 13" MacBook Pro with TouchBar, 2018. Since some time I'm having video and audio problems. What usually happens is: I'm listening music (Spotify/Youtube), watching a movie/serie (Netflix (...
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1answer
28 views

Moving an SSD from a MBP 2014 to a 2015

If I want to transfer a 256 SSD with everything on it (OS Catalina) from a mid 2014 Macbook Pro 13" to an early 2015 Macbook Pro 13", will it work? Or should I reinstall it?
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28 views

MacBook Pro (mid 2012) does not detect internal screen

I have an old MacBook Pro 13 which does not react as it should. after a liquid damage i have changed the display. Unfortunately it only recognizes the internal display when I connect an external one. ...
-1
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1answer
77 views

When will we have LPDDR4x memory in MBs/MBPs?

Apple just announced their much expected 16" MBP, which still features DDR4 memory in order to be able to support more than 16GB RAM. I find that a bit disappointing, and am a bit puzzled as to why we ...
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0answers
27 views

Macbook Pro Mid 2015 booting to a black screen

I am using a Macbook Pro 15 inch Mid 2015. Running MacOS Catalina. I believe it is most up to date as of 11/7/2019, but I am unable to check. Issues started a few days ago when my machine started ...
2
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1answer
21 views

Keyboard backlight not working for some keys

Many similar questions I've read here have to do with backlights not working at all or when dimmed. My problem is that the number 6 key is not illuminating. All other keys are working as they should. ...
1
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1answer
32 views

How can I charge my MacBook Pro and not block one thunderbolt 3 port for other uses?

I record high school bands when they go to contest using Sound Studio. Each of three judges is also making digital recordings on hand held recorders. While I am recording one band through a mixer ...
0
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1answer
22 views

Understanding Processor specifications

I'm not sure what a CPU-specification like "3 GHz Intel Core i5" really means. Does it mean that there are five cores with 3 GHz each? Or are there 3 GHz distributed between the five cores? What ...
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0answers
19 views

USB DAC to Thunderbolt 2?

I have a 2013 iMac with Thunderbolt 2. I want to connect a USB Digital to Analogue Converter (DAC) to the Thunderbolt port to minimise the traffic on the USB bus. Any recommendations?
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1answer
33 views

Opened iPhone SE wrong - screen with lines and no video

I just yanked my phone screen a little when opening my SE. Now the display turns on but has lines and looks very broken. I am pretty sure it's the ribbon cables but I don't know where to get ...
1
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0answers
14 views

Screen glitches after installing ATI Radeon HD on my old Mac Pro

I decided to try and upgrade my old 2009 Mac Pro and update it based on the various guides that I've seen online. I figured the best 1st step would be to make sure that I flash it from 4.1 to 5.1, and ...
1
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1answer
25 views

Browse data on old machine's HDD, without booting machine or removing HDD?

For my current laptop I have a 2017 MBP running macOS 10.14. I have 2 older Mac laptops which I wish to get data off, one of them is a 2007 Macbook and the other a 2004 iBook. Other than ...
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0answers
50 views

Macbook Pro Early 2015 (A1502) Keyboard not Working Sometimes

I'm currently using a macbook pro 2015 early, i updated to macOS Catalina 5 days ago, on the first day the keyboard was working fine, but they keyboard started freezing at random times (Only the power ...
2
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1answer
455 views

Internal keyboard randomly stops working (after upgrade to Catalina) - any way to reset it?

Is there anything like a reset of the internal keyboard device that I can try doing instead of having to restart my MacBook completely? The internal keyboard on my MacBook Pro just stops responding ...
6
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1answer
2k views

RAM stress test

I'm spec-ing a new MacBook Pro and want to know how much memory my workload requires. I'm doing my development work on a 2011 iMac with 16GB of RAM and want to know if I need that much memory for my ...
3
votes
1answer
33 views

What does MacBookProX,Y refer to?

The MacBook Pros have long used a codename MacBookProX,Y. Apparently the X refers roughly to a generation. One generation can possibly span more than one "early", "middle", "late" period of one year, ...
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2answers
44 views

Connect Mac CD drive to another Mac

Question: Can I take apart a CD drive from an old MacBook Pro and connect it to a newer MacBook Pro that does not have a CD drive? Background: The old MacBook Pro is broken, but the CD drive still ...
1
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1answer
2k views

AirPods 2nd Gen. with firmware 2A364 dropped volume level in non-iOS Devices

When I bought new Airpods 2nd gen, the firmware it came with was 1A673. The volume level on my android phone (OnePlus 6T) when connected was quite loud and everything was good. But when I connected ...
2
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2answers
37 views

Any good memory test for newer Macs (2015 and later) [closed]

I'd like to be able to test memory thoroughly in Macs (2015 and later, for older Macs I use Apple ASD tests). I tried Memtest but it won't boot from a thumbdrive for some reason.
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1answer
77 views

Can a lightning cable plug get short circuited by a metal surface?

I have a couple of lightning connectors on a flat surface, ready to plug into an iPhone or iPad for charging. At the same time, a Macbook or iPad is sometimes placed near that surface. Can the body ...
0
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0answers
63 views

Is it normal for MacBook Pro to get extremely hot under idle loads? [duplicate]

I have a 2019 MacBook Pro and this is about the first Mac I've worked with. The metal case above the keyboard gets extremely hot even when I'm not using the MacBook but have it on. Under normal and ...
0
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0answers
55 views

MacBook Pro 2018 Unexpected Battery Issue (Sometimes not charging)

My MacBook Pro 15 i7 2018 bought in March, have an unexpected issue. An unpleasant situation happened to me. The computer, with the lid closed in sleep mode, was charged all night from the original ...
5
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1answer
114 views

Permanently Disable Bluetooth on MacMini 2019

I realize this was asked back in 2014 with this question, but hardware and software has changed a lot over the last 5 years. Here's the specifics of my situation: We haven't purchased the device ...
2
votes
0answers
44 views

Macbook 2015 with normal battery won't charge even after SMC

My MacBook won't charge. Here are the things I have done so far: I tested the MagSafe charger to another laptop to make sure it is not faulty ( MagSafe is working ) I did the SMC reset ( shift + alt +...
1
vote
1answer
49 views

MacBook Pro new battery not charging. Defective?

Model: MacBook Pro 13" Retina early 2015 My MacBook Pro had a battery in the condition "Replace now" so I bought a new battery on ebay and got it replaced. The problem is the MacBook identifies the ...
1
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1answer
28 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
291 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 ...
2
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1answer
147 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-...
0
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0answers
19 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-...
1
vote
1answer
129 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 ...
1
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0answers
40 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 ...
0
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1answer
29 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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0answers
52 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 ...
4
votes
2answers
89 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 charging at 100% (although I unplug at night). It's rare that I let the phone run past 80% and even rare that it ...
1
vote
1answer
26 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. ...
1
vote
0answers
16 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
votes
1answer
730 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 ...
1
vote
1answer
77 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 ...
2
votes
1answer
81 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. ...
1
vote
2answers
139 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 ...
3
votes
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 ...
0
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2answers
85 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 ...
1
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0answers
52 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 ...
2
votes
1answer
42 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 ...
1
vote
1answer
4k 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 ...
0
votes
0answers
54 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 ...