Questions tagged [hardware]

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

174 questions with no upvoted or accepted answers
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MacBook Pro frequently reboots

I'm going to describe the symptoms I'm seeing, diagnostic steps I've taken, then give the hardware configuration below. I would love to have any suggestions on how to fix this, or where to take my ...
4
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1answer
3k views

unload kext when it is in use or retained (cannot unload)

I want to disable the trackpad on my laptop without a mouse connected. I need this strange functionality because I use synergy (https://symless.com/synergy/) and game with my desktop. This is what I ...
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18 views

On-Board Display Issue with Weirdly Inconsistent Symptoms (Late 2016MBP)

Late 2016 MBP, MacOS10.13.4, Radeon Pro 460 4096 MB Over a week ago, my inbuilt display stopped working. Specifically, only the top quarter inch worked. After a few reboots and connecting/...
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0answers
146 views

iPhone 5 won't turn on after being off for two weeks

The iPhone was perfectly working. Then it was left home for two weeks. Battery obviously drained out. When I came back, I put the iPhone on the charger for a lot time. However, the iPhone and the ...
3
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0answers
50 views

New MBPs run out of RAM while older MBPs don't

I'm running application tests, spread by ssh across five machines, each running several iPhone simulators. On the three mid-2015 Sierra machines, I can run seven or so Simulators quite happily. On ...
3
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323 views

How can I diagnose if a failing trackpad has a hardware or software cause?

My trackpad is misbehaving, it randomly interprets clicks as swipes and the cursor jumps around or lags on the screen. How can I find out if this is a hardware or software issue? I'm on a MacBook ...
3
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1answer
3k views

What is covering my iPhone camera?

Just today I noticed something new covering my iPhone camera lens. It looks like a shutter or aperture blade over the optics, but knowing that the iPhone has neither, I'm really confused. The camera ...
2
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0answers
70 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 ...
2
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0answers
60 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 +...
2
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0answers
35 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-...
2
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0answers
139 views

How is modifier key remapping implemented on Touchbar Macbooks?

How is modifier key remapping implemented on Touchbar Macbooks? Is it done by the main OS, or is it delegated to a controller associated with the keyboard itself? I understand that the Touch Bar and ...
2
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0answers
37 views

Booting into macOS installer; possibly stuck

I'm trying to boot into a macOS Sierra installer that I made today. For the last about 20% of the progress bar, it was booting extremely slowly. Now, the progress bar has been stuck for the last ~20 ...
2
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781 views

Error: Space manager is invalid

My macbook (Mid-2012, Non-retina) crashed today and it beeped. I managed to solve it by this video. Actually it did not solve. So i upgrade to Majove from Sierra. This way, my macbook start to boot. ...
2
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0answers
213 views

Internet Recovery instead of Hardware Diagnostics?

I'm trying to run hardware diagnostics on my mid-2012 MacBook Pro. Whenever I restart when holding D it restarts into Internet Recovery mode instead of Hardware Diagnostics mode. Is there any way to ...
2
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0answers
64 views

Broken Wi-Fi and Ethernet - Reinstalling OS X El Capitan

Recently on my mid 2009 MacBook Pro, the Wi-Fi suddenly stopped working. I tried resetting NVRAM and SMC but to no avail. I thought it may be a hardware fault, but before buying a costly Airport card, ...
2
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0answers
2k views

Mid-2017 13" Touch Bar Macbook Pro Won't Turn On or Charge

I am trying to diagnose a 13" mid-2017 touch bar MacBook Pro (Model A1706 EMC 3163) that will not charge or turn on. This issue showed up a few days ago when the Apple-provided charger appeared to ...
2
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0answers
74 views

in iOS 11.3 update screen an extra 2 is appearing with black color on iPhone 8?

When I was updating my iPhone 8 to iOS 11.3 I went to the Software Update screen and there I noticed an extra "2" appearing in black letter after the link image :- after HT1222 an extra 2 in black ...
2
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0answers
300 views

MacbookPro 2016 butterfly keys: Where are claws and hooks on “up” and “down” cursor keys

I've successfully removed a regular key following the advice from MacBook Pro 2016: Keyboard key stuck – how to remove key? I'm considering doing the same with up/down keys but not 100% sure if the ...
2
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0answers
421 views

Data Recovery Tool to recover lost Chrome User Data Dirs

I have a folder, either </users/an/downloads/user data> or </users/an/downloads/user datas>, that I've accidentally cmd-opt-deleted. The folder is used to store individual user data ...
2
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0answers
2k views

What is the best way to deal with coil whine on a Mac laptop?

I have owned my MacBook Pro for a little over a year, and it has been serving me really well. Ever since I first opened it, the device was experiencing the Retina "staining" issue, so Apple recently ...
2
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0answers
757 views

12" Macbook battery health at 88% even with only 53 Load Cycles. Is this normal?

I have a 2016 12" Macbook that's only a little over a year old (and therefore out of warranty) and I'm noticing in Coconutbattery that the battery is 88.5% of it's design capacity even with only 53 ...
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0answers
2k views

SD card reader issues mid 2010 MacBook Pro

I’ve been having a few issues with the sd card reader on my mid 2010 MacBook Pro. A few weeks ago every sd card I inserted I could only read from, but not write to. I know the switch on the sd cards ...
2
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0answers
904 views

27" iMac late 2009 - Monitor and graphics card broken

I have a late 2009 27" iMac which has served my well for many years. Unfortunately, it seems the graphics card is broken. Trying to boot normally, I just get the grey screen of death after the initial ...
2
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0answers
2k views

Reading out the SMC

A common troubleshooting advice is to "reset the SMC!" But it is actually a bit unclear why and how this fixes things up. Apple also only lists a few symptoms in: How to reset the System ...
2
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0answers
160 views

Overheating in Macbook Pro 2016

Suddenly two days ago the fan of my MacBook Pro 13" 2016 no touchbar gets louder a few minutes start up, also the part of the laptop near the bottom of the screen gets hot. It happens whether it ...
2
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0answers
612 views

Permanently killing the dGPU on a MacBook Pro, including on startup

I would like to permanently kill the discrete GPU on my 2011 MacBook Pro 15 so that it will always use the integrated GPU, including on startup. (WHY? -- my 2011 15-inch MacBook Pro (2.3 i7 quad ...
2
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0answers
432 views

iMac 27'' late 2009 with GPU problems gets fixed by reinstalling Mac OS, what can be really happening?

A familiar has given me an iMac 27'' late 2009 because it supposedly got it's GPU broken. When it was given to me, after booting Mac OS X, it got almost frozen only being able to move the mouse in ...
2
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0answers
146 views

Can you determine when the “Service Battery” warning came on for a MacBook?

I have a Macbook Pro 7,1 that may or may not have been damaged from water the other day. I noticed that the battery indicator now has the 'Service Battery' showing. I'm wondering if it's possible to ...
2
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0answers
2k views

Apple Thunderbolt Display randomly goes black throughout the day

My Mac is connected to two Apple Thunderbolt Displays. The first monitor works without flaw. The second however will randomly turn off its screen 3 to 4 times a day. A quick but annoying fix is to un-...
2
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0answers
128 views

HD fine, SATA cable fine, but MBP internal won’t mount/boot

I’m looking for some advice regarding a specific problem with a MacBook Pro mid-2009 running the latest version of El Capitan. The basics follow, but I have shared details of the troubleshooting ...
2
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0answers
474 views

Deceive Logitech Control Center so that it think my mouse is another model?

I know that this is a difficult question. The Logitech M525 is a simple mouse with two buttons and a wheel. Backward/forward buttons are implemented as left/right tilt of the wheel. There is no ...
2
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0answers
3k views

MacBook Pro fan running with no CPU load and computer is COLD

Under normal circumstances (not installed new programs recently; had the usual programs running) I found my MacBook Pro 13" (Early 2015) with the fans running at average speed. I always have the ...
2
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0answers
949 views

Force eject a CD from a broken iMac SuperDrive (hardware issue)

Today, I inserted a CD into my 2007 iMac desktop, but when I tried to eject the CD, the optical drive made some odd whirring noises, and nothing was ejected. After further research, I tried every kind ...
2
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0answers
491 views

built-in screen flickers on macbook air

I have an early MBA 11" (Jan 2011), dual booting to Mavericks and windows 7. Recently it has started exhibiting the following symptoms: built-in display flickers during boot and continues to flicker ...
2
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0answers
96 views

MBPr 13" - still warm and out in the cold

I have been using my Macbook Pro Retina 13" (late 2012 model) for a few hours, shut it down, put it in my laptop bag and went outside. It was pretty cold, I could see my exhaled breath condense; I ...
2
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0answers
44 views

Run script when I connect something to the line in port?

I'm connecting my phone to my mac via the line in port to listen to podcasts. I'm using the app LineIn to do this and I was wondering whether there was anyway I could have: My audio input be set to ...
2
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0answers
7k views

iPhone 5s touch screen is extremely buggy after repair

My iPhone 5s fell out of my pocket and smashed the glass. Everything still worked perfectly. The touch screen was just as responsive as ever, and Touch ID worked fine. I had the glass (whole screen ...
2
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0answers
64 views

Macbook Air's trackpad on trains

Is there any known issue with using a laptop's trackpad while on a moving train, i.e. is the EM field expected to interfere? I ask because often when I use my Apple Macbook Air 1.1 (Early 2008) ...
2
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0answers
80 views

how do I transfer my iOS developer profile to another computer because of hardware failure?

Is it possible to transfer my iOS developer profile to another computer if my hardware failed but the hard disk is ok?
2
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0answers
4k views

Where can I look up purchase/activation date for Apple products?

I can't remember exactly when it was I bought my iPhone. I thought that perhaps I could look it up via Apple somehow. I'm aware of the Check Your Service and Support Coverage page, but that's not ...
2
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0answers
355 views

OS X breaks if I apply HFS compression to the whole volume. What do I need to exclude?

OS X breaks if I apply HFS compression to the whole volume. (It won't boot.) What do I need to exclude? I've been able to compress large parts of it, but then I had to restore after I compressed ...
2
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0answers
462 views

Is there any neglible impact on USB read/write speeds using MBR/NTFS vs. GPT/HFS+ in OSX?

I have a 3 TB External Hard-drive, however, it was previously used with a Windows desktop and uses an MBR partition table and the single partition is using NTFS. As a result, I've been using various ...
2
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0answers
495 views

Are Macbook Pro Pre-Unibody Top Case Parts Interchangeable?

I have a question for service engineers here. I wonder if and where I can source top case (with keyboard) from any pre-unibody MBP for my beaten and torn A1150 one (Core Duo original MBP)
2
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1answer
826 views

Apple external (magic) keyboard: SHIFT + [ not working

Im having some weird problem. I have connected my magic keyboard via USB. When I type "[" its working as you see. Also when I type SHIFT + ] I get "}". PROBLEM: But when I try to type SHIFT + [ I ...
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0answers
48 views

MacBook constantly looses connection to USB devices

The Problem Since I got my new Macbook Air 2020 (with i5 Upgrade), I encounter a strange and annoying problem every day: The MacBook suddenly looses connection to my USB devices. Namely my external ...
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0answers
59 views

2008 iMac Stuck on Loading Screen

My 2008 iMac gets stuck on the loading screen (Loading Bar, gets to about halfway). Nothing in this guide worked. https://macreports.com/mac/ I replaced my HD and issue still persists. The HD is now ...
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0answers
8 views

App specific display issues

First of all, this is my first question here. So forgive me if I cross any lines. I am using a Macbook Pro mid-2012 non-retina running Mojave and having this strange problem since months. Some apps, ...
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vote
0answers
28 views

MBP Retina end 2014 is freezing before or during entering password

MacBook Pro Retina (mid 2014) is freezing once user log-in interface has been loaded. Thus, password cannot be entered. Usually, freezing starts before password can be entered or while entering the ...
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0answers
20 views

Where to find logs for hardware-related shutdowns in OS X 10.11?

I have a 2009 Mac Mini running OS X 10.11.6 set up as home theater. Its fan has been quite noisy for a while, but it has still worked fine... until a couple of days ago, when I found out that it had ...
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0answers
61 views

What hardware do I need to capture live video from my Nikon D3300 DSLR directly into Final Cut Pro X?

Basically, I would like to use my Nikon D3300 DSLR as a webcam. I want to be able to see the video in my Mac as I record. What hardware would I need to use to accomplish this?