Questions tagged [hardware]

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

158 questions with no upvoted or accepted answers
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13
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2k views

Use more than one PS4 Dualshock controller over bluetooth

I have two Playstation 4 Dualshock controllers and am thinking of getting two more. They have both bluetooth and usb connections, but prefer bluetooth to avoid cable salad — and of course to be able ...
4
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0answers
908 views

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 ...
3
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0answers
17 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/...
3
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0answers
133 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
votes
1answer
2k 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 ...
3
votes
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
10 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
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-...
2
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0answers
70 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
31 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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0answers
152 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
51 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
votes
0answers
59 views

What is the difference between a MacBook Pro MPXW2D/A-056332 and MPXV2D/A-056248

I have been doing some research in preparation for buying a new laptop, and I am having trouble figuring out the differences between different offerings. For example, one vendor offers both a model ...
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
275 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
391 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
1k 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
586 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 ...
2
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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
650 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
1k 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
143 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
votes
0answers
242 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 ...
2
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0answers
577 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
votes
0answers
376 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
141 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
votes
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
votes
0answers
126 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
votes
0answers
447 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
votes
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
votes
0answers
897 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
votes
0answers
473 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
votes
0answers
95 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
votes
0answers
43 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
votes
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
votes
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
votes
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
votes
0answers
349 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
votes
0answers
461 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
votes
0answers
485 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
votes
1answer
693 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 ...
1
vote
1answer
20 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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0answers
30 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 ...
1
vote
0answers
28 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 ...
1
vote
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 ...
1
vote
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 ...
1
vote
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. ...