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

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40
votes
7answers
16k 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: ...
26
votes
5answers
3k views

How does an iOS device keep time when it is out of power?

My iPhone is always running out of battery. However, when I power it back up, the time is still in perfect synchronization. This begs the question: "How does it keep time when it is out of battery?" ...
20
votes
3answers
4k views

What is this button on my MacBook?

I have a 2011 MacBook. Along the left edge (looking at it from the normal typing position), near the front, there is a small silver button which is flush with the rest of the case. When pressed, a ...
16
votes
2answers
53k views

List all devices connected, lsblk for Mac OS X

In Linux if I want to see all the devices currently connected to my computer in the command-line, I run: lsblk or blkid What's the equivalent command under Mac OS X? NOTE The goal here is ...
16
votes
2answers
11k views

How can I find the serial number on a mac programmatically from the terminal?

What command can I use to retrieve the system's serial number from the unix command line? As uname will output some information about the software and hardware, I would like to retrieve the serial ...
14
votes
4answers
95k views

What machines will OS X 10.10 (Yosemite) run on?

Has Apple announced which specific models of Macs will OS X 10.10 (Yosemite) run on and if so, what are they?
14
votes
5answers
11k views

Can a hobbyist or individual apply for Apple's MFi program?

I found that Apple has the MFi program to help develop a hardware for iPad/iPhone/iPod, but it looks like that only a company can apply for this program. Can a hobbyist or an individual apply for ...
13
votes
4answers
123k views

Locking an iPhone if button is broken?

My friend's iPhone's sleep/wake button no longer works. Is there any way to turn off the screen besides setting up auto-lock and waiting a few minutes?
13
votes
7answers
28k views

Differentiating Apple products by their MAC addresses

Apple has registered a ton of MAC address ranges for its products. Does anyone know whether it's feasible to reliably identify which Apple product (particularly iPad, iPod, iPhone, and MacBooks) a ...
12
votes
7answers
13k views

What is the difference between Intel and PPC?

What is the hardware and software differences between Intel and PPC Macs?
12
votes
4answers
3k views

The iPhone is over 3 times more expensive than the iPod touch, how much more margin is Apple doing on the iPhone?

Besides small differences like a minor camera, fundamentally the difference between the iPhone the iPod touch is the GSM/CDMA antenna and I guess more battery to support the antenna. Yet the iPhone ...
12
votes
11answers
15k views

How can I avoid my MacBook Pro giving me minor shocks?

The aluminum Macbook Pro gives a mild shock when connected to a wall socket and charging. It only happens when I'm, for example, not wearing shoes or slippers and my feet are resting on the ground ...
12
votes
2answers
3k views

What happens at the user/OS level when an SSD finally wears out?

I have been reading up on SSD technology and don't know of any first hand reports on what happens when an SSD eventually fails due to over use. I am most interested in the SSD that apple includes as a ...
11
votes
4answers
730 views

What's the trivial difference between the 15“ and 17” versions of the MacBook Pro?

What can I ask on the phone to a Mac user who has a MacBook Pro (Alu), but doesn't know if it's a 15 or a 17 one (and don't have a tool to measure the screen) What can I ask him to look at to tell me ...
11
votes
3answers
8k views

Why does my Mac Pro have two ethernet ports on the back of the computer?

I'm curious as to how or why I might want to take advantage of two ethernet ports on the back of the tower?
11
votes
4answers
4k views

Are Apple keyboards multi-key rollover?

I'm just curious if Apple keyboards are multi-key rollover or not? And if yes then which models (or how to determine that in OS X)?
10
votes
5answers
981 views

Two external displays without Thunderbolt

I need to buy a new laptop (Mac) for work and the top priority for me is having at least two displays. Unfortunately, due to budget limitations I cannot buy Apple Thunderbolt Displays. Now, and ...
9
votes
12answers
110k views

How can I restart an iPhone 4S with a broken lock button and frozen springboard?

My springboard has frozen and the lock button is broken (two months out of warranty and it's not classed as a hardware failure). How do I restart the phone given that I can't access any apps or ...
9
votes
5answers
11k views

Are there headset adapters usable for MacBook Pros?

I bought a headset, and it has a (obviously) male headphone input and microphone output. Problem is, MacBook Pros don't have a microphone input. Instead, they have an audio line in. However, ...
8
votes
11answers
6k views

What's the advantage of buying an iMac over building a Hackintosh?

I'm not looking for a flame war or anything like that. I am looking at (once I have some money, the hardest part) buying a iMac. Let's just assume one could build a fully working Hackintosh with ...
8
votes
1answer
23k views

How to disable the built-in MacBook keyboard?

Is it possible to completely disable the built-in keyboard on a MacBook? No input should be possible from that keyboard when I connect an external keyboard. This is sort of possible with the trackpad ...
8
votes
2answers
8k views

Does AppleCare cover physical wear on MacBook Pros?

I have a Mid-2010 MacBook Pro with AppleCare. I've had a few minor/cosmetic hardware issues: My power cord recently started coming apart. The rubber/plastic coating around the MagSafe end of the ...
8
votes
4answers
22k views

Boot hangs on grey screen (even when booting from USB drive with fresh OS X install)

My MacBook Pro 15" Late 2011 (MacBookPro8,2) with AMD Radeon 6770M exhibited display corruption and associated system crashes/resets over a period of two weeks before it entirely failed to boot. The ...
7
votes
6answers
2k views

What would happen if I force installed a Linux driver into Mac OS X?

So, recently I got a Mac system and I was planning to put in an Intel WiFi card (as an upgrade for its current card). Now, as we know, Apple and Intel do not get along WiFi-wise. However, this same ...
7
votes
5answers
11k views

Can I use a non-Apple keyboard with OS X?

Recently I've been thinking about the idea of migrating from PC to Mac, specifically Mac Mini. The biggest issue however is hardware, since I'm not sure what will and what won't work on OS X. First ...
7
votes
8answers
22k views

How to permanently disable (defective) graphics card in MacBook Pro?

My graphics card has malfunctioned and is preventing my MacBook Pro (2011) from booting. Based on my research I will have to otherwise have the logic board replaced. The defective ATI graphics card ...
7
votes
1answer
1k views

What is the MacBook Pro's infrared port used for?

I know my macbook has an infrared port, but I don't know what it's used for.
7
votes
2answers
11k views

Can I upgrade my 2008 Mac Pro completely?

Hey everyone, I have a 2008 Mac Pro/2.83hzXEON(8)/8800GT512mb. Is it possible for me to upgrade this machine to newer hardware, since it is Intel based? What would it entail to put a newer processor, ...
7
votes
4answers
12k views

How long will an Apple SSD last?

Like all tools, an SSD will wear out from use and eventually fail. Are there data on roughly how long the SSD's that Apple ships in it's portable line last? From my research, it seems that the ...
7
votes
1answer
17k views

Can auto glass chip repair kits fix cracked iOS device screens?

Can auto glass chip repair kits such as this item repair cracked iOS device screens? If so, what should I watch out for?
7
votes
4answers
15k views

How I can get OSX to recognize Canon MP560 Scanner again?

I have a Cannon MP560 that kept having communications errors. One of the suggestions I read was to remove the printer from the print & scan menu and re-add it. Once I did that the scanner ...
7
votes
3answers
54k views

What to do about broken WiFi on iPhone 4S after iOS 7 update?

Several iPhone 4S owners have noticed a problem with their WiFi not working after upgrading to iOS 7. It appears to be both a software problem (our phones have been working for nearly two years with ...
7
votes
6answers
16k views

diagnosing (likely) hardware fault on MBP 15'' (early 2011)

Today while I was routinely using my Macbook Pro 15" from early 2011 (model MacBookPro8,2), running Mavericks DP3, the screen suddenly went all glitchy and distorted and the system locked up. (I just ...
7
votes
3answers
3k views

Did Apple degrade the accuracy of the iPhone 4S GPS compared to the iPhone 4

I have done some extensive testing of my iPhone 4S compared to my iPhone 4 and found GPS accuracy has suffered substantially. I've been using the 4 for about a year, riding a bicycle on a 3 mile loop ...
7
votes
2answers
11k views

How do I clean out dust in the fans of my MacBook Pro?

How do I clean out the dust in the fans of my MacBook Pro? (I'm perfectly comfortable with opening my MacBook Pro up (Unibody 2008 edition with removable battery cover), but I'm not exactly sure how I ...
6
votes
4answers
645 views

Can I just swap the hard drives of two macbook pros (different years)?

I'd like to swap the hard drives of two Macbook Pros. One is a Core 2 duo model from 2010, the other a 2011 i5 model. Will this work? I just want to save time and not go through a lengthy data copying ...
6
votes
4answers
3k views

Is it okay to install OS X on an external drive, and then install that drive as an internal drive?

My internal drive is suffering hardware failure, so I bought OS X Snow Leopard (to upgrade my iMac from Leopard), a new drive, and a cheap external USB 2.0 enclosure. My plan is to install a clean ...
6
votes
4answers
14k views

What are the OS X Mavericks hardware system requirements?

I have a fairly old (I am not sure when it was bought) iMac 5,1 running OS X 10.6.8, but I just saw the free upgrade to Mavericks. It looks tempting, but I'd rather first know if my computer can ...
6
votes
2answers
2k views

Macbook white thingy below keyboard button is broken

I've got an early 2009 macbook pro, and I accidentally broke the white plastic mechanism underneath the S button. They are labeled 130 and 140 in the picture. Does anyone have a clue what the white ...
6
votes
3answers
2k views

Where can I purchase repair parts for Apple products?

I have an old iMac G4 that's well beyond being supported in any capacity by Apple. Two years ago, when taking it apart to upgrade the hard drive and CD drive, I accidentally severed the connector on ...
6
votes
6answers
5k views

Switch internal monitor off by software (script/terminal/shortcut/…)

I’m using my MacBook Pro (OS X 10.6) standing in a shelf with an external screen on my desk so I don’t use and need the internal screen. But if the internal one is on it’s shown in spaces. It is ...
6
votes
3answers
2k views

iPhone home button no longer works

Recently I dropped my iPhone, breaking the screen, so I had that replaced with a new screen by myself that I brought from Amazon. Now that I replaced it, the iPhone home button doesn't work at all ...
6
votes
1answer
14k 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 ...
6
votes
1answer
5k views

High fan speed and CPU temp with low CPU usage?

I've been having intermittent fan speed and high CPU temperature when my CPU usage is nearly 0%. I don't run any weird apps. If I put my computer into sleep mode and wake it back up, this fixes the ...
6
votes
3answers
868 views

CD doesn't eject

I have a problem with ejecting a CD. It happened twice in the past few days, CD drive disappears from the list of devices in a Finder and I can't eject a CD that sits inside my laptop. I tried Disk ...
6
votes
4answers
25k views

How to diagnose repeated OS X hang / spinning beach ball of death?

Here are my stats and brief summary of the problem: macbook pro; mid 2009; 13 inch; 2.26 GHz; 4GB RAM (currently, will elaborate); 10.7.5 The issue I'm having is that the computer constantly gets ...
6
votes
1answer
537 views

Can I hot-plug a DVI monitor in a Mac Pro?

I have a Mac Pro with a DVI display, and I got a new DVI display for it. I want to unplug the (only) display, and plug in the new display to that DVI port. And/or, unplug the existing display, and ...
6
votes
2answers
7k views

Make Activity Monitor show more than 4 cores worth of CPU usage in the Dock

Is it possible to force more than 4 cores in the Dock, this looks like a feature apple does not want after checking out Mac OS X: Activity Monitor shows one CPU Usage graph on systems with more than ...
6
votes
1answer
195 views

Get ambient light sensor value from ioreg

I'm using the ioreg command line tool to try and read sensor information available on my computer (iMac). Particularly, I'd like to read the current value of the ambient light sensor. So far, I have ...
6
votes
1answer
6k views

iPhone switches to speakerphone when away from my face

Since this morning I think, when I'm on a call and move my iPhone away from my face a bit, it seems to automatically switch to Speakerphone (the voice can be heard out loud) and it shows the number ...