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

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10k views

How to run a performance benchmark on my MacBook Pro?

I need to run some sort of performance benchmark to measure how slow my MacBook Pro is (and why)—a 15" MacBook Pro (late 2008) with a 2.4 GHz Intel Core 2 Duo processor, 4 GB of DDR3 memory, and ...
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1answer
2k views

My iPhone charger emits a little very high pitch noise when my iPhone is charged… is it normal?

When my iPhone 5s is fully charged my charger (which is the official one), emits a super little noise that is very high pitch (I would say nearly an ultrasound...). Is it normal ?
3
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2answers
2k views

Will a 1.8GHz MacBook Air be much faster than a 1.3GHz model?

I am looking to purchase a refurbished Macbook Air from Apple's refurbished store. When comparing the models there are two I am looking at. The difference between the two is slight but one of the ...
0
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0answers
309 views

How is swap on mid-2013 MacBook Air w/ PCIe SSD?

There appears to be confusing and incomplete information about the PCIe SSDs in mid-2013 MacBook Air 11" and 13" (especially the 128GB models), where a different queue depth may result in different ...
3
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5answers
5k views

Connecting a displayport monitor to my Mac Mini (late 2012) using the Thunderbolt port what is the max resolution?

I have a 27" ASUS PB278Q display equipped with a display port, the monitor has a resolution of 2560x1440. If I connect to my thunderbolt port using a mini displayport to displayport cable will it ...
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1answer
27 views

Does having to turn on an iPhone by holding power and home indicate the device is dying?

I had to press and hold the Power and Home buttons because my iPhone shut off and wouldn't turn on through normal measures. When I pressed the Power and Home buttons for 20 seconds the iPhone powered ...
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5answers
15k views

Has Apple fixed the iPhone 5 sleep/wake button problem?

There is a well-documented design and/or materials defect in at least some iPhone 5 devices that causes the sleep/wake button (sometimes also referred to as the "lock" button or "power" button) to ...
2
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2answers
330 views

2008 MacBook (A1181) won't boot from battery

I have a 2008 13" (2.4GHz) white MacBook that will only boot from mains power. If you attempt to boot from the battery it's as if it's not even connected. Once you get even past the initial startup ...
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2answers
315 views

Watt and voltage for DIY iPhone charger

I'm working on making a simple solar to USB charger for my iPhone 5s, and I was wondering if the watt/voltage mattered for the solar panel I'm using. I know the product can handle the higher values of ...
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1answer
275 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
90 views

How do I make sure the firmware for my newly installed SSD is up to date for Mac OSX? Note: cannot use optical drive

Installed a 2nd HD (SSD) onto my 15" MBP and wasn't sure how to upgrade the firmware. SanDisk 120 GB SSD. Anyone know?
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3answers
5k views

Does anyone know any good Diagnostic tools? [closed]

Does anyone know any good diagnostic tools for Mac? something inline with Apple Hardware Test, Apple Service Diagnostics, tech tool pro, preferably more in depth perhaps something low level, ...
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1answer
23 views

Is LCD digitizer different on iPad 2 for different languages?

I have an iPad 2 from Japan as like to have ability to input Japanese characters. When recently trying to replace the screen and Wi-Fi antennae I managed to damage the LCD. Before I go out and buy a ...
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0answers
237 views

Configuring SSD over-provisioning on Mac OSX

I'm in early investigation stages of adding a SSD drive to my MacPro. Fragmentation problems can lead to serious performance problems on an SSD. There are a couple answers to this problem: TRIM - ...
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0answers
54 views

Volume won't turn down on 2009 Macbook Pro 5,5

I just replaced the hard drive, upgraded the memory, and installed Snow Leopard to upgrade to Mavericks. Now, the volume won't turn down, but I know the key is being pressed because the volume level ...
0
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1answer
68 views

Why is My iPhone's Lock Screen Wider than Usual? Serious iPhone issue

Today on my way home, I accidentally dropped my iphone with the back facing the ground from about 1.2 metres in the air. All other iphone functions are not damaged except for the screen. My phone has ...
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0answers
104 views

Apple hardware diagnostic terminology - what hardware issue does this portend?

After 18 months of ownership, my MacBook Pro Retina (mid-2012) suddenly started behaving very strangely, and then powered itself off several times. Upon reboot, the diagnostic report said the cause ...
2
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3answers
3k views

Durability of plastic screen on latest Retina Macbook Pro?

I am in need of a new MBP. I do development (Ruby/Rails) on my mid 2009 13" MPB running Mavericks, and I find it is getting old enough that I'm getting some lag when I'm running DB and web server, ...
2
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1answer
18k views

iPhone Cable or Accessory Not Certified

This isn't a coding question, but it is an issue that affects my ability to develop iPhone apps. Beginning this morning, I began seeing the message "The cable or accessory is not certified and may not ...
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0answers
33 views

Do Mac versions (Snow Leopard, Mountain Lion, etc.) have a built-in “framebuffer” in their kernels?

Assuming you try to install Snow Leopard on an x86 board that has no GPU or integrated graphics, but only a, say, CRTC or such, does it have support to plot data on the screen without depending on any ...
0
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1answer
73 views

Normal operating temperatures and fan speeds for mid-2006 iMac?

I have an aging, but still functional mid-2006 iMac at home. Last night, my wife was in the basement and said she smelled a faint odor of something burning, she said it smelled like it might be ...
2
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0answers
45 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) ...
3
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1answer
52 views

Is this external DVD drive Mac compatible?

I am thinking of purchasing a Mac Mini but the lack of optical drive, makes me hesitant. I have an external super-multi DVD rewriter by Liteon (Model GP08LU10). Will this portable drive be compatible ...
3
votes
2answers
298 views

How to clean iMac screen?

I've messed up and used a generic LCD cleaning product on a glass iMac screen. According to the label it consists of distilled water and surfactants (or surface-active components, don't know how to ...
0
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1answer
4k views

iPhone 5 overheating and battery drains very quickly

My iPhone is always heated up even if I'm not using it. When I charge it, it heats up even more and battery drains very quickly. Its battery is currently fully drained for more than half an hour and ...
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2answers
5k views

OSX system and installation disk won't boot

Problem: I cannot boot into system nor can I boot to the installation disk. Errors I get in verbose mode: BSD root: disk0s2, major 14, minor 2 disk0s2: media is not present 0 [Level 3] [ReadUID ...
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2answers
460 views

What are the six openings on the bottom of the MacBook Pro for?

I have a 2013 Retina MacBook Pro. I have noticed there are six slits, three on each side, on the base of the laptop. What are these for, and if I were to use them as a place to clip something, ...
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1answer
3k views

iPhone 4S logic board replacement

I have damaged my iPhone 4S. A weight was dropped on it and it stopped working instantly. I've opened the back and it appears the bottom of the battery, the speaker and charger point have been ...
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2answers
2k 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 ...
0
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2answers
175 views

LVDS (LCD data) cable replacement

The video on my mid-2009 13" Macbook Pro freezes and becomes noisy sometimes, depending on the position of the lid, pressure, etc. I opened it, and could reproduce the behavior by poking at the LVDS ...
5
votes
3answers
5k views

convert 30 pin docks for lightning devices

I recently upgraded from an Iphone 4 to a 5s. I have 4 different docks that worked with all my previous Iphones and Ipods - I just swapped out a cheap plastic holder around the connector that could ...
6
votes
4answers
12k 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 ...
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0answers
105 views

Proximity sensor stopped working after upgrading to 7.0.6

The proximity sensor stopped working as soon as I updated to the latest version. Now the screen does not switch off when I receive a call !! Tried restoring the phone to factory default and then ...
3
votes
1answer
8k views

Can I boot Mac from an external hard drive (internal hard drive+hard drive closure)

Model: Macbook Pro 2010 mid OS: OS X 10.9 Hard Drive: WD5000BPKT 500GB For some reason I need to change my perfectly working internal bootable drive to external bootable drive. I took out my ...
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2answers
243 views

Memory tester for Snow Leopard

Can somebody suggest a memory tester for Snow Leopard (10.8)? Command line or other doesn't matter, ideally something that doesn't have to be installed though (doesn't change the machine) and just ...
1
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1answer
113 views

MacBookPro Ram Frequency

i have a MacBookPro 5,5 (Intel Core 2 Duo 2,26GHz) with Snow Leopard. Actualy i've 2 ram block of 2GB (total 4GB) of DDR3 at 1067MHz. Now i'm buying 2 ram bloc of 8GB of DDR3 but at 1600MHz, could ...
2
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0answers
200 views

MacBook Pro 5,1 will only turn on after SMC reset

Resetting the SMC every time the machine is turned off is the only way to turn it back on and when it is on the fans run at max speed etc. etc. (SMC issues). Have tried to swap out HDD and RAM. ...
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0answers
619 views

27" 2009 iMac screen occasionally freezes (mouse still moves) after upgrading RAM and SSD

I have a 2009 iMac that has been working fine (but slowly) until now. I decided to upgrade the hard drive to a 500 GB Intel SSD (MZ-7TD500BW) and put in 16 GB of RAM (PNY Optima PC3-8500). I've ...
14
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2answers
7k 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 ...
0
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2answers
160 views

Where can I find a replacement screen for my 13" MBP?

I have purchased Macbook Pro 13 inch, and it was shipped by DHL, but when I received it, the screen was damaged. So, I want to buy a new one. Where I can find it? Because I want to buy and install it. ...
2
votes
1answer
2k views

ctrl key no longer working in OSX

The ctrl key on my Macbook pro has stopped working at once! I have tested "Show keyboard viewer" from the languages, all keys are shown to be working correctly but not the ctrl key. Could it be any ...
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2answers
352 views

MacBook Pro battery life tanking even after battery replacement?

I've been having some issues with battery life on my MacBook Pro (15", Mid 2010). I thought I had tracked it down when I found out that the battery was near the end of its life (only holding 60% of ...
2
votes
2answers
202 views

How do I find the installed RAM layout in my MacBook without opening it up?

I have a mid-2009 MacBook with 4 GB of RAM installed in it and I'd like to upgrade it to 8 GB of RAM. In order to do that I have to figure out what the installed RAM configuration is so I can ...
1
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1answer
477 views

Can I use a Time Capsule to share internet connection?

My internet provider limits the number of connected devices to two. I would like to know whether I can use a Time Capsule to share my signal with all other devices in my house?
0
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1answer
35 views

OS X no longer sees my DVD drive. How to debug this?

My Mac Pro has its original built-in DVD burner, which has always seemed to work fine in the past. Sometime in the recent past (10.9.1?), it simply disappeared. I first noticed that pressing the ...
3
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1answer
9k 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
76 views

How can I get started with using I2C on a Mac?

I have this Devantech I2C thing. It has Mac drivers but i have hard time to figure it out. Instructions are way too hard for newbie like me. Are there any GUI apps which makes it easier to use I2C in ...
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1answer
335 views

Sourcing a replacement graphics card for an iMac

I have a Early-2009 2.93 GHz 24" iMac, which has a faulty graphics card. I'm keen to try replacing it myself using this excellent guide. Unfortunately the guide doesn't mention any advice on ...
3
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3answers
191 views

Does Apple make a keyboard with a wide “return” key, and modifier keys with their symbols printed on them?

I happened to notice in a picture that the Apple "German" keyboard had the modifier keys labeled with their symbols, e.g., the option key is labeled as "⌥". (It's confusing as heck that the Apple's ...
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0answers
166 views

Replaced LCD/Digitizer iPhone-4 works but intermittently blacks out frequently

Just replaced the LCD/Digitizer on my iPhone4 the screen works fine. Then, it gets fuzzy after some time and then blacks out. Then I have to lock the screen, then unlock, the picture comes back to ...