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

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4k 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 ?
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4answers
2k views

15" rMBP (mid 2012) - screen won't turn on, fans full speed

Since yesterday I've been having major issues with my 15" Retina MacBook Pro (mid 2012 model). When I boot it, the screen is black (no backlight: Apple logo doesn't light up). I do hear the startup ...
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0answers
223 views

Second monitor randomly turns off and on

I have an iMac running 10.9.2 and sporadically the second monitor turns off then on. It's only off for a second or two. It's an Acer AL2216W. It's connected from display port to DVI.
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votes
2answers
3k 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 ...
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0answers
355 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 ...
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2answers
4k views

How fast is 256GB to 128GB on mid-2013 MacBook Air?

I've tried finding the comparison reviews of the performance differences between 128GB and 256GB PCIe SSDs of mid-2013 MacBook Air 11" and 13" (which now have been carried over as the ...
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1answer
30 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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2answers
629 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
387 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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2answers
3k views

Should I put the SSD in the Optical or Main Bay when replacing Optical Drive?

I have 2010 MBP. Wanted to put SSD in optical bay (and use it as main boot drive) because main bay has SMS (motion detection) that HDD would use. The only problem is that optical bay in my computer ...
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1answer
123 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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1answer
30 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
312 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
71 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
86 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 ...
0
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1answer
147 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
48 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
71 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 ...
2
votes
3answers
10k 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, ...
3
votes
2answers
570 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
votes
1answer
5k 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
647 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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2answers
213 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 ...
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3answers
1k views

iPad Mini Retina with yellow tint

I just got a new Space Gray iPad Mini Retina 32GB Wi-fi and today I noticed that the whole screen has a yellow tint. This seems to be a common issue and I will go to an Apple Store as soon as possible ...
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3answers
7k 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 ...
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1answer
4k 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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1answer
5k views

Force external display refresh rate

I have a 27" screen which is connected to my mid-2012 MacBook Pro retina through a HDMI/DVI-D (HDMI on the MacBook Pro, DVI-D on the screen). Before I was using a adapter DisplayPort+USB/DVI-D and I ...
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2answers
404 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 ...
2
votes
1answer
272 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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1answer
165 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 ...
4
votes
3answers
795 views

2012 MacBook Air - USB hardware ran out of device slots?

I've got a 2012 11" i7 MBA. This is a great little machine but one thing has been driving be absolutely batty about it... The USB ports work well for the most part, but inevitably I will plug in a USB ...
6
votes
4answers
19k 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 ...
2
votes
3answers
4k 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, ...
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2answers
473 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
241 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 ...
2
votes
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 ...
1
vote
1answer
653 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
votes
1answer
44 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 ...
5
votes
1answer
13k 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
102 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 ...
1
vote
1answer
540 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 ...
1
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0answers
199 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 ...
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2answers
1k views

Can i turn my Old 2009 Imac into a Multi-use NAS server?

I have a late 2009 imac, everything is perfectly fine with the machine. Can i turn that into a Media/ NAS server?
3
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7answers
35k views

A REAL iTunes server on NAS

I am certainly not the only one dealing with the issue (looking into questions here which deal with some aspects related to an iTunes Server or looking at the Apple Support Forum). So I ask: What is ...
0
votes
1answer
7k views

iPhone 4S speaker not working for apps but works for ringer

I have an iPhone 4S and the speakers are not working for applications. The speaker works when doing voice calls on speaker phone, adjusting the ringer, and other default things. However, when trying ...
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2answers
918 views

Metallic ticking noise from the MBP

I have an early 2011 MBP and opened it's back more than once, to replace RAM, HDD and 2 weeks ago I installed an SSD. For some time already I hear a faint ticking noise from the body when the laptop ...
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2answers
63 views

How do I make sure I purchase the correct replacement gfx card for my iMac?

I have a 24" Early 2009 iMac, and it has a faulty graphics card (detailed here). I'm obviously no longer under warranty or applecare, and I'd like to try to replace the part myself. I'm unsure about ...
1
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1answer
585 views

Corsair Vengeance 2100 on OS X

I just purchased the Crosair Vengeance 2100 headset to use with Steam on OS X (Mountain Lion) and to use with Skype. I can get the headset to be detected by OS X and set it up as a sound device but ...
3
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3answers
248 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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2answers
448 views

Scratch on MacBook Pro LCD screen (not the glass)

I was replacing a rather broken piece of glass on my macbook pro 13" and got impatient toward the end, managing to slip and scratch the LCD screen itself. Before I cover it up with the new piece of ...