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

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How to find potential issues in damage macbook pro

I spilled a glass of water on my early 2011 15" macbook pro. The good news is that I'm writing this on that computer. After turning the machine off immediately, draining the water, checking for ...
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537 views

iPhone 4S chip overheating after replacing screen

I just bought a used iPhone 4S with cracked screen, and installed a new lcd with gold frame. Just after putting the phone together it starts overheating. I have not installed any apps since recovery ...
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812 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 ...
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399 views

The audio jack of my iPhone keeps cutting out

When I'm trying to listen to something on my iPhone, the audio keeps cutting out. I've had this problem quite a bit lately and there seems to be a sweet spot where it doesn't cut out. It also means ...
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91 views

What's causing this purple banding on video shot with my iPhone 5?

I shot my first two video with an iPhone 5 last weekend, and both suffered from the same flash of purple banding you can see in this clip: http://www.youtube.com/watch?v=RGLWJKDj1fE I've tried ...
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352 views

Time Capsule internal drive is slow

I have a one-terabyte Time Capsule (third generation, 802.11n) that's served me well since I got it a few years ago (I don't remember exactly when). I use it mostly as the primary router in my home ...
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399 views

DVD drive makes a horrible rattling noise

Whenever there's a disc in the DVD drive in my Mac, it makes a horrible rattling noise. Besides replacing the whole drive, is there anything I can/should do to fix it?
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146 views

Is the sixth-gen iPod classic compatible with recent Sony Dockstations?

I have a 6th-gen iPod classic (the first model classic) with an 80 GB hard drive. I have recently purchased a Sony Dockstation for iPods but I cannot make it work. Every time it connects to the dock, ...
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209 views

Macbook Air backlight occasionally powering off

Started a few months ago, and it's definitely not to do with sleep mode as I've checked but my MBA will drop the backlight then shut the screen off completely. Never had anything spilt on it, seems to ...
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627 views

External accessory framework test hardware

I need to write an app for a client the uses the ExternalAccessory framework to communicate with some hardware, I read in 'External Accessory Programming Exercises' by Norman McEntire that the ...
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492 views

MacBook Pro: Strange crashes

I purchased a new 13" MacBook Pro about a month ago. I'm pretty happy with it for the most part, but I've been having a few issues which I find very worrisome. I'm a computer science student, but my ...
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540 views

Restore 200mb EFI Partition/Write Support for WIN7 HFS+

So I posted earlier about recovoring an HFS+ partition on Windows. I used Testdisk with awesome success. Now I've run into another issue. The biggest issue is that I need to read AND write to my ...
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14 views

iPod Shuffle (4th Gen) is in a coma

The iPod lights up when connected to a power source but it doesn't turn on. Here are my observations: It syncs perfectly with iTunes, with the yellow light flashing and all. The yellow light is ...
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17 views

Power button, keyboard not functional after thermal place replacement (MacBook Pro 13, Late 2011)

After some searching on the internet, I have been struggling to reconnect the keyboard to the MacBook Pro after taking out the logic board to replace the aging thermal paste. I was following the ...
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23 views

Where in El Capitan can I watch a USB device insert/removal?

I have a Wi-Spy DBx which is a wireless device one can use to see radio spectrum. It installs as a HID on any computer it connects to. (I've tested it on a PC succesfully.) I am trying to confirm ...
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20 views

Pinout and specs on 150W Cinema Display A1098 power supply?

I've inherited a 30" Apple Cinema Display. It's in great condition except for one thing: no power supply. I could pay $150+ for a used power supply on eBay, but -- with my past life as a ...
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30 views

Macbook Pro logic board getting no voltage

Laptop: MacBook Pro 13" Retina Display Late 2013 Logic Board: 820-3476 I have been doing testing on my logic board with the board removed from the computer and just plugging in the charger. I had an ...
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18 views

Mac Book Pro - Display blink issue

suddenly, I am getting issue in my mac book pro of display blink issue, When I start mac book, It starting to blink and then black screen. I ask at service center and they told to replace with new ...
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57 views

Spilled water on Macbook Air

I spilled water on my 2014 Macbook Air. I had a keyboard cover on, so I don't believe much got into the workings from the top. However, it appears that a decent amount of water got in through the ...
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39 views

How does force touch work?

I was wondering about how force touch actually works. Is something beneath the display sensitive to pressure and based on this, changes the resistance to an input wire of the processor ,thus changing ...
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33 views

How many GPUs my macbook pro has?

I am trying to find how many GPUs has my macbook pro and if I have some of them, what are their characteristics. I though I can find it from About this mac -> System Report -> Hardware, but was not ...
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20 views

Phone won't boot after disconnecting battery when removing the back of the device

I wasn't paying to close of attention when removing the back of my iPhone 4 and the battery ended up getting disconnected from the little tab in the corner connecting it to the chip with 2 rows of 4 ...
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26 views

Macbook Pro 2011 shuts off at Apple logo

So my 2011 Macbook Pro shuts itself off on startup, always right when the Apple logo shows up with a status bar at the bottom of the screen. The status bar fills up a tiny bit and boom, it shuts off. ...
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42 views

iPhone 5s serial number issue

When I connect the phone to iTunes, it recognizes and shows the serial number; however when the updating process begins it turns into "n/a". Can it be a clue to something?
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80 views

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

I've tried all the steps in the accepted answer in the question Boot hangs on grey screen (even when booting from USB drive with fresh OS X install)?, but my MacBook Pro 2011 is still not working. ...
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109 views

My Macbook Pro dies randomly, doesn't start, and Apple couldn't solve it

let me start by saying this: I brought my Mac to the apple store for them to open up and find out what's wrong with my macbook pro (2013). They couldn't replicate the problem, therefore they couldn't ...
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46 views

magic trackpad protocol modes

I use Linux and I bought an Apple Magic Trackpad ~1m ago. I have few bluetooth Apple HID devices (mouse, keyboard) many years and they works without problem in Linux ... except the new trackpad. On ...
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65 views

How do I get apple hardware test/diagnostics for MacBook Pro 17" mid 2009 (5,2) after clean install of Mavericks?

I clean installed Mavericks and put all my files back on the laptop thereafter. I have no access to Apple Hardware Test or diagnostics whatsoever. How do I obtain that? My original disks that came ...
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51 views

Whirring/whining noise but only after sleep

I have a mid-2011 21.5" iMac. OS X Yosemite 10.10.5, 2.5 GHz i5, 20 GB RAM. About a week ago (coinciding with no significant update or other event that I can think of) it began making a ...
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24 views

Charging Issue on iPhone 5S

My iPhone 5S restarts by itself at least once while charging. Am I having software or hardware issue in this case?
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26 views

Differences on modifier keys between US and International Keyboards

I'm aware of the differences in layout, character placement etc however I have always wondered why the modifier keys on the US layout use the full word such as command instead of cmd. Similarly the ...
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20 views

Checking MacBook Pro for incipient hardware problems before Applecare runs out

My trusty Macbook Pro is nearing its third birthday and the end of Applecare. Is there anything I can do identify hardware components that are starting to degrade, so I can get them serviced before ...
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134 views

Iphone 5 Constant Battery Problem (After replacing it 4 times)

I bought an iphone 5 when it first came out. It worked perfectly fine for about a year, then the battery started to really lose its capacity, it would last only a couple hours, as time passed it ...
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51 views

Time Machine Backup to New SSD

I have a mid-2010 Macbook Pro with a 320GB HDD, and I'm upgrading to a 500GB SSD. Does restoring a Time Machine back up to the new SSD also include the OS? Are there any better alternatives? i.e. do ...
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216 views

MacBook Pro (A1278) gets stuck at startup (Verbose, Single User, Recovery…)

When trying to start my Macbook, it stops at the Apple logo with spinning gear or progress bar. I've tried Safe Mode, but it got stuck at the same point. Command + V, Command + S, Command + R = Not ...
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36 views

rpcvshost caught burning the cpu, is it hardware or software?

I have a problem with my Mac -early 11- The laptop crashes every X minutes.. When I check the console I see [ RPCVSCHOST caught burning the CPU ] I can't start the device without doing this ...
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88 views

Kernel Panic Bluetooth

I have been receiving kernel panics a few times in the past few months, but each time I have noticed it is when I am connected to the internet through Bluetooth PAN to my iPhone. Most recently, the ...
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234 views

Problem with Thunderbolt on Mac Air A1466

Recently I noticed that Apple TB Ethernet Adapter stopped working on my Mac Air. It is not a problem with lost packets. Or with DHCP not working. The system does not detect Adapter. It does not shown ...
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70 views

Identifying FireWire chipset on a MacBook Pro (13-Inch, Mid 2010)

I have a MacBook Pro, 13 inch, mid 2010, running OS X Yosemite (10.10.5). How can I identify what FireWire chipset it has? Unless there's an OS X utility to do this, perhaps someone could point me to ...
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13 views

MacBook Pro (2009, 15-Inch) - nothing on monitor

I have a Macbook Pro 2009 15" Model 2160. Problem: There is nothing displayed on the monitor at all, a bright display on monitor when switched on. I can use the bright - + keys to control the ...
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16 views

hardware status for iOS devices

I have iPad Air 2 with latest iOS 8 update. Recently, I have started experiencing some issues with opening apps on my iPad. It looks bit slow. Even when I press home button, home-screen comes bit ...
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29 views

RE:Boot hangs on grey screen

I followed the advice from this page Boot hangs on grey screen (even when booting from USB drive with fresh OS X install) It worked though as I could log in my system but the graphic is dull and slow ...
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227 views

My SD Card doesn't fit into my MacBook air, bit it fits into my MacBook Pro!

My camera's SD Card can't fit into my MacBook Air's SD Card Slot. I can only push the SD Card into the slot halfway, but then ONE CORNER can't go in any further. The left corner of the card can still ...
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44 views

Early MacPro 2009 keeps needing SMC reset

My MacPro keeps needing to have its SMC reset to stop the video card putting my monitor to sleep when it switches from the logo screen to the desktop image during boot up. The problem seems to have ...
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236 views

MacBook Air trackpad erratic, no bulging battery

I have a MacBook Air 13-inch, Mid 2011 10.10.3 (out of warranty) bought in 2012 and I have been struggling with trackpad issues since January 2015 soon after receiving the warning "Battery Service" ...
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31 views

I own a 13" MacBook Pro. I literally and physically (in terms of hardware) can't plug my headset in

The last time I plugged them in was two or three months ago and they worked just fine. It was easy to plug them in but now it feels like there's something in the way and I don't know how to get it ...
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109 views

Is it possible to replace the logic board of the original macbook air (early 2008) with the logic board of MBA late 2008 or mid-2009?

I am the OP of the question: Macbook Air 2008 won't boot after error message asking to shut down due to low battery A family member bought this MBA (early 2008) for me to learn iOS development ...
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70 views

My SSD works on every computer except mine

I've asked several questions on Ask Different about an Intel SSD that I'd bought and tried to use in a DIY Fusion Drive in my early 2011 13" MBP. The Fusion Drive worked for a few weeks and then quit ...
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73 views

Wireless keyboard with USB receiver doesn't work

I'm trying to connect a wireless "Logitech office cordless desktop 2.4ghz" keyboard with a USB receiver to my Mac but I can't get past this step of the keyboard identification: Also the key next to ...
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150 views

Is there a program to monitor GPU processor usage in Yosemite?

iStat only reports memory usage, but I'm looking to see how much of the processor is being used from the AMD M290x graphics card in my iMac. Is this possible?