A hardware test used by holding D during boot, to test internal components of a Mac. It was replaced by Apple Diagnostics in Macs released after June 2013.

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3answers
99 views

iPhone Hard Reset - What is your opinion?

​Just for my curiosity and knowledge, from a Software and Hardware stand point prospective, the other day I was having a discussion with some iPhone users. The topic was the Hard Reset that you can ...
0
votes
2answers
124 views

Apple iMac Hardware Test: 4SNS : VH1R

I have some weird fan issues with my iMac. It sometimes goes to maximum speed but only for a couple of seconds and then goes back to normal. Without doing any heavy processing. The hardware test tells ...
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votes
2answers
931 views

precaution or steps to take before booting up 4 months unused macbook air

My mother was ill for quite some-time, and she didn't use her MacBook Air for almost 4 months now. Before booting it up again, and start making use, please let me know if there are some necessary ...
1
vote
1answer
742 views

Memory test that fails with a different address each time

I had problems (strange patterns on the display and reboots) with my Late 2011 Macbook Pro, so I ran Apple Hardware Test on my computer, and it found memory errors. The thing is that every time I run ...
0
votes
1answer
52 views

I have an apple macbook pro i7 17" mid 2010 model 6,1. I need to do a hardware diagnostic on it, but don't have the DVD anymore, how can I do it?

I need to to do a diagnostic test on my hardware, but don't have the diagnostic DVD anymore. can I download it from some database? it is a macbook pro 17" i7 2.66 Ghz model 6,1 mid 2010
1
vote
0answers
48 views

2009 Mac Mini Wakes Up Immediately After Sleep. What Could be Wrong?

This computer would sleep fine before. Now it wakes up immediately after sleeping, either from a timer, or from the Sleep menu item. Even if all USB ports (except the wireless mouse) are empty Even ...
0
votes
0answers
20 views

Is it dangerous to use an iMac with broken USB ports? Is there such a thing as Firewire or display-port to USB?

I've got a mid-2010 iMac, 21", i3 processor with 4gb RAM installed which has only one partially-usable USB port, which will power a 3rd-party mouse, wireless dongle, or a keyboard sometimes, but not ...
0
votes
0answers
15 views

Keyboard unresponsive out of nothing

I have an old 13” MBP (Early 2011) which I use regularly but just a few minutes per day. Today I came back home - MBP was turned on and charging - and keyboard just doesn’t seem to work. Some keys ...
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0answers
97 views

Apple Diagnostics Reports Bad Battery but AASP Says Battery Is Perfect

I live in Italy. I have a rMBP 15 late 2013. It's performing just fine. It's covered by AppleCare for 1.5 more years. Every month I make Apple Diagnostics tests. I always had the ADP000 outcome, ...
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0answers
13 views

Hack the Griffin TuneCast II with 30 Pins Connector

I have got the above mentioned accessory and wanted to convert the proprietary 30 Pins Connector to a standard 3.5mm Audio In Jack. The accessory detects whether its connected to an iOS device and ...
0
votes
0answers
757 views

What does “-501 0D” mean when trying to run the Apple Hardware Test?

I have a late 2012 iMac running El Capitan which has become quite sluggish. I’ve tried a few software solutions, but I think it’s something wrong with the disk. (A lot of stuff is fine; anything that ...
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votes
0answers
1k views

Mac Pro 1,1 running Mac OS 10.6.8

Am having finder freezing problems on Mac Pro 1,1 running 10.6.8. I want to run Apple Hardware Test software but I don't have the disk. I downloaded the program from Github and copied it to DVD, but ...