Apple hardware test detected an error.

Well, I'm back (see older post) . Just ran Apple hardware test and it says it detected an error. What should I do from here??
I using the original Tiger discs which came with the computer. The Leopard disk was just a drop-in CPU disc they gave me to upgrade from (when I purchased the iMac in 07). Can I just use the Tiger disc again to run Disk Utility and try to fix the HD?
Nancy

Attempted to repair disk via the Disk Utility on the Tiger disc.
Now receive new messages:
under Verify & Repair Macintosh HD:
Error: The underlying task reported failure on exit.
uner 1 non HFS volume checked:
1 volume could not be repaired because of an error.
I think I'm toast. Can anyone tell me what to do at this point?
Thanks,
Nany

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Apple Hardware Test detected an error code... now what?

I ran AHT and I got this message:
Alert! Apple Hardware Test has detected an error
4M0T/1/40000003:HDD-1424
Can anyone shed some light on this?
My early 2008 iMac has been having issues with the spinning wheel when opening and using applications. I can't seem to pinpoint when it happens, but many times I will have to shut down or power the machine off to stop the wheel of death from spinning.
Any help would be greatly appreciated.

bump... any one else?
I was able to boot the machine up today and I am noticing the top of the machine is getting very hot. Could this be the overheating issue I have read about here in discussions?
I was also able to transfer files to an old eMac, so I am backed up, but that transfer slowed after the machine warmed up. I would shut the iMac down and let it cool... it then transfered great while cool but slowed when it heated up....
I am taking it in to a local authorized repair shop Monday morning..... just hoping for some more thoughts before then.
Thanks!

Apple Hardware Test detected following error: 4ROM/2/40000008: 0x84a18698

My laptop doesn't wake up at times, doesn't power on.
Once it powers on, then no issues is found.
However, after turning off, difficult to power on.

I am using
Mac OS X Snow Leopard (version 10.6) actually. mistakenly selected OS 9

Con apple hardware test rilevo questo errore nella memoria 2MEM/1/4 DIMM1/J4001/1/ e qualche altra volta 2MEM/104/4 DIMM1/J4001 ritengo siano problemi ad una delle memorie ram aggiuntive. che debbo fare ? è da sostituire? o c'è un modo di escludere l

con apple hardware test nel mio IMAC G5, rilevo questo errore nella memoria 2MEM/1/4 DIMM1/J4001/1/ e qualche altra volta 2MEM/104/4 DIMM1/J4001 ritengo siano problemi ad una delle memorie ram aggiuntive. che debbo fare ? è da sostituire? o c'è un modo di escludere il o i banchi di memoria interessati?

Where do I find a list of error meanings for Apple Hardware Test?

I think My 27" mid 2011 iMac has a faulty thermostat on the ODD. I ran the Apple Hardware Test and the error message was 4M0T/4/40000002:ODD-0. Where can I learn what this error code actually means?

That error message means that there is a problem with the optical drive fan motor. I recommend you to make a backup of your files and take the Mac to an Apple Store or reseller in order to prevent any problem.
Here you can find a list of Apple Hardware Test messages -> http://www.macissues.com/2014/03/21/how-to-run-and-interpret-apples-hardware-tes ts-on-your-mac/

What does Apple Hardware Test error code 4MEM/1/40000000:OX3bb6b190 mean?

Mozilla kept crashing so I did the Apple Hardware Test and got error code 4MEM/1/40000000:OX3bb6b190. I reinstalled MacOs 10.4.4 (after saving the important stuff to disk of course) and it took about 10 tries to get the 2 disks installed. After the installation, I tried to update to 10.4.5, and when I restarted, the screen was blank. The only disk the computer will start with now is the No. 1 installation disk. What can I do?

Hi
A MEM error code generally indicates a faulty RAM Module. In my experience most RAM manufacturers offer at least a 5 year warranty of their RAM products. Some warranties are for 10 years. Sometimes reseating (taking it out and putting it back in again - properly) the Module will 'cure' the problem. Run AHT afterwards if you try this option first.
If you can remove the offending module and still have enough RAM to be able to do what you need to do then do so.
If not take it to your nearest Apple Repair Specialist who should fix it for you or replace the faulty module yourself and deal with the RAM manufacturer directly.
Judging by the footer to your post you don't seem to have had much luck with this model have you?
Tony

G5 Full Speed Fans/ The Apple Hardware Tests Error Code

Since yesterday My DP1.8 G5's fans are max speed like jet engine. I tried PMU resets , Disk warrior. But nothing helps. The Apple Hardware Test gave me error code of "post/192/0" . Do you guys know what does this error code mean?
Thank you.

Hi-
Welcome to Discussions!
I think thast the error is related to the "Power On Self Test", or POST. When you start the machine, are there any beeps, or power button LED flashes? If there is a POST error at startup, the power LED would flash in cadence with the beeps..
1 beep = no RAM installed
2 beeps = incompatible RAM types
3 beeps = no good banks
4 beeps = no good boot images in the boot ROM (and/or bad sys config block)
5 beeps = processor is not usable
Do you have any new RAM installed?

Hello. Apple hardware test has detected an error. 4SNS/1/40000001:TN1D--1.000

Hello. Apple hardware test has detected an error. 4SNS/1/40000001:TN1D--1.000 Anyone knows what that means ? OS doesn't boot. Maybe it's hard disk error ?

It means your screwed if you're out of warranty.
That error translates to your northbridge temperature sensor is bad- BUT IN MAC "GENIUS" LAND, that means you either need a whole new logic board (a $700 part) or buy a new MacBook. On the non-unibody MacBook pros, you could have came to my store and spend $75 and had a working computer the same day- this is no longer possible on the unibody MacBooks.
WHY, WHY, WHY?
In a bold design move, Apple decided to SOLDER the thermal sensors to the logic board (along with many other components such as the video, graphics and IO), thus rendering these parts NON-SERVICEABLE by us independant technicians. Apple's reasoning is that they can "make their notebooks thinner", but why sacrifice performace for asthetics? Who cares, buy a new MacBook.
WHO NEEDS TEMPERATURE SENSORS?
It doesn't matter if your laptop is running hot or not, when a temperature sensor goes bad on a Mac, it shuts your computer down to prevent further damage. Apple was the first company to implement this "failsafe", now PC motherboard vendors are following suit after watching Apple's stock soar. What this means: Is that you could actually have a perfectly functioning MacBook except for one thing; the little guy who's sole purpose is to report whether it's not the computer is running hot or not has decided to not show up for work, so they closed up shop. If you ask me, it's the equivalent of a restaraunt closing on account of not having a dishwasher- but that's just the opinion of an ex-certified ACMT and what do I know- I'm not a "genius" or anything.

HT201257 mac os x 10.4.11 tiger: apple hardware test has detected an error (what does this mean): 4SNS/1/40000001:VDOR

Can someone help? I did an apple hardware test and it has detected an error: 4SNS/1/40000001:VDOR
What does that mean? Can i correct it myself? how?
my computer is "tiger" mac os x 10.4.11, Processor: 2.16 GHz Intel Core 2 Duo, Memory: 2.5 Go 667 MHz DDR2 SDRAM

Thank's for answering, realy appreciate your time,
A technician had installed last year "mac os x snow leopard 10.6" (family pack) at around $49.00 - I had originaly mac os x 10.4.11 (tiger). He had changed my hard drive, added memory: 2.5 Go 667 MHz DDR2 SDRAM, processor is: 2.16 GHz Intel Core 2 Duo (he told me he had to change my hard drive probably due to a power shortage. Before he did the changes, I had done a hardware test: it gave me the same error as today 4SNS/1/40000001:DVOR, He cleaned the inside, but he did not change any sensors. What am i to do???
Not too long ago i started having problems. (probably from a power shortage, at one point. I don't know if my external back up got corrupt. so i don't want to use it. He had eraced tiger 10.4.11 and installed snow leopard 10.6.
I eraced snow leopard and installed mac os x 10.4.11 (that came with my computer).
I wanted to install mac os x 10.6 (snow Leopard) without eracing tiger (chat sites say you can do that) but it said it couldn't use my hard disk because of my memory: my info says: used: 18,78 Go on the disk, available: 446.66 Go, Capacity: 465,44 Go
So that's when i did a hardware test with the CD1 of mac os x 10.4 (tiger) and that where i got the message.
If i have a sensor problem, then i guess i'm waisting my time trying to reinstall mac os x 10.6 (snow Leopard) or am i doing it wrong. I was told i could leave tiger there and upgrade directly to snow leopard, without installing mac os x 10.5 (leopard).
Thank again

Will Apple Hardware Test definitely detect RAM errors?

Hello,
Been having various problems with Leopard/MacBook. Someone suggested running Apple Hardware Test, which I did, in extended + looping mode all night (it cycled 6 times). The test turned up nothing. Can I take this to mean that whatever problems I am having are definitely software related? I am not familiar with the AHT, don't know exactly what it does, nor how I can interpret a "clean" result...
Many thanks for any advice/tips.

No indeed (just "Colin" is fine...)
My problems have mostly been documented by other people, and I have just been monitoring the discussions on these issues.
Specifically (at the risk of getting off-topic):
1) inconsistent shared server behaviour: I have 3 other macs at home - an iBook and a G4 MiniMac running Tiger, and a G4 tower, also running Leopard - and most of the time, the tower doesn't show up at all, but I can connect to it via CMD-K, the MiniMac shows up in the sidebar, but won't let me connect, and the iBook, when it is running, behaves normally. Oh, screen sharing doesn't work either: it tries connect but hangs (except for the iBook, which works). I could connect to all four quite normally after upgrading to 10.5.0, using the sidebar icons. Everything worked fine until sometime after the 10.5.1 update, when suddenly everything went pear-shaped. Nothing has changed in the configs of the other machines, and the iBook and the MiniMac are identical in terms of software config (but behave differently as regards this problem?!?)
Closing Airport and reopening it makes the icons reappear in the sidebar (all of them, G4 tower included), as does relaunching the Finder, but doesn't change the behaviour: I still can't connect. When I try to use the sidebar icon for the tower, it disappears (the icon...)
As far as I can tell, trying to operate shares from the G4 tower works as Apple intended (although I admit I have not exhaustively tested every option, as I don't have unlimited time...)
2) Lost my printer connections, both at work and at home. I managed to reestablish them at work, but I tried so many things that finally I'm not sure what actually worked. No dice at home (shared printer on the MiniMac... same problem as (1) I guess.)
3) the dreaded Keynote spontaneous reboot problem (I placed a reply about that last night here:
http://discussions.apple.com/message.jspa?messageID=6630702#6630702
4) diverse weird things, like
4a)iCal which had doubled all my events the last time I opened it. I had to manually delete one copy of every event I had entered, whereas I made these entries several weeks ago, and had consulted them many times... I'm thinking this is perhaps a result of the brutal reboots caused by (3)? Having deleted all the doubles, iCal seems to be behaving normally again.
4b)screen resolutions on my slave screen suddenly failing to select properly. I move my MacBook between two different external monitors, one at work, one at home, and their resolutions are different. Initially the MacBook had no trouble detecting and correctly setting the resolutions for the two screens, then suddenly my home screen went weird on me, and required a manual reset. Again, this was a once-off, and does not seem to be repeating (yet).
4c)sluggish performance with some apps that are normally quite snappy, like Firefox, which seems to hang a lot loading pages, Keynote (saving is often painfully slow), and indeed, trying to copy a 250Mb file from the tower to the MacBook via Airport (having connected using CMD-K) said it was going to take 33 hrs, which I thought was a bit rich...
4d) hot-swapping a usb pin for a keyboard+optical mouse receiver from the tower to the MacBook sometimes causes something inexplicable to happen to the MacBook's keyboard: both the Caps and the NumLock LEDs come on, and the keyboard has jumped into some config other than what it is normally in (French). I have not been able to determine what the keyboard actually thinks it is when this occurs (3 times now). The command keys (ctrl, alt, cmd) do not appear to work at all. Rebooting corrects it.
All up, pretty irritating, and a huge time waster, as you can well imagine. I stuck a bit of a rant on the discussions the other day in a moment of intense frustration, which got zapped by the moderators (probably not unreasonably!), but not before someone replied suggesting that it might be bad RAM, hence my questions here.

Error Codes after Apple Hardware Test...

After someone here told me I've been experiencing kernel panics, I did some digging on the x lab site and re-ran the Apple hardware test in loop mode. after 17 runs, it returned the error:
4MOT/2/40000005:Right Side
I can't seem to find a list of error codes anywhere. My MBP has two 1GB RAM chips, both were pre-installed when I got the machine from Apple. I haven't tried switching them to see if the same error is returned on testing or with ONLY one or the other installed to see if this is truly a RAM issue. I thought I'd post to the forum for ideas first...

I'm afraid I have no idea. If you have AppleCare, I would ask them about the error code. You do have a different error code (/2/ not /1/ and different number after the second slash) than the link, so perhaps it is not a fan motor that is your problem, though I'm hard-pressed to think of what other motors the MBP has (I don't think the hard drive is on the right side, for one.) Alternatively I can imagine, since you said it took you 17 tests to get the result, that this is an intermitent problem--for all I know, just a slightly loose/poorly soldered wire--and so istat hasn't detected the problem yet.
I think AppleCare or a Mac Genius is your best bet, if you have the one or can get to the other. In particular, unfortunately, Apple does not seem to publish the hardware error codes; it only makes them available to techs.
Good luck!

Anyone Know what this apple hardware test error means?

Hi I've been experiencing some problems with my mac it gets to hot fans nerver go up not even with smc fan control installed and some times it freezes so i decided to run the apple hardware test that comes with the machine and during the memory part it showed me this error code
4MOT/1/40000003:HDD
Does any one know what this means or have any idea with what part of the machine it can be related to
Thanks hope sombody answers

If I had a hardware error detected by Apple Hardware Test (which in my experience misses the minor things) then I would be raising a case with AppleCare right away.
http://www.apple.com/support/contact/phone_contacts.html
You shouldn't have to deal with hardware failures on a Mac this young.
mrtotes

Ran Apple Hardware Test from USB Install Drive on new MBA, Got this error

Last week I got the fully loaded 2010 MBA 13" (2.13ghz/4gb/256gb).
It's just perfect, I have no problems with it.
On a whim, I ran the quick Apple Hardware Test using the included USB install drive (took just a few minutes) and it came up with this:
Alert! Apple Hardware Test has detected an error.
4SNS/1/40000001:IDOR-0.040
Screenshot:
http://img811.imageshack.us/img811/9800/2010macbookairhardwaret.jpg
Any ideas on what that means? Hopefully it's a false positive. I'm running the extended test right now, which will take more than an hour. Will report back.
Anyone seeing anything from the hardware test?

jonm8 wrote:
Last week I got the fully loaded 2010 MBA 13" (2.13ghz/4gb/256gb).
It's just perfect, I have no problems with it.
On a whim, I ran the quick Apple Hardware Test using the included USB install drive (took just a few minutes) and it came up with this:
Alert! Apple Hardware Test has detected an error.
4SNS/1/40000001:IDOR-0.040
Screenshot:
http://img811.imageshack.us/img811/9800/2010macbookairhardwaret.jpg
Any ideas on what that means? Hopefully it's a false positive. I'm running the extended test right now, which will take more than an hour. Will report back.
Anyone seeing anything from the hardware test?
I think this will solve your issue:
http://support.apple.com/kb/TS3578?viewlocale=en_US

Can anyone tell me what apple hardware test error code apple hardware 4MOT/4/40000002: Exhaust-1153 or 1209 means? I am running a MacBook Pro.

Can anyone tell me what apple hardware test error code apple hardware 4MOT/4/40000002: Exhaust-1153 or 1209 means? I am running a MacBook Pro

The motor on the exhaust fan has failed or is failing.

What are the meanings of Apple Hardware Test error codes 4m0t/4/40000003:hdd-1300 and 4m0t/4/40000003:hdd-1308?

what are the meanings of Apple Hardware Test error codes 4m0t/4/40000003:hdd-1300 and 4m0t/4/40000003:hdd-1308?

Thanks - Even though I'm years out of warranty I got chat help from Apple (I said they should help me since the codes aren't published.) We covered three different questions, and although I didn't get a specific decoding of the error code, I got confirmation of what other comments here imply - it might have helped that I indicated I'd already been here - and useful links to how to do back ups, including to CD(s). (I don't have a lot of data on this computer yet)
Now I need to figure out how to decide how hot-to-the-touch is "too hot" for the metal frame at the top of the iMac to decide whether I'm getting adequate fan performance or insufficient. While chatting I initially reported it was cool at the bottom and warm at the top. Apple hadn't asked, but their response prompted me to feel it again, and I'd say the top was hot, not warm - I updated but Apple didn't comment further except to conclude after addressing the other questions that I should take it in for further assessment - don't really want to bother with that.

Apple hardware test detected an error.

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