Hardware test turns up RAM error

I get this error when running the hardware test:
2MEM/103/4: SODIMM1/J25UPPER
What does this mean?
This is the first time I've run hardware test since I've had the computer (June 2005) and I've had this memory the entire time, but haven't had problems. The reason I ran this hardware test was because I was having trouble with my wireless connection, so I ran it to see if anything was up. Thanks for your help.

It says either the upper RAM slot RAM board, or the upper RAM slot is in need of replacing. See this replacement program to see if you qualify:
http://docs.info.apple.com/article.html?artnum=303173
If you are getting four language you must restart your computer errors, those could be indicative of your having the problem too, or if you are forced to restart the machine from the power button instead of force quit applications by command-option-escape.
If you are out of AppleCare and replacing your RAM in warranty does not solve the problem, you may need to go to a notebook repair center to see how much they charge different from Apple:
http://www.dttservice.com/
http://www.powerbookresq.com/
http://www.microdocusa.com/
http://www.macspecialist.com/
http://www.techrestore.com/
And follow my backup FAQ before sending it in for repair:
http://www.macmaps.com/backup.html

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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.

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.

Unstable Hardware test after upgrating Ram

Hello, i was upgrated RAM to my MBP - LATE 2011 15" , i7 2.4 ,
to Mushkin 8GB DDR3 1333MHZ PC3-10600/10666 204pin .
After i run Apple Hardware Test, and sometimes jumps out a ram error, i use the test second time, and it shows me no errors. Ratio = 1 time it shows ram error , 3 with no errors.
How can it be ?
4MEM/9/400000000 0x851fca98 and 0x84709e18

http://support.apple.com/kb/SP644
2.4GHz MacBook Pro (MD322LL/A)
this RAM : http://www.ramexperts.com/977014a-ddr3-sodimm-2x4gb-8gb-pc3-10600-sodimm-apple-9 -9-9-24-1-5v.html

Hardware Test and Hard Disk error

I was happy with my iBook, it repairs when it freeze and never has a virus,etc... but the last week someone mail me a huevocartoon (a video) in a mail and when I discharge to my computer it began to make some "pi" sounds and froze it! then it tried to unfroze and then again that "pi" sounds, so I need to restart, but then again that "pi". Today, reading the manual, and after a virus scan, I tried the Hardware Test and I found an error: 2STF/8/3: ATA -100 ata -6-Master.
I suposse it's the hard disk, but I don't know what to do!!! Does my computer will die? (I mean, I need to backup all my data? and all the stuff?) Please help!!!

Open disk utility in the utilities folder, and check the SMART status of your hard drive. It should be say verified, if it does not your hard drive will fail soon.

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

I own an IMAC G5. It is running very slow. Did hardware test and it came up with error code 2STF/8/3:S-ATABUSO-Master. What do I need to do next? Thanks in Advance. Stuart

I own an Imac G5. It is running very slow. Did hardware test and got an error code 2STF/8/3:S-ATABUSO-Master. What is my next step?
Also how do i run disk first aid on the computer off of the install disks? Which disk do i do it from. Thanks in advance. Stuart

Sounds like your hard drive it about to die.
I would backup ASAP.
To run First Aid on your disk, you need to boot from the install DVD for your Mac.
After selecting the language, open Disk Utiltity and repair the disk.
If it reports errors that DU is unable to repair, report them here and we will provide additional help.
Allan

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

Apple Hardware Test Error Code " 2STH/1/2:CPU A AD7417AD1 "

Hi All,
I have a G5 2.5 GHz dual processer that seems to work fine after 14 months. But when I run the Apple Hardware Test, I get the error message listed in my subject above. I talked to Apple and took the machine in for service. Servicer said get the latest upgrade of the AHD and try it instead of one that came with my machine. After some work (a good bit), I got Apple to send me the upgrade and when I run it, I still get the same error code! Does anyone have any suggestions? I could sure use them. Thanks,
Chuck
Powermac G5 Mac OS X (10.3.9)
Powermac G5 Mac OS X (10.3.9)
Powermac G5 Mac OS X (10.3.9)
Powermac G5 Mac OS X (10.3.9)

Although you do not have any symptoms(?) the same error was cause for concern here
http://discussions.apple.com/thread.jspa?messageID=598444&#598444

Apple hardware test error 4SNS/1/40000000: TB1T-128.000

I have just bought a used Macbook unibody 2.4, 6GB DDR3, 500GB 7200
And did a apple hardware test which showed the error "4SNS/1/40000000: TB1T-128.000"
What might it mean and how serious it might be?
I tried to google it and found out but not successfully.
Could anyone help with it?
Thank you.

It's a sensor error. We have no access to the "translation" of hardware test diagnostic messages. You'll need to take the computer to an Apple service center.

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!

Video Ram Error Code

I ran Hardware Test and got an error for Video Ram. 2ATI/1/4 113xxxxx117
Can I replace the Video Ram myself? If not, how much does a repair like that cost? RAM is guaranteed for life, right? So how about Video Ram?
I am getting lines around icons and the cursor. It is imposible to watch any videos in iTunes or FrontRow without enormous graphic interference. Like a really bad connection on your TV.
Thanks.

The video RAM is part of the motherboard. It is not something that you can replace yourself. Unfortunately it means that you need a new motherboard.
FYI, you should ask future questions in the iMac G5 discussion area since you have an iMac G5.

Problem with Hardware Test on Quad G5

I have just set up my new Quad G5 and tried to run a big render task on Final Cut Pro. The task quits every time after a few minutes with no explanation.
I decided to try the Hardware Test to see if I was having memory problems with the 2 1GB modules that I had installed.
I removed everything connected to the computer except the display (20" Studio). The tests seem to load OK but as soon as the opening "Test choice" window comes up I get an error in the bottom left corner of the screen which says:
Warning! Memory leaks numMalloc before 49 numMalloc after 812
Reboot to reinitialize the heap
Standalone Diagnostics v24.1.2
So I thought there must be a memory problem, so I removed the 2 new DIMMs and tried again - same problem!
Do I have a bad test disk?

Hi everyone!
Many thanks for all the helpful suggestions. Here's where I am now.
I reset the PMU
I downloaded Hardware Monitor (and paid the $8!) and it tells me that everything is normal. For the Quad, this gidget monitors all the fan speeds (7 fans and 2 pumps), all the temperatures (i.e. of all 4 CPU's, logic board, memory controller, HDD, inlet and outlet temps, graphics chip - 11 monitors in all) and CPU voltages and currents.
All fans are running normally, all temps are normal, everything looks fine!
I also did an extensive memory test (using Memtest) to make sure that my extra 2GB did not have a problem.
So...... all I can deduce is that I have a weird error on the hardware test DVD!
I did also solve the other problem with my FCP rendering. I had been using a non-self-contained NTSC HDV movie in the timeline for my down-conversion/standards conversion to PAL SD standard. I found that if I made the movie self-contained it worked fine. I actually think that I might have had some bum references in the non-self-contained version (it makes use of a whole lot of previous render files) because I had transferred all the info from my old G4 and something was probably missing!!!
That's how this whole thing started - the file wouldn't render properly - always stopped after about 10 minutes. It is a very big render - it's a 1 hour 20 min HDV video and will take 45 hours to render on the Quad (over 3 days on the dual G4). I suspected bad memory so tried the hardware test, found the fan error .....etc, etc!
Now I know that everything is good so I can concentrate on my FCP projects.
Quad G5 Mac OS X (10.4.3) Standard non-upgraded G5 except 2.5G RAM,

What does hardware test code

4SNS /1/ 40000000: TB3T-128.000 mean? My daughter's MacBook Pro mid 2009 stopped working, locked up, and on reboot displayed a grey screen with a "Do Not Enter" symbol.
The hardware test resulted in an error found. Any guesses where the error is?

An internal temperature sensor has failed. You will have to take the MBP to an Apple store genius bar for repair.
Ciao.

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?

Hardware test turns up RAM error

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