New logic board and now won't link to airport express

hi
I have a macbook which I bought in january, after 2 weeks I had various kernal panics and apple replaced the logic board. I picked it up yesterday and was using it at work on a wireless network all day, then I came home and tried to connect to my airport express and it wouldn't connect, it sees every other network in the building, but not mine (pre logic board replacement it connected fine). I reset the cable box, plus the airport express a couple of times but no luck, I then tried to connect my ibook and lo and behold it connects fine, I am on it at the moment.
I've restarted the macbook a few times, plus checked that airport is on, I've checked all my network connections, and they are fine. I've used airport setup assistant and admin utility, and it just can't see the express.
So does anyone have an idea how I can get my macbook to see my airport express?
I can find nothing wrong with it or the macbook.
thanks very much

Do you have access control (MAC address filtering) enabled on the AirPort Express (AX)? If so, you need to add the MAC address of the wireless interface of your MacBook.
Even better, disable access control. It offers no real security since the MAC addresses are easily discovered and cloned.

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Apple installed a new logic board and now iTunes music is all gone and I cannot log into store or authorize my Mac

I have an early 2011 i7 MacBook Pro running OSX 10.9.4. Earlier this week I had Geniuses at the Apple Store install a new logic board to replace a failed one. My hard drive was not touched. Anyway, when I got home and launched iTunes, I discovered that none of the tens of thousands of legally purchased songs in my iTunes library were listed, even though they actually still exist in my Music folder. Additionally, my attempts to login to the iTunes Store with my valid and correct and accurate and current Apple ID with the correct password, did not work. In fact, no errors were generated. The logins simply erased my input after clicking SIGN IN and then the "Sign In" form came back empty.
As a developer and 28+ year user of the Mac, I was a little stunned to say the least. The Apple Store logic board replacement process should take into account iTunes authentication problems when replacing failed logic boards, but this issue was not discussed at all, in any form during the repair intake process. So, I now have a 'fixed' MacBook Pro that will not acknowledge my thousands of legally purchased songs and will not let me log into the iTunes Store with my valid credentials or authorize or de-authorize my Mac.
Indeed, iTunes Match is also disabled, which means $30 thrown away in paid subscription.
Does anyone know a workaround to this Apple flaw that can correct their mistake and re-enable my Mac for using my thousands of legally purchased songs?
Any feedback would be most appreciated!
Thanks,
Larry

Having your main logic board replaced wouldn't erase music from your hard drive, if it was actually stored on the drive. Your iTunes music resides in your user home folder in a folder called Music.
When you do get a logic board replaced, however, it is a good idea to have the computer first de-authorized from iTunes since you are only permitted to associate your iTunes Store account DRM purchases (movies, tv shows, and older digital-rights-managed music) with up to five computers. See Deauthorize your computer using iTunes.
When a new logic board is installed, you'll need to reauthorize the Mac again. It's not the end of the world, however, if this step wasn't initially taken. See Authorize your computer using iTunes.
...As for not seeing your music when you launch iTunes—try point iTunes to the correct location of your iTunes folder. To do this, quit iTunes. Press the option key and click the iTunes icon in the dock. It will then ask you to navigate to the location of your iTunes music (again usually located in the Music folder in your home folder).

HT1349 I received a new logic board and now my computer has no serial number under 'about this mac', and I need it to submit questions to apple. What do I do?

I can't find the serial number for my mac after getting a new logic board on recall for my macbook pro.

You can open System Profiler and see if it contains your serial number.
Or have the computer near a previous connected Wifi or on a Ethernet cable to your router.
Reboot holding the D key down for like what would appear to be 10 minutes until Hardware Test appears on the screen.
You can run a test if you wish.
There is a pane at the top if selected will give you your new serial number.
You also can use Terminal
You can quickly retrieve any Macs serial number via the command line by using the following command string:
system_profiler |grep "r (system)"
The command results will look something like this:
$ system_profiler |grep "r (system)"
Serial Number (system): C24E1322XXXX
If that fails you can give them your MAC address which is unique to each machine and there are records at Apple with it.
Open Utilities > Terminal. Copy, paste and press enter:
For your computers Ethernet (wired) MAC address: ifconfig en0 | grep ether
For your computers Airport (wireless) MAC address: ifconfig en1 | grep ether

New logic board and now i-tunes music store and i-disk not able to connect

Hi,
My poor MBP died a few weeks ago - the Logic board went and took the Apple RAM with it (the Crucial one stayed fine!). As it's only six months old it has been fixed under warranty. However....
I've just tried to play some purchased music from i-tunes. It says no. It's also unable to connect to the store and attempts to connect or sign-in are refused. (An unknown error 11333). I trashed the old one, preferences and all and installed the lasted 7.4 but the same problem.
I-disk in System Preferences is also refusing to accept my password and connect even though I can go to it it via Go in Finder.
When I type in my password in System Prefences it says "Keychain not found: Keychain "login" cannot be found to store '******'"
I can see something of a pattern here but have no idea how to fix this.
Any help appreciated.

Open the Keychain Access in the /Applications/Utilities/ folder and create a new keychain, giving it the name login.
(25187)

New logic board, and new display, but now completely dead.

Hi guys,
I've got an iBook G3, running 10.3.9.
In December 2006, the logic board failed, so I bought a MacBook, because I didn't have time to be offline waiting weeks for Apple to replace the iBook's logic board.
After much badgering, Apple reluctantly replaced the iBook's logic board under the extended warranty program.
While the iBook was with the Apple repair store, they replaced the display for new as well, even though I didn't ask them to, and even though I wasn't charged for it.
I presume that was because the store discovered that the display was duff enough to be replaced under another extended warranty program.
When I got the "repaired" unit home, with a brand new logic board, and a brand new display, I turned it on, and it seemed to be working fine, so I turned it off, and continued to use my MacBook.
A few weeks ago, the second logic board on my MacBook failed (another long horror story entirely), so I began using the iBook for the first time since it had been "repaired" some six months earlier.
Almost immediately, the iBook began exhibiting a major problem, specifically that I'd be typing away, and suddenly the display would go black.
I could just about see the icons and documents on the screen, but the unit was unusable.
So I pulled restarts, full shutdowns, disk utility, zapped the PRAM, etc, all to no avail.
It seemed to be an intermittent problem.
For example, sometimes, from a cold start, the unit would work for two or three hours until the display went black.
Other times, I'd pull a cold start, and it would go straight to the black display.
By chance, I discovered that if I gave the iBook a shake, the display would come back on.
But then it would go black after a second or two.
And then with another shake, it would come back on for a second or two.
And then it would go black after a second or two.
And then with another shake, it would come back on, sometimes for a couple of hours at a time.
So I figured that it must be a cable which, during the installation of the logic board, and/or the new display, wasn't seated correctly by the technician.
I phoned Apple, and told them about it.
They said that because I had reported the issue beyond 90 days since the logic board had been replaced, it was no longer Apple's problem.
I explained to Apple that I hadn't used the iBook for six months, because I had a MacBook.
After much badgering, Apple has agreed to replace the logic board if it's faulty.
However, Apple has refused to replace the NEW display, even if that's also faulty.
Apple is also insisting that I have to pay all the labor charges.
Meanwhile, I've noticed that the iBook is now incredibly hot.
I mean, the MacBook is infamous for running hot, but this "repaired" iBook makes my MacBook feel like a block of ice by comparison.
I don't remember the iBook running so extremely hot before the "repair."
Which has made me notice that during the last few weeks, I've never heard the iBook's fan come on.
I presume that an iBook has a fan ?
Please confirm.
Therefore, another loose cable ?
Today, the display went black again, as usual.
So I gave the iBook a shake.
But this time, nothing happened.
No display.
No fan.
No hard drive spinning.
Just silent and dead.
What do you reckon, guys ?
Duff logic board ?
And/or duff display ?
And/or duff fan ?
And/or duff cabling by the technician ?
As far as I'm concerned, I don't see why I should have to pay for yet another repair, to correct hardware and/or workmanship which was so bad that after only three weeks of ACTUAL use since the "repair", the unit is now completely dead.
All opinions and advice gratefully received.
With thanks and best wishes,
Michael
London, England

Hi S,
Many thanks for your helpful and swift response.
I agree with you regarding the likelihood that these problems would have surfaced immediately during normal usage, regardless of how much or little time had passed since the repair.
As advised, I will inform Apple Customer Relations UK about the new developments.
Indeed, when I resubmit the iBook, I'll include a print-out of this discussion.
I agree with you about the fan.
Prior to the failure of the first logic board, I ran that iBook for YEARS, without noticing any heat issue.
Indeed, if there had been such incredible heat, then I'd have searched these discussion boards, and reported it to Apple HQ.
Therefore, the astonishing heat is definitely a new development since the "repair."
Consequently, I take on board your comments about the lack of a working fan since the "repair", which I shall also mention to Apple HQ.
As for running the Apple Hardware Test, the unit is completely dead.
The power cable is green, but the unit is now completely silent and black.
I also note your suggestions regarding the cable which connects the display to the rest of the unit, which I shall also mention to Apple HQ.
No repair sheet was ever given to me by the Apple Repair Centre (ARC).
Indeed, no receipt was ever given to me when I delivered the unit to the ARC, nor was any paperwork ever given to me when I collected the unit from the ARC.
However, Apple HQ can see on their screen that the logic board and display were both replaced for new by the ARC.
What else was and wasn't done by the ARC is a mystery.
I'll phone the ARC and ask for copies of any and all paperwork, so that I can submit it all to Apple HQ, which I note is your recommended option, rather than returning the unit to the ARC.
However, the complicating factor is that with the exception of the logic board, it is my understanding that Apple is denying any liability on any part of the "repaired" unit, including the brand new display.
If I understand Apple HQ correctly, they're now saying that all other hardware and labor costs will be mine.
I'm sure I could buy a WORKING second-hand iBook G3 for the same price as a repair, if not cheaper.
Therefore, perhaps I should return the unit to the ARC, and give them the opportunity to correct their previous workmanship, at their OWN cost.
Because as far as I'm concerned, the ARC had two customers during the repair: Apple and the end-user, as evidenced by the fact that the ARC has invoiced its first customer Apple for workmanship which was clearly not up to Apple's own standards, and the ARC has then delivered the unit to its second customer, the end-user.
In addition, regardless of Apple's 90 day warranty on repaired hardware, UK law includes the Sale of Goods Act 1979, and other relevant legislation: http://www.dti.gov.uk/consumers/fact-sheets/page38311.html
Furthermore, if the ARC is completely unhelpful, I could jump all over them, by writing to Apple HQ, with cc's to the UK editions of MacWorld, MacFormat, and MacUser magazines.
As advised, if the unit goes to Apple HQ, I will suggest that the unit is looked at carefully during disassembly, to see if errors were made during the ARC "repair."
I'm always polite when on the phone to Apple, because I love the company so much.
Indeed, even though during the last twelve months, I've been having very bad luck with the iBook, as well as with a MacBook which has exhibited so many problems that Apple has now agreed to replace old for new, I still love my Mac.
And joy, sweet joy, I've just seen on the TNT courier's tracker website, that my replacement MacBook, built by Apple in Singapore, then flown to Arnhem in Germany, then flown to Northampton UK, then delivered to Heathrow UK, left the Heathrow depot 30 minutes ago, for delivery to the customer.
And the sun is shining.
Thank you again for all your kind and wise advice.
With best wishes,
Michael
London, England

I am looking to upgrade my macbook pro 13". I have a new logic board and have searched for the spec on this i.e. hdd size and ram. will my 2009 screen work with a updated graphics card ??

I am looking to upgrade my macbook pro 13". I have a new logic board and have searched for the spec on this i.e. hdd size and ram. will my 2009 screen work with an updated graphics card ??

Sounds just like what was happening with my Alum MB. I took it in and they replaced my battery. It seems to be ok now. I don't know what it is, but my battery was fine before 10.5.6 and the same timeframe of the firmware updates when they came out.
My battery health was jumping around but was fine before all of this happened. Unfortunately at 381 cycles I don't think you have much chance of getting the battery for free. Perhaps you can complain about the battery saying it was fine until 10.5.6 or whatever. Not sure when your computer was made, but perhaps you are eligible for this program: http://www.apple.com/support/macbook_macbookpro/batteryupdate/

I have a new logic board and fce is asking for my serial number from packaging , which has long gone- help?

final cut express
I have a new logic board and fce is asking for my serial number from packaging , which has long gone- help?

Without the serial number your FCE disc is useless and nobody here can help.
Your only chance, if you have the receipt or can prove your purchase is to contact Apple and hope they may be able to help.

I lost my internet last night and now i cannot get my airport express to work

i lost my internet last night and now i cannot get my airport express to work it is blanking yellow on /off

Have you tried AirPort Utility it the Utility folder? If so, what was the result?

Just installed a new time capsule and i want to use my airport express to extend my wireless range....time capsule working with existing devices at this time...but i am not able to get airport utility to recognize the airport express.....????

just installed a new time capsule and i want to use my airport express to extend my wireless range....time capsule working with existing devices at this time...but i am not able to get airport utility to recognize the airport express.....????

Temporarily connecting your AirPort Express to one of the Time Capsule's Etherent LAN <-> ports...as LaPastenagure suggests....is always a good way to setup and configure other network devices.
If you want to configure the Express using wireless, remember that the Express broadcasts a default wireless signal with a name like Apple Network xxxxxx. You must log on to this network first....no password is required....then open AirPort Utility to "see" the AirPort Express.

I have just upgraded iTunes to version 11 and now cannot stream via my airport express to my hiFi. I get error 15000. how can this be corrected?

I have just upgraded iTunes to version 11 and now cannot stream via my airport express to my hiFi. I get error 15000. how can this be corrected?

You've done great so far to upgrade to Leopard & install more RAM. Now install the 10.5.8 combo update at http://support.apple.com/downloads/Mac_OS_X_10_5_8_Combo_Update
After you install the 10.5.8 update, click on the Apple in the menu & select Software Update. You will then be informed of some application updates. iTunes may be one of them. Then click to install the app updates.
 Cheers, Tom

6-month old Mac Pro has already had a new logic board and power supply

At a cost of $400 in shipping and a one-month wait, my 5-month old Mac Pro got a new power supply and logic board
Now I keep getting kernel panics, runaway kernel_task in Activity Monitor, and corrupted boot drives
External Firewire drives work some of the time, and occasionally my USB devices dont work either
This computer is a nightmare - how do I begin to figure out if this is OS (10.6.4) or hardware related?
The extended AHT test reports that all is OK - as does an extended memory test using Applejack
Should I do firmware updates and re-install the 10.6.4 combo pack, or am I just wasting more of my time?
I've got 4 macs and this is the only one that works badly - I think Apple's OS updates are getting as bad as Windows updates

My first question is why you spent $400 to get a 5 month old system fixed. That should have been covered under the warranty. So someone ripped you off, or you left out some key details.
And if you had both the logic board and PSU replaced, did you ever stop to think that maybe the problem lies with the power coming into your house? It's not really the big power spikes or blackouts you need to worry about, since those are pretty rare. What you need to worry about are the small fluctuations in voltage that happen several hundred times a day, if not an hour. Sometimes there's not quite enough power, other times there's a little too much, and all of this takes a steady toll on the PSU. It will do what it can to try and feed the rest of the computer a steady diet of electricity, but sometimes a jolt will get past it and start damaging other components. It could even cause data corruption on your HDD.
If the PSU and logic board already went, who knows what damage it may have caused to anything else. It may just be taking longer to show up.
It might also be that whomever ripped you off to the tune of $400 simply traded you one defective logic board for another. Or maybe they don't really know how to protect against ESD. I once saw a repair shop where the techs smoked in the same room they did the repairs. Sadly, for every one good tech out there, there's probably at least 3 complete idiots. Kind of like auto mechanics.
And I never have problems with Windows or Apple updates. Seems like on Windows the majority of people who have problems with updates are either running some program designed to change the way Windows looks or messes with low level system files, or they have a malware infestation they were unaware of/oblivious to. Most of the people who have problems with Apple updates seem to be the same way. They're running some truly bizarre programs that mess with the system in ways programs were not intended to mess with the system. There's generally a reason OS vendors provide an API for developers. You deviate from that at your own peril.

New logic board and network connection problems

My late 2007 MBP just had a new logic board installed. I have home and work wireless networks that are configured to connect automatically. This always worked flawlessly in the past. My MBP would find the network, connect and all was well. Since I've had the new logic board I'm having issues. The wireless network will be detected but an IP address is not assigned so I can't get on the network or internet. Both my home and work networks were set to assign a specific IP address to my computer. The MAC address detected by the router is correct, at least according to System Preferences.
The only way I can connect is to disable the firewall (Allow all incoming connections). When I do this I connect immediately to the network and everything works as normal. I can even turn the firewall back on and everything will be fine, that is until I leave work and turn the computer on at home. Then I have to go through this again. And then again when I go to work in the morning. I've tried deleting my router profile and resetting from scratch, deleting the network profiles in System Preferences and re-detecting. I don't know what else to try. It's an annoying problem.
Any suggestions?
Thanks.
Kevin

I think I have it fixed. One of the solutions I read about had to do with the 10.5.7 upgrade. I have always installed the smaller upgrades, not the larger "combo" upgrades. One tip suggested installing the full combo upgrade because, among other things, it re-creates two specific files that control how the computer interacts with the network. I installed the combo upgrade last Friday and connected without difficulty to the network at my office this morning. If I connect just as easily when I get home tonight I will consider the problem solved.
Cheers!
Kevin

Got my macbook back from Heasync Logic board and now...

I just got my macbook back after 11 days (and i have procare). I brought it in to apple to get fixed because i, like the rest of the macbook using population, was suffering from the random shutdowns... well, i picked it up today... the machine was screaming (as in good) it passed the AHT with flying colors before i left the store... well, i just got home and performed the QT and iTunes updates that i missed while it was at depot and after the required restart... a beautiful stream of colorful lines started dripping down my screen (its the logic board i know) I am not questioning what my current problem is... what my question to all of you who have received your macbooks back after having the MLB and Heatsink replaced....
How many of you have had your NEW logic boards go within a couple days of getting your machine back?

how does one reset the resolution?
system preferences>displays>Display tab
choose an alternate resolution, and then reset it back to the original, and restart the computer
i mention this because apparantly its a flaw in the logic board that is fixed by doing this, its helped others out (search a couple pages deep and youll find more talk about the lines on the screen)

I got my Macbook Pro 17inch (early 2011) back from Apple (they had to replace the logic board) and now my microphone is not working

I got my Macbook Pro 17inch (early 2011) back from Apple (they had to replace the logic board) 3 days ago, I had a terrible experience as the genious who gave me my solid state disk for safekeeping lost my disk's brackets thus I had to wait 2 more hours until they find one after 10 days of waiting for the repair. I noticed some weird sounds, like somehting is moving with the mac 1-2 times, even if I have no mechanical parts other than the fans, but my real issue at the moment is that my microphone is not working. I can see the mic in the System Info however and in Audio Midi Setup. In the Audio Midi Setup I see that the master chanel is turned off and I can't turn in on. Ch 1 and 2 are on full. I also noticed the first seconds after the comp. boots the blue bar goes to the middle in the System Preferences -> Sound -> Input. Any ideas what to do or try? I do not want to go back to the apple store as it is 50 minutes away from here and I need my laptop as a computer science student. Everything else is working perfectly.

You need to call both the store that did the repair and Apple directly, warranty service or Apple care, and report this problem with both of them and get a ticket number of some kind (some kind of verification number) that the unit just came back from major service with this problem and that you want it fixed when you can lose the use of it, which is not right now.
Without doing something like that they could easily say it is damage not covered under the normal warranty.
God knows what the repair center did and did not do to it while it was there.
And depending on when you actually bought it the warranty could run out in the mean time.

3 times dead logic board and now you are on your own.

My G5 is dead for the 3rd time.
1st time it was fixed at CompUSA. They told me that the logic board was under recall and they fixed it. They told me that they had seen a bunch of these. OK.
2nd time logic board. they open it at apple and say, yup popped capacitors. I call apple to complain, they say you are covered.
3rd time logic board, AGAIN. they will fix it this time.... AND YOU WILL ONLY BE COVER FOR 90DAYS AFTER THIS, IT IS OUT OF WARRANTY NOW.
When you buy a computer that has a know problem and you let them try to correct it, is this how you should be treated? Has any one else been treated like this?
what should I do?

Hi S SQUAT-
Greetings and welcome to the Apple Discussion boards
Miriam offers sage advice. Contact Apple at the number provided and firmly yet politely state your case.
You may also want to research your local consumer protection laws. Often manufacturer's are given three tries to fix the same problem then must provide you with another solution in either a refund or a replacement unit.
On a related note, I have never been impressed with Apple service as provided by CompUSA. Apple will always try to point you to the nearest facility but you do have the option to choose another service provider.
Luck-
-DP

New logic board and now won't link to airport express

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