System identifier button is flashing yellow

Yesterday I updated my Xserve 10.5.1 system with the Mac OS X 10.5.2 and Security Update 2008-001
The server updated, restarted had no issues, it seemed happy. This morning when I arrived to work the server was down. When I went to check it out the system identifier button was flashing yellow, and the system was stuck in the boot up mode (apple icon and the swirly pinwheel) I restarted the system hoping this would resolve the issue, but that did nothing. Tomorrow I am going to try to use the diagnostic tools from the CD to see if I can isolate the issue which I’m guessing is some kinda hardware of software conflict.
Has anyone else had this issue after updating, or have any suggestions?
I’m a very new to this server admin task so if any veterans have some feedback it would be greatly appreciate.
Thanks,

Yes the yellow light is indicating a hardware issue, I don't have access to my server monitor. The server appears to be rebooting itself in a loop. Has anyone had any experiences like this?

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Thanks for your response
Let me give the history - I started with an Apple Express being fed thru a D-Link EBTR 2310 cable Router from an RCA DCM315 Modem (Pure). Comcast service all the way.
Got the 1st generation TC in 2008 and merely replaced the Airport Express with the TC. Worked ok
A year or two ago I did try removing the modem and feeding the TC directly from the modem. Resulted in the same condition I have now - Continuous flashing amber on the TC. So I put the router back in the chain.
Some time later, at the recommendation of a Comcast rep, I replaced the router with (a Belkin F5D 5231) to see if speed and dropout problems would be improved. I thought it helped some at the time but now I am not so sure.
Last week I decided to see if a new modem would help with download speeds. So I got another pure cable modem (Motorola SB 6121- high on the Comcast recommended list).
Got up and running easily with Comcast help and with the modem connected directly to a computer.
Next I put the TC in the link and again could not get past the TC continuing to flash amber. Although I did get connected to the internet with this configuration I lost connection two both of my printers - one connected by USB and the other wirelessly to the TC. Again everything works fine when I put the Belkin router back in the system.
However with the router in there, the modem shows the downstream connection to be 10/100 ethernet speed. (Modem light changes color for indicating speeds.}
I have gone thru all of the combinations of powering down/ up, but all stays the same.
I can live with what I have but something still doesn’t seem right.
Thanks again

Hi guys. I've had my MacBook Pro for 2 years now. Last night it suddenly kept glitching to a dark grey screen every now and then, then it would flash yellow / blue spots, and now it won't go past the grey screen even when I reboot it. I don't think I can

Hi guys.
I've had my MacBook Pro for 2 years now. Last night it suddenly kept glitching to a dark grey screen every now and then, then it would flash yellow / blue spots, and now it won't go past the grey screen even when I reboot it.
I don't think I can access my disk anymore as I've moved across countries since I've first gotten my laptop. it was working perfectly fine before it kept going to the dark grey screen with a little blue on the bottom.
If it helps, my camera light is still on, and it seems that my computer is working properly itself, but won't go past this grey screen.
I'm a college student and am really panicking about this - can anyone please tell me what to do?
Thank you & sorry for the long post.

What operating system are you running on it? (iOS 5.1 is for iPhone, iPad...not a Mac).

Since upgrading to 10.6.8, I can't sync to my calculator and my ipod nano flashes yellow. Could 10.6.8 have closed some ports needed?

I have a TI-92+ calculator, and the TI Connect software to sync it.
Since the 10.6.8 update, I can't access the calculator to add software.
The cable reads as present in System Profiler.
Also, my iPod Nano is flashing yellow but not mounting in iTunes.
I am wondering if 10.6.8 is blocking a port the TI Connect software needs.
The iTunes issue might be resolved by ripping iTunes out, deleting it, and reinstalling it.
But I tried that with TI Connect and it didn't help.
I just got a bunch of software to put on the calculator and can't access it !

It depends on what iMac you have. If it is an old PPC (G4 orG5) iMac then no further upgrades are possible. If it an Intel iMac:
Start by checking if you can run Snow Leopard:
Requirements for OS X 10.6 'Snow Leopard'
http://support.apple.com/kb/SP575
(NB: PowerPC applications can still be run in Snow Leopard using Rosetta, but they will not work in later versions of OS X.)
The OS 10.6 Snow Leopard install DVD is available for $19.99 from the Apple Store:
http://store.apple.com/us/product/MC573/mac-os-x-106-snow-leopard
and in the UK:
http://store.apple.com/uk/product/MC573/mac-os-x-106-snow-leopard
When you have installed it, run Software Update to download and install the latest updates for Snow Leopard to bring it up to 10.6.8, or download the combo update from here:
http://support.apple.com/kb/DL1399
Check via Software Update whether any further updates are required, particularly to iTunes.
You should now see the App Store icon in iTunes, and you now need to set up your account:
http://support.apple.com/kb/HT4479
You can now upgrade to Mavericks OS 10.9 for free IF you have one of the following Macs, with not less than 2GB of RAM, and at least 8GB of available space on your hard drive:
iMac (Mid-2007 or later)
MacBook (13-inch Aluminum, Late 2008), (13-inch, Early 2009 or later)
MacBook Pro (13-inch, Mid-2009 or later), (15-inch, Mid/Late 2007 or later), (17-inch, Late 2007 or later)
MacBook Air (Late 2008 or later)
Mac Mini (Early 2009 or later)
Mac Pro (Early 2008 or later)
Xserve (Early 2009)
iCloud system requirements:
http://support.apple.com/kb/ht4759
If you cannot run Mavericks you can purchase the code to use to download Lion from the App Store (Lion requires an Intel-based Mac with a Core 2 Duo, i3, i5, i7 or Xeon processor and 2GB of RAM, running the latest version of Snow Leopard):
http://store.apple.com/us/product/D6106Z/A/os-x-lion
or Mountain Lion:
http://store.apple.com/us/product/D6377Z/A/os-x-mountain-lion

Airport Express and Flashing Yellow - Please Help!

I just purchased an Airport Express and cannot get anything the status indicator to flash anything other than a yellow. I am working on a Win 7 64 bit platform and my router is Netgear N600 (model WNDR3700). The only changes I made to the router is via its utility to enter the Airport ID MAC address into the Netgears "Wireless Acces List". I deperately need input on what I might be doing wrong or need to do to my router's setup. Below are what I have tried and status info:
What I have tried:
1) Entered the AIrport's MAC address into my Netgear Router's "Wireless Access List", as well as the Ether ID (out of desperation).
2) Installed on my PC the latest version of the Airport Utility (5.5.3).
3) Plugged the Airport directly in port 4 of my Netgeat Router.
4) Changed ethernet cables.
5) Reset the Airport.
6) Rebooted the Netgear and my PC.
7) Plugged the ethernet cable from the modem directly into the Airport.
Info:
1) When the Airport is first turned on (ethernet is already plugged in), the status light turns solid greem, then goes to solid yellow for a bit, and then immediately goes to flashing yellow (approx 2 seconds between flashes) and stays that way.
2) then If I run my Advanced IP Scanner if shows the Airport, an IP of 192.168.1.20, the Airport's ethernet MAC address. The status shows "Ok".
3) If I unplug the Airport and click rescan on the IP Scanner the device remains present but the status is changed to "Dead".
Despite what I tried I get only get the yellow flashing light? Do I have a bad Airport Express or is this a failure on my part to properly set up the Netgear? Thanks in advance for any help offered.

The AirPort Express flashing yellow means it it not receiving a valid IP address. This is issued by your router.
I recommend disabling your Netgear's "Wireless Access List" until you get it resolved.
One thing that you did not mention is using AirPort Utility. You need to configure the Express using AirPort Utility for Windows. If you don't have that click here: http://support.apple.com/kb/DL1391
Read about designing AirPort Networks here: http://manuals.info.apple.com/en/designing_airport_networks_10.5-windows.pdf
A new Express creates an unprotected wireless network named "Apple Network xxxxx". You need to disconnect from your existing network and connect to that network in order for AirPort Utility to communicate with the Express. Most likely you will have to temporarily disable any and all anti-virus / firewall / security software running on your Windows to do this. If you don't see that network you will not get anywhere.
When you are finished configuring the Express in AirPort Utility, including addressing any unresolved conflicts it may report, click the button to restart it. AirPort Utility will say "the Express is now restarting" but the temporary network that it created for you to configure it will cease to exist, so just close the window. Reconnect to your usual wireless network which will now welcome the Express as a member.
After it restarts the Express should show a happy green light.
When you are finished re-enable all your Windows firewalls and AV software.

Airport express with my MacBook Pro flashes yellow but . . .

is working. It normally always went to green when the signal locked but for some reason now it continues to flash yellow but is working.
I looked for another area to post this but couldn't find where it is covered.

It should actually be in you Applications/Utilities folder. Part of the system install. If it is working okay, it is not a great problem the light flashing. But some things will not work right at some point. If you are moving soon, why not wait till you get there and set it up again. I am pretty sure it is a software thing. Have had it myself.

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Hey Natopo,
How many beeps?
Depending on which iMac you have?
This is from:
rccharles about a 266 tray,
Posted: Nov 28, 2007 8:30 PM in response to: scottmd06
"Following is a definition of what the error beeps at startup time signify.
One Beep: No RAM is installed or detected.
Two Beeps: EDO memory is installed. (The iMac ships with SDRAM SO-DIMMs and does not accept EDO memory).
Three Beeps: No RAM banks passed memory testing.
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What's wrong?

Unfortunately, you never know what's gonna happen if you drop a phone. You could try holding the power and volume down buttons simultaneously for about 30 seconds and see if that will reboot the phone. If the phone seems to be working ok after that, a screen replacement might work. Otherwise, you may have to replace the phone.

I Hate Flashing Yellow Lights )-:

I have just switched from Comcast to Centurylink. My reasons for switching were primarily two: 1) I saved 50$ a month 2) I despise Comcast's business model
Also, with my Airport Extreme, I can establish a Guest Network that my literally poor next door neighbors can use without us running into each other. I was originally not using my Airport Extreme because it had interface problems with my actiontek Q1000 modem from Centurylink. When used in a hardwire sense, theQ1000 works wonderfully, consistently 38-40 Mbps on my iMac, but wirelessly, it was pitiful, 3 Mbps on my iPhone, and 8-10 on my iPad. The Genius' at my Apple Store said that it worked poorly as a wireless modem, and because it was G in format, it didn't interface well with my iPhone. In turn, they said the slowness on my iPhone slowed down my iPad. If you are a tech nut like me, you know how irksome it can be to see that constantly flashing yellow light and not know enough to remedy it, and turn it back to green. I'm one of those guys that can't sleep at night until those update numbers disappear from my iPhone and iPad desktop. If you can give me any ideas to fix the problem, you may help prevent me from bludgeoning myself to death with my old Microsoft keyboard. Yikes!!!

To configure the AirPort Extreme in Bridge Mode using the 10.7.4 operating system.....
Open Macintosh HD > Applications > Utiltiies > AirPort Utility
Click on the AirPort Extreme icon, then click Edit
Click the Network tab at the top of the next window
Make sure that the setting for Router Mode = Off (Bridge Mode)
Click Update at the the lower right and allow 25-30 seconds for the AirPort Extreme to display a green light
Then, power down the entire network....order of devices is not important
Wait a minute
Start the modem/router first and let it run a minute by itself
Start the AirPort Extreme the same way
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Hi
Probably a hardware issue, may have to contact local technical assistance or HP
Is the system able to boot up with AC supply only with battery removed?
Try keeping it charged for 3 hours or so with battery & AC adapter plugged in the lap, and try powering it on again after that.
Regards
++Please click KUDOS / White thumb to say thanks
++Please click ACCEPT AS SOLUTION to help others, find this solution faster
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I have a Toshiba laptop that I got from a mate, when I push the power button it flashes a green light as if it is going to go on but then on the DC power light starts to flash yellow. I have looked this up but wanted to make sure it was right...
I got told that there were 3 batteries on the laptop the main one the bios one and another one. I have looked at other logs on here and tried gettin it to work just off the mains but the same thing happens.
How would I go about gettin it fixed or what could be the problem?

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It dose not sounds very optimistically The DC IN indicator glows usually green when the DC power is supplied from the AC power adaptor.
But if the adaptors output voltage is abnormal or if the power supply malfunctions, this indicator flashes orange.
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"I tired the reset button"
Have you done a factory reset?
http://docs.info.apple.com/article.html?artnum=108044

Time Capsule will not reset - just flashes yellow

I have a 2 TB Time Capsule that will not reset - it just flashes yellow.
I have tried all the various reset options, left the unit uplugged overnight and all I get is a blinking yellow light.
Via airport the only option that I see is to set up a wireless network, there is no configuration window for the time capsule. I am not using this a wireless device, I have a comcast modem for that. It is being used for backup only.
When I select time machine under system settings, I can see the drive. I can select it but it will not accept the password. I have verified that I am using the correct password from the keychains utility.
I don't know if this is related, but I named the capsule TMBackUp and it shows that name in disk selection list, but when I select to use it for backups and it asks for the password (which does not work) it says, Enter your password for the server "Time Capsule d629db" so that Time Machine can access it. I don't know if the name differenc is even relevant, but thought I should mention it.
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Thank you.

I have a 2 TB Time Capsule that will not reset - it just flashes yellow.
The Time Capsule will flash amber when it has been reset. This is normal. A reset takes the Time Capsule back to its original factory default settings.
This is what you have done.
You will need to set up the Time Capsule again just like you did when you originally installed it on your network.
You can use the same name for the Time Capsule and passwords that you used previously, if you wish.
You do not need to "wipe" the Time Capsule hard drive. Your backups will continue from their previous point once you have the Time Capsule reconfigured to operate on your network.

My Time Capsule will not work through Time Machine but need to back up because my hard drive is corrupt. I hard-wired it to my MacBook Pro and have been dragging files to capsule in finder window. Will I have problems since it's flashing yellow constantly

My Time Capsule is constantly flashing yellow and it will not preform periodic back-ups. When I tell it to from the icon on the top task bar, it freezes MacBook...every time. I am now dragging files from internal HD to TC found in Finder after hardwiring it to laptop treating it as an external HD. Can in trust it to store files and photos as my MacBook is telling me to back-up because my internal HD is corrupt and may need replacing?
Thanks in advance.

A PC can have more issues connecting than a Mac.
But it really should not matter.. so just try it in situ.. press and hold the reset.. once it starts up, it will return to default IP, 10.0.1.1 the PC should then be able to find it via the airport utility.
If not drag it over to the Mac and plug in there by ethernet.. or since it is a laptop, really should not be that difficult to drag the Laptop and plug it into the TC.
Important thing is to get access to the TC.
The Mac if it is running lion, then you MUST download and install 5.6 airport utility to do anything useful.
http://support.apple.com/kb/DL1482

System identifier button is flashing yellow

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