Flashing Question Mark on Start-up.

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iMac Intel 24インチ EMC 2134/2211

Model番号 A1225 / Mid 2007とEarly 2008 / 2.4, 2.8もしくは3.06 GHz Core 2 Duoプロセッサ

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Cled Tayamen @cledtayamen

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投稿日: 2010年10月28日

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Flashing Question Mark on Start-up.

iMAC Intel 24" A1225 dispaly a flashing question mark on start up. I have read related problem with these here at ifixit. I tried reinstalling the MAC OS X using the system installation CD (10.6 and 10.6.3) but it would not continue booting on installation CD. I did this several times, replace the HDD with new HDD but still it dispaly the flashing question mark..i also replace the optical drive with working optic drive but still it display the flashing question mark..

can anyone encounter this problem before.. pls help.

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Did you change something to cause this to happen or did it start acting up for no apparent reason?

Scott Head さんによる2010年10月28日

Are you holding down the "C" key when trying to boot from the optical drive?

mayer さんによる2010年10月28日

@Nat, i have not change anything befor the problem occured. I tried to replaced the HDD and boot from optical drive, upon insertion of the installation CD it spins, after several seconds it displays the FLASHING FOLDER AND QUESTION MARK...

Cled Tayamen さんによる2010年11月19日

@mayer, yes i do pressing "C" upon booting system installation CD but still FLASHING FOLDER AND QUESTION MARK displayed...

Cled Tayamen さんによる2010年11月19日

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Skirge @skirge

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投稿日: 2010年11月19日

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Try the following:

1. Boot up holding down the option key. Can you see your internal drive as an option? How about the startup disk that came with your machine? If you have an external bootable drive connect that, can you see it? If you don't see any bootable systems while booting with the option key being held dow, then you've got a serious hardware problem.

2. Zap the PRAM by holding down the Option-Command-"P" and "R" keys- Probably won't help but you never know.

3. Can you boot up in target disk mode. Hold down the "T" key while booting up. You'll end up with a FireWire icon on the screen. If not serious hardware issue again.

4. Schedule a genius appointment at an Apple Store and get a quick evaluation by an expert.

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I got the firewire icon so what is it now

Mike Beezy さんによる2016年3月12日

@ Mike - This is a very old post, how about creating a new one. Please make sure you give us all of the details!

Dan さんによる2016年3月12日

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Did you change something to cause this to happen or did it start acting up for no apparent reason? — Scott Head
Are you holding down the "C" key when trying to boot from the optical drive? — mayer
@Nat, i have not change anything befor the problem occured. I tried to replaced the HDD and boot from optical drive, upon insertion of the installation CD it spins, after several seconds it displays the FLASHING FOLDER AND QUESTION MARK... — Cled Tayamen
@mayer, yes i do pressing "C" upon booting system installation CD but still FLASHING FOLDER AND QUESTION MARK displayed... — Cled Tayamen
@ Mike - This is a very old post, how about creating a new one. Please make sure you give us all of the details! — Dan

Cled Tayamen @cledtayamen 評価: 179 5 15 · Answer 1 · 2010-12-02T04:04:57-07:00

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Cled Tayamen @cledtayamen

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投稿日: 2010年12月2日

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,FOUND AND SOLVE THE PROBLEM... one of the memory chips is defective which cause the MAC not to continue boot-up... basically flashing question mark on startup usually cause by crashed HDD and OS but this time i found out that one of the memory chips is malfunctioning......

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You should mark your answer as solved so that others will know what happened.

rj713 さんによる2010年12月2日

hello! i am having this same issue. so who can I take mine too to get this fixed?

bellupperdarby さんによる2020年4月29日

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Thanadej Subsit @thanadejsubsit 評価: 13 1 · Answer 2 · 2012-08-08T03:21:27-07:00

Thanadej Subsit @thanadejsubsit

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投稿日: 2012年8月8日

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I use winxp for a while on iMac 24" then decided to upgrade to mountain lion so I restarted the iMac by pressing option key. Then flashing folder with question mark appeared. I tried everything option, c, shift, etc. nothings work so I gave up and left it for a night, came back in the morning it loaded up osx fine so I upgrade to mountain lion, fix hd permissions then restart the machine then flashing folder appeared again. I going to take my iMac 24" to the shop to get the hd replace but couldn't help myself thinking, if I didn't decide to upgrade the machine then it still runs fine.

Anyone knows what I did wrong?

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Keep us posted @Rich. We wanna know how it goes.

Thanadej Subsit さんによる2012年8月8日

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originalmachead @originalmachead 評価: 116.3千 66 68 359 · Answer 3 · 2010-11-19T17:21:08-07:00

originalmachead @originalmachead

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disk (System folder). If you put in a new HDD you need to format it and install a system on it.

If that was done before the install then you've pooched the logic board, ribbon cable, or connector to the HDD. Only you know if you have fully connected the HD, only you can tell if damage to the connector, ribbon cable or logic board is more likely.

Remember to return and mark accepted the answer that best solves your problem.

Good luck,

N

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You may have damaged the Optical Drive, or the the cable/connector for it. You can also disconnect it and do an Option boot to see if the HD shows up.

originalmachead さんによる2010年11月21日

i have tried OPTION BOOT before, held down option key upon powering ON...but still FLASHING FOLDER AND QUESTION MARK displayed...

Cled Tayamen さんによる2010年11月23日

,maybe skirge is CORRECT, i got a serious problem on the logic board, i have a similar problem before with iMAC G5(cant boot and install MAC OS which cause by defective capacitor) but this time i inspected for defective capacitor in the logic board but i cant see a capacitor that is pop-up.

Cled Tayamen さんによる2010年11月23日

Basically it means that there is no boot drive. My macbook air randomly did the same thing and just randomly stopped working. I just re-installed the os and it worked.

Brendan Boyle さんによる2010年11月23日

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Bob @bob21597 評価: 1 · Answer 4 · 2012-02-11T13:29:11-07:00

I have sort of the same problem.

It started when the Imac went to sleep (with "put hard disk to sleep when possible" checked as a "energy saver" preference option") and I tried to wake it up... I would get the beach ball, and had to shut down using the power button.

For a while it would start right up again.

Now I get the flashing question mark when I try to start up.

So I was pulling the power plug, and waiting over 15 minutes before starting up with a pram zap, and then it would start.

But that also stopped working yesterday.

Now if I pull the plug and wait a few hours (sometimes overnight) and start up with a pram zap, it will usually start up.

I have turned off the "put hard drive to sleep when possible" option in Energy Saver preferences and it has been running for a few hours now.

I haven't shut down yet to see if it will restart, because I don't want to be without my computer till the new one gets here, and then I will decide if I should spend the money on a hard drive to see if that gets this IMac going - still a good machine, but now worth hundreds in repairs.

I had also reinitialized the drive and reinstalled the system software. That made no difference. Wiped it with the 7 times erase option - took 11 hours.

So, I am thinking it's a drive, but will probably try the memory trick also.

Glad to share

iMac Intel 24インチ EMC 2134/2211

Flashing Question Mark on Start-up.

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Can't find a boot

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