My Harddrive is no longer recognized!

I restarted my macbook and I get a folder with a flasher question mark. I tried using my installation disk to run some tests and I can't figure out how. Even when I try to reinstall OS X, it doesn't recognize the fact that there's a harddrive at all.
Message was edited by: a.bom

Sounds like your harddrive has failed. If you are in warranty contact Apple, or an Apple Service Center, or replace it yourself.

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Also, when I check out the hardware list, under Disc Burning - the following is reported: No disc burning device was found. If the device is external, make sure it’s connected and turned on.
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I suggest you backup you important data!
I suspect the harddrive is going bad.
Run disk utility. verify disk & verify permissions.
Run hardware diagnostics.
I not sure of a good way of telling if the harddrive is going bad. There is software to test harddrive. Don't know of free stuff for mac.
Considerng that the hd is 7 plus years old this isn't a surprise.
Suggest replacing hd.
If your not up to that, get an external hd.
You need an external Firewire drive to boot a PowerPC Mac computer [ a few G5's will boot from USB ].
I recommend you do a google search on any external harddrive you are looking at.
I bought a low cost external drive enclosure. When I started having trouble with it, I did a google search and found a lot of complaints about the drive enclosure. I ended up buying a new drive enclosure. On my second go around, I decided to buy a drive enclosure with a good history of working with Macs. The chip set seems to be the key ingredient. The Oxford line of chips seems to be good. I got the Oxford 911.
Has everything interface:
FireWire 800/400 + USB2, + eSATA 'Quad Interface'
save a little money interface:
FireWire 400 + USB 2.0
This web page lists both external harddrive types. You may need to scroll to the right to see both.
http://eshop.macsales.com/shop/firewire/1394/USB/EliteAL/eSATA_FW800_FW400_USB

My 4th Generation click wheel 40 GB iPod is no longer recognized by iTunes.

Hi There,
The title actually says it all..
(My 4th Generation click wheel 40 GB iPod is no longer recognized by iTunes 7.4.2, although the iPod works fine.. iTunes keeps saying to reset it, but I don't see why I should)
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Xpetepan wrote:
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Do not omit the additional information pararaph.

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See
iOS: Device not recognized in iTunes for Windows
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Removing and Reinstalling iTunes, QuickTime, and other software components for Windows XP
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iPod not recognised by windows iTunes
Troubleshooting issues with iTunes for Windows updates
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I have 3 older ext. hard drives that I've utilized many times. Today while searching for old files, one of the three is no longer recognized by my PowerMac. The drive is not listed in Disk Utility. Any suggestions?

Is the computer in you equipment line:
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If a Mac Pro, their forums are here:
Mac Pro
and, as Mac Pros have a totally different architecture from the pre-2005 Macs this forum covers, you may not have the same issues that can affect the older models. If someone didn't notice your equipment line, you could get advice that doesn't apply.
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My Harddrive is no longer recognized!

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