Hard disk not being detected / Finding compatible replacement

Hi,
I have a late 2007 macbook (white). I was using it when it froze while listening to itunes. I've pressed the power button to turn it off and turn it back on.
Unfortunately it did not boot. I've inserted the leopard upgrade disc and booted with the C pressed.
It entered the installation and I selected the disk utility. Unfortunately it only shows the DVD drive and not the HD. I have a time machine disk and inserted and it recognized the external disk but not the internal one.
I am assuming the worse scenario that the primary HD is gone. Since I am nowhere near an apple store/repair center I'd like to know what kind of extra steps can I do in order to confirm my assumption and if that's the case which HDs are compatible?
I found some steps to replace the disk (http://www.ifixit.com/Guide/Repair/MacBook-Core-2-Duo-Hard-Drive-Replacement/514 /1).
Regards.

Start by:
How to run hardware diagnostics for an Intel Mac
Boot from your original OS X Installer Disc One that came with your computer. After the chime press and hold down the "D" key until the diagnostic screen appears. Run the extended tests for a minimum of two or three hours. If any error messages appear note them down as you will need to report them to the service tech when you take the computer in for repair.
Some "common" error indicators:
SNS - sensor error
MEM - memory error
HDD - hard disk drive error
MOT - fan error
Shut the computer off for 5 minutes to an hour. Restart with the Installer Disc and see if DU now recognizes the hard drive. If so check the SMART status. If it says "Failed" then the drive should be replaced. Otherwise if the drive is still not usable then you should do the following:
Extended Hard Drive Preparation
1. Boot from your OS X Installer Disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger or Leopard.)
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Set the number of partitions from the drop down menu (use 1 partition unless you wish to make more.) Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the partition scheme to GUID (only required for Intel Macs) then click on the OK button. Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.

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Hard Drive not being detected

So my work was giving away old Power Mac G5. They were old and were restored to factory defaults. I wanted to mainly use it for storage. I went out to the store and bought a 1TB hard drive. When I installed it, I got a message saying that the OS couldn't read the hard drive. I figured it was because it wasn't in the correct file format. I went to my disk utility to try format in the Mac OS Extended format. After the two hour format process, I restarted the computer from some other software I was installing. Upon restart, the new terabyte drive wasn't detected. Here is a copy of the Disk Utility log from when I first turned on the system with the hard drive being recognized till when I restarted the system.
2015-01-02 19:45:42 -0800: Disk Utility started.
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berayen wrote:
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Hey guys, I've got a HP Pavilion DV5 1000ea, which is just over 2 years old. For the last week I've frequently had a lot of trouble booting up, it seems like the hard drive isn't being recognised. I get a message saying that there's no boot device detected, and when I try to do a hard drive self test I get a "Hard Disk Not Exist" error message. At one of these two error message points I also get an error code of (3F0).
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johoro

Think horses not zebras. Not every hard drive error results in clicking. You likely have an issue with the electronic circuitry of the drive, not the mechanical parts, i.e. seek head or platters. A replacement green board would likely fix it but it is much easier to find a new hard drive. Am I 100% sure? No but I am 92% sure.

Hard Disk Not Exist help please

Hi, not sure if this should be in Recovery or Hardware or Operating Systems as it involves all three!
I have an HP G61-110SA running Win 7 64 bit; product no. VR523EA. Also have serial no if needed. One problem is, as the laptop is 6 years old, it's hard to remember what came with it.
Whilst using on Thursday it suddenly froze and ctrl/alt/del didn't respond so i held down the power key to turn off. When I rebooted, I got "PXE-E61 Media Test failure; check cable. PXE-M0F: Exiting PXE ROM. No bootable device -- insert boot disc and press any key".
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This question was solved.
View Solution.

You do not need the license key when using HP Recovery Discs.If you didn't create a Recovery Disk set using the software installed on the laptop refer to the article here>> Looking for Recovery Discs?
If you have difficulty, contact HP in your country / region through the HP Worldwide Support Portal to check on the availability of Recovery Discs for your computer.> Worldwide Support Portal
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LaCie d2 500GB Quadra Hard Drive Not Being Seen By Time Machine

Hello all,
I have a LaCie d2 500GB Quadra Hard Drive Not being seen by Time Machine hooked up to my iMac via firewire 800. My iMac is running latest updates etc. Have raised a support ticket and was given the following instructions by LaCie:
Posted: 08 November 2007 @ 00:00
Thank you for contacting LaCie Technical Support. Make sure the drive is mounting and you can assess files on it on your 10.5 system. If you can then you will need to reformat the drive to make it compatible with time machine.
Warning! All data on the external drive will be destroyed in this process.
Step 1: Run Applications > Utilities > Disk Utility
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Thanks in advance!!!!

Ryan,
Check drive volume name and also the Computer name. Apple released a tech note recommending that both be limited to only the characters A-Za-z0-9 (no dashes, hyphens, or other special characters.
If you can, send the Apple System Profiler report to me at the addres in my profile. Imay be able to see something there. I have helped another user with similar problems, but with a LaCie USB drive. He got things working by repeating the recommended steps, and double checking everything.
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Mac os partition not being detected

I was using samsung hdd in my mac that was bootcamp partitioned. later I replaced the hard drive with the other HDD. Now i am using samsung hdd as external drive and wanna format it but the mac OS partition is not being detected how do I format the whole drive??? I can only see the windows partiton which is 150gb rest 350gb was Mac OS partition which i wanna format but not able to do....please help

Ok, you took out drive #1 which had Lion, Lion Recovery Partition and Bootcamped Windows.
You installed drive #2 internally and installed the Lion Recovery Partition and Lion (via what method?)
You booted from drive #2 and hooked up your drive #1 using either a SATA to USB adapter or powered enclosure and only can see the bootcamped partition? not the previous Lion Recovery or Lion OS X partition.
Some enclosures don't work with OS X
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If your just selecting the name of your OS X boot partition, like Macintosh HD, then your only formatting that partition not the entire drive.
Click the Partition tab, select 1 partition, Option GUID, format OS X Extended Journaled and click apply, the entire drive will then be formatted for Mac use only.
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My thread here explains how it all works.
https://discussions.apple.com/message/16276201#16276201

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My built-in webcam is not being detected by CyberLink Youcam

My built-in webcam is not being detected by CyberLink Youcam (webcam) Pavilion dv6-6c10us

Hello,
I see that you're having an issue with the webcam in the notebook. If you could, please check and see if the webcam is listed in the device manager. If you don't know how to check for that, you can follow step 1.
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Steps:
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If the first steps doesn't seem to resolve the issue go ahead and follow the next step below.
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Hard disk not being detected / Finding compatible replacement

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