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**martiboy** · 29 December, 2011, 13:59

Ah i had this prob a while back. It happend when i was trying the backup the harddrive to my pc. Something to do with my motherboard not being compatible. And to be honest it was a bitch to work out but here you go anyway.
So here's the answer:

The problem is not Xplorer360, lets get that straight right off the bat. The culprit is your motherboard. You see, when you connect your HDD to your PC, your motherboard created a HPA. A HPA is a protected area of your HDD that the motherboard or hardware vendor can use to store vital data. Some motherboards will do this, some won't, hence why some people experience the problem and some don't. This change is enough for your xbox to have a hissy-fit and not want to play nice with the hard drive anymore.

You may have tried to connect that broken HDD to another PC, and use Xplorer360 to do a full image restore on the disk and still fail. The reason is, even though your 2nd pc may not create the HPA automatically, the HPA that was initially on the 1st PC is still active. The HPA affects the LBA size, so the XBOX sees a smaller disk than it originally did, hence why it doesn't recognize it. So, to give you an example, my Gigabyte motherboard (ICH9R chipset), changed my LBA: from: 39,070,080 to: 39,067,967 (these values will be different for 60GB and 120GB drives)

So to change it back i tried using multiple programs to access the HPA and remove it. The problem was that once i restarted the computer the HPA came back and my LBA size was once again changed. And this is the part i couldn't work out, how to keep the LBA the same, even after restart. Then I though of a brilliant idea (brilliant meaning it could potentially damage your motherboard - but it just might work ) i tried removing the HDD right after the program unlocked the HPA and changed the LBA size. And voila !!!! It works !!

So 1 more bit of theory before we get into the tutorial, Why doesn't this affect WD hacked 120GB disks or larger ? The reason is simple. If you bought a 160GB disk like me and flashed it with 120GB HDD ss.bin, you have these HPA security sectors on your hard disk, your xbox just doesn't know about them. The HPA sectors are created at the end of your hard disk. and since the XBox can only see the first 120GB, it doesn't care what's on the 121st GB, 122GB etc etc ...

Here are two step by step tutorials. One for those who used their 20GB hdd's in their laptops or PC's thinking they'll never be able to use them in their XBOX 360's again, the second is for people who still have all their data on their 20GB hdd just want to get the 360 to identify it and finally the last if for those people that created a full drive backup image (which you though stuffed up your drive).

You will need the following tools:
- WinHex (registered version)
- MHDD

These tools can be downloaded here:
WinHex: Hex Editor & Disk Editor, Computer Forensics & Data Recovery Software
HDDGURU > Software > Mhdd > Mhdd32ver4.6iso.zip
or
HDDGURU > Software > Mhdd > Mhdd32ver4.6archive.zip

Once you download WinHex, install it, register and get a "Specialist" license. Burn the MHDD iso with Nero, ImgBurn, whatever your favorite burning software is. (Alternatively you can get MHDD as an exe and put it on your bootable USB stick)

Tutorial 1: Restoring the 20GB HDD to be usable on the 360 from scratch (use this tutorial if you used the HDD for something else and you have deleted all the original xbox 360 data off it)
1. Connect your original 20GB drive to the PC.
2. Start you PC up and open WinHex
3. Select: Tools -> Open Disk (or press F9)
4. Select your HDD from the List under "Physical Media"
5. Select: Options -> Edit Mode (or press F6)
6. Select: In-place Mode (=editable) and press OK
7. At the ATTENTION popup message press OK.
8. Select: Edit -> Fill Disk Sectors (or press CTRL + L)
9. Select radio button: Fill with hex values: 00 and press OK.
10. You now get a popup saying: Please note that the inteigry of the partition(s)/file system(s) on "your xbox 360 hdd model here" may be severyly damaged by this operation. Click OK.
11. Sit back this will take about 10 minutes to complete.
12. Once the erasing completes, you will now need either your original HDDSS.BIN which you should have made with HDDHackr or download a generic 20GB HDDSS.BIN file appropriate to your HDD. I dont think a HDDSS.BIN from a Toshiba / Seagate will work on Fujitsu and vice versa. (I could be wrong)
13. Click: File -> Restore Image
14. In the file name box type: *.* and press Enter
15. Now browse to the directory where your HDDSS.BIN file is and select it and press Open
16. You will get a popup image saying: Is this an image with a partition structure. Click: Yes
17. You will get a popup image saying: Cauttion: You are in in-place edit mode. Click: OK
18. In the "Physical Media" section select your XBOX 360 HDD and click OK
19. Set the following options:
- Write pattern for damaged source sectors (unselected)
- Simulatenous I/O (selected)
- Avoid damaged areas. Skip Range (unselected)
- Start Sector: 16
- Copy Entire Medium (selected)
Click OK
20. You now get a popup saying: Please note that the inteigry of the partition(s)/file system(s) on "your xbox 360 hdd model here" may be severyly damaged by this operation. Click OK. If you get a popup saying you're in editmode, just click OK on that too.
21. You get a popup (summary) in the form of a notepad text file, Close it.
22. Exit winhex
23. Restart the PC booting off the MHDD bootable CD or USB stick. (you may need to make changes in the BIOS to boot off CD or USB stick)
24. If MHDD doesn't start automatically for you, or you're using a USB Boot disk type: MHDD and press enter
25. MHDD will identify hard drives connected to your PC. for example, for me it identified:
3. FUJITSU MHV2020BH 0093002C NWxxxxxxxxxx 39,067,967
26. Enter the number corresponding to your xbox 360 HDD and press Enter. (in my case number 3)
27. You will now get to a blue prompt:
MHDD>
Type: NHPA (and press Enter)
28. Do you want to set Native LBA address (y/N)? - type: Y
29. Native Maximum LBA address: 39070079 Continue (y/N)? - type Y (these values will be different on 60GB and 120GB drives)
30. You will get the following message:
Fail. Try to re-power HDD.
Done.
31. Unplug the power cable from your xbox 360 hdd
32. wait 10 seconds
33. Plug the power cable back in.
34. Type NHPA (and press Enter)
35. Do you want to set Native LBA address (y/N)? - type: Y
36. You will get the following message:
Working ...
Done.

37. Now unplug your power and data cables from your xbox 360 HDD (in that order: first power cable, then data cable) and connect the HDD to your xbox 360.
38. Go to the system Settings tab -> Memory
39. In storage devices you should now see an "Unformatted" hard disk. Select it and press A
40. Select format option and press A
41. This will delete all content on this device. Do you want to continue ? Select Yes and press A / OK
42. Enter your console serial number (can be found in the System Info tab in System Settings)
43. Your drive is now formatted and you should see a Hard Drive with 13.9 GB free space

Tutorial 2: Removing the HPA without altering data (use this tutorial if your data is still intact however your 360 doesn't see the disk)
1. Connect your original 20GB drive to the PC.
2. Start your PC up and in your BIOS make sure you select boot from CD first.
3. Restart the PC booting off the MHDD bootable CD.
4. If MHDD doesn't start automatically for you, or you're using a USB Boot disk type: MHDD and press enter
5. MHDD will identify hard drives connected to your PC. for example, for me it identified:
3. FUJITSU MHV2020BH 0093002C NWxxxxxxxxxx 39,067,967
6. Enter the number corresponding to your xbox 360 HDD and press Enter. (in my case number 3)
7. You will now get to a blue prompt:
MHDD>
Type: NHPA (and press Enter)
8. Do you want to set Native LBA address (y/N)? - type: Y
9. Native Maximum LBA address: 39070079 Continue (y/N)? - type Y (these values will be different on 60GB and 120GB drives)
10. You will get the following message:
Fail. Try to re-power HDD.
Done.
11. Unplug the power cable from your xbox 360 hdd
12. wait 10 seconds
13. Plug the power cable back in.
14. Type NHPA (and press Enter)
15. Do you want to set Native LBA address (y/N)? - type: Y
16. You will get the following message:
Working ...
Done.
17. Now unplug your power and data cables from your xbox 360 HDD (in that order: first power cable, then data cable) and connect the HDD to your xbox 360.

**plasterer** · 29 December, 2011, 14:29

Jeez mate thats a lot of info to take in
I was just expecting to wipe it with a damp cloth or something .
Leave it with me and ile get back to you
Thanx for your time and effort.................Paul

**martiboy** · 29 December, 2011, 15:34

Originally posted by plasterer

Jeez mate thats a lot of info to take in
I was just expecting to wipe it with a damp cloth or something .
Leave it with me and ile get back to you
Thanx for your time and effort.................Paul

LOL i know what you mean. It took me ages to find all the info for it and there may be an better way to do it. If i was you i would just take the hard drive back to game and get a replacement.

**plasterer** · 29 December, 2011, 16:34

My thoughts exactly mate .cheers .............Paul

**cunny** · 29 December, 2011, 17:50

I had 1 brought to me that was tempermental. After messin was just a loose connection inside the casing

**plasterer** · 29 December, 2011, 19:08

wot inside the HD casing mate
Wot you do open it up and jockey the wires around Cheers.....Paul

**cunny** · 29 December, 2011, 19:20

I opened the casing (t8 i think) then the wire that connects the sata + power to the HDD was loose. I just refitted it.

This will viod the wattenty on it tho mate

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