We help IT Professionals succeed at work.

We've partnered with Certified Experts, Carl Webster and Richard Faulkner, to bring you two Citrix podcasts. Learn about 2020 trends and get answers to your biggest Citrix questions!Listen Now


maxtor - registering as N40P

Line One
Line One asked
Medium Priority
Last Modified: 2012-05-06
I have a Maxtor 40 gig drive that suddenly started registering in BIOS as N40P instead of the normal Maxtor designation.  Any way I can fix this as the drive is now inaccessible.
Watch Question

Looks like the drives electronics have failed, to fix it would have to find an IDENTICAL 40gig maxtor drive and swap PCB's.

Not the solution you were looking for? Getting a personalized solution is easy.

Ask the Experts


I Googled prior to posting here and the results were overwhelming that it was not a hardware problem/PCB problem but a firmware problem. However, how to resolve it was not clear. I was hoping someone here had this experience and knew how to resolve it.
Top Expert 2012
From what I could see, you need to flash the corrupted firmware with good code - replacing the pcb board doesn't help, as the firmware data is written to the service area of the drive.  The software to flash the firmware comes from salvationdata.com and isn't cheap - $400.  I don't know if the demo version will help: http://www.brothersoft.com/maxtor-firmware-repair-(cd-rom-version)-61448.html.  Otherwise, the fix requires knowledge that data recovery services have, but are probably not going to share: http://forum.rpc1.org/viewtopic.php?p=165399.
Most Valuable Expert 2011
Top Expert 2011
Callandor is always spot on with his advice, but I want to suggest a simpler route, just to play devils advocate.....

Check your Motherboard mfgr/OEM for a BIOS update....

Actually... Do you have another HDD you could plug in to see if it works?

wyliecoyoteukIT director

You could try this:


Says that the demo version will repair one model, not sure if that means one disk, if so, that's all you need.
The full version is $400
Top Expert 2012

Exactly the same software that I linked to - mine was the CDROM version ;-)


Thanks for all the tips.

Other drives including identical Maxtors work ok with this computer.

I will try the Maxtor utility/others and report back.


Sorry to have let this go for this long. Hopefully I will get to this over the weekend.


The demo software only works with one type of Maxtor drive and it's not the kind I have and I don't want to fork out $400.00 for this situation - a data recovery place could do it for that with a guarantee of sorts.  If the software doesn't work I doubt I'll get my money back.
Access more of Experts Exchange with a free account
Thanks for using Experts Exchange.

Create a free account to continue.

Limited access with a free account allows you to:

  • View three pieces of content (articles, solutions, posts, and videos)
  • Ask the experts questions (counted toward content limit)
  • Customize your dashboard and profile

*This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.


Please enter a first name

Please enter a last name

8+ characters (letters, numbers, and a symbol)

By clicking, you agree to the Terms of Use and Privacy Policy.