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I am having an issue with this lenovo thinkpad carbon x1, It's about 3 months old. With normal use, It all of the sudden goes into a black screen saying 2100: Detection error on HDD0 (Main HDD) Press Esc to continue. The first time that it kept doing this, I just replaced the SSD it had with a new one since for some reason I wasnt able to boot it up. After I replaced it with a new one, It worked for some time, then all of the sudden i get the exact same screen again. Does anybody know what this error could be? when i press Esc, It takes me to another screen where it shows the hard drives and the only one that appears is my external HDD. I did a memory test and it passed so i doubt it could be RAM related. please help

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  • I'm having this problem as well; on a T520. Similar to the OP -- SSD (Samsung 840 EVO), error message is unique to the machine (drive works fine in other machines, reports no errors, other SSDs now fail in this machine). Additionally, the drive is still usable, just not by the BIOS for some reason, as it works just fine when the machine is booted from both a Linux CD and a Windows Recovery CD. It's certainly an issue with the computer and not the drive.
    – Jason C
    Jul 4, 2014 at 0:53
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    Yes I figured out what happened. The motherboard was defective and there was something that caused a short which just shut off the motherboard. after so many shutdowns it just fried my SSD. I contacted Lenovo since it still had warranty and they replaced the motherboard, all runs good now.
    – Beatle
    Jul 7, 2014 at 19:03
  • Thanks for posting that! After reading that and a few other things (and my warranty is long expired) I think I'm about due for a new laptop; especially if there's a risk of damaging the drive, which is almost brand new (and the 1TB 840 EVO wasn't cheap either).
    – Jason C
    Jul 7, 2014 at 19:33
  • I'm voting to close this question as off-topic because the problem no longer exists.
    – fixer1234
    Oct 4, 2015 at 4:25
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    go ahead. I can't control your mouse and keyboard. just know that i won't vote. neither will the thousands who viewed this post..
    – Beatle
    Oct 29, 2015 at 0:45

3 Answers 3

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On the ThinkPad twist the ls-8672p the connector between the HDD and motherboard I have found to be a cause for concern after having 3 weeks of trouble with a customer who was receiving the HDD error on boot. I replaced the HDD with SSD and problem went away, only to return again a day later.

Upon removal of the integrated caching drive with no joy, I took a look at the connector between the HDD and mobo and realized it was corroded on most the contacts (dull appearance). I used contact cleaner on both connections.

GO INTO BIOS FIRST AND DISABLE BATTERY BEFORE DISASSEMBLING, and unplug the battery once inside. The connector looks like an L shape and has 1 screw securing it to the chassis.

Once I cleaned it problem was solved, turns out the motherboard isn't the issue, it's all to do with a bad connection. To test my theory you could put some pressure on the angled plastic below the right control key while booting and most times the unit will boot, then lock up when you release pressure, it just needs a good cleaning on those contacts.

An example of the ls-8672p connector so you know what you're looking for:

enter image description here

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    Wow. My T500 started throwing this error at the beginning of the week; I couldn't get past it. It's finally the weekend, I remembered your post, I go to CVS and get isopropyl, download the T500 manual, ready for a project, when I read your "pressure on the angled plastic" tip... I try it, and my laptop boots and is running fine! That's some voodoo computer advice right there. (For me, it must have been because I dropped my laptop a few weeks ago, but a symptom didn't appear until now.) Thank you! Aug 13, 2016 at 20:51
  • For which model did you do this? I tried to find this on my T430 and it wasn't there
    – icc97
    Apr 27, 2020 at 0:03
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Well, Stuart's solution this has solved my problem too! I've had issues with the SSD intermittently hanging and disappearing altogether for months. Replacing the drive made no difference. Lenovo support dispatched a technician who replaced not only the system board but also the SSD (technically a second time since I replaced the SSD once already). Still, the same unfortunate problem came back a few days later. Rather than send the laptop to Lenovo for weeks to undergo repair I decided to look around and came across your post. I wouldn't checked inside to see that the system board has a bracket to connect the fixed storage device.

After scrubbing the contacts on both sides of the bracket and also on the system board using 99% isopropyl, I put everything back together, and to my amazement, there is absolutely no more disk errors/timeouts/detection issues. Such an easy fix! Lenovo should include this step when replacing any system board when the problem is an HDD0 detection error.

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Thanks for all your feedback. I still don't know what is wrong and I may never know what is wrong with the laptop. Anyways, after sending it out TWICE and having the SSD and motherboard replaced TWICE, the problem still persists. This last time that i got it back, I just turned it on and let it sit there for a couple of days. when I returned to the laptop, the exact same error message was there. This is the last time I will deal with it. I will be sending it in a 3rd time to get a refund. The thing that bothers me is that I ordered the same model laptop for another staff member here at work and it just works perfectly. Lenovo is great and I could always rely on their products, but this was one huge disappointment. My theory is that there might have been a weird imperfection to the laptop case which causes something to short internally. That is about the best I could come up with.... well besides Lenovo just playing a huge prank on me and installing defective hardware.. Anyways. thank you all for your time. goodluck to those struggling with the same problem. try not to throw it out a window.

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