Fix SSD error 2100 with these solutions

by Tashreef Shareef
Tashreef Shareef
Tashreef Shareef
Windows & Software Expert
Tashreef Shareef is a software developer turned tech writer. He discovered his interest in technology after reading a tech magazine accidentally. Now he writes about everything tech from... read more
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The modern laptops like the newer Lenovo IdeaPad series come pre-installed with the SSDs, offering better speed and performance. However, sometimes while turning on the machine, you may get SSD error 2100. his is a common SSD error and can occur due to many reasons. One reason being a faulty SSD or the improper installation of the drive-in the  M.2 slot. This is a common SSD error and can occur due to many reasons. Several users have reported similar errors in the Reddit community as well.

I am having an issue with my T420 and a recently acquired Crucial BX100 SSD. I checked Crucial’s website and it stated the BX100 was compatible with the T420. Later, I installed it per the Lenovo Maintenance Manual but when I try to boot, it gives me this error message:
2100: Detection error on HDD0 (Main HDD)

If you are also troubled by this error, here are a couple of troubleshooting tips to help you resolve SSD error 2100 in Windows computer.

How to fix SSD error 2100

1. Perform a Power Cycle

  1. If your laptop comes with a removable battery, you probably can fix the SSD error 2100 by performing a power cycle.
  2. Shutdown your computer if it is on.
  3. Flip over the laptop and press the battery locks on both sides.
  4. Remove the battery and leave it idle for a minute.
  5. Reinsert the battery and restart the computer.
  6. Check if the error is resolved.

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2. Check if the SSD is seated firmly

SSD error 2100

  1. Another reason why the SSD error 2100 can occur is if the SSD wasn’t seated firmly in the M.2 slot.
  2. The SSD requires a screw to be seated firmly in the slot. However, the SSD manufacturer’s don’t offer any screw with the SSD. If you haven’t properly screwed the SSD to the slot or if it wasn’t pushed all the way down, the system may have a hard time accessing the drive resulting in this error.
  3. Make sure you open the back panel and remove the SSD.
  4. Then reinsert the SSD into the slot and make sure it is properly placed and screwed. Restart the computer and check for any improvements.

3. Run Hardware Scan

  1. If you are using a Lenovo laptop, run a hardware scan to identify any issues with the SSD or any other component of your system.
  2. Launch the Lenovo Vantage software on your system.
  3. Click on Health and Support option.
  4. Scroll down and click on “Run a Hardware Scan”.SSD error 2100
  5. Click on Run Quick Tests option.
    SSD error 2100
  6. Lenovo Vantage will execute the hardware scan. Wait for the test to conclude.
  7. In the result page, scroll down to Storage section.
  8. If your SSD has passed the test with a green checkmark, then the issue is not with your SSD.
    SSD error 2100
  9. Check if any other major component has failed the test.

4. Contact Support

  1. If the SSD error 2100 started to occur after upgrading your Windows version or BIOS, contact Lenovo support or SSD manufacturer in case you installed the SSD.
  2. The company should be able to replace the faulty drive with a new drive. You can also request data recovery in case your SSD is bricked and you are unable to recover any data.


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