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How to fix UDMA CRC error count?

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Having the right storage drive for your requirements is an important part of ensuring your data remains protected. Other than the capacity, if you’re dealing with a large amount of data you also need to worry about setting up the right configuration to ensure that your data is properly backed up in case of a failure. 

In this article, we’re talking about the UDMA CRC error count error message, its causes and what you can do to fix the problem.

What causes this error?

The error generally indicates an issue in your SATA connector or cables. Other common causes include:

  • Issues with your RAID configuration. 
  • Improper connections. 
  • Outdated SATA controller drivers.
  • Damage to the storage drive. 

You can, in most cases ignore the error as it generally happens only once. UDMA stands for Ultra Direct Memory Access and CRC stands for Cyclic Memory Check. Any error with these terms indicates that the data got corrupted between your drive and motherboard, with one count for each instance over the life of the drive itself. 

If you get a single-digit count, you can ignore the error and simply reboot the PC. That said, if it’s happening often and the count is higher, you might want to try the fixes listed below. 

Also read: M.2 drive not showing up: 6 Fixes

How to fix this?

Here are five fixes you can try out. 

Check the drive

The first thing you should do is check to see if the drive is properly attached. A lot of times, the drive wouldn’t be inserted all the way inside the slot, causing an improper connection which can lead to this error. Also, check if you’ve properly secured it with the M.2 drive screw. In case you’re using a SATA drive, check to make sure all the connectors are properly attached. 

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Update your BIOS

Updating your BIOS is also a good idea if you’re frequently running into this error. However, keep in mind that the process for updating the BIOS differs greatly depending upon the make and model of your PC’s motherboard,

So, consult with an expert if you don’t know what you’re doing.

Run the Windows hardware troubleshooter

Windows comes with a few handy troubleshooters that can resolve a bunch of issues. However, for some reason, Microsoft has removed the hardware troubleshooter from the troubleshooter’s menu. So here’s an alternative way to run the hardware troubleshooter. 

 Step 1: Press the Windows key + R to open the Run prompt. Type cmd and hit enter.

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Step 2: Type msdt.exe -id DeviceDiagnostic and press enter. This will launch the hardware troubleshooter. 

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Proceed along as instructed by the troubleshooter.

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Update your drivers

Out-of-date or corrupt drivers can also cause numerous hardware problems leading to such errors. If you haven’t updated your drivers in a while, now’s the time to do so.

Step 1: Right-click Start and select Device Manager from the menu.

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Step 2: Under Disk Drives, find your storage drive, right-click it followed by Update driver.

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Step 3: Click on Search automatically for drivers. Windows will then automatically look for and download the latest drivers.

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While this should help resolve the error, in case it doesn’t, click Uninstall device and restart your PC to force Windows to install the required drivers. You can then update them later. 

Run the Check Disk utility

Manually running the Check Disk utility once in Safe Mode can also iron out any errors. 

Step 1: Boot your computer using the Windows installation media. Click Repair your computer.

Step 2: On the blue screen recovery window, click on Troubleshoot.

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Step 3: Select Advanced options.

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Step 4: Then select Command Prompt.

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Step 5; Type the following command to run a scan.

chkdsk C: /f /r

Restart your PC once the scan is done, and you should be good to go. 

Also read: How to fix the ‘checking media presence’ error?

Yadullah Abidi

Yadullah Abidi

Yadullah is a Computer Science graduate who writes/edits/shoots/codes all things cybersecurity, gaming, and tech hardware. When he's not, he streams himself racing virtual cars. He's been writing and reporting on tech and cybersecurity with websites like Candid.Technology and MakeUseOf since 2018. You can contact him here: