The SMART Hard Disk Error is a common error with HP laptops and desktop computers. The SMART diagnostic tool is included in the HP firmware. If the tool discovers a hardware issue during a scan, the SMART firmware displays the error message SMART Hard Disk Error. The most common version of this error is SMART Hard Disk Error 301.

There are several reasons for the error to occur, such as an outdated BIOS, a loose connection, a virus, file corruption, physical damages, an unexpected shutdown, problems with drivers and applications, or a power surge. Due to the many possible causes, there are different possible ways to get rid of SMART Hard Disk Error 301:

Change the boot priority order of your HP laptop.
Update BIOS and reset the BIOS configuration in the BIOS settings.
Make sure the hard drive and your laptop are firmly connected.
Try a hard reboot of your HP laptop.
If none of the above solves the issue, use a data recovery software to recover the data from your hard disk.
To make a bootable disk of EaseUS Todo Backup, follow the instruction carefully.

Step 1. Prepare an empty USB or CD/DVD drive
Note: Do remember to empty or clear your USB or CD drive. If you saved data on it, move them to another safe location.

Step 2. Connect USB/CD/DVD to your Windows PC
Step 3. Run EaseUS Todo Backup and click Create Emergency Disk in Tools on the left pane.

Step 4. Choose USB or CD/DVD as the disk location for creating to WinPE disk so as to boot up the computer when the Operating System fails to boot or the computer dies.
Step 5. Click Proceed to start creating the WinPE disk to your USB or CD now.

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