Have you received the error hard disk 1 quick 303 in the HP PC startup self test?
Sometimes you also see the errors like hard disk 1 full 305 or hard disk 1 SMART 301.
As the computer boots, press the ESC key when the HP Splash Screen appears.

When the Startup menu appears, you’re free to press F2 to enter System Diagnostics.
What is hard disk 1 quick 303 meaning?
That means your hard drive may have failed and needs to be replaced immediately.

What to Do in Case of SMART Error 303
1.
If your gear is covered under warranty, you should contact HP support for further assistance.
Recover data from damaged hard drive.

In the following parts, we will show you details on data backup and data recovery.
Here, MiniTool ShadowMaker, professionaldata backup software, can reduce your worry.
Right now, free get MiniTool ShadowMaker Trial Edition for 30-day use and install it on Windows 10/8/7.

Next, start the backup by following these steps (using bootable media is the example).
Next, choose a destination path based on your actual needs.
MiniTool ShadowMaker allows backing up to an external hard drive, USB flash drive, NAS, ect.

Step 3: Start Sector-by-Sector Backup
1.
Return to the main interface and click theOptionsfeature.
Choose theSector by sector backupoption under theImage Creation Modetab.

Go back to theBackuppage, clickBack up Nowto trigger the data backup immediately.
After that, the hard disk data will come back.
Related article:How Can You Do Windows Backup Restore to Different Computer?

Windows gave me hard disk error 303 and 305.
To do that job, a piece of professional and reliabledata recovery softwarewill be helpful.
Related article:How to Build Boot CD/DVD Discs and Boot Flash Drive with Bootable Media Builder?

Now, we will show you how to recover data from damaged hard drive.
Step 3: Perform a Full Scan
This data recovery program is scanning the selected drive.
To get the best recovery result, you’d be smart to wait until the full scan finishes.

I want to do hard disk 1 quick 303 data recovery.
It is used to monitor the disk health, detect and report the indicators of drive reliablity.
There are many SMART hard disk errors.

To sum up, data is the first.
Verdict
Is Windows giving you the SMART test failed error 303, 305 or 301?
make a run at repair it by following the fixes that are told in this post.

Also, any suggestion of HP failure code 303/301/305 during SMART test are welcome here.
