How to Solve Hard Disk Error 303 and 305
What does hard disk error 303 and 305 Mean
Hard drive disk errors 303 and 305 are diagnostic codes that indicate a hard drive failure. The specific error messages "Hard Disk 1 Quick 303" or "Hard Disk 1 Full 305" signal that the hard drive has failed and needs to be replaced immediately.
If you're experiencing errors on your PC with specific details, back up your failing hard drive and consider upgrading to a new HDD or SSD to resolve the issue.
"Start up test failed
Hard disk smart 301
Hard disk 1 Quick 303"
How to back up data on hard disk with 303 or 305 error
When a hard drive shows a 303 or 305 error, its lifespan is ending, and a new drive is the only solution. However, to create a backup of the data using backup and recovery software, you often need to boot from a recovery disc due to the hard drive's inability to boot with the system on it.
If you don't have a recovery CD, you can troubleshoot the issue using Qiling Backup utility. Simply remove the failed hard drive, connect it to another computer, download Qiling data backup software, and create a bootable rescue media. This will help you recover your data in an emergency situation.
To make a bootable disk of Qiling Backup, follow the instruction carefully.
Step 1. Prepare a USB drive which can be written and read.
Step 2. Launch and install Qiling Backup on the Computer B.
Step 3. Find and click "Tools" and choose "Create bootable media".
Step 4. Choose the location where you want to save the boot disk, which can be an ISO file, a bootable USB, or a CD/DVD disc.
Step 5. Then click "Proceed" to start.
After successfully booting into Windows, now you can continue with the hard drive and partition backup with Qiling Backup software.
After backing up your data, you can shut down your computer and replace the failed hard drive with the new one. To restore the backup, launch Qiling Backup, select the image file, and click "Recovery" to retrieve your hard disk data.
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