HP 255 G7 Notebook 301 error message on start up

[samperuso1]

Hi

My hp 255 G7 notebook is getting the 301 error message on start up, looking at other posts, i now know its best to replace the hard drive before it fails, can someone show me the correct hard drive i need to replace the old one with, Edit..Just checked it seems i have an SSD installed will replacing that fix the error message ?

Thank you

[Pallipurath]

Hi @samperuso1 

Welcome to the HP Support Community.

Thank you for posting your query.

The HP 255 G7’s “301 error” means the system has detected a failing drive, the SSD. Replacing the SSD with a compatible model (M.2 SATA ) will fix the issue, but you should back up your data immediately before the drive fails completely.

Before Proceeding further I would request you to perform the below step and go through the link shared.

Run HP diagnostics on startup

• Power on or restart your notebook.
• As soon as the HP logo appears, press the Esc key repeatedly (about once per second).
• A Startup Menu will appear.
• Press F2 to open System Diagnostics.
• In the menu, choose Component Tests → Storage.
• Select : Extensive Test
• Run the Test.

https://support.hp.com/us-en/document/ish_3894112-3198952-16 Follow the link for detailed steps.

https://kaas.hpcloud.hp.com/pdf-public/pdf_13033529_en-US-1.pdf Service Guide.

I hope this helps.

Take care and have an amazing day!

[samperuso1]

Thank you for your reply

I have tried all the possible fixes, nothing solves the problem, still getting the 301 error on start up.

My data is already backed up on to a flash drive just in case it goes suddenly. I will purchase the relevant SSD you

advised.

Many  thanks for confirming this, much appreciated