Hello again Pua,
Thank you for responding to my post requesting additional information. Unfortunately, the information you provided asside from the operating system is not information I can use.
If you could review the documents below it will provide you with instructions on how to obtain the needed information.
How Do I Find My Model Number or Product Number?
Is the Windows Version on My Computer 32-bit or 64-bit?
Please re-post with the requested information and I would be happy to provide you with assistance. Thank you for posting on the HP Forums. Have a great day!