After making a Pre-Boot Diagnostics to my Dell Inspiron N5110 15R, an error shown about my Hard Drive which is as follows:
"Error Code 2000-01 42
what should I do?
Your HDD has failed and must be replaced. If you haven't backed up your data attempt data recovery using Fedora:
Then replace the drive preferably with a SSD. Then take your free upgrade to Windows 10 TH2:
Windows FAQs and OEM Downloads