|You have NOT provided enough information. |
....is the part number of the AC to DC adapter for your laptop, for MANY different possible models. .
All we know about your computer from what you've provided so far is that it's probably a HP / Compaq laptop model
Scroll down a bit.
Look for the similar label on the outside of your computer.
Quote the specific model number - that's at the end of the first line.
Quote the Product number - that's on the third line.
Your model ....
- may have come with one or more Recovery disks when it was new - if you have that if it came with more than one disk they can be either of two types of Recovery disk sets.
In that case, you need to boot the computer FROM the (first) disk(s).
Insert the disk in the optical drive when you want to boot the computer FROM.
Either the Boot Order or similar settings must be set in the mboard's bios Setup so CD drive or similar is listed BEFORE (above) hard drive or network boot or similar (it does NOT necessarily have to be listed first in the list).
When you see the line while booting the computer "Press any key to boot from the CD" or similar, you press the sated key while that line is still on the screen.
OR you must press a key while booting when you see a line "Press (a specific key) for Boot device" or similar and press the stated key while that line is still on the screen, and choose CD drive or similar.
- and/or - there may be a second partition on the original software installation on the original hard drive that has the data necessary to load all of the original software installation on the hard drive If that data is no longer there, or if it is there but it's been altered or had data added to it or if any data on it is corrupted, then loading the original data for your hard drive cannot work.
You may see a line while booting "Press (a specific key) for Recovery" or similar while booting the computer - press the stated key to do that while that line is still on the screen, or there may be an entry in the bios Setup that does the same thing. In both cases that's built into the bios version. The Recovery feature cannot work if the data required for it on the hard drive is not there, or has been altered, or if any data for it is corrupted.
OR - you may be required to boot the computer FROM one specific Recovery disk in order to be able to try the Recovery procedure.