A:AnswerThat laptop has a 45 watt power supply. This power adapter should work as it is 65 watts.
https://files.bbystatic.com/%2BQVrR0Y26GY62vzHwC7phg%3D%3D/CFA9DD53-3082-4266-9852-81110520C826.pdf
A:AnswerThe transformer plugs directly into your 120 volt socket. The cord is permanently attached to the transformer and plugs directly into the DC jack. In other words, it's one-piece. Sorry.
A:AnswerThis here is a 65-watt charger. Your laptop requires a 45-watt charger. Here is the part number for the AC adapter for your laptop: 741727-001 and the power cord is: L19367-001. I would recommend asking the Geek Squad at Best Buy if they can order it for you.
A:AnswerWithout knowing the exact model of ProBook 450 (there have been several) it's impossible to say for certain, but this adapter fits the vast majority of HP laptops.
A:AnswerNo, your laptop requires a 45 watt charger. Here is the part number for the correct power adapter for your laptop: 741553-850 and for the power cord: 213349-009. I would advise reaching out to the Geek Squad and see if they can order it for you.
A:AnswerNo. But this is the correct AC adapter part number for your desktop: 724264-001 and the power cord: 213349-009. You can either search for it on the internet or you ask the Geek Squad at Best Buy and see if they can order it for you. Be sure to get both parts.