HP Pavilion dv4000 Notebook PC and Compaq Presario V4000 Notebook PC - Maintenance and Service Guide
Official HP Pavilion dv4200 CTO Notebook PC guide.
HP Pavilion dv4000 Notebook PCs, Compaq Presario V4000 Notebook PCs, and HP Compaq nx7220 Notebook PCs - Maintenance and Service Guide
Official HP Pavilion dv4200 CTO Notebook PC guide.
HP Pavilion dv4200 CTO Notebook PC FAQ
Official HP Pavilion dv4200 CTO Notebook PC Fequently Asked Questions
HP Pavilion dv4200 CTO Notebook PC Documentation Site
Official documentation site.
HP Pavilion dv4200 CTO Notebook PC Support Site
Official HP Pavilion dv4200 CTO Notebook PC Support Site
Hewlett-Packard Homepage
Official Company Homepage