I had the same problem on the same laptop model (HP G62). To bypass this issue, I disabled radeon at system startup by editing /etc/default/grub and setting the variable GRUB_CMDLINE_LINUX_DEFAULT in this way:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash radeon.modeset=0"
I had the same problem on the same laptop model (HP G62). To bypass this issue, I disabled radeon at system startup by editing /etc/default/grub and setting the variable GRUB_CMDLINE_ LINUX_DEFAULT in this way: LINUX_DEFAULT= "quiet splash radeon.modeset=0"
GRUB_CMDLINE_
I hope this can be useful for someone else.