I changed my hp mini RAM from 1Gb to 2Gb but when i re-slot the 1Gb RAM into the hp mini laptop it stop booting
More aboutgrade laptop ram
put the 2 gig stick back in. boot the laptop up and go into the bios and reset it to the timings of the 1 gig stick, save and exit. when I goes to reboot turn the laptop off and stick the 1 gig stick in. reboot and should boot back up.