hi everyone,

i have trouble problem with my computer. i would like to format my computer and i have already recover dvd to do that, so when i am trying to use erecover management i recieved message 'acer erecovery management is not available' so if someone knows how i format my computer? meantime i format a month ago using erecover management and it was working well. i don't know why its doesn't works now...
laptop is
acer aspire 5670...
thanks a lot...