Memory chip, to me says, one chip. Do you mean, memory "module"? If so, are you sure its the right one. Plus, what is the rest of your system details, memory, etc. Visit this website to find the right memory for your system and basic info related to your system as well: http://www.crucial.com The HP support website offers details as well.
happy USA -----Willy
I just bought a memory chip for my HP pavillion and the model iss the a330n. I just installed the chip and now my computer is shutting on and off at random times. can anyone help me.