good morning,

i recently reformatted my zv5420us and it was running fantastically (xp pro). i installed a cpu/memory monitor and noticed that it was running high in the memory department.

i looked around and found some compatable ram. pny 1g 2700. ordered it. arrived today

shutdown the laptop.

opened the bottom hatch and pulled out the 256 that was in there and installed the 1g. closed everything up and rebooted.

got 3 bluescreens/memory dumps. now it boots up ... goes past the f10 for boot options and then just sits at a black screen. the laptop is on but i dont hear anything else.

replaced the 1g with the (original) 256. same thing.

pulled out the 256 leaving the (under the keyboard) 256. same thing.

ugh ... i violated my 'if its not broke dont mess with it rule' ... and i am reminded why i keep saying that to myself.

any suggestions/comments are greatly appreciated.

thanks in advance ... running.