Tosiba Laptop Problem

[maxcom]

Dear Friends ,

Need your help

I HAVE LAPTOP TOSIBA 2140CDS
IN MY LAPTOP INBUILT MEMORY 32MB
AND ONE EXTRA SLOT FOR OTHER MEMORY

I BUY 64MB EXTRA RAM AND INSERT IN EXTRA SLOT WITHOUT AC PLUG AC ADOPTER OF MY LAPTOP , THEN COMPUTER WORKS AND SHOWING 96 MB RAM IN MEMORY TEST AND PROPERTIES OF MY COMPUTER ,
BUT WHEN I PLUG ADOPTER CABLE MY LAPTOP WILL BE HANGUP AND NOT STARTING ALL LED ARE BLINKING , AFTER REMOVIE RAM MY LAPTOP WORKING WELL , GIVE ME SUGGETION, HOW I UPGRADE MY RAM

[premrajeev]

give us the complete specification of the laptop, and installed memory.

This is a typical error. After u remove the ac power, is everything just works fine ?