LG Laptop when installing windows 7 the machine went off

[Mbewe Julius]

When installing win 7 on an LG laptop the machine went off on restarting. i had just upgraded the ram to 1.5gb there was 512 mb on bank 1 and 1gb on bank2. when i tried to switch on the machine nothing happened i removed the battery and AC power. tried it on ac only the ac indicator on the machine was on but still the machine didnt come on i put back the battery still only the battery and ac indicators where on still machine couldnt come on what do i do

 

[buwish]

Did you try removing the new memory that you put in?