I have a Inspiron 1520

OS: Vista Ultimate

I have a problem with my 2nd memory slot - DIMM B

it started yesterday when i turned on my laptop, nothing happens other than the cap lock flashing for about a min.

this happened before, which i took the memory out and pop it back in and worked, however, this time, it doesn't.

Also, for now, i removed the ram and using it with just one ram underneath the keyboard, and it seems to be working fine but slow as vista need more than 2GB to run smooth.

I have tried different ram so i believe it's not a ram problem it's kind of the slot problem or motherboard, but highly unlike to be the motherboard as it seemed to be working before as i have said. Anyway.

Please ask for more info.

Thanks ever so much for your help!