Having problems with your HP Compaq Business Notebook nc4000 (DG991A) ?

How do I fit extra memory in a compaq hp nc4000with the existing memory in place

Answers :

There's a second memory slow behind the keyboard.
\015\012You'll need a small star shaped screwdriver, can't remember the exact size, and will need to undo 3 screws. one has a pic of a keyboard next to it and is pretty central, and then 2 more nearer the hinge end of the laptop. These last 2 will allow the grey strip with the LED's on to be levered out with a thin screwdriver. The keyboard will then come away, careful not to dislodge the ribbons, and this will expose the 2nd memory slot...
If all the memory slots are full then you need to take out the lower value of memory and put a larger memory stick in its place.

Be careful not all large value memort SODIMMs will fit into your laptop check with the manufacturer for the largest size there is no point putting a 2GB memory chip into a laptop thats mobo chipset can only support 1GB.

As far as the speed is concerned this is down to the FSB of the processor bus speed of 200Mhz the rated FSB will be 800Mhz so the rated memory speed will be PC2700. If the bus speed is 133Mhz the rated memory would be PC2100, you can always go down never up so you can put a PC2700 on a 133MHz and this will still work.

Hope this helps.
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