First, memory is static sensitive and can be easily damaged.  When handling memory you need to either have a grounded wrist strap or a a minimum touch a metal part of the PC before touching memory AND ONLY handle the memory by the edges (and not the printed circuit edge).

Second, make sure the memory is in the same slots that it was originally and that the memory is correctly and fully seated.

You can run the Dell diagnostics and see if anything shows up or just run with one memory at a time to see if one of the memory modules is bad.

I ran the  Dell diagnostics an there was no indaction that i had bad ram my computer runs fine until a play a web video

Then I would check to see if there are any updates or known issues for whatever application you are using for web videos.

i have still nothing i dont have a clue to what could  be wrong

Hello Hunter63,

This has nothing to do with your RAM.  Your system is locking up when you are looking are Web based video.   The issue is your Web browser safety settings, found on your Tool bar with the icon "Tools"  Check to see the safety level you are set on and change it to a less protective setting and see if you still have the problem.  Google standard settings are the WORSE for locking up Dell.   Why Dell ever partnered up with them is beyond me.   I have removed Google search and all Google components from my computers.  They are a group of money hungry turn you in to the Government and charge you for the privilege group. 

Best,

Darrell WV

ive been observing the problem more and it seems its on hapening when im pushing the ram alot or when im trying to load somthing that requires alot of ram

ive been observing the problem more and it seems its on hapening when im pushing the ram alot or when im trying to load somthing that requires alot of ram

Try doing something other than watching videos and see if it happens.  I don't think it's ram either.

well ive played crysis for over an hour and no lock up yet i dont know what the problem could be

So you finally realize that it is not your RAM that is the issue.

So did you even bother to check your internet safety level on your tool bar as I suggested earlier?  Did you check to see what level the site you are visiting is?

Darrell

im using firefox. and ive used i.e with the security level down