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Crucial memory advisor says: Max of 1GB per slot/Total of 4GB for all slots 240-pin DIMM DDR2 PC2-5300 • CL=5 • Unbuffered • NON-ECC • DDR2-667 • 1.8V

Sorry, I missed your original post, goomb.  I'd of not repeated the Malwarebytes portion.  'Course doesn't surprise me, today is turning out to be one clumsy day in more ways than one. -- "If to err is human, then I must be some kind of human!" -Me

Look up the Kingston memory advisor and do a scan (if running Windows). Save you a lot of hassle. Robert Wilensky: We've all heard that a million monkeys banging on a million typewriters will eventually reproduce the entire works of Shakespeare. Now, thanks to the Internet, we know this is not true.  

Look into the Ultimate Boot CD (ubcd.sf.net), it has all sorts of motherboard and memory tests (even hard drives and stuff.)  

Just to post an update on this one: I tried putting the IDE hard drive in place of the master CD drive and received the same message about being unable to boot.  I then tried it with another, definitely known good, drive to the same effect.  What is wierd is that it will boot off of the CD, but not a HDD. I used an existing SATA drive and PCI SATA card that I had and that would boot.  I...

Those beeps are trying to tell you something, do a Google search for "BIOS beep codes" For a Dell Latitude (model # always helpful) if you hit F2 during boot-up it should tell you what BIOS you have. I agree w/ Roger about the PSU (seems it always comes down to the PSU) but look up the beep pattern you are hearing.   Tony Users helping Users...

I have found that two things cause the PC to totally freeze up: 1. overheating RAM, and yes these can pass memtests (had one stick do that on me last week at work)... 2. HDD crashes, either through bad or loose cabling or drive failure (e.g. over heating)... Ben "If it works don't fix it! If it doesn't use a sledgehammer..." How to ask a question, when posting them to a professional forum. Only ask questions with yes/no...

The clue may be to look at any BIOS updates that were made available by Dell. The release notes for the BIOS updates should list if they were to recognise newer CPUs. You can certainly fit other CPUs from that series, but it is down to the BIOS whether they will be recognised and work. Other than using it as a (very inefficient) firewall or similar task, I don't see there's much you can do with that old beast bearing in mind its...

Well these laptops I did not buy, nor are they mine lol.  I just work on them for fun, well except taking them apart.  That part is never fun as none of these laptop makers seem to have any set standards. There is a point in wisdom and knowledge that when you reach it, you exceed what is considered possible - Jason Schoon

As far as there being any benefit, it does depend on what you're doing but generally having more memory is advantageous.  If faced with the choice between having 2GB installed, 3GB installed, or 4GB installed (but only being able to use 3.5GB of it) I would go with the full 4GB.  The system still makes use of that memory even if it isn't directly available to your applications....