I just got a refurbished laptop, Dell C600, the CPU is only at 750 Mhz.
I was told I can only upgrade to 850 Mhz.
I have the latest Bios, A23 and the memory is 256 MB.
Everything else is OK, I just want to max out the memory and CPU.

Upgrading the CPU would not do much. I don't know if the notebook came with 1x 256MB DIMM, if so, you could try another 256MB to get 512MB but that's about what you can do with that notebook. It uses PC100 modules and I would get them from eBay or so.

I didn't want to start a new topic because this is still pertaining to my dell c600.

I just cracked the screen on my laptop and i don't know what kind to replace it.
I know its 14.1 inches but they had different types on the net.

SXGA
XGA
MATTE

I don't want to get the wrong kind and don't want to spend a outrageous price either.

I think I would be inclined to look for another Dell C600 on eBay, and use that as a spares donor, there seem to be a lot for spares/repair at pretty reasonable prices here in the UK and then you might get another 256MB DIMM also.

Notebook screens are nonstandard, so you need a screen from the same notebook model. Unaffordable and unavailable from the manufacturer, but look at eBay.de or eBay.com - either for a complete notebook, possibly sold as defective or "for pieces" or, with some luck, you'll find just a screen. Not necessarily cheaper than the complete notebook.

I wrote .de or .com because other eBay are smaller or less tech-oriented.

Don't forget to compare the price of a used Latitude with other used models.

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http://www.priceminister.com/offer/buy/548...C610-Ecran.html
http://www.priceminister.com/offer/buy/266...r-portable.html

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http://support.euro.dell.com/support/downl...tid=&impid=
I didn't look for a long time, they probably tell there if you can exceed 256MB. Upgrading from 750MHz to 850MHz would bring little.

To improve an old computer, you may expand its hardware (especially the Hdd), but you may revert to older software as well. If your computer doesn't connect to the Web you can drop all security software and revert to Win Me and Office 97 Pro and so on, and then a 750MHz 256MB is fabulously fast, quick and swift. About 5$ and 40$ at eBay. W2k would also fit better in 256MB than Xp (or less badly, depending of additional software).

Replacing the Hdd with one (...or two...) CF cards also improves a laptop a lot, but choosing the right CF cards is not easy. And P-Ata Ssd are supposedly all bad.

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Mamma mia, this is a 440bx chipset?

Excellent speed BUT the worst ever for Ram compatibility.
According to Intel, it can handle 256MB as a maximum total (2*128MB) though people succeeded using 512MB on it.
But on a laptop, I wouldn't try. Too expensive, too random.

Would be fantastic with WinMe, acceptable with a good Hdd and W2k if some security is needed.

Thank you!