Cheap Laptops and More

after i restore my laptop now i have the following controllers missing:
ethernet controller
mass storage controller
multimedia audio controller
network controller
pci modem
SM bus controller
video controller(vga compatible)
I would appreciate any help you can give me!!
I have a gateway MX6441,thanks

I want to get a laptop but i don’t know if i should get a macbook or an hp laptop. What’s better?

13″ Leopard Laptop Sleeve Bag Handle Case For 13.3″ Apple Mac MACbook Pro/ Air
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I'm 15, and have a windows desktop computer.
I'm thinking about getting an apple laptop.
What I'm wondering is can I have photoshop cs3 and Sony Vegas Movie Editor on an apple laptop?
I didn't know because I can only find a download for Windows Vista.

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I'm used to macs, but I needed a cheap windows computer to do some taxes. I purchased a used Dell C600 laptop, and when booted it just says "No bootable device, try again y/n?" There is a space/hole on the left side of the laptop where it looks like some sort of device should be [...]