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I just bought a Porter cable 18v Ni-cad powered cordless tool set. Now I noticed that the battery pack on the lithium ion powered set, is identical to the Ni-cad battery pack. My question is, can I use a Li-ion battery pack in my Ni-cad tools, or will it ruin them?

Is there a free designing program out there similar to Auto CAD? I just have a few designs I want to draw up, but I don't have any money to spend. any help would be appreciated.

So I've been following this guy around yahoo answers, and reporting his posts as spam, because they are. He posts the same thing in every answer. He sais Lread about it here.". Then gives a very shady looking URL. If I report enough of his answers will he be banned from posting?

okay. I have an iPod touch 2nd generation. And my question is, will ios4 work smoothly on it?

I just upgraded from XP to windows 7 Pro, and I am having a problem trying to run "Battlefield Vietnam".

it worked fine on XP, and I tried to run it in compatibility mode with XP service pack 2 and 3, which it both ran on. but it say's it's an "incompatible application". Is there a way to fix it so it will run?

My copy of XP Home is throwing error messages at me left and right. My games are running much slower, programs are spontaneously closing, features on my keyboard have suddenly stopped working, and it takes a good 5 minutes just for windows to shut down. I'm hoping I'm not going to have to buy windows XP and reinstall it, and I don't have a system restore disk. I see these Error fixing programs online, but I don't want to download a worm or any other malicious software. Is there a genuine program out there that can fix my computer, and where can I get it?

I have been having problems with my computers audio. it use to be working fine but then I shut off my computer for the night, but when I started it up in the morning, all of a sudden it's telling me I have no audio device. I have reinstalled the motherboards driver package over and over, but it still won't work. when I go into the device manager it says the drivers and codecs are runnig fine.

what can I do?

How do you find out what kind of power supply your motherboard needs? The one I have isn't powerful enough, and the others I have won't fit.

I installed a MSI RS482M4 (MS-7191) motherboard, and installed the driver from their websuite, but the the usb ports won't work, and it says there's no audio playback device, but everything else works. what's going on? I can build a computer from scrap, but I have no idea about programing.

I upgraded my wifes computer to a MSI RS482M4 (MS-7191) motherboard, and the version of windows I have doesn't have the audio or USB 2.0 drivers it needs. and I'm tired of looking on Google and Yahoo, and finding nothing but adds for "Driver Finder" programs. does anyone know where I can download both drivers? For free would be awesome.