How do i change my default?

I have an HP Officejet 4315 All-in-one printer. When I go to print something, it is set to print in grayscale, but I want the default to be color. When I click "print" on a program and bring up the print preferences, the box says "Type...

When I start typing an e-mail, the default is black. If I want to change the colour (I'm Australian, that's how we spell that word here) there is a "text colour" box I can bring up, and I can get the colour I want in it, and there is a "...

Hi Fellow Yahooligans, I've enabled multiple accounts in my Google Accounts page. Google has selected one of my accounts as the default one. How do I change it to my other account? Each time I open Gmail or Google Reader, it opens my secondary account...

I need to change the default printer on my (windows xp home) computer from the nonexistant fax machine to the printer that's actually physically there. I don't have admin privilages on this computer, but all the other accounts have the default printer...

So I accidentally downloaded this weird program once. It's a free version of microsoft word, so it has ads and fewer features. So anyway, it became my default for opening documents when I open them from my computer but I also have the normal good version...

How can I change the default Mail application in OS X with a script (not through the Mail.app GUI)? I need to change the default Mail application as part of a larger setup process that will be used with a lot of computers. I've looked around online quite...

I had internet explorer as my default, but it doesnt work so i changed my default to Flock. I use Flock and Firefox when i initiate internet on my own, yet when i use yahoo messenger to do anything, it automatically pulls up internet explorer every time...

I got the "open in dialogue" box for a jpg. file and somehow I clicked on the Quick view befor I realized it was set to Always open with . Now when I try to open a jpg file I get a message that there is no default viewer to view a jpg file...

The default of my account is in Thai language but I prefer to use in English language as I am familiar with Eng rather than Thai. How can I change the default of language? I am not sure if this is caused I registered the account in Thailand but there...