How do i print pictures from my sd card?

If you reformat the card it erases everything on the card. So you might want to back up the cards contents on your computer. You can format it from the phone. Menu-settings-sd & phone storage-unmount card-format

What size card is it?

My brother has an HP photo printer, kind of an older one, and it can't read cards that are higher than 8gb.

 

Not sure what os your computer has but on my windows 7 netbook i had to install and uninstall htc sync like 3 times before it worked properly.

If you plug your phone into your computer does it recognize the phone? Is the connection type in htc sync, hard disk,charge only, etc (once plugged in to your pc drag down the notification bar to check how it's connected) ? Do you have usb debugging on (menu-settings-applications-development-check usb debugging)?

 

If you go to a local walmart you can put your sd card in their digital photo machine thing and print them in seconds. My daughter does it frequently and its pretty inexpensive.

 

Have you tried HP Photo Print? You can print directly to the printer from the phone with this app.

HP iPRINT PHOTO - for Android