maemo.org - Talk - Need Flashing help Noob!!

Ok I'm going to apologize for spelling or grammar problem for you nazi's ok so this is what happened i was using my n900 got it new worked grate love it play all my emulators on any way i was a a wedding and wanted to use the camera and as soon as i opened the cover operation error message so haver 2 day surfing the web nothing helped was trying to avoid re-flashing someone i never did and didn't want too i have hire horror storys but any way one person said to reformat the 29gb portision so i did and well now the divide won't see that or my sd card and the camera didn't work so i broke down and decide to flash it watched a few youtube videos i decided too i download 770 to my macbook air 10.7 Lion well its a ppc program so i went to a friends house used his old iMac g4 and flashed it but i bess i need to flash two parts not one i only did the os and such now the camera works:D but no main memory :confused: and i don't have access to that comp for a month or so he's on vacation so i need to know how to reset or ref lash or reformat the emmc (i think that is what it is called) form a macbook air runing osx lion any help that is a complete noob guide would be grate i installed flasher 3.5 but i bess its not compatible with 10.7 Lion