BB Tour 9630 :: How To Change Your Housing?

i was an ***** to attempt to do a housing upgrade by myself. anyway, i followed a Internet video on how to change your housing and i bought the housing off ebay so i was waiting until this week to change it got frustrated (nobody in my area has an expertise in blackberry) yes i'm quite the berry newb. so as i followed this vid: Internet - how to swap blackberry tour 9630 housing change disassembly flash and speakerphone 1 of 3. i did everything the guy said and everything was perfect. the red light came on which was a good indicator to me, but when it all finally loaded it became all screwy. my tour always has that device password lock you have to sign in before you can enter the main screen, anyway the password wouldn't go through until 3 times (i had to do it slowly) i assumed it was from the stiffness of the new keyboard/pad that wasn't all, my trackball seems like it was desensitized! i've been looking all over for info and Internet vids, but the trackball will only scroll one application over to the bottom or one to the right that's it! or if i scroll it to the right repeatedly, it will scroll downwards slowly. it won't scroll up or any other direction. even if i try to scroll in one direction it'll just keep scrolling down?also the reception bars on the top right corner of the screen is either really low (which it shouldn't because i never had an issue with the reception or trackball with the original oem housing) and theres a diagonal arrow that keeps blinking (when blackberry is trying to see can find a good reception, or that's what i presume)and the device lock keeps locking by itself. my phone like blackouts for a little bit and goes back to the device lock by itself?! i have to keep putting my password in but again the problem is either i'll get the incorrect password for a certain amount of times or just the trackball won't work . i have to press it really harder for it to "enter" on device lock.