GPU help needed!

I got a gpu from a friend, uninstalled the previous integrated graphics card's drivers, and then shut off, installed the gpu, an ati radeon 3450. started up and got bsod.

after a few trial and errors I got it running, and it auto installs the driver, and then I get vertical lines on screen, no image, just solid color with lines.

system restored, which most likely reinstalled the nvidia drivers, and still had the new card in, it still started up and will run for a few seconds, but then i get vertical lines again.

I thought that it might be over heating, so I opened the case up and turned my fan to it. which didnt help.

now I stupidly tried to do a factory restore on the computer, so that none of the drivers would be installed, but now the screen is back to vertical lines, so im waiting for the process to finish and hope for the best. need help please
or have I just royally screwed myself.

 

Spoiler

thanks for the help you guys. I probably messed up in the first place, as I have no exp in installing gpu's. cus I didnt uninstall the intigrated's drivers first, and all.
but going into safe mode with the gpu out, I uninstalled the nvidia graphics drivers and then shut down. installed the gpu again, safe mode, then uninstalled the ati drivers that windows had installed. restarted, it started like normal, and then windows attempted to install the drivers for the ati again. then it prompted a restart, I said later, and went to download and install the drivers from ati's site, it was the top driver for the radeon 3k,4k,5k series's and before I could even start that installer, it vertical lined me. so i restarted in safe mode, and attempted to install, but the installers said that it couldn't detect the card type.

edit-
ok so I did a restore, have everything back to before the gpu was installed. then I installed the gpu, it was low 8bit colors, and auto installed its drivers. i attempted to install the catylist drivers, screen goes black. restart, bsod. so i go to bios, set the gpu to onboard, with the ati card still in. pc starts up fine. device manager shows the ati radeon card in it, so I instal the catylist ati drivers. it installs fine, no errors. now attempting to see if the card will work or not. any reason why it would do this besides it being faulty> my psu is only 300 watts, so i thought that it might not be getting enough power..

edit 2-
this gpu works fine in safe mode. so something must be wrong. should I upload my bsod dump?

edit-3 ok, 15 min in and it does this

Spoiler

 

bump to get attention. is it completely useless like ive been told and has my hopefulness all been in vain.

 

sadly i was stupid enough to do so, though it was with the factory restore partion. during the process, the screen did the vertical line thing. and so i let it do its thing, and pressed enter, and the computer restarted. it looked like it was going fine, then when it started to configure windows, i get a black screen. so I cant see what was going on.

long story short, it forced me to reinstall the os again, this time without the card in.

if you dont mind reading, here is a summery of everything I've done after the os install.

Spoiler

run it the first time before windows installs its preset driver, which i cannot stop. it installs, and then after a few min it black screens me. cant see a thing. so I force a shut off. video comes through.

try to start windows, gets blue screen of death.

goes to bios and changes pci back to onboard for gpu usage.

everything start fine

install graphic card drivers from makers site, installs fine no errors.

go back to bios, switch back to pci, restart, freeze on windows boot logo, the bsod.

change bios to onboard once again, and it seems that the comp is using both graphic cards. tested with minecraft
and i can have everything at highest, with no lag. and before i had to have almost everything on lowest. going to get a more gpu intensive game to test out later.

 

lol he was quite surprised that it didnt work. and because we traded, he offered to get a refurbished one
for me, that should do the same, if not better than this card could do if it did work.

 

he bought a refurbished one for me. having it shipped to me

http://www.amazon.com/gp/product/B005E99J9A/ref=ox_ya_os_product

should definitely be better than the one thats busted.

 

anything is better than this. its a GeForce 9100. in a hp pavilion a4316f. I know its not meant for gaming, but its better than nothing.

well its not my money lol, so if it is defective, all I can do is just send it back and hope for a better replacement.

 

also for when I do get the next GPU, what would be the proper way to install it? do I uninstall the Nvidia graphic display drivers, shut down, install card, then boot up and install drivers for the new card? or just install the new card and leave all drivers alone?

 

ok, thanks. dont want to screw up lol.

 

baking? what exactly would that do?