I've got the gear, now how do i install it?

I've just bought myself the Sapphire HD Radeon 7770 for my i7 HP Pavillion P7-1058uk. I bought a new 500w power supply for it because the new card needed 450w and my pc only supplies 300w out of the box. I've looked everywhere online but hardly anyone seems to have the same PC as me and i cant even find it being sold anymore even though it's only just over a year and a half old, so i kind of just had to guess when buying a new power supply. Its an ATRIX ATX or something.

Here's what i've got:

Power Supply: http://www.pcworld.co.uk/gbuk/ATRIX-Expert-AX-500EXB-ATX-PSU-500-W-19071027-pdt.html?srcid=11026

Graphics Card: http://www.pcworld.co.uk/gbuk/sapphire-amd-radeon-hd-7770-ghz-edition-pci-e-graphics-card-1-gb-19572183-pdt.html

My PC (12GB RAM upgrade): http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02889484&lang=en&cc=us&taskId=135&contentType=SupportFAQ&prodSeriesId=5080737&prodTypeId=12454

Just want to check if both are compatible for my PC. Not so much on whether it would work with what i've got, because the size of the tower is my main concern, and then there's getting into my computer's BIOS to stop the integrated Intel graphics.

Thanks, Tom.
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  1. Yes the hardware are compatible with your pc and it is good that you upgraded the PSU but you would have been fine on anything above 300 watts like 350 watts.
  2. I bought the 500w because the graphics card says it needs 450w. I'd rather be over than under, plus it leaves room for anything else i might want to add in the future EG a cooling fan or something.
  3. You can now use two hd 7770 with that PSU. A lot of people have been successful in running a HD 7770 on a 350watts PSU, some even on a 300watts, but like you said it is always better to have more wattage.
  4. One other thing, i can't seem to find the graphics card in the BIOS so i can disable it. However, i can find it in device manager and uninstall it.

    This is how my computer gets to BIOS (I think)

    ESC key > Computer Setup (F command, can't remember what one) then from there it's menus selected using arrow keys. Not even sure if that's the right menu but there is no option for hardware devices. Just information about the PC and a few security menus.
  5. I think it is F4 key. But I haven't heard that you have to press esc key first. Can you post a image of what you see at the post screen.
  6. You'll have to excuse the quality of the pictures.

    F4 brings me to a boot menu. From there i can press F8 which is a more advanced menu (in the picture album)

  7. I was thinking it's just a matter of un-installing it from the devices menu because it's just software rather than hardware.
  8. In the startup menu go to Computer setup
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