New video card problem no display

  1. I recently bought a new computer:
    HP Pavilion p6530f
    Operating system
    Genuine Windows 7 Home Premium 64-bit
    Intel Core i3-540 Processor
    Memory speed
    PC3-10600 DDR3 SDRAM memory (3x2048MB)
    Total memory slots
    4 DIMM (240-pin, DDR3) (one available)
    Maximum memory expansion
    Graphics card
    Intel HD Graphics
    TV & entertainment experience
    PCI expansion
    1 PCI Express x16 (available) 3 PCI Express x1 (three available) 1 MiniCard (available)
    Hard drive
    1 Terabyte Serial ATA hard drive

    And if I bought a new video card I could play all the new games with at least decent settings. I bought the, "Galaxy Gefore Gts 250 1gb, 256bit, DDr3. I installed it and the fan on the video card turns on, but I can't get a display to come up. Would that happen if my power supply wasn't big enough? Or am I installing it wrong?
  2. EXCellR8

    EXCellR8 The Conservative Posts: 1,835

    The computer is using onboard Intel HD graphics so that needs to be disabled in the BIOS before the new card is inserted in the expansion slot. Make sure to uninstall the old drivers as well or it could cause problems when the card is installed.
  3. fallenchicken

    fallenchicken TS Rookie Topic Starter

    Well after looking through the bios I didn't see the option, so I disabled it with the device manager. I still didn't get a display. I think my power supply is only 250w and my video card needs 250w all to itself. When I plugged it in and left it running, my computer ran very slow. Would the lack of a decent power supply = no display?
  4. EXCellR8

    EXCellR8 The Conservative Posts: 1,835

    Yes, an underpowered PSU could yield no video, which is probably what's happening...

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