no signal on monitor new graphics card

stevebal

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No signal on monitor when installing new Graphics card I have just bought a new Graphics card ( Radeon HD 5450 ) to replace my old one ( Radeon x1600 series ) the problem starts when I insert my new Graphics card into my comp I get a no signal on my monitor through the graphics card or the vga slot on my comp while the new one is in place, so I can’t install the drivers to set it up, yet when I take it out and re install the older card everything is fine, I have tried unisttalling my drivers for my old card and then inserting my new card to see if there was a conflict there but to no avail the same thing happens, I an running a HP pavilion a6085 computer with windows 7 ultimate on it and the mother board is a PSLP-LE, the 5450 is HDMI and the driver disc does support Win 7, can anyone advise me where to go from here as I am stuck Please. I have 4GB ram which is DDR 2 and the new card is a 1 GB DDR 3 would that make a difference,
 

My Computer

System One

  • OS
    Windows 7 Ultimat
RAM and GPU memory can't be an issue, only compatibility issue could be with PCIe port. eventually but not too probable. If you can't see picture of BIOS, it has nothing to do with drivers (yet). Did you try resetting BIOS/CMOS ?
 

My Computer

System One

  • OS
    Windows 8.1 Pro
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Home made
    CPU
    AMD Ryzen7 2700x
    Motherboard
    Asus Prime x470 Pro
    Memory
    16GB Kingston 3600
    Graphics Card(s)
    Asus strix 570 OC 4gb
    Hard Drives
    Samsung 960 evo 250GB
    Silicon Power V70 240GB SSD
    WD 1 TB Blue
    WD 2 TB Blue
    Bunch of backup HDDs.
    PSU
    Sharkoon, Silent Storm 660W
    Case
    Raidmax
    Cooling
    CCM Nepton 140xl
    Internet Speed
    40/2 Mbps
    Browser
    Firefox
    Antivirus
    WD
:ditto: To what CountMike said. If it was a driver issue it would still work in the POST/BIOS. Even if it was a driver issue, I would expect something to be displayed on screen in low resolution. It should work in standard VGA mode so you can boot into Windows and install the drivers. The video cards ram being DDR3 and your motherboard RAM DDR2 is not an issue. The Video card has its own memory controller onboard to handle its memory. Same deal for your motherboard. The two devices handle their memory independent of the other. Did you connect all the required power cables from the power supply to the video card.? It sounds like a dud card to me. If you have another PCIe slot to test it in or another PC to test it in I would.
 

My Computer

System One

  • OS
    Windows 10 Education 64 Bit
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Asus
    CPU
    AMD Phenom II X4 980 Black Edition Deneb 3.7GHz
    Motherboard
    ASUS M4N68T-M V2 µATX Motherboard
    Memory
    8GB 4GBx2 Kingston PC10600 DDR3 1333 Memory
    Graphics Card(s)
    NVIDIA Geforce GT640 2 Gig DDR3 PCIe
    Sound Card
    VIA VT1708s High Definition Audio 8-channel Onboard
    Monitor(s) Displays
    22" LG E2242 1080p and 2 19" I-INC AG191D
    Screen Resolution
    1280x1024 - 1920x1080 - 1280x1024
    Hard Drives
    Crucial MX100 256 GB SSD and 500 GB WD Blue SATA
    PSU
    Thermaltake TR 620
    Case
    Power Up Black ATX Mid-Tower Case
    Cooling
    Stock heatsink fan
    Keyboard
    Logitech Wireless K350 Wave
    Mouse
    Logitech M570 Trackball and T650 TouchPad
    Internet Speed
    80 Mbps Down 30 Mbps Up
    Browser
    Internet Explorer 11
    Antivirus
    Windows Defender
    Other Info
    HP DVD1040e Lightscribe - External USB2
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