HP DV6700 Mystery......

Hi

This little rascal powers on, all the blue lights but no image on screen, and it beeps 4 times.

So I stripped it naked. With the power on the board illuminates as follows:

Blue light in centre of mobo
Green charge light
Green light when power button is pressed (Lasts for approx 5 seconds)
All the blue lights across the power panel

With power the heatsink doesn't run. It was very dirty with a dry white powder residue (possible spillage damage?)

The board looks ok (no visible liquid damage) and it has 2 NVIDIA chips, the larger one having a small burn scald mark on the top.

I am learning all the time with repairs and a novice I guess, but I am aware HP are known for graphic chip issues.....so...

1. Do I buy another MOBO, can I use the several versions I have seen on eBay? Are they all adaptable?

2. Buy a new heatsink and see if that works?

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My Computer

System One

  • Manufacturer/Model
    Acer Aspire M1201
    CPU
    AMD Athlon x2 Dual Core
    Motherboard
    Unknown
    Memory
    1GB DDR RAM
    Graphics Card(s)
    ATI Radeon 2100
    Sound Card
    Unknown
    Hard Drives
    Seagate Barracuda 7200
    PSU
    ATX 250PA
looks like heat damage. maybe the thermal compound failed... i would send it back to HP
 

My Computer

System One

  • CPU
    AMD Phenom ii 940 - 3.60GHz
    Motherboard
    ASUS M3A79-T Deluxe
    Memory
    Kingston HyperX 2x2GB 1066MHz 4096MB
    Graphics Card(s)
    4870 1GB
    Sound Card
    N/A
    Monitor(s) Displays
    Viewsonix VX2240w
    Screen Resolution
    1680 x 1050
    Hard Drives
    Western Digital Caviar Black 1TB 7200rpm
    PSU
    Corsair AX850
    Case
    Coolermaster HAF 932
    Cooling
    Scythe Mugen 2 rev.b
    Keyboard
    Das Keyboard Silent Professional
    Mouse
    Logitech G500
    Internet Speed
    iunno.
Its out of warranty......
 

My Computer

System One

  • Manufacturer/Model
    Acer Aspire M1201
    CPU
    AMD Athlon x2 Dual Core
    Motherboard
    Unknown
    Memory
    1GB DDR RAM
    Graphics Card(s)
    ATI Radeon 2100
    Sound Card
    Unknown
    Hard Drives
    Seagate Barracuda 7200
    PSU
    ATX 250PA
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