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vkc99
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Message 1 of 2
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Hp 2009m monitor no vga or dvi signal

HP Recommended
Pavilion p6404y
Microsoft Windows 7 (32-bit)

I have been follow some of advises here but not able to fix this.  I know for sure it is not the vga cable or the monitor because I   hooked up with other pc the HP monitor 2009m works fine, but this P6404y keep showing the same messages no signal vga, dvi even with a different monitor.

 

I ve changed several vga cables, but same thing happened.

 

I tried f8 , f10 but it keeps flashing the same message and then goes to sleeeeeep.

 

This pc has the AMD Phenom II 820 Quad-core, NVIDIA Geforce 9100 integrated graphics, not sure its a 32-bit or 64-bit.

Please advise

 

 

1 REPLY 1
wb2001
Level 15
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Message 2 of 2
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HP Recommended

@vkc99,

The actual problem is the Northbridge chip gets hot. This has been known since 2011.

Are you getting no video or everything just freezes or black screen?

This is most likely because the Northbridge chipset is overheating. Hp will always try and cut costs where they can as a corperation so they decided to have asus attach an inaccurate heatsink to chipset. Had this have been an intel chip set then it would be ok. However, this chipset is the Nvidia 9100 and that means ALOT OF HEAT! Heat causes instability especially in relation to memory/chipset/CPU since they are connected by the system bus. When the chipset (BUS CONTROLLER) falls out of sync you as the user see this instability as these symptoms; No Video; Freezes under pressure "such as bootup or video games".

*SOLUTION:

Buy a 1.5" or so 12V fan and power adapter to connect to the 4 pin (White End) or make a connector yourself. then ziptie it to the clips of the heatsink on the chipset so the airflow is blowing directly onto the chipset. I would strongly reccommend you clear some working room in the chassis by removing the videocard, accessory header cables, and harddrive manifold.

 

 

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