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Windows 7: HDMI Monitor: must unplug and replug after sleep (ATI 4200HD,HP dv-7)


09 Aug 2014   #1
junkw

Windows 7 Home 64
 
 
HDMI Monitor: must unplug and replug after sleep (ATI 4200HD,HP dv-7)

Hi!

After I put the laptop in sleep and wake it, I must unplug and replug the monitor for it to work.

It's like the HDMI does'nt wake up from sleep and need the replugging to work. As soon it is unplugged/replugged, it immediately works.

I upgraded to the last video drivers, I configured the power saving options to my best knowledge and still does'nt work.

laptop HP DV-7
video card ATI 4200HD
monitor Samsung s27d590



My System SpecsSystem Spec
10 Aug 2014   #2
Mark Phelps

Win7 Pro 32-bit, Win8 Pro 32-bit
 
 

Quote:
I upgraded to the last video drivers,
Where did you get these? If from AMD, they may not work well because laptop manufacturers are infamous for customizing their hardware to the degree that only they drivers THEY provide work well. You should use the drivers from the laptop manufacturer's website. IF you're already doing that, there may be nothing you can do.
My System SpecsSystem Spec
14 Aug 2014   #3
junkw

Windows 7 Home 64
 
 
solved

After hours of trying different things, from updating the drivers, the BIOS, the HDMI cable, I found the solution:

I simply went to Control Panel > Programs and uninstalled all the stuff related to "Catalyst" utils.

Now my HDMI port works great.

My System SpecsSystem Spec
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 HDMI Monitor: must unplug and replug after sleep (ATI 4200HD,HP dv-7)




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