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Windows 7: ATI HD5770 Problem With Acer 23" Monitor

27 Feb 2010   #1
Saidar

Windows 7
 
 
ATI HD5770 Problem With Acer 23" Monitor

Hello,

I got my new graphics card yesterday, an HD 5770. My previous card was a HD4870.

I did not upgrade, my card's fan failed so they sent me a new card, but to my surprise it was a new model, but that is a story for another thread.

So happy as I am I installed the new card and behold, I cannot run my screen at 1920*1080. Don't know how to describe this but my screen is smaller, and centered.

It is like watching a movie with dimensions that your screen does not support, a black strip is present at the top and bottom of the screen. Only in my case the black strips are top bottom left and right.

Currently I'm running my screen at 1440*900, the only resolution where my screen is displayed "full screen".

If you don't understand ask me and I'll try to explain better, I will even take a photo and post it.

What can be the problem? Do I have to get a new monitor or what?

Thanks!


My System SpecsSystem Spec
.

27 Feb 2010   #2
stormy13
Microsoft MVP

Win 7 Ultimate x64
 
 

Saidar, welcome to the forums.

First thing to ask, did you remember to uninstall the video driver and CCC before installing the new card, and then install the driver again?
My System SpecsSystem Spec
27 Feb 2010   #3
Saidar

Windows 7
 
 

Hey,

Yes I did, uninstalled all ATI software before installing new drivers. Maybe I should uninstall restart and try again?



Quote   Quote: Originally Posted by stormy13 View Post
Saidar, welcome to the forums.

First thing to ask, did you remember to uninstall the video driver and CCC before installing the new card, and then install the driver again?
My System SpecsSystem Spec
.


27 Feb 2010   #4
Saidar

Windows 7
 
 

Ok it is not a driver issue, in fact when my PC boots up, before loading windows the same effect is present, with black strips on all 4 sides of my screen.

Maybe I should buy an HDMI cable, can the type of connection cause a problem like this?
My System SpecsSystem Spec
27 Feb 2010   #5
stormy13
Microsoft MVP

Win 7 Ultimate x64
 
 

Quote:
Maybe I should buy an HDMI cable
Not sure why you would want too. Unless your monitor is different from either of these,

Newegg.com - Computer Parts, PC Components, Laptop Computers, Digital Cameras and more!

as neither has a HDMI port. How is it connected now, VGA or DVI? Also does it show up as an Acer in Device Manager or is it showing as either "plug and play monitor" or "non-plug and play monitor?
My System SpecsSystem Spec
27 Feb 2010   #6
Saidar

Windows 7
 
 

I'm using an HDMI to DVI cable at the moment. That is why I thought maybe a HDMI to HDMI would work better, as the new graphics card has an HDMI port.

My monitor is showing up as Acer V233H
My System SpecsSystem Spec
27 Feb 2010   #7
stormy13
Microsoft MVP

Win 7 Ultimate x64
 
 

Try it with just a plain old DVI cable. Also,

Quote:
That is why I thought maybe a HDMI to HDMI would work better
not going to work unless the monitor has a HDMI port as well, and from what I can see your monitor doesn't.
My System SpecsSystem Spec
28 Feb 2010   #8
Saidar

Windows 7
 
 

Quote   Quote: Originally Posted by stormy13 View Post
Try it with just a plain old DVI cable. Also,

Quote:
That is why I thought maybe a HDMI to HDMI would work better
not going to work unless the monitor has a HDMI port as well, and from what I can see your monitor doesn't.
My monitor does have an HDMI port
My System SpecsSystem Spec
28 Feb 2010   #9
Frostmourne

Windows 7 Ultimate x86-64
 
 

Use an HDMI cable that is Version 1.3a at a minimum and install the latest Catalyst drivers. Uninstall the old drivers first via the installer, then reboot and use Driver Sweeper to clean up, then rerun the installer. Finally, force the right resolution in desktops and displays.
My System SpecsSystem Spec
28 Feb 2010   #10
Saidar

Windows 7
 
 

Quote   Quote: Originally Posted by Frostmourne View Post
Use an HDMI cable that is Version 1.3a at a minimum and install the latest Catalyst drivers. Uninstall the old drivers first via the installer, then reboot and use Driver Sweeper to clean up, then rerun the installer. Finally, force the right resolution in desktops and displays.
Thanks, any idea how to "force" resolutions?
My System SpecsSystem Spec
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 ATI HD5770 Problem With Acer 23" Monitor




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