unable to play bf4/bf3 with black bars

The wording confuses me a bit.  You want black bars or you don't?  I'll assume you do not want them and they are stuck on.

I'd try resetting your Catalyst 3D settings to Default values.

In the game set the mode to either Borderless  or  Fullscreen with the native resolution of the monitor selected (i.e. 1920x1080 if that's the best mode for the monitor).

i want black bars, if i go to 800x600, enable preserve aspect ratio in amd crimson, and apply the video settings ingame, its still stretched and amd settings go to full panel.

Catalyst 3D settings- cant find such thing

THE game DOESENT have BLACK BARS, I WANT TO PLAY WITH THEM BUT i cant ENABLE em. :C , i hope u understand me now, ty

I see.  This is the settings page you changing it from?  GPU Scaling Maintain Aspect?

If that's what you are trying.. perhaps try disabling Scaling and just set the game to 800x600 Fullscreen in the settings.

Most people have the opposite problem and I believe by default Scaling is not on at all.

*edit*

I did more googling and it seems this has been brought up before for both BF3/4 for people.  The game sometimes seems to override the scaling options set by the GPU software.

One guy suggested to edit your  PROF_SAVE_profile with Notepad (Documents folder)
GstRender.ResolutionHertz 0

Another idea I had was... set it to Windowed mode but use software to Lock the cursor it to the window so it doesn't jump off.

I use this software to lock to certain monitors for some games that refuse to lock it themselves:

http://dualmonitortool.sourceforge.net/swapscreen.html

I think it can do lock to Window too but I haven't test and I can't right at the minute.

*edit2*

After reviewing the settings for those tools.. I don't think those can do it but this software looks like it can.  I haven't personally tested it.

http://www.snakebytestudios.com/projects/apps/cursor-lock/

if i disable scaling it will be centered and whole picture is inside black square

even if i put the monitor on 800x600 and with black bars, still the game goes to streched

i dont think how cursor lock is going to help me, i still cant get black bars

bf3 and bf4 are the only games that do that, csgo is fine and works witch current settings and black bars

mmm...

What does it do when you do this:

Enable the Maintain Aspect Ratio again.

Change the Resolution of Windows to 800x600.

Do Black Bars show up (in windows desktop) or does it stretch to fit the monitor?

If it has the black bars, try to put BF4 in Borderless mode.

Only thing I've come up with so far.

*edit*

I think this is borderless in BF4  ini file

GstRender.FullscreenEnabled 0
GstRender.FullscreenMode 2
GstRender.FullscreenScreen 0