External monitor not displaying full 1920x1080 (black bars around desktop), Pavilion g6

I have a Pavilion g6 notebook running Windows 8.1. I have an external Acer S232HL display hooked up via an HDMI cable. The resolution is set to 1920x1080 in Windows, and I'm only outputting to the external monitor.
Windows thinks the resolution is set to 1920x1080, but for some reason on the monitor it is scaled to something like 1734x980 with black borders (unused pixels) all around.
All drivers and OS are up to date. Graphics: AMD Radeon HD 7640G via an AMD A8-4500M APU.
Somebody posted what looks to be the same problem for this AMD chipset, though for a different manufacturer:
https://forums.lenovo.com/t5/Lenovo-3000-and-Essential/G505S-doesn-t-full-screen-my-External-Monitor...

(Workaround)
Since I don't expect to find a fix for this, I've resigned myself to setting the resultion to 1776x1000 and setting the monitor in a 1-for-1 pixel mode (called "Aspect" in the options). I still end up with the borders, but the graphics are nice and sharp because it isn't trying to scale 1920x1080 into a smaller resolution.

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External monitor not displaying full quality

I recently purchased a Macbook Pro 15.4" Retina. I hooked it up to my Acer External Monitor via the HDMI out on the Macbook. My display settings are set to 1080p, however the display seems very blury and pixelated. I used to have a Late 2007 Macbook that I hooked up via mini display to HDMI and that displayed in perfect, crisp 1080p HD. Hopefully someone can help me figure out how to clear things up.

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http://ireckon.net/2013/03/force-rgb-mode-in-mac-os-x-to-fix-the-picture-quality -of-an-external-monitor

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I have a Gateway widescreen 1680x1050 resolution monitor plugged into my 13" Macbook Aluminum computer. When I have both my external and built in display turned on extended mode, my external monitor only goes up to 1600x1000 resolution, which is obviously lower than full-res. When I close the lid of my Macbook (and run the external display only), the external display goes up to full 1680x1050 resolution. Could someone please help me solve the problem of my Gateway external display going to less than full res on extended display mode.
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There is a clue here in what might be going on. Note that the MacBook's 1280x800 display is a 16:10 aspect ratio (exactly). Now, the external resolution that is reported by shmootz is 1600x1000 which is also a 16:10 ratio. It looks to me that the system is running as if it is in the mirrored mode. The video driver will force the displays to the same aspect ratio when running as mirrored displays.
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for the 1st issue:
press Fn + F4 or
win logo key + P
for 2 nd issue...
which screen?? laptop or external or???
try to find a button on the monitor with "AUTO" written on it.... press and hold it...
||-Although I am working on behalf of HP, I am speaking for myself and not for HP.-||
//Click on Kudos if my reply was helpful and answered your question//
||-If my answer solved the problem please mark the topic as the accepted solution-||

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Hello @23d150newbie,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I understand that you have a 1 inch border around your screen and you are looking to get rid of it. I would be happy to assist you, but first I would encourage you to post your product number for your computer as there are numerous HP Paviliion 23's. I am linking an HP Support document below that will show you how to find your product number. As well, if you could indicate which operating system you are using. And whether your operating system is 32-bit or 64-bit as with this and the product number I can provide you with accurate information.
How Do I Find My Model Number or Product Number?
Which Windows operating system am I running?
Is the Windows Version on My Computer 32-bit or 64-bit?
Please re-post with the requested information and I would be happy to provide you with assistance. Thank you for posting on the HP Forums. Have a great day!
Please click the "Thumbs Up" on the bottom right of this post to say thank you if you appreciate the support I provide!
Also be sure to mark my post as “Accept as Solution" if you feel my post solved your issue, it will help others who face the same challenge find the same solution.
Dunidar
I work on behalf of HP
Find out a bit more about me by checking out my profile!
"Customers don’t expect you to be perfect. They do expect you to fix things when they go wrong." ~ Donald Porter

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Hello @Bjenkins,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I have read your post on how your external monitor will not display full view Microsoft applications on your system, and that certain functions will not work on your desktop. How long ago did your applications work properly? I would be happy to help you, but first I would encourage you to post your product number for your computer. Below is a is an HP Support document that will demonstrate how to find your computer's product number. In addition, it will also help if you indicate which operating system you are using; and whether your operating system is 32 or 64 bit. The more information you can provide, the better!
How Do I Find My Model Number or Product Number?
Which Windows operating system am I running?
Is the Windows Version on My Computer 32-bit or 64-bit?
Please re-post with the necessary information, this way I will be able to research this further for you. I look forward to your reply!
Cheers!
MechPilot
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!

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Yikes!
Why do I download BUGGY BETA OS? When will I learn ? DON't DO IT!
(sorry for shouting...)
There are no short cuts, no work arounds, no simple solutions...only updates
Please Apple code monkeys ..tear down this problem.
Thanks.
I feel better already .
--Marconi

Try this: Use the [√]Mirror displays oprions, choose your resolution, then desect the [ ]Mirror displays.
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Last edited by herrvideman (2010-08-31 02:17:48)

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I am using the HDMI and the mini HDMI connectors.

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External monitor not displaying full 1920x1080 (black bars around desktop), Pavilion g6

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