Impossible to get good resolution on external monitor for laptop

I am struggling with this situation of resolution of external monitor for the past two weeks. Since the research I did, it is a very common question; However, I did find a solution. I tried all the solutions have not been successful. I hope someone here can help you.

Asus K50IJ laptop

Win 7 Home Premium 64 - Bit SP1

Intel Core2Duo T6600

4 GB OF RAM

Mobile Intel 4 Series Express Chipset Family

Monitor is Samsung SC750_S24C750P connected with VGA cable (laptop doesn't have a HDMI output)

I reinstalled the drivers for the graphics card; current driver is 8.15.10.2302 of 11/02/2011

I reinstalled the drivers for the monitor; current driver is 1.0.0.0 11 13, 2012

Monitor is currently appearing as "HDMI" in the Device Manager; I have chosen "Analogue" and had the same results. Now & then I see "Generic PnP monitor" in the Device Manager. whenever I see it I uninstall it.

Bottom line is this: settings keep bouncing everywhere. On rare occasions, I saw the picture I want on the external monitor; When I close the lid on my computer (that's why I bought the external monitor - so I can get a bigger picture, not two), the resolution is 1024 x 768. When I disconnect the external monitor, I get the correct image and ratio 16:9 (1366 x 768) on my laptop screen. When I connect the external monitor I have two choices for the resolution: 800 x 600 or 1024 x 768.

I went to the Intel graphics properties tool and set a resolution to 1920 x 1080 at 60 Hz - 32 bit - proposed by Samsung for their monitor. Result 7 choices of resolution, no '' recommended '' and the higher tag 1366 x 768. I can live with 1280 x 720; When I choose this resolution or anything higher, the laptop screen is superb, but the image on the external monitor covers 1/4 of the screen - the rest is black. Reset the external monitor doesn't change anything.  Computer restarting does not help. Monitor disconnect/reconnect does not help. I tried this routine dozens of times.

I really need to use the external monitor, and I need the image proportional. Is there a way to do this?

Separated from: http://answers.Microsoft.com/en-us/Windows/Forum/windows_7-hardware/cant-get-right-resolution-on-external-monitor-for/f3680ff9-684c-428E-a6ac-74fe4171a845

Hi, thanks for the response.

I saw this on the Intel Web site so I tried mode extended without change.

If I had 1366 x 768 on both screens, I would have been delighted - instead, I had two choices on my external monitor: 4:3, covering the entire screen with a distorted image, or 16:9 which covers about 40% of the screen.

The most likely explanation I can think of is that the external monitor 4:3, I used in the past has left a kind of preference file in my computer which could not be changed, so he kept coming back to 4:3 instead of 16:9. I thought the problem might be the VGA - VGA cable, but this does not explain why I was unable to cover the entire screen on my external monitor with something other than a distorted picture.

Using the past because I was forced to buy a new laptop. As soon as I plugged on the external monitor, everything was perfect.

Thanks again for your help.

Tags: Windows

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