Lost Monitor Resolution

Questions about hardware and drivers
Forum rules
Before you post please read this

Lost Monitor Resolution

Postby wwoof on Wed Mar 09, 2011 12:53 pm

I've been using this version since the beginning and not had any problems until just recently. One day I powered up and suddenly the resolution for my monitor was set at 1024X768 which is a much lower resolution than I was using. The 'monitor detect' button does nothing. I dual boot with XP on the other side and the resolution is just fine when using it.

Has there been any glitches in recent downloads? I have scoured the net for Linux drivers for my Westinghouse monitor and nothing has come up. My small box uses an Atom chip with Intel graphics.

Please help me get this video back to 'normal'.
wwoof
Level 1
Level 1
 
Posts: 36
Joined: Sun May 10, 2009 9:27 pm

Linux Mint is funded by ads and donations.
 

Re: Lost Monitor Resolution

Postby viking777 on Wed Mar 09, 2011 1:37 pm

One day I powered up and suddenly the resolution for my monitor was set at 1024X768 which is a much lower resolution than I was using......


Can you pin it down a little more accurately than 'one day'?

Has there been any glitches in recent downloads?


None that I have read about that cause this sort of problem, but maybe you are the first to report them?

If it is an update that caused this then you need to be a bit more precise. Both the package manager and the update manager have a 'history' section. In the 'view' menu in update manager and in the 'file' menu in package manager.

Have a look through those and see if any graphic related program was updated just before 'one day'. That might give you, or the forum members a better clue as to what has caused this problem.
Fujitsu Lifebook AH532. Intel i5 processor, 6Gb ram, Intel HD3000 graphics, Intel Audio/wifi. Realtek RTL8111/8168B Ethernet.Lubuntu 13.10,Ubuntu12.10 (Unity), Mint16 (Cinnamon), Manjaro (Xfce).
Image
User avatar
viking777
Level 14
Level 14
 
Posts: 5153
Joined: Mon Dec 01, 2008 11:21 am

Re: Lost Monitor Resolution

Postby wwoof on Wed Mar 09, 2011 4:05 pm

Checked history and I deleted VLC on 2/28 as it seemed to be acting up when I tried to use it. I also noticed that whenever I tried to view youtubes that the first video was fine and the rest were red tinted. This continued after I removed VLC. I reinstalled VLC on 3/8 and the red tint on youtube continues. So, this red tint thing started before I lost the resolution settings I was using. The red tint thing is only on youtube which is kind of mystifying.

Before I reinstalled VLC I had a problem with my USB ports. When I removed my cell phone USB plug I started getting a device error message in both XP and Debe. It finally cleared up when I plugged a flash drive into a rear port. The resolution problem occurred as this situation was going on. Sounds crazy, I know.

Since things seem to be fine on the XP side I can't help but think I have a driver problem.
wwoof
Level 1
Level 1
 
Posts: 36
Joined: Sun May 10, 2009 9:27 pm

Re: Lost Monitor Resolution

Postby viking777 on Thu Mar 10, 2011 5:26 am

Very strange behaviour.

Let's make sure you have all available updates installed and see if that makes a difference.

Code: Select all
sudo apt-get update && sudo apt-get dist-upgrade
Fujitsu Lifebook AH532. Intel i5 processor, 6Gb ram, Intel HD3000 graphics, Intel Audio/wifi. Realtek RTL8111/8168B Ethernet.Lubuntu 13.10,Ubuntu12.10 (Unity), Mint16 (Cinnamon), Manjaro (Xfce).
Image
User avatar
viking777
Level 14
Level 14
 
Posts: 5153
Joined: Mon Dec 01, 2008 11:21 am

Re: Lost Monitor Resolution

Postby wwoof on Thu Mar 10, 2011 4:16 pm

Wow, that some line of code. Even though I update daily it downloaded 40MB of files. But still no change to the 'unknown monitor' situation. Detect button depresses for a moment and no changes occur.

Is it possible that a newer driver went in that no longer recognizes my monitor? Since Westinghouse doesn't even have a linux driver their must have been a generic in Debian that is some how gone, now?
wwoof
Level 1
Level 1
 
Posts: 36
Joined: Sun May 10, 2009 9:27 pm

Re: Lost Monitor Resolution

Postby viking777 on Fri Mar 11, 2011 7:09 am

To give me some more information could you try these two terminal commands. First:

Code: Select all
lspci | grep -i vga


(Which you can copy and paste if you wish)

My system returns this:
Code: Select all
01:00.0 VGA compatible controller: nVidia Corporation G86 [GeForce 8600M GS] (rev a1)


Then using the numbers at the beginning of the output from command #1 you construct command #2. In my case it would be this:

Code: Select all
lspci -s 01:00.0 -v


(which you can't copy and paste - unless the numbers are the same?)

All you need to do is to substitute the numbers I have put in for the numbers that you get from the first command.

Then post the output of the second command here.

Thanks.
Fujitsu Lifebook AH532. Intel i5 processor, 6Gb ram, Intel HD3000 graphics, Intel Audio/wifi. Realtek RTL8111/8168B Ethernet.Lubuntu 13.10,Ubuntu12.10 (Unity), Mint16 (Cinnamon), Manjaro (Xfce).
Image
User avatar
viking777
Level 14
Level 14
 
Posts: 5153
Joined: Mon Dec 01, 2008 11:21 am


Return to Hardware Support

Who is online

Users browsing this forum: No registered users and 2 guests