Display setting randomly switching

Duncandog

New Member
My desktop PC was hooked up to my TV and would randomly switch to using the TV as the main monitor often disabling my monitor. I thought it was my NVIDIA card so I upgraded to a newer ATI card. The new card has 2 monitor outputs and a S-video output. The problem no appears to only happen overnight. The next morning my PC is still on and awake but the display is changed to a lower setting. I have to enable a second monitor, which i do not have, before it will allow me to fix the resolution of the monitor I do have. Right now I have a bigger problem where it looks like it switched the TV to being the main monitor and I no longer have a TV hooked up (Its mounted on another floor of my house) so I cannot get to the screen to fix the problem. I tried plugging the monitor into the other port (sometimes it just switches ports) but that is not the problem. Thanks for any help.
 

My Computer

hm... is your monitor turning off during the night? and that causing the change?
 

My Computer

System One

  • Manufacturer/Model
    Acer, Aspire M1201\Custom Build
    CPU
    AMD Athlon X2 5000+ @ 2.6Ghz
    Motherboard
    Acer Micro-ATX Motherboard
    Memory
    2x2gb Patriot Viper DDR2 PC6400 @ 800mhz Dual Channel SLI Edition (4-4-4-12)
    Graphics Card(s)
    ATI HD3870 with 512mb GDDR4
    Sound Card
    Realtek HD 7.1 Onboard Sound
    Monitor(s) Displays
    22" Acer X223 Widescreen
    Screen Resolution
    1680 X 1050
    Hard Drives
    320gb Western Digital SATA II (Ubuntu 9.10)
    500gb Seagate SATA II
    1tb Seagate SATA II (Vista Home Premium)
    PSU
    ULTRA X3 600 Watt Modular
    Case
    NZXT Tempest (The Airflow King) 2x 140mm Fans, 4x 120mm Fans
    Cooling
    1x 135mm In PSU, 1x 70mm On CPU, And 1x 120mm On GPU
    Keyboard
    Microsoft Sidewinder X6
    Mouse
    Microsoft Sidewinder X5
    Internet Speed
    6 Mbs Down 1 Mbs Up
    Other Info
    AVerMedia 1500MCE TV Tuner
    Logitech X540 5.1 Surround Sound
hm... which driver are you using?
 

My Computer

System One

  • Manufacturer/Model
    Acer, Aspire M1201\Custom Build
    CPU
    AMD Athlon X2 5000+ @ 2.6Ghz
    Motherboard
    Acer Micro-ATX Motherboard
    Memory
    2x2gb Patriot Viper DDR2 PC6400 @ 800mhz Dual Channel SLI Edition (4-4-4-12)
    Graphics Card(s)
    ATI HD3870 with 512mb GDDR4
    Sound Card
    Realtek HD 7.1 Onboard Sound
    Monitor(s) Displays
    22" Acer X223 Widescreen
    Screen Resolution
    1680 X 1050
    Hard Drives
    320gb Western Digital SATA II (Ubuntu 9.10)
    500gb Seagate SATA II
    1tb Seagate SATA II (Vista Home Premium)
    PSU
    ULTRA X3 600 Watt Modular
    Case
    NZXT Tempest (The Airflow King) 2x 140mm Fans, 4x 120mm Fans
    Cooling
    1x 135mm In PSU, 1x 70mm On CPU, And 1x 120mm On GPU
    Keyboard
    Microsoft Sidewinder X6
    Mouse
    Microsoft Sidewinder X5
    Internet Speed
    6 Mbs Down 1 Mbs Up
    Other Info
    AVerMedia 1500MCE TV Tuner
    Logitech X540 5.1 Surround Sound
ATI Radeon HD 4650 ver. 8.620.0.0 I don't remember what the driver name and version for the NVIDIA card was but had the same problem. Pretty sure its a Vista problem and not a card problem. (2 cards same problem).
 

My Computer

hm..... have you got a spare harddrive to do a clean install and test and see if its vista?
 

My Computer

System One

  • Manufacturer/Model
    Acer, Aspire M1201\Custom Build
    CPU
    AMD Athlon X2 5000+ @ 2.6Ghz
    Motherboard
    Acer Micro-ATX Motherboard
    Memory
    2x2gb Patriot Viper DDR2 PC6400 @ 800mhz Dual Channel SLI Edition (4-4-4-12)
    Graphics Card(s)
    ATI HD3870 with 512mb GDDR4
    Sound Card
    Realtek HD 7.1 Onboard Sound
    Monitor(s) Displays
    22" Acer X223 Widescreen
    Screen Resolution
    1680 X 1050
    Hard Drives
    320gb Western Digital SATA II (Ubuntu 9.10)
    500gb Seagate SATA II
    1tb Seagate SATA II (Vista Home Premium)
    PSU
    ULTRA X3 600 Watt Modular
    Case
    NZXT Tempest (The Airflow King) 2x 140mm Fans, 4x 120mm Fans
    Cooling
    1x 135mm In PSU, 1x 70mm On CPU, And 1x 120mm On GPU
    Keyboard
    Microsoft Sidewinder X6
    Mouse
    Microsoft Sidewinder X5
    Internet Speed
    6 Mbs Down 1 Mbs Up
    Other Info
    AVerMedia 1500MCE TV Tuner
    Logitech X540 5.1 Surround Sound
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