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Dual Monitor - resolution drop

Discussion in 'Hardware' started by paytontx12, Mar 31, 2008.

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  1. paytontx12

    paytontx12 Thread Starter

    Mar 31, 2008
    I have recently set up a dual monitor system on my PC. Looks great and works fine most of the time. Sometimes, however, especially when my computer is working hard (i.e. when i can hear the CPU humming) or often when i access 'programs' on the Start Menu, the screen on my Primary Display goes black for a second or two, and when it returns the resolution has dropped a few notches. I keep both monitors on their highest possible resolution. The primary usually drops from 1680 x 1050 to 1440 x 900. I even purchased a new graphics card in order to set this system up.
    My secondary (smaller) monitor remains unchanged.

    Does anyone know what could be causing this???

    some specs:
    OS: Windows XP - Home (2002)
    PC: Dell Dimension 1100 - DE051
    Processor: Intel Pentium 4 - 2.8 GHz
    Primary: LG 22'' Flatron Wide (L226W)
    Secondary: Dell 17" ??
    Graphics Card: NVIDIA GeForce FX 5200
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