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Thread: What happens plugging in both VGA & DVI?

  1. #1
    Join Date
    Jan 2009

    Default What happens plugging in both VGA & DVI?

    <o:p> </o:p>
    I am helping a friend. Just did a clean WinXP install on his system which has an Asus A7N8X motherboard, new SATA WD160 HD, 2GB SuperTalent matched pair RAM, a new Antec 430 earthwatts PSU, and a AMD Athlon XP 3000+ cpu. The video card was a Micro-Star Nvidia Geforce 2 MX400 with both VGA analog and DVI. He took it home and connected both DVI & VGA to the card and the monitor which is a Samsung 19" LCD.
    The computer worked very well when only DVI was connected at my place. It however, no longer booted properly at his place with both analog & digital connected. Now the Video Card is damaged.
    <o:p> </o:p>
    Is this connecting both VGA & DVI what caused the problem?
    He did say that he has had it connected that way for a long time with it working.
    Is it possible that the LCD monitor DAC circuitry could be damaged from this?
    <o:p> </o:p>
    Any advanced technical information will be appreciated.
    <o:p> </o:p>
    <o:p> </o:p>

  2. #2

    Default Re: What happens plugging in both VGA & DVI?

    Why would he want to connect both VGA and DVI cables to the same monitor and graphics card? :P
    He just needs to connect the DVI cable to the graphics card and monitor, that's all.

    Have also you tried any other graphics cards or monitors with his PC lately?
    Last edited by Prince iSO-1992; 01-22-2009 at 12:45 PM.
    » Motherboard.......: Gigabyte GA-EP43-DS3L (Intel P43 + ICH10)
    » CPU...............: Intel Core™ 2 Duo E7200 [2.53 GHz, FSB-1066 (OC'd to 3.16 GHz, FSB-1333)]
    » RAM...............: 2 × Corsair XMS2™ CM2X1024-6400C4 [DDR2-800 SDRAM]
    » Graphics Card.....: Gigabyte GV-NX96T512HP (NVIDIA GeForce™ 9600 GT)
    » Sound Card........: Creative Sound Blaster™ X-Fi Titanium PCI Express
    » Monitor...........: Samsung SyncMaster 204B
    » Hard Drive(s).....:
    »-» IDE Channel 0 Master (SATA Port 0).: Seagate Barracuda™ 7200.10 ST3320620AS
    »-» USB Storage........................: Seagate FreeAgent™ Desktop 1 TB
    » Optical Drive(s)..:
    »-» IDE Channel 4 Master (IDE Port)....: PIONEER DVR-110DBK
    » Operating System..: Microsoft Windows XP Professional + Service Pack 3
    » Power Supply Unit.: WideTECH ATX-500W (See PSU table below for more details)
    AC Input:
    » 200 V - 240 V
    » 50 Hz
    » 4 A
    DC Output:
    » +3.3 V..: 33 A
    » +5 V....: 28 A
    » +12 V...: 24 A
    » -12 V...: 1.0 A
    » +5 V SB.: 2.5 A
    » TOTAL OUTPUT: 500 Watts
    » Intel.V1.3/2.0/2.2

  3. #3
    Join Date
    Sep 2002

    Default Re: What happens plugging in both VGA & DVI?

    The monitor and the gpu should not be damaged by this, try an uninstall and driver cleaner run on the drivers then re install and try again with only the DVI connected.....

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