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Author Topic: Emachine T6420 Won't turn on.  (Read 8677 times)

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firedog11ku

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    Emachine T6420 Won't turn on.
    « on: November 24, 2009, 03:12:41 PM »
    I have a Emachine T6420.  Bought it a couple of years ago.  It was working fine, then locked up.  Now, the power comes on (Power light, fans, DVD-rom and the HD light), but it never attempts to start windows.  I cleaned the RAM and case, and set up the HD as a slave on another computer to make sure that it hadn't crashed (it still works fine).  What else could be the issue?  Thanks for the help.
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    Allan

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    Re: Emachine T6420 Won't turn on.
    « Reply #1 on: November 24, 2009, 03:13:25 PM »
    Exactly how far does the boot process get?
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    firedog11ku

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      Re: Emachine T6420 Won't turn on.
      « Reply #2 on: November 24, 2009, 05:02:03 PM »
      It doesn't even start enough to get to the setup screen, so I'd guess that the bios doesn't even start.
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      Computer_Commando



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      Re: Emachine T6420 Won't turn on.
      « Reply #3 on: November 24, 2009, 05:12:34 PM »
      Can you manually enter BIOS Setup?
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      dahlarbear



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        Re: Emachine T6420 Won't turn on.
        « Reply #4 on: November 24, 2009, 05:13:56 PM »
        Does anything display on the monitor at any time during the startup process?
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        firedog11ku

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          Re: Emachine T6420 Won't turn on.
          « Reply #5 on: November 24, 2009, 05:16:22 PM »
          No, I can't get into the bios.  The screen just stays blank.  It does switch the monitor out of sleep, but that's it.
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          Computer_Commando



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          Re: Emachine T6420 Won't turn on.
          « Reply #6 on: November 24, 2009, 05:22:25 PM »
          Quote from: firedog11ku on November 24, 2009, 05:16:22 PM
          No, I can't get into the bios.  The screen just stays blank.  It does switch the monitor out of sleep, but that's it.
          Maybe it's on the screen but you can't see it because the onboard graphics is dead or the monitor is dead.  Try another monitor, first.
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          firedog11ku

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            Re: Emachine T6420 Won't turn on.
            « Reply #7 on: November 24, 2009, 05:33:38 PM »
            The monitor works when used with another computer.  I also tried another graphics card and still nothing.
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            Computer_Commando



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            Re: Emachine T6420 Won't turn on.
            « Reply #8 on: November 24, 2009, 06:32:16 PM »
            I think Motherboard is a gonner, but you can try disconnecting everything except monitor & keyboard.  Remove HDD, CD, mouse, etc. just to see if you can get to BIOS.
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            firedog11ku

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              Re: Emachine T6420 Won't turn on.
              « Reply #9 on: November 24, 2009, 06:48:35 PM »
              Thanks, I'll give it a try.
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              firedog11ku

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                Re: Emachine T6420 Won't turn on.
                « Reply #10 on: November 25, 2009, 07:18:39 AM »
                Well, I unhooked everything, but the motherboard w/ the memory installed.  The lights on the keyboard blink every 2 seconds, but nothing happens. :-[  I take that the mother board is fried?
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                patio

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                Re: Emachine T6420 Won't turn on.
                « Reply #11 on: November 25, 2009, 07:35:56 AM »
                Try with only i stik of RAM in the slot closest to the CPU...
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                firedog11ku

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                  Re: Emachine T6420 Won't turn on.
                  « Reply #12 on: December 07, 2009, 11:45:28 AM »
                  I tried the single RAM and still nothing.  The lights on the keyboard don't even light.  Any more suggestions.  What is the likely hood that the Power supply is bad?
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                  Computer_Commando



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                  Re: Emachine T6420 Won't turn on.
                  « Reply #13 on: December 07, 2009, 02:14:07 PM »
                  Quote from: firedog11ku on December 07, 2009, 11:45:28 AM
                  ...What is the likely hood that the Power supply is bad?
                  It's possible the +3.3V is out, +5, & +12 appear to be okay.
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                  dahlarbear



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                    Re: Emachine T6420 Won't turn on.
                    « Reply #14 on: December 07, 2009, 07:29:34 PM »
                    Quote from: firedog11ku on November 25, 2009, 07:18:39 AM
                    Well, I unhooked everything, but the motherboard w/ the memory installed.  The lights on the keyboard blink every 2 seconds, but nothing happens.

                    Quote from: firedog11ku on December 07, 2009, 11:45:28 AM
                    I tried the single RAM and still nothing.  The lights on the keyboard don't even light.  Any more suggestions.

                    Have you tried it with the "other" single stick of RAM in slot closest to CPU?  Perhaps in another slot?
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