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A7V8X won't boot. has power. no beeps or display

By fucdemas
Jan 6, 2007
  1. all is well
     
  2. mailpup

    mailpup TS Special Forces Posts: 6,980   +362

    Perhaps the two RAM's use different voltages. One might be more tolerant than the other with incorrect voltages.
     
  3. formetopoopon90

    formetopoopon90 TS Rookie

    i had the same "start up" problem many-a-time. Just take out every single thing in your case and disconnect everything connected to the motherboard, example: take out ram, video card, psu, etc.. When everything is totally disconnected from each other and placed spread out on a table or whatnot, then.....put it all back in. I'm not exactly sure what it is but that has helped me a lot when it comes to the 15 seconds of fame. haha
     
  4. fucdemas

    fucdemas TS Rookie Topic Starter

    duh!

    mailpup:

    you mentioned ram voltages... i mentioned that i reinstalled one stick of ram that was working in the original machine. so since it was working with that originally the voltages must have been good. no? correct me if i'm wrong :)

    formetopoopon90: as i wrote already; i took everything out except for the psu connection. so that means no cpu, ram or video or hard drives or anything. and the machine gave me a "no cpu detected" error.

    when i popped the cpu in it froze
     
  5. N3051M

    N3051M TS Evangelist Posts: 2,115

    Read:
    Updating ram & troubleshooting
    Tutorial: NO POST / Power General troublshooting

    Dell uses (most of the time) proprietary RAM modules that work only on their systems/particular models. It may not be compatible with your ASUS motherboard. Check the Asus Website for whats compatible, and if that ram from the DELL matches those requirements.

    a way to know for sure its incompatible is if you can't boot past POST or if the memtest fails (link in my signature)
     
  6. Tedster

    Tedster Techspot old timer..... Posts: 6,000   +15

    in addition Asus motherboards are VERY picky about types of RAM they'll accept as stated in my guide.
     
  7. fucdemas

    fucdemas TS Rookie Topic Starter

    regarding picky ram and proprietary ram.

    i stuck the old ram back in the case.

    so in theory the machine should return to normal.

    no?
     
  8. kitty500cat

    kitty500cat TS Evangelist Posts: 2,154   +6

    Try it and see. Or please specify if you did.
     
  9. fucdemas

    fucdemas TS Rookie Topic Starter

    I did try it with the old ram. i mentioned that in my first post.
     
  10. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    What about changing the power supply...
     
  11. kitty500cat

    kitty500cat TS Evangelist Posts: 2,154   +6

    Ooops, sorry, my problem. I don't know what else to tell you then.

    Cheers :)
     
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