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    Aspire 5670 starts but does nothing?

    Discussion in 'Acer' started by zack247, Mar 14, 2011.

  1. zack247

    zack247 Newbie

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    Hi everybody, a little while ago i got myself a new laptop, (well it was new to me, i got it used) it was an acer aspire 5670. I installed a 160gb hard drive and 2gb of ram, and for about a month it has been working fine. I had it apart to clean it today, (all the way apart) and it was working fine when i tested it when it was half back together. (ie: the motherboard was in the bottom half of the bottom shell but the upper half of the bottom half was not on yet, screen was attached)

    but, strangely, after i got it all back together, the laptop didnt turn on the hard drive and it didnt turn on the screen. not even the backlight turned on, and the hard drive didnt spin up.
    What was strange, was the fact that the fan started for a few seconds, then stopped followeed by a whining noise coming from the area of the CPU, not the fan. the power LEDs were still on but the laptop still did nothing. no beeps, no noises (other than the whining) no nothing. another strange thing was that the cd drive does its check once when the system starts up, and once before the fan cuts out. (about 30 sec. apart)

    I tried switching out the ram with known good ram and it still didnt work. i tested the hard drive (sata) with a desktop and it works fine. i tried a static discharge too but the laptop still refuses to work normally. using just the charger, just the battery or both at the same time did nothing, and neither did unplugging and plugging in the bios battery. removing the cd drive didnt do anything either.

    does anyone have any idea what might be wrong with my laptop? is it the cpu? the motherboard?

    PS: there are two chips inside the bottom cover that get extremely hot, another one under the card reader that gets quite hot, and one under the keyboard that gets hot too. all of these burn to the touch after about 30 mins of the laptop being used. even through the plastic.
    the two plain sight chips are a intel chip and broadcom chip, the one under the card reader is a texas instruments chip and the one under the keyboard, well i dont know that one.

    still does anyone know whats wrong?
     
    zack247, Mar 14, 2011
    #1