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Acer Aspire not booting

Running on Win Vista Ultimate x64.
Computer was shut down normally last night.
This morning, when turned on, HDD led and DVD led keep flashing intermitently. Power and battery leds are lit normally. Power button also lit.
DVD drive keeps making noise as if it was reading a disc, although no disc is inserted on DVD tray.
Nothing shows up on screen (remains as if it was turned off); no BIOS or OS error messages.
Tried the hard reset (remove battery, then hold Power button for 30 secs, release, connect AC adapter and turn on). Same thing happens.
Any help is greatly appreciated.

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  • rtarrial Dec 05, 2008

    Thanks for asking! And sorry for the omission :P
    It's an Acer Aspire 4520.

    Additional info: some time ago (about 6 months), had a similar issue, but that time no LEDs turned on; computer was 'dead'. Turns out apparently was a static energy issue or something. I just let the notebook rest overnight with no batt or AC plugged in, and the morning after it came back to life.
    Would you recommend me to do the same this time? Just let it unplugged for a while?


  • rtarrial Dec 05, 2008

    Hey, thanks for your analysis. Unfortunately, I can't even get access the BIOS since not even the Acer logo screen shows up. All I get is a blank screen.
    Also, the first time I tried I could open the DVD drive tray; now it just won't respond.
    It seems the computer is trying to read the HDD, and it fails to do so. Next, it tries to read the DVD drive and also fails, then goes back to HDD.
    This behavior keeps repeating: HDD flashes twice, then DVD flashes about 4 times, after that HDD again, and so on. It keeps repeating until I power off.
    Strange thing is, everything was running normally last time I used it (less than 24 hours ago!)


  • Gav Shaw May 11, 2010

    What Model Number Acer Aspire is iit?


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I'm inclined to believe something is going on with the DVD drive, perhaps a I/O cable or driver issue, it just seems like what you said about the drive sounding like it's trying to read is a clue, what I would try if you have not already ,is since you said you can get to get to the Bios usually the default for boot sequence is CD/DVD drive first unless you change it, see if you can change the boot sequence from DVD drive first to HDD first and see if you can bypass it, then it might just boot, if that works then that was the cause,I see no other reason why the Drive should be trying to read other than the boot sequence. if not then it might be more complicated and could be a hardware issue somewhere,

Hoep this helps.

Posted on Dec 05, 2008

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Posted on Jan 02, 2017

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