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Lenovo IdeaPad Y580 won't boot

Discussion in 'Hardware' started by Vaseer42, Jun 6, 2019.

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  1. Vaseer42

    Vaseer42 Thread Starter

    Jun 6, 2019
    I have Lenovo IdeaPad Y580 that won't boot. When I power it on, keyboard lights up, fan turns on and that's it. There is no Lenovo logo on display as normally was on boot. If I left it powered up nothing changes (I have left it running for several hours and nothing happened).
    Only change is that in bottom left corner (where RAM slots are) it get quite warm, almost hot - warmer/hotter than when it was working normally.
    What have I tried so far:
    - Removed RAM (2x 8GB sticks; checked both stick with different slots; with only one stick (A and B stick only)).
    When I removed one of the sticks (A or B, it does not matter; tried different slots...) and power up computer, it keeps rebooting on power up. It powers up and after 3-5 seconds reboots and keeps rebooting. If I remove both sticks and power it up with no RAM it starts but hang on black screen, keyboard lit up and no Lenovo logo.
    - Tested with original RAM sticks that came with PC (2x 4GB). What ever the combination, PC keeps rebooting after 3-5 seconds.
    I upgraded RAM to 2x 8GB 2 years ago and it was working fine until now. I installed 2x 4GB sticks in different PC and it is working fine.
    - Removed mSATA SSD and SATA HDD. PC boots up and hangs on black screen with keyboard lit up.
    - Removed RAM, mSATA SSD and SATA HDD. PC boots up and hangs on black screen with keyboard lit up.

    Sometimes after many reboots and waiting on power up, keyboard backlight turns off, Lenovo logo displays and PC boots in OS and it works fine. Without any problems. Until next power off (I do not remember what happens if I reboot PC (does it hang on boot or does it boot normally)).

    When PC hangs on boot I can't access BIOS.

    Any suggestions what to try next?
  2. lunarlander


    Sep 21, 2007
    When different RAM sticks don't work in combination, it is either the RAM is bad or the RAM slots are bad.
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