ThinkPad T520 hdd led always on

T400/410/420 and T500/510/520 series specific matters only
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luca9903
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Joined: Tue Jun 02, 2015 1:23 pm
Location: Italy, Milan

ThinkPad T520 hdd led always on

#1 Post by luca9903 » Sun Aug 13, 2017 3:40 am

Hi, I recently bought a T520 with quad core i7 and nvidia graphic. When I turn it on the hdd led blink normally but after few minutes it stays on (the light is on and it doesn't blink) while the disk usage is low or 0% (I have a intel msata 310 ssd and the thinkpad mechanic disk inside). I noticed that if I push the optical drive button it starts blinking and works normally. If I remove it from ultrabay the led works normally. The BIOS is updated and i Tried with another ODD form a T520 with the working led.

What Can I do? Why the led is always on?

Thanks in advance, Best Regards.
T520 4242-AK7 WIN 10
X220 4290-Y11 WIN 10 *SOLD*
X61 7674-BA6 WIN 7 *SOLD*
T40 2373-42G WIN Vista SP2 *DEAD*
T60 2007-WJJ 15'' IPS Flex-View WIN 7
T43 2668-WDA 15'' IPS Flex-View WIN 7
X41 2525-AE5 WIN Vista SP2
T400 6475-J92 WIN 7

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