Looking For Answers Of A Hard Drive That Went Up In Flames

Jun 9, 2018
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Hey Everyone,
I have a PC I received From my local Computer Recycling Depot, That was like a fish tank when I received it... I had disassembled the whole PC, and let it dry throughly and Everything was working for like 2-3 weeks or so. Anyway, thats not the reason Im Here, I am here because My WD2500BPVT 2.5 Inch Hard Disk started a fire.... I was also doing something beforehand that may influence the reason for a fire to break out... I had the PC Which is a Dell Optiplex 990 At my Cabin for last night, I have brought it back home, And when I plugged it in, It wouldn't boot or anything... (I was using the OEM PSU That came with the PC) I unplugged the HDD to see if it was causing the PC to not boot. After I was 100% Confident that it wasnt the HDD, I moved to a Different PSU, which Is A EVGA - 80 PLUS 600W ATX 12V/EPS 12V Power Supply - Black (CERTIFIED REFURBISHED) that I purchased from Newegg. It still didnt do anything, so I reseated my ram like 20 times to see if it was a RAM Slot or one of my RAM Sticks itself. I eventually found out it was the ram, after I powercycled my PC Like 30 times to find out.... So, after I got it working I reconnected the Original PSU and powered it up and..... I saw SMOKE And Within 5 seconds or so I then saw a FIRE I then Obviously rushed to the plug to pull it out (So i dont burn down my house) And I waited a few minutes then grabbed my HDD And in the top left corner there is a Black spot, I just dont know why it caught fire, the PSU Is clear and everything else looks good... Anyone have any answers?
 
Many people assume drives start fires, when faulty SATA pwr cables are far more likely to short and meltdown/catch fire than the actual drive's components....

However, almost anything can burn at one time or another....

Is you black spot at the 4 wire power input connector? or on the drive itself?
 
If it had been wet a long time, mould can start to grow; now believe it or not, mould is slightly conductive, so electricity can track across it.

However it isnt a GOOD conductor, so heat is also caused, eventually burning its way through plastics and possibly igniting them.