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Faulty motherboard or HDD or Power supply?

Tags:
  • Corsair
  • Hard Drives
  • TP-Link
  • Motherboards
  • Asus
  • Western Digital
Last response: in Motherboards
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October 13, 2014 7:47:07 AM

Hi,

I bought a motherboard last summer (ASUS M5A97 LE R2.0) and I have already opened a thread about that it is not recognizing neither of the wifi cards I've tried to put into it. Before I turn on sleep mode. Because the PC boots up, and the Windows can't see any PCI devices (luckily the video card is working :D ), but after I turn on sleep mode and wake it up it works perfectly. It recognizes the hardware and installs it without any problem. So I have to do this procedure every day.

But there's another disturbing problem. And this is more serious. Because my hard drive (that is new as well) disconnects randomly. Usually it disconnects when nobody is working with the computer, so I go away, and when I return I see that "Please enter a proper boot device and restart". But sometimes it disconnects while working (fun fact: most of the times it disconnected while I was trying to open Steam).

So what is the problem with my computer? I can't understand.

(Anyway one of my friends has ASUS motherboard too, and when we tried to make a LAN party we put a wifi PCI card into his computer and it didn't recognize it too. Maybe there's something in the BIOS which I should turn on? And what is this random HDD disconnecting? Anywas my DVD writer/player is SATA as well and it never disconnects)

Operating System: Windows 8 Pro x64
Config:
ASUS M5A97 LE R2.0
AMD FX-6100
2x4 GB Kingston HyperX Blu 1600Mhz memory
Gigabyte R7 250 2GB GDDR5

The power supply: Corsair VS550
The wifi card: TP-Link TL-WN851N (and I tried a 751N as well and I tried them both on Windows 8 and 7)
The HDD: WD Caviar Blue 1TB 7200rpm 64MB SATA3


So what do you think? (Now I changed SATA cable, and see what happens).
Is it the fault of the motherboard or the power supply? Or the HDD? (The wifi card operates fine in other Windows 8 PCs).

More about : faulty motherboard hdd power supply

October 13, 2014 8:45:27 AM

Now it crashed again. Now it was working because it was installing contents into a game.
What can the problem be? I tried it in differenst SATA slots and with different cables. When I press reset I can clearly see it in the bios that there's no HDD. After I switch off the Power Supply and on again, and it'll work again. Before stopping working completely, at the beginning of freezing the HDD activity LED was lighting continually. And then just turned itself off.
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October 13, 2014 2:35:39 PM

Since that time it has worked fine. It seems that if the disk activity is high the HDD will just stop working and disconnect. :/ 
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October 15, 2014 6:20:52 AM

Any answers?
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October 15, 2014 6:52:38 AM

Hi there Peter Koppa,

You can just test your HDD with the WD's Data Lifeguard Diagnostic tool and what the results will show. Though, the best way to check whether the HDD is the cause of the issue is to just try to attach it to your friend's computer and see whether the problem will persist.
I doubt that the PSU may be causing the problem. Again, if you switch yours with another one for a while you can rule that out as a cause eventually.

WD DLG tool: http://support.wdc.com/product/download.asp?groupid=810...

Cheers,
D_Know_WD
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