Very strange optical drive/power issue

L

LFletcher

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Joined
May 24, 2010
Messages
41
Ok, this is really strange.

One of my optical drives isn't reading some disks as it should, so I took it out of my system to RMA it today.

Once I took it out of my system, it stopped booting into Windows. Most of the time it won't even get to the bios screen before the power cuts out. The closest it gets to booting into windows 7 is the starting screen, but then the power shuts out again.

If I plug the optical drive back into the power, then the pc boots fine again. It's very strange indeed.

Has anyone ever seen an issue like this before?

My first instinct was overheating, but I've checked the temps and the CPU is relatively cool (less than 40 C).

My next option is that it's a PSU, but with the optical drive plugged in, the pc has never shown any signs of power issues.

Outside of that the pc has been stable for the last 18 months and hasn't recently shown any signs of any issues at all.

Ideas welcome.
 
Spec is;

Core i7 2600K
Asus Maximus IV Extreme-Z
16GB Corsair RAM
Radeon HD 5850 GPU
Zalman ZM850-HP PSU

There's also a Samsung SSD running the OS and an LSI Raid controller running 3 x 2TB Hitachi drives.
On top of that there were 5 optical drives attached. An LG BD/HDDVD drive, Pioneer BD205 and BD207 and 2x Teac 224's.

It was upon removing the Pioneer BD207 that the issues started.
 
Do you have a spare DVD drive to hook up to the PSU?
Do you have a spare PSU?
Have you tried re-arranging the power cables? I.e the power cable that was powering the DVD is now powering the HDD, etc.
 
So I purchased another BD drive and a new PSU.

Swapped the new BD drive (Pioneer 208) in place of the BD207 and although the pc booted, the keyboard no longer worked.

So then swapped the old PSU for the new one I purchased (Corsair 860i) and everything was working as expected.

So it seems it was the PSU all along.
 
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