USB Hard Drives stoping computer booting.

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6 Feb 2009
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Hi.

Need some advice please.

I have had 4 hard drives connected to my computer (2 x 1TB and 1 x Caddy with 2 1TB drives in). Had the odd problem like the one I am about to explain but not to this level.

I have just modified the set up slightly - I now have this arrangement.
2 x Western Digital USB External Drives (1TB Ea)
1 x 750GB Maxtor USB Drive
2 x Caddies each with 2 x 1 TB drives (4 drives total) - in Icybox hot swap caddies

These connect to a D-Link 7 port USB hub, and this connects to the computer via a 5m USB cable (across the room nearly).

The drives have started playing up - they randomly unmount from the computer and I have to turn them on and off. However even worse is it now seems when they are connceted, the computer will not boot. It gets past the first POST screen (detects CPU/MEM and internal drives) and then resets and loops. When I disconnect the 5m cable from the USB hub - the computer starts.

Now I dont have time right now to do some testing to nail the cause - though I suspect the number of devices/drives connected to the hub - then connected through one LONG 5m USB cable is more than likely to do with it?

Power shouldn't be an issue - connects to a Belkin 8plug surgemaster.

Does anyone have any advice before I start moving stuff around? If it is the number of devices over the long 5m cable, does anyone have any ideas how I can keep everything where while keeping a solid connection that isn't going to cause problems?

Many thanks.
 
See if you can disable the boot from usb feature in the bios.

Try booting with each device, on it's own. If that works try two at a time and so on. Work out when it craps out.

And yeah, try a shorter cable too.
 
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