Drive letter assignment is lost upon reboot


G

Guest

I have 2 DVD drives and 2 hard drives. The primary hard drive is my o/s (C:)
and the secondary hard drive is all of my data and is dynamically partitioned
into 3 volumes which I assigned to D:, E: and F:. I assigned the primary DVD
drive to R: and the secondary DVD drive to S:. This configuration has been
in place and operational for the last year (since I purchased this computer).

Yesterday I allowed Windows Update to run, and then I rebooted my system.
Upon reboot, my secondary DVD-Rom drive, which had previously been directed
to use S: , was now taking D: and as a result, my second hard drive which is
partitioned into 3 volumes (D:, E: & F:) had all been pushed to E:, F: & G:.
I used Disk Management to reset the DVD-Rom drive back to S: and every time I
reboot it returns to D:.

I did a system restore to the prior day's set point and that didn't fix the
problem. I tried removing the DVD drivers and allowing Windows to reinstall
them, and that didn't fix the problem. Finally I simply had to disconnect
the secondary DVD drive so that I could reset my data drives back to D:, E: &
F: so that I could access my email and hopefully find a real solution to this
problem.

This sounds like Windows Update corrupted something (perhaps in the
registry), but I don't know where to look. Any help would be greatly
appreciated.
 
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S

Squire

Question,
Are your hard drives set to Cable select, instead of Master and Slave?


Jerry
 
G

Guest

Answer:
My hard drives are SATA drives which don't have the jumper settings. All
SATA drives are treated as master devices

The 2 DVD drives are set to cable select
 
S

Squire

I'm not familiar with Sata drives,

Can you install one Sata drive and one CD drive on each cable?
That way the Sata drive would act as Master and the CD drive would still be
cable select, or you can try setting them as Slave.

Jerry
 
G

Guest

Unfortunately this isn't an option. SATA drives take their own cables - one
cable per drive - it's a much smaller serial cable and it plugs into its own
port on the mother board (or controller card if you add SATA to your pc that
way)
 
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G

Guest

There is no listing for it in my Add/Remove software so it's probably not a
removeable update
 

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