In a word, yes... but it could be a loose data cable.

If equipment that used to work suddenly stops working
after the case has been opened -- whether new stuff is
added or not -- ALWAYS check cables and connections FIRST.
And then go back and _triple_ check the connections.

Jim Meagher
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Micro Solutions Consulting    Member of the HTML Writers Guild & the
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> -----Original Message-----
> From: PCBUILD - PC Hardware discussion List
> [mailto:[log in to unmask]]On Behalf Of Rick Glazier
>
> Bought a 24x CD-ROM and got it working as slave on second port,
> (replacement for 2x ide cdrom, installed new drivers)  -- easy.
> Since then, get HD failure (code 10, and maybe 20) on boot -- Sometimes.
<SNIP>
> Could all these symptoms be strictly loose power cords?
>      TIA  Rick
>