[CentOS] Re: Now I can't shutdown [was: Screen blanks after initial setup (Centos 5)]

>> I would also run "memtest" off CD #1 for a couple of hours to
>> make certain that memory is working OK, etc.
> 
> I rebooted into rescue mode but can't find memtest, only memtest-setup.  

No, you boot up *with* CentOS CD #1 in the CD drive. At the 
"boot:" prompt (where you normally just hit <ENTER> to 
install CentOS), type:

memtest86<ENTER>

It will run memtest off the CD.

johnn