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Old 06-15-2011, 05:12 AM   #1
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Registered: Jun 2011
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Strange boot up problems on Compaq Presario desktop with RHEL 2.6.9xx

I am using a somewhat old Compaq Presario running
RHEL 2.6.9-34.EL. Everything was running fine till
about a week ago.
Now, each time I try to start the machine, the boot
process proceeds and then stops, with the CAPS LOCK
and the rightmost LED on the keyboard blinking. Thw
NUM LOCK LED does not light up. By trial and error,
I have found that if I pull out the DIMM cards and
re-seat them again, then try a start, everything works
fine. Could some Linux guru please suggest a remedy ?
Old 06-16-2011, 07:55 AM   #2
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Welcome to LQ!

By re-seating the dimm modules you are wiping the contacts. Possibly some maintenance is long over due for the machine. That would include contact & edge cleaning for the system.

LQ Search results for contact cleaning.

Definitely run memtest86+ for several passes or until error. If you get repeated errors for the same stick then replace that stick.

UBCD Ultimate Boot CD has several good diagnostic tools or utilities. UBCD does contain memtest86+.


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