Computer does not
automatically
display the date and time.
The real-time clock (RTC) battery may need to be
Computer does not beep
during POST.
The speaker volume may have been turned down.
Select the
Volume
option from the Control Panel
and adjust the volume.
Computer powered off
automatically.
The unit temperature may have been exceeded.
Check the fan for function and blockage.
USB
Problem Probable cause(s)
Possible solution
USB
device
does not
work with
the
system.
The USB device and the
system may use different
USB architectures.
Ensure that the USB device and the
system share the same USB
architecture. (UHCI-compliant devices
will only work with a UHCI-compliant
system, and OHCI-compliant devices will
only work with a OHCI-compliant
system).
Diskette Drive
Problem
Probable cause(s)
Possible solution
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series
http://www.compaq.com/athome/support/msgs/7400/trbnodg.html (4 of 8) [1/8/2002 3:53:00 PM]