Check your work, check the adjacent cards, drives, etc. make sure you didn't
inadvertently bump something
loose.
Put case cover back on, this will preclude you from touching any components while the system
is powered up.
Reconnect any external cables you disconnected.
Power up the system.
Watch for system startup screen, if you do not get a screen with in two or three seconds power
the system down, disconnect the power cord.
Something has gone to ground, in other words there is a short between a
component's power connection
and the ground of the power supply.
Once you are certain nothing is loose or you have found the component that is going to ground and
have corrected the problem put the case cover back on and reconnect cables and power it up.
Other problems could be caused by a corrupt registry. Before reloading the
Operating System try doing a registry repair. All Registry Repair programs are
not created equal, as always do your research before trusting your computer and
data to an unknown program.
This site contains a lot of information. As
with any publication not all information is available due to space, time, or
subject constraints.
If you have a question that you did not find the answer
on this web site you a can
ask your question here and we will endeavor to get you the most up to date
answer possible!