2–4 www.hp.com Troubleshooting Guide
Troubleshooting Without Diagnostics
the power cord, wait a few seconds, then plug it in again. The
computer will restart if automatic start on power loss is set in the
BIOS. If it does not restart, press the power button to start the
computer.
■ Reconfigure the computer after installing a non–plug and play
expansion board or other option. See “Solving Hardware
Installation Problems” for instructions.
■ Be sure that all the needed device drivers have been installed. For
example, if you are using a printer, you need a driver for that
model printer.
■ Remove all diskettes from the system before turning it on.
■ If you have installed an operating system other than the
factory-installed operating system, check to be sure that it is
supported on the system.
■ If the system has multiple video sources (embedded, PCI, or AGP
adapters) installed (embedded video on select models only) and a
single monitor, the monitor must be plugged into the monitor
connector on the source selected as the primary VGA adapter.
During boot, the other monitor connectors are disabled and if the
monitor is connected into these ports, the monitor will not
function. You can select which source will be the default VGA
source in Computer (F10) Setup.
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CAUTION: When the computer is plugged into an AC power source,
there is always voltage applied to the system board. You must disconnect
the power cord from the power source before opening the computer to
prevent system board or component damage.
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