HP Dc7700 Quick Setup and Getting Started Guide - Page 23

Interpreting POST Diagnostic Front Panel LEDs and, Audible Codes, - beep codes

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problem. Refer to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on page 23 in this guide for details. ● Turn up the brightness and contrast controls of the monitor if the monitor is dim. ● Press and hold any key. If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for loose connections or incorrect connections. ● Wake the computer by pressing any key on the keyboard or pressing the power button. If the system remains in suspend mode for more than four seconds, shut down the computer by pressing and holding the power button for at least four seconds then press the power button again to restart the computer. If the system will not shut down, unplug 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 Computer Setup. If it does not restart, press the power button to start the computer. ● Reconfigure your computer after installing a non-plug and play expansion board or other option. See Solving Hardware Installation Problems on page 20 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 bootable media (diskette, CD, or USB device) from the system before turning it on. ● If you have installed an operating system other than the factoryinstalled operating system, check to be sure that it is supported on the system. ● If the system has multiple video sources (embedded, PCI, or PCIExpress adapters) installed (embedded video on some 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 Setup. ENWW Helpful Hints 15

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problem. Refer to
Interpreting POST Diagnostic Front Panel LEDs and
Audible Codes
on page
23
in this guide for details.
●
Turn up the brightness and contrast controls of the monitor if the
monitor is dim.
●
Press and hold any key. If the system beeps, then the keyboard should
be operating correctly.
●
Check all cable connections for loose connections or incorrect
connections.
●
Wake the computer by pressing any key on the keyboard or pressing
the power button. If the system remains in suspend mode for more
than four seconds, shut down the computer by pressing and holding
the power button for at least four seconds then press the power button
again to restart the computer. If the system will not shut down, unplug
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 Computer Setup.
If it does not restart, press the power button to start the computer.
●
Reconfigure your computer after installing a non–plug and play
expansion board or other option. See
Solving Hardware Installation
Problems
on page
20
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 bootable media (diskette, CD, or USB device) 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 PCI-
Express adapters) installed (embedded video on some 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 Setup.
ENWW
Helpful Hints
15