HP t150 Maintenance & Service Guide: HP MultiSeat 6000 Desktop, HP MultiSe - Page 173

Troubleshooting Hardware, Helpful Hints

Page 173 highlights

K Troubleshooting Hardware This chapter provides information on how to identify and correct minor problems, such as hard drive, optical drive, graphics, audio, memory, and software problems. If you encounter problems with the computer, refer to the tables in this chapter for probable causes and recommended solutions. NOTE: For information on specific error messages that may appear on the screen during Power-On Self-Test (POST) at startup, refer to Appendix A, POST Error Messages on page 109. Helpful Hints If you encounter problems with the computer, monitor, or software, see the following list of general suggestions before taking further action: ● Check that the computer and monitor are plugged into a working electrical outlet. ● Check that the computer is turned on and the green power light is on. ● Check that the monitor is turned on and the green monitor light is on. ● Check the Power LED on the front of the computer to see if it is flashing red. The flashing lights are error codes that will help you diagnose the problem. Refer to Appendix A, POST Error Messages on page 109 for more information. ● 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, 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 it is set to automatic start after power loss in Computer Setup as soon as power is restored. 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 on page 185 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 (CD or USB device) from the system before turning it on. Helpful Hints 163

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K
Troubleshooting Hardware
This chapter provides information on how to identify and correct minor problems, such as hard drive,
optical drive, graphics, audio, memory, and software problems. If you encounter problems with the
computer, refer to the tables in this chapter for probable causes and recommended solutions.
NOTE:
For information on specific error messages that may appear on the screen during Power-On
Self-Test (POST) at startup, refer to Appendix A,
POST Error Messages
on page
109
.
Helpful Hints
If you encounter problems with the computer, monitor, or software, see the following list of general
suggestions before taking further action:
Check that the computer and monitor are plugged into a working electrical outlet.
Check that the computer is turned on and the green power light is on.
Check that the monitor is turned on and the green monitor light is on.
Check the Power LED on the front of the computer to see if it is flashing red. The flashing lights are
error codes that will help you diagnose the problem. Refer to Appendix A,
POST Error Messages
on page
109
for more information.
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, 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 it is set to automatic start after power loss in Computer Setup as soon as
power is restored. 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
on page
185
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 (CD or USB device) from the system before turning it on.
Helpful Hints
163