Workstation does not power on when the front panel Power button is pressed.
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Is the Power LED illuminated on the front of the system? Ensure
that the power cord is connected to the system and to a grounded power receptacle.
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Does the wall outlet have power? Test by connecting another
device.
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Does the system beep when the system is powered on? The system
beeps when no keyboard or a malfunctioning keyboard is plugged in.
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Does the monitor sync within 5 minutes after the power-on?
An amber or flashing LED on the monitor indicates that the monitor is not
in sync.
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Is the monitor connected to the onboard video connector or
PCI Express video card? Connect the monitor to the active video connector.
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Workstation halts during POST (power-on self test) without displaying
error messages.
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Check the BIOS POST LED display on the motherboard. See Appendix B, BIOS POST Code Checkpoints for
detailed information about the POST codes.
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Workstation powers on, but the monitor does not.
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Is the Power button for the monitor turned on?
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Is the monitor power cord connected to a wall outlet?
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Does the wall outlet have power? Test by connecting another
device.
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Is the monitor connected to the onboard video connector or
PCI Express video connector?
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Workstation does not power off when the front panel Power button is
pressed.
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Try all of the power-off options described in To Power Off the Workstation.
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If the workstation still does not power off, disconnect the
power cable from the back of the chassis.
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Workstation appears to be in low-power mode, but the Power LED does
not blink.
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The Power LED blinks only when all workstation peripherals are in low-power
mode. A tape drive might be connected to your workstation. Because tape drives
do not enter low-power mode, the power LED does not blink.
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Unable to access the network.
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Newly installed memory is not detected.
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System cannot read the disk information.
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Use the hard drive remove and installation procedures to verify that
the disk is properly seated. See, Removing and Installing a Hard Drive.
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DVD does not eject from the drive when the Eject button is pressed.
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System cannot read DVD information.
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Check the following:
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Are you using the correct type of DVD?
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Do other DVDs work in this drive?
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Is the DVD properly inserted in the drive?
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Is the DVD clean and unscratched?
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Are the cables connected to the DVD drive?
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Keyboard or mouse does not respond to actions.
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Are the keyboard and mouse Type 7? Verify the model on the
underside of the keyboard.
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Verify that the mouse and keyboard cables are connected to
the onboard USB 2.0 connectors on the workstation.
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Verify that the workstation is powered on and that the front
Power LED is illuminated.
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Hung or frozen workstation: no response from mouse or keyboard or any
application.
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Are the keyboard and mouse Type 7? Verify the model on the underside
of the keyboard and replace if necessary.
Try to access your system from a different workstation on the network.
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From a terminal window, enter ping hostname
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If there is no response, remotely log in from another system,
using telnet or rlogin, and ping the
system again.
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Attempt to kill processes until the system responds.
If the above procedures do not work:
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Press the Power button to power off the system.
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Wait 20 to 30 seconds and power on the system.
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There is no video display on the monitor screen.
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Check the following:
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Is the monitor power cord connected to the power outlet?
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Does the wall outlet have power? Test it by connecting another
device.
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Is the video card seated correctly in its connector?
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Are the internal cables properly connected to the video card?
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Does the monitor work when connected to another system?
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If you have another monitor, does it work when connected to
the original system?
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Verify that the BIOS settings are correct.
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Try to access your system from a different workstation on
the network.
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From a terminal window, enter ping hostname
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If there is no response, remotely log in from another system,
using telnet or rlogin, and ping the
system again.
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Attempt to kill processes until the system responds.
If these procedures do not work:
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Press the Power button to power off the system.
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Wait 20 to 30 seconds and power on the system.
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An external device connected to a USB connector does not work.
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Reduce the number of external devices connected
to a USB hub.
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Connect the device to a USB hub, and connect the hub to the
USB ports on the workstation.
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Refer to the documentation that is packaged with the device.
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External device is not working.
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Check the documentation packaged with the device to determine
whether you must install device drivers.
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Ensure that the cables for the external device are firmly
connected, and that the pins in the cable and connector are not bent.
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Power off the system, reattach the external device, and power
on the system.
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