HP Xw9400 HP xw9400 Workstation - Service and Technical Reference Guide - Page 135
Customizing the monitor display, Troubleshooting checklist, LED color definitions - bios upgrade
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● Upgrade the BIOS. A new release of the BIOS might have been released that supports new features or fixes your problem. ● For more detailed information, see the troubleshooting chapter in the Service and Technical Reference Guide at http://www.hp.com/support/workstation_manuals. Customizing the monitor display You can manually select or change the monitor model, refresh rates, screen resolution, color settings, font sizes, and power management settings. To do so, right-click the desktop, then click Properties to change display settings. For more information, see the online documentation provided with the graphics controller utility or the documentation that came with your monitor. Troubleshooting checklist Before running diagnostic utilities, use the following checklist to find possible solutions for workstation or software problems. ● Is the workstation and monitor connected to a working electrical outlet? ● Is the workstation powered on? ● Is the green power light illuminated? ● Is the monitor on? ● Is the green monitor light illuminated? ● If the monitor is dim, adjust the monitor brightness and contrast controls. ● Press and hold any key. If the system beeps, the keyboard is operating correctly. ● Check cables for loose or improper connections. ● After installing a non-plug and play (PnP) expansion board or other option (such as a diskette drive), reconfigure the workstation. ● Are all necessary device drivers installed? ● Have all printer drivers been installed for each application? ● Have you removed diskettes, optical disks, and USB drive keys from the drives before powering on the workstation? ● Are you running the latest version of BIOS, drivers, and software? LED color definitions The front panel LED indicates system status as described in Table 1. Table 6-1 Front panel LED color definitions LED State LED Color System Status Solid Blinking Solid or blinking Green Green Red None No light System is on. System is in Standby mode. System has an error. See Diagnostic light codes on page 134. System is in Hibernate mode, or it is off. ENWW Troubleshooting checklist 125