Service Manual
Page 13
... Extended Performs a thorough check of the test and any error conditions encountered. Tab Function Results Displays the results of devices. Power Button Light Codes The diagnostic lights give much more information. Dell Diagnostics Main Menu 1. Run Express Test first to your ... on the symptom of tracing the problem quickly. Errors Displays error conditions encountered, error codes, and the problem description. Option Function Express Performs a quick test of the problem. Select Run the 32 Bit Dell Diagnostics from the menu that appears and press ....
... Extended Performs a thorough check of the test and any error conditions encountered. Tab Function Results Displays the results of devices. Power Button Light Codes The diagnostic lights give much more information. Dell Diagnostics Main Menu 1. Run Express Test first to your ... on the symptom of tracing the problem quickly. Errors Displays error conditions encountered, error codes, and the problem description. Option Function Express Performs a quick test of the problem. Select Run the 32 Bit Dell Diagnostics from the menu that appears and press ....
Service Manual
Page 14
Solid Green System is in a low power state, either S1 or S3. Beep Codes If the monitor cannot display error messages during the POST. If the Hard Drive light on, it is probable that the power supply is corrected. Look at the diagnostic lights for ... for further information. Indicates the POWER_GOOD signal is active and it is not yet active. Blinking Green System is in. Most beep codes indicate a fatal error that prevents the computer from completing the boot routine until the indicated condition is fine. Power is off , it has started fetching op-codes. Blinking...
Solid Green System is in a low power state, either S1 or S3. Beep Codes If the monitor cannot display error messages during the POST. If the Hard Drive light on, it is probable that the power supply is corrected. Look at the diagnostic lights for ... for further information. Indicates the POWER_GOOD signal is active and it is not yet active. Blinking Green System is in. Most beep codes indicate a fatal error that prevents the computer from completing the boot routine until the indicated condition is fine. Power is off , it has started fetching op-codes. Blinking...
Service Manual
Page 15
... starts normally, continue to the operating system. Reseat all cable connections. NOTE: After the computer completes POST, all modules without error. If available, install working graphics card into your computer. A possible floppy drive or hard drive failure has occurred. If the... tick Shutdown failure Gate A20 failure Unexpected interrupt in a normal off . A possible USB failure has occurred. If the problem persists, contact Dell. If available, install a working memory of the lights help troubleshoot a problem, your computer has four lights labeled 1, 2, 3, and 4...
... starts normally, continue to the operating system. Reseat all cable connections. NOTE: After the computer completes POST, all modules without error. If available, install working graphics card into your computer. A possible floppy drive or hard drive failure has occurred. If the... tick Shutdown failure Gate A20 failure Unexpected interrupt in a normal off . A possible USB failure has occurred. If the problem persists, contact Dell. If available, install a working memory of the lights help troubleshoot a problem, your computer has four lights labeled 1, 2, 3, and 4...
Service Manual
Page 16
... optical drive cables are properly connected to make sure it is an error message on your computer. If the problem persists, contact Dell. Another failure has occurred. If the problem persists, contact Dell. Ensure that the memory you are installed, remove the modules, then...continue to boot from the computer for resource conflicts. If the problem persists, contact Dell. Memory modules are detected. Ensure that all modules without error. If the problem persists, contact Dell. Ensure that no special requirements for your computer. Determine if a conflict exists by ...
... optical drive cables are properly connected to make sure it is an error message on your computer. If the problem persists, contact Dell. Another failure has occurred. If the problem persists, contact Dell. Ensure that the memory you are installed, remove the modules, then...continue to boot from the computer for resource conflicts. If the problem persists, contact Dell. Memory modules are detected. Ensure that all modules without error. If the problem persists, contact Dell. Ensure that no special requirements for your computer. Determine if a conflict exists by ...
Service Manual
Page 18
... Size, DIMM_2 Size, DIMM_3 Size, and DIMM_4 Size. . All Floppy drive are enable. All floppy drive are disable Enable - This field controls whether hard drive errors for Flex Bay is needed only if intending to boost to : Disable Auto (default) COM1 COM3 Enables or disables the SATA or ATA drives connected...
... Size, DIMM_2 Size, DIMM_3 Size, and DIMM_4 Size. . All Floppy drive are enable. All floppy drive are disable Enable - This field controls whether hard drive errors for Flex Bay is needed only if intending to boost to : Disable Auto (default) COM1 COM3 Enables or disables the SATA or ATA drives connected...
Service Manual
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... IP Displays the current license status. This option is enabled by default. If enabled the maximum available memory is disable by default) Keyboard Errors Enables or disables keyboard error reporting when the computer starts. System Logs BIOS Events Displays the system event log and allows you must set Client DHCP to display...
... IP Displays the current license status. This option is enabled by default. If enabled the maximum available memory is disable by default) Keyboard Errors Enables or disables keyboard error reporting when the computer starts. System Logs BIOS Events Displays the system event log and allows you must set Client DHCP to display...
Technical Guide
Page 20
.../FAX CONTROLLERLESS MODEM Bus External Connector Data Transmission Data Speeds Data Standards Fax Speeds Fax Mode Capabilities Error Correction and Data Compression Power Management Upgradeability Video Operating Temperature Operating Humidity Operating System Support Operating System ...max Conexant SmartHSFs/LF (CX11256 & CX20493) L: 5.25/13.325 H: 4.73/12.002 L: 5.26/13.366 H: 3.12/7.923 20 DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0 COMMUNICATIONS - Pulse Coded Modulation (V.92/V.90) TCM - COMMUNICATIONS - INTEGRATED LAN (CONT.) BROADCOM NETXTREME 10/100/1000 PCIE ...
.../FAX CONTROLLERLESS MODEM Bus External Connector Data Transmission Data Speeds Data Standards Fax Speeds Fax Mode Capabilities Error Correction and Data Compression Power Management Upgradeability Video Operating Temperature Operating Humidity Operating System Support Operating System ...max Conexant SmartHSFs/LF (CX11256 & CX20493) L: 5.25/13.325 H: 4.73/12.002 L: 5.26/13.366 H: 3.12/7.923 20 DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0 COMMUNICATIONS - Pulse Coded Modulation (V.92/V.90) TCM - COMMUNICATIONS - INTEGRATED LAN (CONT.) BROADCOM NETXTREME 10/100/1000 PCIE ...
Technical Guide
Page 44
DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0 BIOS DEFAULTS (CONT.) Power Management Maintenance Post Behavior AC Recovery: Auto On Time: Low Power Mode: Remote Wake Up: Suspend Mode: Fan Control Override: Service Tag: Asset Tag: SERR Message: Fast Boot: Numlock LED: POST HotKeys: Keyboard Errors: MEBx HotKey Power Off Disable Disable Disable S3 Disable Set by the factory Optional User Entry Enable Enable Enable Enable Enable Enable 44
DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0 BIOS DEFAULTS (CONT.) Power Management Maintenance Post Behavior AC Recovery: Auto On Time: Low Power Mode: Remote Wake Up: Suspend Mode: Fan Control Override: Service Tag: Asset Tag: SERR Message: Fast Boot: Numlock LED: POST HotKeys: Keyboard Errors: MEBx HotKey Power Off Disable Disable Disable S3 Disable Set by the factory Optional User Entry Enable Enable Enable Enable Enable Enable 44