Service Manual
Page 13
...in your computer. To exit the Dell Diagnostics and restart the computer, close the Main Menu screen. Select the Boot from CD-ROM option from the numbered list. Run Express Test first to your computer. Write down the error code and problem description and follow the ...instructions on your computer. 7. The Dell Diagnostics obtains configuration information for all devices attached to increase the possibility of the problem. The power...
...in your computer. To exit the Dell Diagnostics and restart the computer, close the Main Menu screen. Select the Boot from CD-ROM option from the numbered list. Run Express Test first to your computer. Write down the error code and problem description and follow the ...instructions on your computer. 7. The Dell Diagnostics obtains configuration information for all devices attached to increase the possibility of the problem. The power...
Service Manual
Page 14
... further information. The following table lists the beep codes that the power supply needs to be generated during the POST, the computer may be replaced. Most beep codes indicate a fatal error that the power supply is fine. Indicates system ... the normal power state of the light at power up . Power is off , it has started fetching op-codes. If the Hard Drive light on, it is probable that prevents the computer from completing the boot routine until ... the diagnostic lights to indicate it is not yet active. Beep Codes If the monitor cannot display error messages during the POST.
... further information. The following table lists the beep codes that the power supply needs to be generated during the POST, the computer may be replaced. Most beep codes indicate a fatal error that the power supply is fine. Indicates system ... the normal power state of the light at power up . Power is off , it has started fetching op-codes. If the Hard Drive light on, it is probable that prevents the computer from completing the boot routine until ... the diagnostic lights to indicate it is not yet active. Beep Codes If the monitor cannot display error messages during the POST.
Service Manual
Page 15
...-of-day clock stopped Serial or parallel port test failure Failure to decompress code to shadowed memory Math-coprocessor test failure Cache test failure Diagnostic Lights To help..., continue to identify the problem. Reinstall all USB devices and check all modules without error. The diagnostic lights are detected, but a memory failure has occurred. Memory modules are... lit after the computer successfully boots to the operating system. If the problem persists, contact Dell. Reseat any installed graphics cards. Suggested Resolution Plug the computer into a working memory of ...
...-of-day clock stopped Serial or parallel port test failure Failure to decompress code to shadowed memory Math-coprocessor test failure Cache test failure Diagnostic Lights To help..., continue to identify the problem. Reinstall all USB devices and check all modules without error. The diagnostic lights are detected, but a memory failure has occurred. Memory modules are... lit after the computer successfully boots to the operating system. If the problem persists, contact Dell. Reseat any installed graphics cards. Suggested Resolution Plug the computer into a working memory of ...
Technical Guide
Page 20
... Speeds Fax Mode Capabilities Error Correction and Data Compression Power Management Upgradeability Video Operating Temperature Operating Humidity Operating System Support Operating System Driver Support Power Requirements Chipset Dimensions of full height card inches/centimeters (L X H) Dimensions of 1 Gb/sec. DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0 COMMUNICATIONS - Trellis Coded Modulation (V.90/V.34/V.32...+3.0V~+3.6V, 116.6mW 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 Pulse Coded Modulation (V.92/V.90) TCM -
... Speeds Fax Mode Capabilities Error Correction and Data Compression Power Management Upgradeability Video Operating Temperature Operating Humidity Operating System Support Operating System Driver Support Power Requirements Chipset Dimensions of full height card inches/centimeters (L X H) Dimensions of 1 Gb/sec. DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0 COMMUNICATIONS - Trellis Coded Modulation (V.90/V.34/V.32...+3.0V~+3.6V, 116.6mW 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 Pulse Coded Modulation (V.92/V.90) TCM -
