Dell OptiPlex 755 Support Question
Dell OptiPlex 755 Support Question
Find answers below for this question about Dell OptiPlex 755.Need a Dell OptiPlex 755 manual? We have 3 online manuals for this item!
Question posted by angellrodriguez82 on April 4th, 2015
The Monitor Said ..no Signal... No Video,no Sound.... But Im Test The Monitor,ca
im test the monitor,monitor cable,mouse and keyboard....all is in good condition....Im think the problem is in the videoboard but im not shure....I dont see the videoboard.....I think is integrated in motherboard....Please help me!..... The pc is a desktop DELL Intel Core 2 v Pro...Model number: Optiplex 755.... DCCY......Serial number: 7NT6YG1...
Current Answers
Related Dell OptiPlex 755 Manual Pages
Quick Reference
Guide - Page 11
...your monitor for the ...cables to the computer, monitor, and devices and connect
the other ends of the screen.
Set Up Your Keyboard and Mouse
Quick Reference Guide
11
Computers with your location. NOTE: Some monitors have the video connector underneath the back of the power cables to avoid bending connector pins.
3 Connect the monitor.
Align and gently insert the monitor cable...
Quick Reference
Guide - Page 22
... and pivot the cover up using a graphics card that supports dual monitors, use the y-cable that a graphics card heat sink has had sufficient time to the connector on the... unplug your VGA-compatible monitor into the blue connector. NOTE: If you are COM1 for serial connector 1 and COM2 for serial connector 2.
8 video connector 9 serial connector
Plug the cable from the hinge tabs and...
Quick Reference
Guide - Page 32
8 video connector 9 serial connector
Plug the cable from the hinge tabs and set it .
32
Quick Reference Guide Connect your computer from the ....
2 If you begin any of the computer cover and pivot the cover up using a graphics card that supports dual monitors, use the y-cable that a graphics card heat sink has had sufficient time to cool before you lift the cover.
4 Grip the sides ...
Quick Reference
Guide - Page 43
... computer cover and pivot the cover up using a graphics card that supports dual monitors, use the y-cable that a graphics card heat sink has had sufficient time to the serial port.... Graphics card heat sinks can become very hot during normal operation.
8 video connector 9 serial connector
Plug the cable from your computer.
Connect your computer from the electrical outlet before you...
Quick Reference
Guide - Page 53
... attach a record/playback device such as a handheld device, to the serial connector.
9 video connector If you have a DVI-compatible monitor, plug the cable from your computer, and connect the monitor cable to attach an amplified speaker set.
6 line-
Connecting a VGA Monitor
If you troubleshoot problems with your computer.
Use the blue and pink line-in/microphone connector...
Quick Reference
Guide - Page 54
1
1 cable adapter 3 monitor cable
Connecting Two Monitors
2 VGA connector 1
1 cable adapter
Use the cable adapter to connect a VGA monitor and a DVI monitor to the DVI-I connector on the back panel.
54
Quick Reference Guide
User's Guide - Page 13
...
15 Cleaning Your Computer
Computer, Keyboard, and Monitor 323
Mouse 323 Cleaning a Non-Optical Mouse 323 Cleaning an Optical Mouse 323
Floppy Drive 324
CDs and...Problems 331 Card Problems 331 Drive Problems 332
Optical drive problems 333 Problems writing to an optical drive 333 Hard drive problems 333 E-Mail, Modem, and Internet Problems 334 Error Messages 335 Keyboard Problems...
User's Guide - Page 14
... blue screen appears 337 Other software problems 337
Memory Problems 338 Mouse Problems 338 Network Problems 339 Power Problems 339
Troubleshooting Power Problems 339 Power Supply Self-Test 340 Printer Problems 341 Scanner Problems 342 Sound and Speaker Problems 342 No sound from speakers 342 No sound from headphones 343 Video and Monitor Problems 343 The screen is blank 343 The...
User's Guide - Page 27
... sound or telephony program.
7 USB 2.0 connectors (6) Use the back USB connectors for serial connector 2. Connect your monitor ... the onboard NIC. A click indicates that came with integrated amplifiers.
6 line-in/microphone connector
Use the blue ... the computer on its side as printers and keyboards.
8 video connector
Plug the cable from your network. If you purchased an optional graphics...
User's Guide - Page 90
...connected, such as printers and keyboards.
8 video connector
Plug the cable from the electrical outlet before ...designations are using a graphics card that supports dual monitors, use Category 5 wiring and connectors for serial...integrated amplifiers.
6 line-in/microphone connector
Use the blue and pink line-in the Product Information Guide.
NOTE: If you lift the
cover.
90
Desktop...
User's Guide - Page 168
... on computers with integrated sound) to attach headphones and most speakers with integrated amplifiers.
6 line...monitor to the network adapter connector on page 281.
Removing the Computer Cover
CAUTION: Before you lift the
cover.
168
Small Form Factor Computer Do not remove the cap.
Then, slide the release latch back as printers and keyboards.
8 video connector
Plug the cable...
User's Guide - Page 230
...as printers and keyboards.
Insert the AC...problems with your computer. See "Diagnostic Lights" on page 347 for devices that can help you have a VGA monitor, plug the adapter cable into the white DVI video connector on page 230. A good...cable to the parallel connector. NOTE: Do not plug a telephone cable into a USB connector.
• Green -
1 parallel connector 2 link integrity...
User's Guide - Page 231
Ultra Small Form Factor Computer
231 When you connect two monitors, the video driver will detect this connection and activate the multimonitor functionality.
1
Connecting Two Monitors
1 cable adapter 2 VGA connector 3 monitor cable
1
1 cable adapter
Use the cable adapter to connect a VGA monitor and a DVI monitor to the DVI-I connector on the back panel.
User's Guide - Page 339
... and that the electrical outlet is working by testing it with another device, such as a lamp. See "Diagnostic Lights" on page 356. I F T H E P O W E R L I G H T I N G S - Windows Vista: 1 Click Start → Control Panel→ Hardware and Sound→ Mouse. 2 Adjust the settings as needed . See "Troubleshooting Software and Hardware Problems in the Microsoft® Windows® XP and...
User's Guide - Page 343
... and that the sound is working by testing it in a safe and secure location. Sound from headphones C H E C K T H E H E A D P H O N E C A B L E C O N N E C T I O N - Turn off nearby fans, fluorescent lights, or halogen lamps to the computer's front-panel headphone connector. See "Drivers" on page 358. If you begin any video extension cables and connect the monitor directly to the computer...
User's Guide - Page 344
... and brightness, demagnetizing (degaussing) the monitor, and running the monitor self-test. The power button light located on the keyboard, move the mouse to resume normal operation. See "Diagnostic Lights" on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor, and running the monitor self-test. M O V E T H E M O N I N G S - Windows XP: 1 Click Start→...
User's Guide - Page 346
... Dell" on the system board allow the testing to complete. If the computer does not boot,
contact Dell for technical assistance (see "Diagnostic Lights" on diagnosing the beep code.
See "Video and Monitor Problems" on page 339. Solid green power light and no video during POST
The monitor or the graphics card may Check the diagnostic...
User's Guide - Page 350
... 0FFFFh
If you that the computer encountered a memory problem. Reseating the memory modules may correct the following beep...Keyboard Controller Test failure NVRAM power loss Invalid NVRAM configuration Video Memory Test failure Screen initialization failure
350
Solving Problems Beep Codes
Your computer might emit a series of beeps during start-up if the monitor cannot display errors or problems...
User's Guide - Page 354
...Dell Diagnostics.
354
Solving Problems
When the test completes, record the test results and then press...from the menu that you see the Windows desktop. Starting the Dell Diagnostics From the Drivers ...System Assessment (PSA), a series of initial tests of your system board, keyboard, display, memory, hard drive, and so...Main Menu, left-click with the mouse, or press and then , to continue." NOTE:...
User's Guide - Page 377
... disk drives. DVD-RW -
A standard for distributed desktop, network, enterprise, and Internet environments.
E
ECC -... video display.
enhanced integrated device electronics - ESD -
Computers that are administered as a unit with common rules and procedures for testing ... expansion slot on a network that use a second monitor as it passes in the computer. disk striping -...
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