Dell OptiPlex 755 Support and Manuals
Get Help and Manuals for this Dell item
View All Support Options Below
Free Dell OptiPlex 755 manuals!
Problems with Dell OptiPlex 755?
Ask a Question
Free Dell OptiPlex 755 manuals!
Problems with Dell OptiPlex 755?
Ask a Question
Most Recent Dell OptiPlex 755 Questions
It Is Important To Give As Much Information As Possible So That People Who Look
It is important to give as much information as possible so that people who look at your question can...
It is important to give as much information as possible so that people who look at your question can...
(Posted by sjzl1972 5 years ago)
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 pro...
im test the monitor,monitor cable,mouse and keyboard....all is in good condition....Im think the pro...
(Posted by angellrodriguez82 9 years ago)
Optiplex 755 How To Turni Off The Mebx Bios
(Posted by keogkha 9 years ago)
How To Troubleshoot Dell Optiplex 755 Lights 3 & 4
(Posted by misjosm 9 years ago)
Dell OptiPlex 755 Videos
Upgrades to My New Dell Optiplex 755
Duration: 8:55
Total Views: 10,045
Duration: 8:55
Total Views: 10,045
Dell OptiPlex 755 Desktop Proper Maintenance Deep Cleaning
Duration: 11:48
Total Views: 406
Duration: 11:48
Total Views: 406
Fix for Dell Optiplex 755 Turning On/Off Randomly
Duration: 6:06
Total Views: 92
Duration: 6:06
Total Views: 92
OS X Leopard 10.5.7 on a Dell Optiplex 755 - Working
Duration: 9:10
Total Views: 7,774
Duration: 9:10
Total Views: 7,774
Popular Dell OptiPlex 755 Manual Pages
Quick Reference
Guide - Page 8
..., frequently asked questions
• Community - Contact information, service call status and support history, service contract, online discussions with other Dell customers
Dell Support Website - To download Desktop System Software:
1 Go to view the appropriate support site.
• Upgrades - Certified drivers, patches, and software updates
• Desktop System Software (DSS)-
Quick Reference
Guide - Page 20
... the 115-V position. For more information, see "System Setup Options" in your location.
4 power connector Insert the power cable.
5 back panel connectors
Plug serial, USB, and other devices into a USB connector.
NOTICE: In Japan, the voltage selection switch must be set the switch for any installed PCI or PCI Express cards, PS/2 connector, eSATA connector...
Quick Reference
Guide - Page 30
... 6 cover-release
latch
Your computer is automatically disabled if the computer detects an installed card containing a parallel connector configured to the same address. To help avoid damaging a computer with a manual voltage selection switch, set to the 115-V position. Also, ensure that most closely matches the AC power available in the User's Guide.
30
Quick Reference...
Quick Reference
Guide - Page 49
... device in the Windows Device Manager. To exit from a powersaving mode, see "System Setup" in the User's Guide for more information
The vents help you troubleshoot problems with your computer from overheating.
See "Power Problems" in the module bay. Install a D-module optical drive, second hard drive, or floppy drive in the User's Guide.
The power light illuminates and blinks...
Quick Reference
Guide - Page 61
... in this section, follow the safety instructions located in this section and run the Dell Diagnostics before you experience a problem with your computer. When to Use the Dell Diagnostics
If you begin any of the error, beep codes, or diagnostics light patterns, record your Express Service Code and Service Tag below, and then contact Dell from the same location as expected...
Quick Reference
Guide - Page 64
... Reference Guide Write down the error code and problem description and follow the instructions on the symptom of the problem you cannot resolve the error condition, contact Dell (see "Contacting Dell" in the left pane of the test and any error conditions encountered. The Dell Diagnostics obtains configuration information for more information.
3 If you contact Dell, technical support will...
Quick Reference
Guide - Page 72
..., select the option that best describes the problem and follow the remaining troubleshooting steps.
To start the Hardware Troubleshooter: Windows XP:
1 Click Start→ Help and Support. 2 Type hardware troubleshooter in the search field and press
to resolve the incompatibility.
Code 4-2-1 4-2-2 4-2-3 4-2-4 4-3-1 4-3-3 4-3-4 4-4-1 4-4-2 4-4-3 4-4-4
Cause No timer tick Shutdown failure...
User's Guide - Page 15
... 361 Windows Vista: Dell Factory Image Restore 362 Using the Operating System Media 363 Before you Begin 363 Reinstalling Windows XP or Windows Vista 363
18 Getting Help
Obtaining Assistance 365 Online Services 365 AutoTech Service 366 Automated Order-Status Service 366 Support Service 366
Problems With Your Order 367
Product Information 367
Returning Items for Warranty Repair or...
User's Guide - Page 24
... as printers and keyboards. NOTICE: If your online User's Guide for devices that you troubleshoot problems with your computer. The power light illuminates and blinks or remains solid to attach headphones and most kinds of light codes that can help you troubleshoot a computer problem based on the computer. The computer is in a power-saving mode. • Blinking or solid amber...
User's Guide - Page 89
... and the computer.
• Orange - NOTICE: In Japan, the voltage selection switch must be set the switch for the voltage that your monitor and attached devices are electrically rated to operate with a manual voltage selection switch.
4 voltage selection switch Your computer is automatically disabled if the computer detects an installed card containing a parallel connector...
User's Guide - Page 167
... into a USB connector. A good connection exists between a 10-Mbps network and the computer.
• Orange - Also, ensure that most closely matches the AC power available in your location.
5 padlock ring
Insert a padlock to operate with a manual voltage selection switch, set to open the computer cover. The computer is not detecting a physical connection to the...
User's Guide - Page 338
...using the mouse. TE ST T H E M O U S E -
Mouse Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
For more information about the type of
memory supported by your computer. • Run the Dell Diagnostics (see the specifications for minimum memory requirements. Connect a properly working mouse to...
User's Guide - Page 359
... your operating system and preserving data files. • Dell PC Restore by Symantec (available in Windows XP) and Dell Factory Image Restore (available in
Windows Vista) returns your operating system problem. Use
System Restore as the first solution for the Windows default view, so they may not apply if you set your data files or recover them. Use the...
User's Guide - Page 365
...not resolved the problem, contact Dell. If you with installation and troubleshooting procedures. 5 If the preceding steps have an Express Service Code, open the Dell Accessories folder, double-click the Express Service Code icon, and follow the directions. When prompted by Dell's automated telephone system, enter your region on page 366. Online Services
You can access Dell Support at the...
Administration Guide - Page 21
... password has been changed, reset it to most complex):
l Remote configuration - This new feature of Intel AMT 3.0 allows you to automatically provision an Intel® AMT capable computer when power is set up and locally configure password, provisioning ID (PID), and provisioning passphrase (PPS) information with manually typing in the User's Guide for your computer. l Configuration service...
Dell OptiPlex 755 Reviews
We have not received any reviews for Dell yet.