Question about Dell OPTIPLEX 745 PC Desktop

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Remove broken headphone jack on an Optiplex 745

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Since the Headphone jack is soldered onto the motherboard in most cases you could remove it by unsodering it from the MB. However, replacing it might cause another issue. You can always install a sound card that would allow you to have additional headphone jacks.

Posted on Jan 17, 2013

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Posted on Jan 02, 2017

benwabnick
  • 2404 Answers

SOURCE: audio jack has headphones pin broken off into it

If you have a pick set you can try prying it out of the hole with one of the picks. If you don't have one then your only option would be to replace the motherboard.


Posted on May 04, 2009

Geekman
  • 32281 Answers

SOURCE: My Dell Optiplex 745 "No Boot Device Available"

No boot device means that the computer cannot find a drive that has a operating system files and therefore cannot boot up.
This usually means that the hard drive in the computer is faulty.
You need to get a new hard drive and install Windows on the hard drive, together with the drivers for the computer's installed devices and programs to get a working computer.

Posted on Sep 07, 2009

AldRezaine
  • 995 Answers

SOURCE: problem useing 1066fsb ram in my Dell OPTIPLEX 745

Download a cpuz software from cpuz.com. It will give important details about the motherboard,memory and graphics card in your system.

Posted on Oct 30, 2009

  • 1702 Answers

SOURCE: Hi, I've broken the headphone

Hi, The rear jack will do fine. You don't have to disable anything. Good luck.

Posted on Oct 11, 2011

SOURCE: nee to get the cover off my optiplex 745 desktop

Screws? I don't think that was necessary on an Optiplex GX745. If you face the front of the desktop then look at the back on top and you will see a latch to push and the cover pops open on one side.

See the photos below:




6_2_2012_10_08_32_pm.jpeg6_2_2012_10_09_04_pm.jpg

Posted on Jun 02, 2012

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Headphone jack is broken INSIDE the port and is overriding the speakers. Can I override this override?


Or instead of having to open up your computer and messing with the mobo. Just use the control panel in to disable the headphone jack.

May 09, 2014 | Dell OPTIPLEX 745 PC Desktop

1 Answer

My dell desktop asking for a password


If you want to create a new Basic Input/Output System (BIOS) password on a Dell Optiplex 745, reset the password. Resetting the password also applies if you want to remove an existing BIOS password. BIOS passwords are used to add an additional level of security to your machine. Without the correct BIOS password, your Dell Optiplex 745 will not complete the boot process. The password can be reset whether you know your current password or not.

Turn off your Dell Optiplex 745. Start the computer. Press "F2" the moment the Dell logo appears on the screen. You will only have two to three seconds to press the key. Enter your BIOS password. Navigate to the "Exit" screen. Select the "BIOS Password" setting. Enter your BIOS password and a new password if desired. Do not enter anything in the "New Password" box if you want to remove the BIOS password completely. Press "Enter" to save your password settings. Reset Forgotten Passwords Turn off your Dell Optiplex 745 and remove the power cord from the computer. Disconnect any external hardware and cables. Slide the release latch located on the back of your Optiplex 745. Lift the cover as you slide the latch. Hold the cover firmly and pivot it back on the hinges. Remove the cover from the hinges. Find the "PSWD" jumper on the motherboard. This is a two-pin jumper and should be clearly labeled. Use a flashlight and magnifying glass if you have trouble locating it. Remove the jumper from the motherboard. Replace the cover and slide it into place until the latch snaps into place. Reconnect the power cable and restart your computer. Shut down the computer after it has completely restarted. Disconnect all cables and remove the cover again. Replace the PSWD jumper. Replace the cover. Reconnect all cables and restart your computer.
b> Clearing forgotten passwords http://phubner.eng.ua.edu/Files/Optiplex 745/advfeat.htm - wp1117484

Mar 20, 2013 | Dell OPTIPLEX 745 PC Desktop

1 Answer

I boutght used optiplex 745 turn on asks 4 password i dont have


For most Dell Optiplex desktops, the steps to reset a BIOS password and clear all CMOS settings are:
Locate the 3-pin CMOS password reset jumper on the system board.
Remove the jumper plug from pins 1 and 2.
Place the jumper plug on pins 2 and 3 and wait approximately 5 seconds.
Replace the jumper plug on pins 1 and 2.

Feb 28, 2012 | Dell OPTIPLEX 745 PC Desktop

1 Answer

Processor: Intel Pentium D - 3.4GHz processor (Dual-Core) Memory: 2048MB RAM Hard Drive: 400GB Optical Drive: CDRW/DVD Rom drive (combo) Operating System: Microsoft Windows XP Professional SP3...


You have to have some sort of a modem to get online whether your using a smartphone through a usb or broadband modem through your rj-45 jack, Broadband modems also have the capability of using a usb cable to connect to the modem. Hope this helps. Not sure exactly what your asking. If I havent answered your question feel free to let me know!!!

Jun 13, 2011 | Dell OPTIPLEX 745 PC Desktop

2 Answers

Bought a used Dell Optiplex 745 Desktop Computer. Seems to boot up okay, but no video. Want to check inside to see if any connectors are loose. How do you remove off the cover(s)?; I don't see any screws...


Hello,

To remove the side of the Dell Optiplex 745 cases you need to push the release latch on the back either top or side depending on whether it is a tower or a desktop. The latch just slides back and the side will release and the cover will pop loose. The normal issue with this model is not a bad video card, it is bad capacitors on the motherboard. We repair these boards all the time for a federal prison that is located near our office. Look over this guide we have posted on our site that explains what to look for and what to do about it. http://www.ccl-la.com/blog/index.php/dell-optiplex-745-repair/ The repair is easy to do if you can solder, We have 4 units in right now for repair. Check out your board, I would bet his is what your problem is.

I hope this helps, if so please rate our solution.

BuddyMc

Jan 20, 2011 | Dell OPTIPLEX 745 PC Desktop

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