Question about Dell OptiPlex GX520 PC Desktop

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My Dell Optiplex 745 "No Boot Device Available"

Hey i bought an Optiplex 745 from E-bay and i am having troubles running it

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  • Anonymous Mar 28, 2014

    wheni power on the dell OptiPlex 745, lights flash once about every 4-5 seconds. Any ideas?

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  • Dell Master
  • 32,281 Answers

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

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Posted on Jan 02, 2017

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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

2 Answers

Network card is not responding


What about Device Manager, are there any warnings concerning Network adapters? Exclamations indicate you need drivers.
Download driver page.
http://www.dell.com/support/drivers/us/en/04/Product/optiplex-745

Dec 07, 2012 | Dell OPTIPLEX 745 PC Desktop

1 Answer

Dell desktop optiplex 745 its inbuilt vga card is not responced what i do?


purchased a video card maybe the built in video card already have a problem, it think there is a available slot for the video card for you to put.

Sep 04, 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

1 Answer

Why the light is in yellow colour and not in green colour on a power light


Solid yellow
The Dell Diagnostics is running a test, or a device on the system board may be faulty or incorrectly installed.
If the Dell Diagnostics is running, allow the testing to complete.
If the computer does not boot, contact Dell for technical assistance (see Contacting Dell).
it indicates that The Dell Diagnostics is running a test, or a device on the system board may be faulty or incorrectly installed.
If the Dell Diagnostics is running, allow the testing to complete.
If the computer does not boot, contact Dell for technical assistance .
http://phubner.eng.ua.edu/Files/Optiplex%20745/gethelp.htm#wp1109356

Hope this helps. Please rate my response.
Thanks.
Have a good day

Dec 28, 2010 | Dell Optiplex 745 Desktop Computer, Fast...

1 Answer

When i boot my dell 745 optiplex windows xp icons are missing on boot up.


Explorer, a key part of windows, isn't automatically loaded at boot. This is a sign of severe corruption - it's time to reinstall.

Sep 17, 2010 | Dell OPTIPLEX 745 PC Desktop

1 Answer

No Boot Device Optiplex 745


Open up the PC to see if there is a hard drive in the PC. If there is, then it has just been wiped and you'll need to reinstall your OS.

Apr 17, 2009 | Dell OptiPlex GX520 PC Desktop

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