Top 20 Dell OptiPlex 780 MT PC Desktop Questions & Answers

With Windows Vista, 7 and 8 the computer is suppose to give an alert when installing a new program

Dell OptiPlex... | 658 views | 0 helpful votes

You can try to reboot in safe mode (F8 during windows startup) and check the logs.

Dell OptiPlex... | 67 views | 0 helpful votes

Do not worry, we can use dell password recovery tool to complete this task. Windows Password Rescuer is designed for resetting dell Windows 7/vista/XP password. What you should do is prepare a bootable CD/DVD or USB drive and a computer you have access to. Follow four steps help you reset dell windows password without lose anything:
Note: You also can use Windows Password Rescuer to reset Windows 2008/2003/2000 local or domain password easily by these steps on dell computer.
Step 1: Download and install Windows Password Rescuer on another computer you have access to.
Step 2: Run the software to create a Windows password recovery disk. You just need to burn it to a blank CD/DVD or USB drive.
Step 3: Insert the Windows password recovery disk to your dell laptop or dell computer, and set the computer boot from the password recovery disk by BIOS setting. If you have trouble in BIOS setting, refer to:
How to set computer boot from CD/DVD.
How to set computer boot from USB drive.
Step 4: After boot from the password recovery disk, Windows Password Rescuer will start up and display a friendly operating window. Then you can reset whichever account password of your dell computer just by a few clicks.
You also can use Windows Password Rescuer to create a new user with administrator privileges for your dell OEM Windows without login. With this new user, you can login your dell computer directly and access control panel to reset other user password.

Dell OptiPlex... | 683 views | 0 helpful votes

Hey there, After doing some googling it seems that the default key for dell PCs to access the recovery partition is pressing CTRL+F11 while your computer is booting up.

I hope I was able to help.

Dell OptiPlex... | 1,087 views | 1 helpful votes

you will have to reinstall windows 7from the install disks. there is no key command that can reinstall an operating system.

Dell OptiPlex... | 255 views | 1 helpful votes

Dell Optiplex 780, user forgot BIOS master password (which is necessary to change the boot order to run BartPE from CD and do an image backup).

There is a jumper on the mainboard called PSWD1, which is set (shorted). Remove power cable from PC (CMOS battery can stay in place), open the lid. Remove jumper from PSWD1. Reconnect power, start the PC, hit F2 to enter BIOS. All passwords should be reset.

Leave BIOS, power off the PC, remove power cable. Reattach jumper to PSWD1, close lid, reattach power cable. Start PC. Enjoy.

Dell OptiPlex... | 3,269 views | 5 helpful votes

ok 960 SFF is not the same as MT or the big case MOBO.
SFF has its own mobo (motherboards)
it has 11x2 row non ATX spec, power . not yours as it has 12x2 some SFF have 2 diffr. mobo
and a dell custom PSU for just this mobo and its odd duck jack. (called PICO plug)
why not buy a new PSU? that matches this PC?
even the SFF PSU case is not ATX spec.

Dell OptiPlex... | 371 views | 0 helpful votes

Please see picture below


Dell OptiPlex... | 2,401 views | 0 helpful votes

Go into device manager. Uninstall audio driver.

Restart computer.

This will reinstall the default driver. Try again.

If it doesn't work, go to Dell website to find specific driver for your computer (using the service tag) and install that.

Dell OptiPlex... | 150 views | 1 helpful votes

What are you talking about? Video card?

Dell OptiPlex... | 69 views | 0 helpful votes

Desktops PCs usually have a 'jumper' on the motherboard, inside of the PC, that resets the BIOS, removing the password but also changing some settings to their defaults. It takes some 'know how' but you can google it to help you locate it.

Dell OptiPlex... | 63 views | 0 helpful votes

Reboot and try again. If happens again try resetting your browser.

Dell OptiPlex... | 53 views | 0 helpful votes

That is not an option , they are not downloadable .U have to buy the operating system perhaps at Best Buy

Dell OptiPlex... | 74 views | 0 helpful votes

Gina Gantt,
You can click the link below for possible resolution to the error message.
You cannot bypass the administrator password. Click the link below to read the MS article on forgotten or lost passwords.
There are programs on the internet that will help recover the Administrator pw for you.
Thank You,
Dell-Jesse L
Dell Social Media and Communities

Dell OptiPlex... | 78 views | 0 helpful votes

you could try replacing the power supply. if it still does not work, you probably fried the processor or motherboard. (or both). just make sure the replacement power supply has the same type of connectors on the power leads to the motherboard, hard drive, etc.

Dell OptiPlex... | 98 views | 0 helpful votes

If you've never defined a password, leave space blank and press enter. Maybe should accespt it as password

Dell OptiPlex... | 173 views | 0 helpful votes

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