Question about Dell Optiplex 755 Desktop Desktop Computer
So what am doing now....
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Posted on Jan 02, 2017
SOURCE: Plug & Play Configuration Error
this may not be your ethernet card that is causing the fault, it is probably a flat cmos battery (CR2032) disc shaped battery normally close to the memory slots. This will need to be replaced, it's a simple job, just remove side panel of tower and flip the battery out and replace, probably cost $3.00. You will then be prompted on the next boot up to press f2 to set the date and time and then save and exit again for a reboot
Posted on May 29, 2007
Got to BIOS by pressing F2,check or any floppy setting and disable it even in boot order setup.This will solve your problem otherwise replace the lithium CMOS battery.
As you have reset the BIOS setting to it's default setting.Floppy drive is enable by default whether your system have a physical floppy drive or not.
Posted on Dec 24, 2009
One of the cooling fans inside the case of the computer (where you put cd's in, and plug all your cords in. There will be at least 2 fans in your unit, but probably 3. The fans keep the computer running cool, preventing damage to the sensitve chips and electronics inside your computer. There is a big fan near the top of the case, this is for the power supply. This is probably NOT the culprit. You can remove one side of the case by removing two of three screws. (dont be nervous, you wont wreck anything.) With the case off, turn the computer on and look for the fan that is not spinning. Turn the computer off. Check the wires running from the fan to the computer (should be three) two are for power, the third sends the signal to the comp telling it its speed and whether it is working or not. If everything checks out, then you just need a new fan. There are only two sizes, but you should be able to remove the fan by disconnecting the wires (mark where they went!!) and removing the phillips (star) screws that mount it to your case. Take the old fan to radio shack or a comp. suppy store and match it up. All computer fans are 12v with 3 connectors. You should be able to manage this repair yourself. You will not break anything, just be sure the power is off when you are removing the fan and take care not to slip and damage something when you are removing and installikng the fan.
Posted on Jan 16, 2010
If you have another keyboard try swapping it out and see if it reads the new one. Also a stuck key could possibly cause this error. System battery message probably means you need a new battery for the motherboard. If you replace the battery get the new one before removing the old one. If you leave it out too long you can clear the CMOS
Posted on Oct 15, 2010
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SOURCE: when start my pc it
Hi, You can try power drain first. Power off system , disconnect power and press and hold power button to discharge stored power, then remove memory module 1, then reseat it by inserting it with the levers extended to the sides and press down with thumbs until the levers snap in place vertically on their own. if no change, replace module. \quote While reseating the Memory Module please Handle with care. Quote/
Posted on Dec 29, 2010
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