Dell optiplex 780 service manual--diagnostics, Dell diagnostics when to use the dell diagnostics. it is recommended that you print these procedures before you begin.. Tektip: dell optiplex light code and beep code, To help you troubleshoot a problem, your computer has four lights labeled "1," "2," "3," and "4" on the front or back panel. the lights can be off or green.. Optiplex 980 3-2-4 beep code + 3 4 amber indicator light, 3-2-4 beep code = keyboard controller test failure. diagnostic leds 3 & 4 = memory modules are detected, but a memory power failure has occurred..
4 gb ram upgrade problem - optiplex 780 desktop, Good day, thank you for your services. i am trying to upgrade my desktop computer model # optiplex 780 and it is standard items i dint touched it before, after i did. Dell diagnostic lights 1 and 3 on an optiplex 790 error, How to fix dell diagnostic error code lights 1 and 3 on a dell optiplex 790 sff small form factor. if you get error codes 1 and 3 - this means you need to. Dell diagnostic lights 2, 3, &4 - prebuilt - homebuilt-systems, Hi, i'm having the same problem. lights 2,3,4, but i've tried reseating all the usb's, nothing. my question to you is, why did you reply "motherboard went.
Optiplex 780 will not boot: 1 & 3 lights blinking & power, Optiplex 780 will not boot: 1 & 3 lights blinking & power button blinking amber. Dell optiplex 760 [microsoft authorized recertified] ultra, Dell optiplex 760 [microsoft authorized recertified] ultra small form factor desktop pc with intel core 2 duo e7400 2.80ghz, 2gb ram, 160gb hdd, dvdrom, windows 7. Optiplex 960 error codes 3 and 4 at startup. solid amber, Optiplex 960 error codes 3 and 4 at startup. solid amber light. error message on screen: there is no signal from - pc desktops question.