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OptiPlex 755 Mini Tower Won't Power On


If the power button light is amber, it could be a power supply issue. Then there was some orange light that was flashing or continuous. Found out that lights "3 , 4" are RAM errors. My dell optiplex 755 runs on windows 7 how do i boot into safe mode Dell optiplex 755 wont turn on My dell optiplex 755 wont turn on Dell optiplex 755 Source

It causes most ATX power supplies to bring power to the fans and connectors. Try booting the PC with a single stick at a time in each available slot and see if the symptoms change. I depressed and held the power button for about 20 seconds to see if it would restart, when I let go of the power button, I hear the familiar whine of If the fans start at full speed, press the power button and let the wire off 11. http://en.community.dell.com/support-forums/desktop/f/3514/t/19994415

How To Fix Cpu No Power

the rear of the power supply should have a rocker switch that you can turn off. (its equivalent to pulling the plug... I have "fixed" a number of these computers with this same problem.

I tried this already. Autoplay When autoplay is enabled, a suggested video will automatically play next.

solved Dell Optiplex 755 desktop power supply solved Will the GeForce GTX 950 fit in my dell optiplex 755 mini tower? The built-in Dell diagnostics may help here since they will test the built-in video card (maybe the discrete as well if applicable) in addition to the other system components. decent power supplies run anywhere from $40 to over $100 depending on wattage. Dell Power Supply Reset Button AlemanTech 122,614 views 10:57 Dell Optiplex 745 Blinking Amber Power Light..!!! - Duration: 1:38.

what can i do?? Pc No Power Motherboard Light On solved Dell Optiplex 755 gaming build power consumption help... Loading... http://www.tomshardware.com/forum/id-2966660/dell-optiplex-755-turn.html See if it will start with the HDD unplugged.

Whichever you prefer is fine. Pc No Power Motherboard Light Off DJM Computer Repair 6,807 views 4:13 Mi pc Parpadea color Naranja DELL Optiplex ( Detallado ) - Duration: 10:57. GREEN led on power board 1 does NOT light, on #2 ORANGE blinking. In the past removing 2 memory cards worked for about two months but now it won't boot at all.

Pc No Power Motherboard Light On

You generate more electricity statically than the machine runs on. browse this site LED light on motherboard is glowing, so I know it is receiving power, but none of the fans are turned on. How To Fix Cpu No Power If none of those work, you probably have a bad CPU or motherboard. Dell Power Supply Test Button Loading...

Step By Step: (Disconnect all cables, Inc the power) 1. http://waterjetmedia.com/optiplex-755/optiplex-755-sff-for-gaming-looking-for-gpu.html IT WORKED!!! Always 2 times. All submitted content is subject to our Terms of Use. Optiplex 755 Blinking Power Button

Been trying every type of fix out there with nothing that works. woodenboxNov 26, 2013, 12:54 PM I don't think it's the power cable, but if you have a spare it doesn't hurt to try. Posted by DELL-Chris M on 14 Oct 2016 6:55 Thanks for that explanation. http://waterjetmedia.com/optiplex-755/optiplex-755.html If you cannot get the MB from DELL, you can try ebay or something like that.

Dell must have changed power supplies later on. Optiplex 780 Power Supply Reset Button Both of these items are right beneath the power cord connection. the fans only come on when i forcibly add power to the Power Unit and then press the power button to make it turn on

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If you have tried each stick individually, or you only have one stick and are still getting the same problem, then run diagnostics on the memory.

Thanks so much. Pb House 19,044 views 1:38 Amber orange light problem in DELL - Duration: 28:21. Then pushed power button again and flashed amber. Dell Optiplex 755 Won't Power On Discussion is locked Flag Permalink You are posting a reply to: Computer won't power up ---- no green light, no fan activity The posting of advertisements, profanity, or personal attacks is

i have dell 745 system.

I Try this but no effect. Working... P.S. http://waterjetmedia.com/optiplex-755/optiplex-755-graphics.html Please refer to our CNET Forums policies for details.

We had to send back our first one from our company because the technician told us the motherboard was corrupt and the system was still under warranty. 1 week downtime and on mobo the orange light is on. Published on Apr 23, 2016Worked before I stored, got it out after a few months now it won't turn on.