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Dell Optiplex 755 Diagnostic Lights


Being the only electrical engineer in this company, it was up to me to figure out the problem. 5 minutes of search, I see your solution. the "test" button on the back of the pc lights green, makes the fan turn at full speed, but once you let go, It will turn off. Sign up! The light on the monitor is yellow , and so is the light on the computor itself. http://pghtix.com/dell-optiplex/dell-optiplex-780-diagnostic-lights.html

Any ideas what could be wrong or how I might fix it? any other advice?
btw thanks so much for sharing this solution steps!I had the same issue with my OPTIPLEX 745... esc didn't work to get off the screen and neither did ctrl alt del didn't either so i turned it off at its power button. I do not have another system to test ddr2 ram on. · actions · 2013-Nov-9 3:04 pm · asdfdfdfdfdfPremium Memberjoin:2012-05-09 asdfdfdfdfdf Premium Member 2013-Nov-9 3:29 pm When you say you switched

Dell Optiplex 755 Diagnostic Lights

The light on the monitor is yellow and so is the light on the computor itself the monitor tells me that its on standby and to strike a key, but nothing It worked!!!! I'm stumped...

There is NO GREEN wire in the 24 pin connector. Thank you! One is to fix the connector. Optiplex 755 Beep Codes Way to go curtisg!!

Please try again later. Dell Optiplex 755 Error Codes 3 And 4 Just did the dust blowout thinking that could have been cause. However if the center pin is not making a connection the pc does not know that the charger is correct and will not let the battery charge. weblink after a few seconds i tried to turn it back on again but the soft ware was unresponsive.

M Colin I have a windows vista (it says Dell on the side) when i boot it up the light is orange and there's a clicking noise. Optiplex 755 Solid Amber Power Light Also, check the diagnostic lights to see if the specific problem is identified (see Diagnostic Lights).Diagnostic LightsTo help you troubleshoot a problem, your computer has four lights labeled "1," "2," "3," If the problem still exists, install a graphics card that you know works and restart the computer. Sometimes at my school, we have had dell computers that don't turn on at all because the USB was shorted so it was a simple fix just to lever the bent

Dell Optiplex 755 Error Codes 3 And 4

i7 870 DH55TC two beeps no video no boot solved Dell Optiplex 755 Minitower won't boot - when push power button, amber light flashes, other problems.. http://www.dslreports.com/forum/r28803190-memory-dell-optiplex-755-sff-lights-3-and-4 This will give you more insight into whether you likely have a bad stick or might have a bad slot. Dell Optiplex 755 Diagnostic Lights Memory modules are detected, but a memory failure has occurred. Dell Optiplex 755 Diagnostic Lights 1 3 4 Or is it simply the power supply?

GREEN led on power board 1 does NOT light, on #2 ORANGE blinking. http://pghtix.com/dell-optiplex/dell-optiplex-990-specs.html lawrence wright Jan 03, 2016 10:13: my optiplex 755 went to save power, and i cant get it to come back alive. however for real heal you need to disassemble power supply and replace bad caps. Apparently machine is not shutting down like it should. Dell Optiplex 755 Orange Power Light Blinking

Dave Clicking is not good. Create your own and start something epic. This PC uses one of those proprietary Dell connectors to the video card, which then connects to DVI. his comment is here None.

System restore did not solve problem nor did last known good configuration. Dell Optiplex 3010 Diagnostic Lights 3 And 4 If those check out, or you don't have spares, then try testing the RAM. PLEASE RESPOND with more fixes.

The good stick was in 3.I put the new ram on 1 and 3 also 2 and 4.Sometimes when putting only one stick in 4, I was prompted to install in

Verify that the memory modules that you are installing are compatible with your computer (see Memory). PC Won't boot, no fans, lights, nor beeps. So my question is what went wrong with the ground wire thing your site describes -(OLOD orange light of death)- . Dell Optiplex 745 Diagnostic Lights Upon power on, it gave off a different boot sequence to signify no memory.2.

Is this a sign that the boards are BAD? Ask ! Then look for the manual and confirm that that's what the blinking yellow light means. Mike S Okay, thanks. weblink when i tried to remove power cable then put it again and turn on power button nothing heppen.

Loading... That's how happy I am that this worked. the light is 3,4 and also the trash can drawing is lighting. Got it, continue to print 2012-2017 ManualsLib.com About Us About ManualsLib Privacy Policy F.A.Q.

Do you think it could be a bad power supply or Mother board ?

gdaily1, I tried your soloution on my Dell Optiplex 745 and it didn't work. Add to Want to watch this again later? Dallas Officials, T-Mobile Investigate 911 Ghost Call Issue [T-Mobile] by PX Gershom261. A possible processor failure has occurred.

I have two power boxes and I have tried both of them and now I'm clueless the monitor wont come on but is says its working correctly I am so lost. Dale Mahalko 29,732 views 4:01 Dell Optiplex 755 won't turn on? - Duration: 1:00. Ensure that no special memory module/memory connector placement requirements exist (see Memory). All Rights Reserved Tom's Hardware Guide ™ Ad choices Articles & News Forum Graphics & Displays CPU Components Motherboards Games Storage Overclocking Tutorials All categories Chart For IT Pros Get

You can either use the Dell built-in diagnostics (F12 during Dell splash and select diagnostics), MemTest, or Windows memory diagnostics. When you press the power button to boot the PC, the light should be green and remain green under normal circumstances. Power light never did come on....Thanks, Paul

Thank you for sharing this.