Dell optiplex diagnostic lights Tags: Light Optiplex Dell Motherboards Last response: May 28, 2010 12:53 PM in Motherboards Share Anonymous a b V Motherboard May 28, 2010 10:10:40 AM Hello, diagnostics lights on the optiplex 330 1 is flashing and 2 is off. what do this lights stand for More about : dell optiplex diagnostic lights faint545 May 28, 2010 12:53:36 PM I would recommend you go to Dells website to obtain the manual for your specific system. Here's the link: http://support.dell.com/support/topics/global.aspx/supp... Click on the choice to "Choose by service tag" and enter your service tag. Then download the manual for it. In the manual will be a section about diagnostics and diagnostic lights. Can't find your answer ? Ask ! Publish Related resources: ForumOptiplex 780 - diagnostic lights problem. ForumHelp with diagnostic lights ForumOptiplex 745 will not boot: two beeps and 1-2-3 lights on ForumAuxiliary power led is amber on my dell Optiplex 745 is amber and it wont boot ForumDell Optiplex gx520 motherboard upgrade - new motherboard wont boot. ForumDell optiplex gx 270 boot failure!! Yelp!!! ForumDell diagnostic lights 2, 3, &4 ForumDell Dimension 2400 Diagnostic lights ForumDell XPS 600 diagnostic lights 123 ForumDiagnostic Lights on Dell PCs ForumDell Optiplex GX520 wont post ForumOptiplex Gx620 Beeps But Boots ok ForumDiagnostic led lights on Dell GX 50 ForumDell Optiplex Lights on before Switching on ForumDell dimension c521 diagnostic lights 2 and 3 is on. ForumDell dimension 8400 fault. No diagnostic lights are on ForumHelp updating BIOS ForumDell dimension xps gen 3 motherboard ForumDell optiplex ram problem Forum[Solved] Dell 1 beep no ipl More resources Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !