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Dell Optiplex 745 SFF Solid Orange light no start


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#1 dbanks1324

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Posted 19 November 2013 - 10:08 PM

Ok so i have an Optiplex 745 Small Form Factor that i have been working with and to start it would not boot up at all.  It would cycle power on then back off continuously.  So opened it up and had several capacitors bad on the motherboard so i replaced the board.  And put another Power Supply in it as well.  Now I still get the Solid amber power buttton light but everything sounds like the hard drive is booting and CDROM will work but there is no display and the fan runs wide open.  Never gets to the BIOS or anything.  The power switch still works to cut on and off, at a dead end with it for i have 2 of these in the closet i would like to get running.  Thanks for any input

 

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#2 Roodo

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Posted 19 November 2013 - 10:30 PM

have you checked the memory? take them out and boot up. Replace one at a time to determine if a

stick is bad (if at all)



#3 dbanks1324

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Posted 19 November 2013 - 11:35 PM

yes I have tried both sticks and still nothing. it never boots up, no screen either. starts to sound like it's gonna boot up, but the fan kicks on high and nothing

have you checked the memory? take them out and boot up. Replace one at a time to determine if a
stick is bad (if at all)



#4 jhayz

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Posted 20 November 2013 - 01:01 AM

Try removing the hard drive along with the optical drive's power/data cable and check again. Remove the PSU mobo power connecter and CMOS battery then press power button for 30 seconds. Reattach the mobo power connector and CMOS battery and leave the drives first then try powering up. Any changes?
 


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