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Desktop computer will not boot


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#1 cberger01

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Posted 01 August 2016 - 09:40 AM

I have a desktop that was having network issues, connectivity going on and off. We did a shut down and now the computer will not turn completely back on. You see the lights on the CPU and hear the fan but the monitors say no signal. This is a DELL T7500. Windows 7.

 

Any suggestions are greatly appreciated!

Thank you



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#2 ranchhand_

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Posted 02 August 2016 - 02:17 PM

First, try resetting the BIOS as follows:

Power down; unplug your computer from the wall socket; press the power switch for 5 seconds (clears the capacitors);  remove the BIOS battery; move the Clear CMOS jumper per your computer manual book instructions, usually from one set of pins to another, wait 10 seconds, then move back into original position. Replace the battery and try to boot. Now...if your board does not have a clear jumper, then skip that step. Just remove the battery with the power cord disconnected, wait 5 minutes, then replace it. Try to boot.

 

Have you tried booting into Safe Mode? If you can, do a system restore to a restore date just before this happened.

 

Post back with results.


Help Requests: If there is no reply after 3 days I remove the thread from my answer list. For further help PM me.


#3 cberger01

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Posted 30 August 2016 - 10:54 AM

Sorry didn't get an email that you responded. I will give this a try. In the meantime we purchased a new computer because Dell tech support said with the beeps and lights on the computer the motherboard was bad. I would still like to get it to boot up just to uninstall some programs that have licenses that need deactivating.  Thanks so much!



#4 cberger01

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Posted 12 September 2016 - 11:58 AM

Taking in/out the battery did the trick. I could not locate any CMOS jumpers. Wish Dell tech support told me to do this. Would've saved a lot of headaches. Thanks much!



#5 hamluis

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Posted 12 September 2016 - 05:12 PM

FWIW:  If this is the original CMOS battery...or if you have a similar situation...it may be best to simply replace the current CMOS battery.  They don't last forever and a weakening/dying battery can cause strange system configuration issues.

 

Louis






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