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kblaine

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16 Posts

34872

January 15th, 2014 19:00

USB and VGA connections not working

I bought an Insiron 560 2 1/2 years ago new from Dell (warranty expired). I set it up, made sure it worked OK and then put it away as a spare or for someone else in the family if needed. Just pulled it out today for the first time. The computer powers on. But the USB keyboard and USB optical mouse don't respond. (The chime you usually hear when connecting USB does not sound.) Nor does the optical mouse light up nor do the keyboard indicator lights for caps lock, etc. light up. I tried every one of the USB ports on the computer.These devices work OK on my other computer. In addition the VGA monitor says there is no signal from the computer. It has an automatic detect and also a manual selection for VGA. It is the same monitor and cable I'm typing this post on but with my other computer. I can't use Dell's online diagnostics because I have no monitor signal. Any ideas other than taking it out for repair?

DELL-Ravi Ch

Moderator

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7.1K Posts

January 16th, 2014 04:00

Hi kblaine,

I’d suggest that you follow the steps mentioned below and check for issue resolution.

  1. Switch off the computer.
  2. Disconnect the power cable from the wall.
  3. Disconnect all the peripherals from the tower
  4. Press and hold down the power button for 15 seconds.
  5. Then connect back all the peripherals and check if you are able to switch on the computer.

Also, I suggest you reseat a few components, like memory, hard drive, optical drive, wireless cards and see if that make a difference.You may refer to manual in the link below for removing and reseating of components.

http://bit.ly/1matd6q

Please let me know if this helps.

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