Having problems with your Dell OptiPlex GX280 PC Desktop ?

Instaled geforce 9500 starts to boot and shut down power light blinks on and off can you help. jimmy

Answers :

Does this Computer have an on board Video card and you installed another card as and upgrade? If so try to get in to the BIOS and ck for a setting to disable the old on board card. You may have to open her up and look for small switchs on the Mother board to disable the old card. What is going on is you have an IRQ clash, two things trying to do the same thing at once.
Repair Help & Product Troubleshooting for Dell OptiPlex GX280 PC Desktop

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