Having problems with your HP Compaq Presario SR1720NX (EL435AA) PC Desktop ?
Stuck on Compaq Screen and keyboard dead
\015 Left computer on overnight. Came back to frozen screen...pointer that wouldn't move. Couldn't hard reboot. Unplugged and replugged. Now it is stuck on the Compaq screen. Can't reboot or get into bios because keyboard not responding now. When I unplug keyboard and plug back in, lights flash once on keyboard and then it goes off again. This computer is one year old and I've never had a problem with it before.\015
I would take the cover off and reseat the memory, video card, and processor. Make sure your fan(s) are working too, and blow any dust out of it if you see a lot of build up.
Repair Help & Product Troubleshooting for HP Compaq Presario SR1720NX (EL435AA) PC Desktop
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