My Presario V5000 made a crackling noise near the power cord insert when I tried to boot up this morning. Also the fan runs. I changed out the power cord - that's not it - and the fan stayed running till I took the battery out (and runs again when I put the battery back in). I had it on a trip and everything worked fine- didn't drop it, etc. - and I inpected some of the interior and could see no damage of any kind. help?
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Your laptop runs on 18.5 volts DC at 3.5 amps.....Check the output on the printer power pack, if it is not the same, you have probably cooked your motherboard and that is what you will need to replace. Laptops do not under any circumstances like power that is not speced to thier configuration.
Please try to plug the power cord into the source and used DC power source. Let the laptop charge for 5 - 10 minutes then after the given time please turn on the laptop. If it does not work extend the time from5 -10 to 15 - 30 minutes then repeat the stpes again. If it does not turn on then please try to check if the battery is charging. Then if all the procedure you have already perform and still no positive result then i advice you to please find a computer technician in your please and let that person fix the problem for you.
Looks like a bad motherboard ,have you tried another power adapter the one that connects to the wall socket.
The motherboard could cost over $100 ,chepaer on Ebay or you could take it to a Compaq/HP service center and ask for a quote on the repair.
Is there a power switch on the back of the power supply which is not on? Make sure the power cord is good and plugged into a good power source. Do the fans run inside the system? Is the fan for the power supply working? If not the power supply could be bad. You can purchase a power supply tester to plug the mother board connector into to verify the operation for about $15.00. Do you see any lights on the mother board and the Hard Drive light flickering? If you do and your Key Board lights are on your video controller or monitor could be setup wrong or defective. If the power supply tests good then you need to test the memory and CPU. You could also carefully remove all boards except the video card, mother board and memory and see if it boots up.
Depending on your Bios Version I think later then V44 fixed a bug that would cause your computer no to start if the battery was dead with the V5000. Remove the battery and try booting from just AC power.
I have also had the same issue when my bios battery is loose or dead. The battery can be accessed from the memory area. Once you open it on the left should be memory and on the right will be the wifi card. You don't need to unplug the cables just remove the wifi card and examine the battery. The battery is held by a very very flimsy piece of platic and really easy to break. The best thing I have found is using a little piece of cardboard from a box or something and using it to keep the battery tight, just dont go shaking the laptop alot and it will hold it. It might also be possible your bios battery is dead.
From what I say I would hit power it would power for about 3 seconds the power light would flash then turn off.