I recently had a power outage for about an hour. My desktop was protected by a surge protector. After the power came on, my computer won't power up and there's no power light. However, there is a blinking green led on the motherboard. Does this indicate the power supply is good and the problem lies with the motherboard? I replaced the motherboard about 18 months ago. If anybody has any info or resolution please advise.

Check the cabinet temperature with an independent thermometer. If it is does keep a stable temperature the problem would probably be electronic.

A power outage is often accompanied by a voltage surge. Sensitive electronics and computers can be damaged by a voltage surge. People are used to protecting personal computers with surge protectors but fail to realise these days almost everything is a computer or contains a computer. Radios and tv sets are computers and so are cars and even the humble toaster these days has some computing power.
Today almost everything but the cheapest of appliances should be protected. A minimum surge protection can be obtained by using an area surge protector.

Check your surge protector, it may have tripped due to a surge in power.

If you didn't have it on a surge protector you could have blown a capacitor in the power supply. In that case replacing those is pretty simple just 4 screws and paying attention to what and where you disconnect from the mother board

have you try a different battery back up and surge protector there is stll a possibllity it did get damage any how.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f

First off: Protection is important and the ONLY way to go is with a UPS (Battery backup protector). These devices allow the computer to SLOWLEY close down and protect the motherboard and hard drives. Simple bar protectors are of little to no use whatsoever. As for the Start UP; the Boot Sector on the Hard Drive has been compromised. If you attempted to start with the F8 key when you started up the computer and failed to Boot in the Safe Mode, you definitely lost the operating system.
You can try to do a Restore, but that may not be effective.
When a Computer starts, there is usually a Beep (called a Post) and one Beep indicates the motherboard is active. Several beeps indicate a mal-function of the motherboard and it was damaged. In some cases, the Memory (RAM) can be damaged from electrical surge, and thus the computer will not start and the monitor will not be active. Do not touch the internal leads as they are not the problem. In closing, a CPU is very sensitive to power surge and the CPU in some cases can be defective. All in all, with so may options or repair issues; only a professional has the equipment to search for the solution. Good luck: [email protected]

Your monitor probably detect a power surge when the power comes back and an internal protection is triggered to shut the power input. (breaker).

Try using a surge protector or a UPS.

Probably should be tossed. But you can try plugging a standard lamp into it. If it powers your good on that aspect but no way to know if surge pretection is still valid.

hi disconnect pc and try to charge ups without anything connected

sounds like the surge protector didn't protect. I would change the power supply.

OK FIRST A POWER SURGE PROTECTOR WILL ONLY PROTECT YOU 7 % OF THE TIME, WHICH YOU JUST REALIZED. SO YOU NEED TO BUY A BATTERY BACKUP ALSO KNOWN AS A UPS.... I CANNOT STRESS THIS ENOUGH. BRING YOUR PC TO BEST BUY AND THEY WILL TEST YOUR POWER SUPPLY, IF IT TESTS OUT OK THEN YOU BLEW SOMETHING IN YOUR MOTHERBOARD. GET A BATTERY BACKUPS/UPS!!!!!!!!!!!!!!!

labefam,

sorry to say,but i agree,u rili killed ur computer..so the only thing u can do is to bring to a technician..coz there might sum parts of ur computer that were damaged..