A voltage spike on the mains may have caused a high current to flow from the monitor to the PC (through the HDMI cable), causing damage to your gfx card.

Leave off for ~5 minutes (long enough to make sure all the capacitors discharge).

Restart the computer and check the display. Power outage.

Plug the power cord back in.

I have a Samsung SyncMaster 240 monitor.

The monitor is obviously working though since it's displaying an image. I have dual monitors running and after booting up my computer from a power outage recently it seems both monitors display the same image rather than being dual. But if that doesn’t solve the problem, it’s.

It has two USB 3.

But if that doesn’t solve the problem, it’s. " commands, like Wake on LAN, Wake on Mouse. I have a Samsung SyncMaster 240 monitor.

It has two USB 3. .

.

There is a always a possibility that the monitor is fried due to high-voltage kickback which, according to Lenz's law, can happen when blackouts occur.

Reconnect the monitor and power it on. Unplug the power cable or AC adapter from the computer.

We had major power flashes the other day and my Sanyo dp50740 Plasma TV went on an off and then it shows no signal. Plug the power cable back in, followed by the DisplayPort cable.

Posted 26 November 2016 - 12:52 AM.

class=" fc-falcon">Fix 2: Check if the monitor is working. LINDA: OK. .

But if that doesn’t solve the problem, it’s. . . 6 was installed via Right click on mouse > Intel Graphic settings> Alternatives and support > Support > Get the latest driver for Intel graphics. Restart the computer and check the display. If it works, there’s no practical reason to worry about what could have happened.

Switch off the PSU, unplug the power cord, then take off the side panel and pull the motherboards CMOS battery (CR 2032 button battery).

My entire town had a power outage out of the blue, power in my house shut down for about 20 seconds and then kicked back on. If the cooling fan is not running when the computer is turned on, then the.

Switch off the PSU, unplug the power cord, then take off the side panel and pull the motherboards CMOS battery (CR 2032 button battery).

Make sure it clicks into place, and then turn your monitor back on.

I went to personalization and resolution settings to detect the second monitor but it wouldn't detect.

This time, however, the power light came on green right after power was restored, then faded to barely on, then standby orange, but now it’s just off, as if it’s not.

Then you proceed to repair the computer:.