So here's the problem that recently appeared out of nowhere.
After waking up from sleep (or in rare cases turning the monitor off and back on), the completely black screen may appear.
I say "may" because the problem appears completely randomly. First, the desktop flashes for a split second, and then screen goes all black.
The monitor power indicator LED glows continuously, which means the monitor is receiving the signal from the graphics card.
However, the screen is completely black - even the backlight is off, just as if the monitor was turned off completely.
I find it quite uncommon for a monitor to receive the signal, have the backlight turned off, and the indicator glowing continuously at the same time.
I can still use the computer, because I managed to restart it by a key combination - in other words, the computer is not frozen.
First, I try power-cycling the monitor. Desktop flashes for a split second, and screen turns black. I tried re-connecting the DVI cable, same thing happens.
The monitor finally stays on after several power-cycles. I've tried re-seating the graphics card and RAM, but it didn't help.
I updated the system and video BIOS, I have yet to see if it helps. Drivers aren't the culprit here, since the problem happens with both old and latest ones.
I'm trying to figure out whether the problem lies in monitor or graphics card. Unfortunately, I don't have a spare monitor or graphics card to test.
The monitor is connected via DVI cable, I will try connecting it with HDMI cable (when I get one) to see if it makes any difference.
I sincerely hope the problem is with the graphics card and not the monitor, since I'm quite accustomed to it.
System:
Gigabyte GA-970A-DS3P
Radeon HD 7750 1GB (connected to LG 22EA53 via DVI),
AMD FX-4130
8GB DDR3,
Windows 7 x64.
After waking up from sleep (or in rare cases turning the monitor off and back on), the completely black screen may appear.
I say "may" because the problem appears completely randomly. First, the desktop flashes for a split second, and then screen goes all black.
The monitor power indicator LED glows continuously, which means the monitor is receiving the signal from the graphics card.
However, the screen is completely black - even the backlight is off, just as if the monitor was turned off completely.
I find it quite uncommon for a monitor to receive the signal, have the backlight turned off, and the indicator glowing continuously at the same time.
I can still use the computer, because I managed to restart it by a key combination - in other words, the computer is not frozen.
First, I try power-cycling the monitor. Desktop flashes for a split second, and screen turns black. I tried re-connecting the DVI cable, same thing happens.
The monitor finally stays on after several power-cycles. I've tried re-seating the graphics card and RAM, but it didn't help.
I updated the system and video BIOS, I have yet to see if it helps. Drivers aren't the culprit here, since the problem happens with both old and latest ones.
I'm trying to figure out whether the problem lies in monitor or graphics card. Unfortunately, I don't have a spare monitor or graphics card to test.
The monitor is connected via DVI cable, I will try connecting it with HDMI cable (when I get one) to see if it makes any difference.
I sincerely hope the problem is with the graphics card and not the monitor, since I'm quite accustomed to it.
System:
Gigabyte GA-970A-DS3P
Radeon HD 7750 1GB (connected to LG 22EA53 via DVI),
AMD FX-4130
8GB DDR3,
Windows 7 x64.