Home > categories > Consumer Electronics > LCD Monitors > LCD screen black, every time re inserted the power supply, and how can I do?
Question:

LCD screen black, every time re inserted the power supply, and how can I do?

My monitor just bought 2 months of appearance, should not be the reason of the monitorTwo days before the emergence of black screen phenomenon.The first time black, I forced to shut down, never opened, each boot. The sound that can be heard when the machine starts is that the display just shows the trademark and is always black,On the second day, I plugged in the power of the monitor again and spent a day, but it's dark again todayI had to take the key again. But I am worried and black, which master to help me analyze and analyze?..

Answer:

The display of data cable jack and host graphics card connection problem, or graphics card problem!
The frequency of the monitor will try to 60HZ desktop right click Properties "Settings" senior "monitor" the screen refresh rate (below words cannot display hidden mode before the hook played)
1. You can replace it or fix it during the warranty period, 2. Yes, there is a problem with your monitor; 3. Lose to a bad machine; 4. Your machine with a poor electronic components caused by the (machine in the large electrolytic capacitor leakage, storage power shortage caused by the supply of the whole machine voltage is slightly lower, so you can't start; 5. Is also possible that the machine in transit, resulting in bad contact hazards. 6. There are three hole socket display poor contact at.
LCD always automatic black screen reasons:1. check whether the card is in good contact with the monitor signal line.You can unplug the plug and check if there are bends, broken needles, and a lot of dirt in the D socket. This is a common problem for many users. In D - Jack, due to uneven force, or forget to tighten the screw jack, the jack is bad, or due to improper installation method too ambassador D shaped socket or curved needle, so that bad contact.2. open the case to see if the display card is properly installed and whether it is in good contact with the main board slot.The card or the slot is due to the use of time is too long and too much dust, and even result in poor contact; the display card chip is burning and cracking of the traces; cause black screen due to display card, the computer boot when there will be a short four long beep sound prompt. The installation and display card, display card to hand hold the upper part, even forced into the slot, so that the screw graphics card port and the main chassis screws do not coincide, forcibly fixed is not inserted, so as to avoid distorted graphics. If the installation is correct, you can remove the display card, wipe the pins with alcohol cotton balls, or install a slot. If not, try a good video card.3. check memory and motherboard contact is good, memory quality is excellent. Re - insert the memory or replace the new memory bar. If there is a problem with memory, the computer will have four consecutive beeps when it starts up.

Share to: