There is a click on the computer, but the monitor shows no signal. What's the matter?
In general, the computer screen does not show or the computer does not start, there are four situations:1, memory loose, poor contact, dust, will cause the screen does not display, the computer does not start.Solution: Unplug the power, remove the memory, use rubber to remove the dust at the interface, and then clean it with writing paper. The memory alignment, finger against the deck at both ends of the thumb under memory, press down, hear "click" sound tight, OK.2, graphics cards loose, poor contact, dust, will cause the screen does not display, the computer does not start.Solution: Unplug the power, remove the video card, use rubber to remove the dust at the interface, and then clean it with stationery. The graphics card alignment, down compression fixed, OK. Video card damage, need to change.3, motherboard problems. Solution: Unplug the power, remove the motherboard battery, jump the CMOS jumper to the "colse" position, hold for more than five minutes, install the battery and resume the jumper. Just OK. Make or clip on the motherboard CMOS positive and negative pole conducting more than five minutes, will be OK.4, monitor, VGA connection problems. Solution: test it on another machine. Reconnect and tighten the VGA plug.According to your account, VGA connections, host memory, or graphics cards are loose, creating a greater likelihood of problems.Recommendation: in accordance with the first memory, re video card, after the motherboard and the order of the display to check, the efficiency of the search problem will be higher.
The sound drops on behalf of computer start, check your screen, to see whether the normal power supply, the switch is not open, then display the VGA signal line frequency and computer connection there is no problem, then not only another card to try.
Do not take the host, then unplug the power line display, display no signal input or OUTLINE prompt box, if there is not, said no problem, you can connect a line detection display and the host, there is if you have their own host integrated graphics and insert graphics card, you must pick the is the graphics card to display, if no problem, then you have to consider the hardware itself.
