Start the computer monitor without signal

Beginning, start to the half of the display shows “no signal”, can occasionally successful start, such as now, sometimes directly show “no signal”, “no signal” after the host was also normal turn.Computer use for a long time, 3 years …It has been good before, where exactly is the problem? Is a hardware or software problem?

Please check To connect a computer monitor and computer data lines and the power cord is pulled to the best re-inserted into the
to another computer that is open to pull out the memory card and use the eraser rubbed under their golden finger will be able to go back and play is a look at the Not display wiring problems ah! There are so willing to loose the data line, you can be a tight,
not work if your card is not the fault appears to connect, check card is not a wiring problem.The floor has been said The very comprehensive, that is the reason for that is the general card, memory, or dirty, pulling down about cleaning up the dust on the inside of the line!!! Contact with the general problem is.If the machine does not report to the police or the test card showed that 00 or FF, at the same time light and power the hard disk light has been lit, that is, between the CPU and motherboard.May be no contact, may be a bad CPU, the motherboard may be about 75% of the bad, are not allowed to say.Conditional and prepare Supplies to test it, did not repair it.But in general the possibility of access to the most, be able to account for.At the same time, look at the motherboard CPU has been around Na Yipai capacitor breakdown, a breakdown of the drums will come out, and some have even Will flow “yellow water” (electrolyte).Capacitor problem and it will lead to the problem.'s Installed capacity will also be a friend to the next board down and main board at the base of the back of the CPU, with 95% ethanol plug inserted, may be Good, because the dust problem.
Second, if the machine or boot ring has been stopped a long time, the display card or detection of C1, D1, E1, etc.(see BIOS chips), taking into memory.Power to the memory Unplug And do a clean look, and then rubbed on the skin remove Goldfinger oxide can also be used, such as wire or blade slot to scratch, and then planted at the direction to go.Attention must be at the direction, but to the anti – Note the burn! If you have or can not consider whether the damage to memory or whether the damage to the motherboard slot.
Again, if the machine stopped short boot-ming, or be able to detect card C1-off shows such as the A7 (see BIOS chips), consider the card.Method With the memory.If the card has been detected to be able to show the normal number of 26,32,65 and so on, that can have a normal start.Display at this time if there is no response, it is necessary to consider the damage to the card.
Finally, the display is Problem.This is very simple, take another test on a host of clear.