If i switched on my pc, for the first 5 minutes it is working normally as usual. but after that, some grains like in tv , it appears. after that some fluctuations occurs with the colour black and white images.then, the whole display disappears.
no problem in video ,or power.
i have checked that by replacing with my friend's monitor , it is working as normal. so , wat my thought is the problem is with the monitor , or data cable or inside the circuit .... i m sure that it is not with the cpu
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You have a PC connected to a monitor.
Now the PC is beeping and there is no display at your monitor
PC beeping most likely can be of the RAM.
1) Switch OFF PC and Main Switch
2) Give the motherboard to discharge (5 minutes)
3) Use a anti-static wrist strip
4) Remove RAM
a) Do not touch the connections of the ram with bare hands
b) Use compress air spray in short blasts to clean the connections and RAM slots
c) Make sure this is done in a well lighted environment. You can trace the dust and remove it with an anti-static cloth.
5) Put RAM inside the slots
6) Switch ON
If above fails
1) Try replacing either your RAMs or PC with a friend's good working conditions.
Please note, since you are removing your RAMs, anything and everything can happen. So be careful and hope for the best.
Get your hard drive into your friends working PC as a secondary and transfer the data into an external hdd. This way your data is saved.
after switching on everything check backside of your system (cabinet) - fan must be running normally - if it is running slowly or if it is not at all running then SMPS is deffective - IF FAN IS RUNNING NORMALLY THEN .....switch off everything - remove monitor's cable from system (cabinet ) & then switch on only monitor - then you will get ''no signal '' or some display or some colour on monitor - that means your monitor is ok & problem is with system - if you don't get anything then your monitor is deffective - IF MONITOR IS ALSO OK THEN.....switch off everything ....open cabinet's cover ...observe carefully ...on main board 1 cell (round shape)will be there - remove it & check its voltage using multimeter ...it should be atleast 2V & above ....maximum it will be around 3.2 V - if it is not ok then replace it ....IF CELL IS ALSO OK THEN ....remove RAM & re insert (in same slot or another slot)......then switch on .....if it works ok otherwise for testing purpose bring same type of RAM & fix it & check......if it works ok then RAM is deffective OTHERWISE ......there is a problem in main board................if you are using display card (graphics card ) then remove it & reinsert on another slot .....also observe on graphics card whether any capacitors are blown ......on main board also observe whether any capacitors are blown.....if possible for testing purpose bring 1 graphics card & check it ......technical person can do all these things easily ....for non technical person it is difficult............so if you can do ....try it otherwise call service engineer................iam babu - service engineer (computers, laptops, printers, etc..) - bangalore - domlur - 09986222774 - firstname.lastname@example.org ....
You can try the monitor on another computer to verify it is the monitor and not the display card at fault.
I'm assuming this is an LCD monitor. If you are sure the monitor is the problem, then your monitor's display driver circuit is probably getting close to failing. When one of the three colors (red, green, blue) becomes intermittent, the screen takes on the hue of the working colors. In your case it sounds like the blue is starting to fail.
A repair technician may be able to replace the circuit.
sure not hard at all. if the monitor is connected to the default onboard video adapter, this is usually one of the first things to malfunction on a new computer. if the monitor works when connected to another machine, but when connected to the desktop the monitors amber or orange light comes on but no video, this usually means there is a connection problem. usually most modern monitors will display a "no input" or "no video" message meaning the connection to the computer is bad. try getting a new video adapter (usually pci/pcie video card) and installing into the pci/pcie video slot in the back of the computer. most are plug and play and require little to no configuration. you should be able to find a nice one for about $20 - $30 dollars at www.tigerdirect.com . hope this helps. please rate me and thanks for choosing enterprise computing solutions.
tricky!! oh hi im Dyanne.. a totally unresponsive black screen can be th result of failure of th LCD or LCD inverter.( a specialized piece of electronics that energize th screen) to rule out th failure of th video display adapter or circuitry, try plugging in an external monitor..a standard pc monitor.. attached direct to th lappy. if it works, (as i susopect) th motherboard and video display are both working ok and its th LCD which is at fault. this can sometimes be repaired by a competent specialist. good luck xx