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Hi, I got a serious problem with my PC. The PC was working as "normal", but the monitor display was not "perfect" :-). So I went to control panel->display->setting->advanced->monitor. I cannot remember what exactly I have done, maybe I disabled the only monitor, which is the "default monitor". Then the computer automatically re-started. When the window come-up, there is no display on the screen. I think the computer was started correctly, but just no display. By now every time when the computer was started-up, I can still go the Bios setting screen by press the "del" key. But the worst is coming. I went into Bios setting and did some changes, which I hope can help me to restore to the display setting error I made before. I am obviously wrong. Now there is absolutely now display any more. I even try to insert the window operation system CD to re-install the system, but it never works. I am in absolutely desperate status. Can you let me know how to fix the problem if it is possible? :-) Thanks, Mike

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  • mike2008p Nov 26, 2008

    Hi Dave,



    It works! Thank you very much for the help!



    I basically followed your option 2). A slight variation is that when I choose the "safe mode", the computer went to start the window and then screen became blank again. However it did not bother me too much on this. The important thing is now I can see the bios screen so that I can choose to boot from CD drive. Since I do not have much files needs to be saved in my harddrive, I re-install the window operation system from CD and now I can use my computer again.



    For your information, I can now recall what error I had made about the display configuration. I went to Display Properties.Settings.Advanced.Adapter.Properties. Under Devices usage, I choosed "Do not use this device(disabled)". Then the computer automatically restarted and the display gone. Maybe this is also the reason there is display even if in "safe mode"?



    Anyway thanks again for your help.



    Mike

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Mike,

I'd have to know the manufacturer and model of your PC to know for certain if this is the case. But based on the information I have, heres what I think happened.

Your 1st symptom sounds like you accidentally adjusted the resolution to something the monitor couldn't display. Which I could've walked you through starting up the computer in "Safe Mode" to resolve. But 1st we have to fix the BIOS setting.

If my theory is right this will be easiar to fix than you might guess. What I think happened is that your Computers Motherboard has an onboard video card. Now if your Monitors cable is plugged into a card in your expansion slots, then its as easy as moving the cable to Another VGA connector by the Mouse and Keyboard connectors, and then go into the BIOS and change that setting back. If you are currently plugged into THAT connector, then it's a little more challenge.

You have two options to fix this situation
1.) Get a video card to plug into your video card SLOT (There are a variety of slots that could be installed, If you have the Manual it can tell you what type. If not Message back here and I can look it up for you. Make sure you get the RIGHT card for that slot) Plug your monitor into that and you should get a display again. (If you borrowed the Vid card from a friend change your BIOS back. If you purchased a NEW card it is likely better than the ONBOARD so leave things as is)

or

2.) Unplug the computer. Open up the case, there should be a silver disc (Watch battery) on the Mother board. Pull this battery out. Near this there should be 3 pins sticking up with a label of CMOS. There should be a plastic block (Called a jumper) connecting the middle pin to one side. Move this jumper so it connects the OTHER side to the middle pin. Now let the computer sit for an hour. (This clears the settings in the BIOS so they change back to the factory defaults)

After the Hour move the Jumper back to its previous position, put the battery back in, close up the case, plug it back in. Now for the moment of truth, Fire it up and see if we have a display.

NOW that the BIOS is resolved back to the first problem

Boot up the PC just after the company logo disappears push <F8> to bring up the Windows startup menu. Select "Safe Mode" from this list

Once the computer starts in safe mode go into the display settings screen. There is a slider there, for now we're going to set it at a modest level 800X600 (Most video cards can easily display this resolution) Now restart the Computer and you should be able to get into Windows as normal, Where you can set you display to your liking. If the problem reocurrs simply use safe mode to correct it again and the setting just before the one that blanked your screen is Likely to be the MAX that the monitor can handle.

Hope this helps
Dave

Posted on Nov 24, 2008

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