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Switching on but not Displaying

By makoni ·
I have got a machine that is running win98 and it switches on but does not show anything on the screeen. I tried to change the screen card to no avail, i even resetted the settings but still could not win. Anyone out there with any solution in mind? Please help me

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by oldbag In reply to Switching on but not Disp ...

Have you tried F8 after the system has booted? If all is running well, this may get the screen working.

Have you tried connecting another monitor the the PC?

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by cmiller5400 In reply to Switching on but not Disp ...

Is the machine POSTing? Does it have a beep sequence right after you hit the power button? Does the hard drive light flicker? Have you tried swapping out monitors just to rule out a bad monitor? It could be the motherboard or powersupply causing this issue. I also have seen bad memory and processors cause this issue.

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by w2ktechman In reply to Switching on but not Disp ...

all of the above suggestions should be looked at, especially bad monitor, faulty memory, faulty cpu. Look to see if there is a second video card installed, and change the monitor to that one as well. If no second video card, is the video on board, or a card plugged into AGP, PCI, PCI-Express, etc. If it is a plugged in card, try a different slot or type of card.

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by Nilt In reply to Switching on but not Disp ...

In addition to the above suggestions, I've seen that happen on Win9x systems when the refresh rate is outside what the monitor can handle. Typically the screen blanks out after the power on tests, though.

If the screen blanks after the POST then get to Safe Mode by holding the left Ctrl key right after the memory test. That should force Safe Mode if you don't hit F8 in time. Once in Safe Mode, uninstall the video drivers and check Device Manager for leftover Display Adaptors. Remove them all then reboot and see what you get.

If you need specific steps let me know; they can be long-ish. :-)

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by sgt_shultz In reply to Switching on but not Disp ...

does the problem travel with the monitor? does the monitor pass its self test?

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by HAL 9000 Moderator In reply to Switching on but not Disp ...

Have you tried changing the type of Video Adaptor. If you have an AGP have you tried a PCI?

And if it's a PCI have you tried a different PCI Slot to see if the problem stays the same?

However the very first thing that I would look at is the monitor even if it's yours as I had one of mine go bad a while ago and I spent hours trying to fix a problem in the computer that didn't exist. Something in the monitor was failing when it reached a certian Temp and it lost all the screen image. If you turnd the monitor off and then back ou you would ge tanimage for several seconds minutes and then it would go blank again.

There really is nothing mre frustrating when what you consider as a Known Good part goes bad and you can spend hours tracing the problem down.


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by HAL 9000 Moderator In reply to

It wouldn't hurt to change the CMOS Battery as well as the one that is in ther eis most likely getting quite old now and you can get some really screwy problems arise when they go flat.

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by hughiemcginley In reply to Switching on but not Disp ...

sounds like your video card maybe knackered. Try a different pci video card if you can

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