[ichitaka05]

Originally Posted by p1l0t

Bios is the motherboard's built in OS. If just have a blank screen though it may not even be getting to that. Was there any strange beeps from the board? Although it could just be a problem with monitor itself or the video card or a connection etc.. does the PC appear to be doing a normal boot and just not showing anything on the screen or os it doing something strange or not really doing anything. Sometimes you have to pay close attention to the beeps and lights to try and figure put what is working. If you think it's the video card you could try plugging the monitor into the motherboard itself (if there is an onboard option). Or if you happen to have an old video card laying around..

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Originally Posted by Dadhawk

Start with the obvious first.

If the monitor really isn't showing anything, could it be the monitor? Check the monitor setting to makes sure it isn't on the wrong input, verify the cables are tight, etc. If all of that is successful, can you plug in another monitor, or maybe connect your PC to your TV (most of them have VGA type connections on them these days).

It its not the monitor (because you have ruled that out trying a new good one) you go from there. If you are getting no display that would be difficult. You'd want to reseat the memory, etc. Ultimately you may have to replace the video card assuming you have a separate one. Maybe a buddy has an old one that you can borrow long enough to see if that works before you spend money on one (again, assuming this is a desktop and not a laptop).

EDIT: ugm what @p1l0t said!

Yup, made sure monitor is working by used VGI cable & connected to laptop. Monitor work perfectly. I'm using DVI, instead of VGI for desktop... so DVI cable went down is possible.