My SGI GDM-4011P monitor doesn't want to turn ON. But sometimes, it does! I've already turned off Power Save Delay options,double checked connections, etc., but just don't know how to 'predict' if it would turn ON when I push the Power Button. If I wait something like 1 or 2 or more days of not using it, it would sometimes be turned ON. It's really puzzling, could you help me please?
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Re: Turns ON only after a day or so of rest.
I think you have a faulty Power Supply, more than likely it is gonna be my old favorite faulty Electrolytic Capacitors, Intermittent problems are real tricky to fix, If ya handy you could try opening it up and having a squiz, look for any loose connections or "Swollen" Capacitors see if all the "Lights" are on etc, try gently "Tapping" around maybe it's a "Dry Joint" but my money is on the PSU. If ya can see a problem say Faulty Electro's replace with the same or better Temperature rating ... Good luck
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I've almost the same problem. When the system turns on the monitor doesn't sync. After a variable trials with down/up the sync is enabled and the computer starts.A very clear event occurs : when the monitor can''t sync ( and system doesn't boot)you can hear very clear a high fan rotation. When I look/hear in the system the Isuspect the cpu fan. The system boots ( monitor syncs) when the fan rotationgoes from high to low. So the system hangs on an internal check on the rotation speed of the cpu fan.I've googled a lot , but until now doesn't find an answer . Possibilties which I think about : replace cpu fan , clean cpu fun ( but it looks clean).I cannot measure the fan rotation speed when the system is hanging. At normal rotation all info can retrieved witth the program cpu-z.Did you already have a solution ?
I would try this monitor with another PC first to verify that it is not PC problem.
Most common failures in the monitors are due to bad caps in the power supply/inverter board, we want to find out first if it is the monitor or the PC problem.
See examples of failed ACER due to bad caps here: http://s807.photobucket.com/albums/yy352/budm/ACER/
Ok so its connected to your pc?
check settings on the monitor itself [if you'restill able to do that]
disconnect all your usb devices restart your computer and try again.
Is it in a cold room ? that might be the problem.
Is it in the same powerbar as your computer ?
I'm not sure but if your power outlet where you connect it is simply looped to the rest that are in use [lazy electrician] then it might turn off because a power shortage.
sometimes relay contacts get "sticky" from arc oxide corrosion whenever enough electricity is passed from metal to metal...in a perfect mechanical relay, the relay would be sealed in a vacuum. Try swapping relays to transfer the problem. If you can transfer it, you found the bad relay. I actually have disassembled relays and polished their contacts with great success.
Hi, normally monitors have an indicator light that lites up when power is applied. This changes color or another lites up when it receives video signal from the computer. If no light then most likely defective monitor.
Possibly the only way to positively check is to replace it with another known good monitor and connect to the PC. Power up and there should be a display. If there is then the 1st monitor is defective, if still nothing then it is the PC that is defective.
It might also be worth to check/replace the power cord and/or video cable if applicable.
Hopes this works out for you. Good luck and post again how things turn up.