No display detected on reboot.

November 24, 2014 at 04:29:06
Specs: Windows 8.1, intel i5 4670K / Kingston 2X4GB
Computer works flawless when left on 24/7. However on every reboot it seem to take progressively longer for display to show. At first it took perhaps 5 mins, black screen, then display kicks in, and I'm at windows start up screen. Then 30 mins. Lately, no luck at all - leaving the computer running for a few hours.

I've ruled out the SSD, as if. It booted fine on my old computer. Slotted GFX-card for different PCI-E slot. Tried the onboard DVI slot. Re-slotted both RAM sticks. Maybe I'm clueless, but with just one (4GIG) RAM inserted, the computer would just forcefully restart every few secs...

Any ideas?

Edit: Given the progressive nature of this, I guess it could be faulty hardware? It's just a bit weird how the computer works with no hic up what so ever, when left ON...

message edited by ahctlucabbuS

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November 24, 2014 at 05:28:25
To hazard a guess I would say you have failing RAM.

When your PC boots the kernel and some drivers load into RAM then continue to load the operating system.

When you tried to boot the system with only one stick of RAM did you try removing it and using the other instead?

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November 24, 2014 at 05:36:08
That sounds like it may be caused by bad contacts on RAM or some other hardware.

I suggest you unplug the computer and open the case. Re-seat ALL cards and connectors. In the case of cards and RAM I suggest you snap them in and out 4 or 5 times to burnish the contacts.

Could also be the power supply. Post the model or specs of the computer.

message edited by OtheHill

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November 24, 2014 at 06:40:54
It isn't clear to me whether you are saying that the computer stops
booting at some point, then resumes after a delay, or that it boots
normally but the display is black for some time before the monitor
finally gets a good video signal and turns on. Which is it?

-- Jeff, in Minneapolis

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November 24, 2014 at 08:16:05
Could it be you have a ton of apps loading at startup?

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