System extremely slow on cold boot - need help

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vladbayer

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Aug 4, 2014
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Having a strange issue with a GTX 760 video card (Asus GTX760-DC2OC-2GD5). During a cold boot, apparently while loading Nvidia drivers, monitors go off for about two seconds. The system boots fine after that, but runs extremely slow. And I mean real slow - any application take minutes to open; can’t play any videos; even mouse moves slowly. Every cold boot results in 85 instances of the following error added to the event log: “The description for Event ID 14 from source nvlddmkm cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.”

This does NOT happen on restart (warm boot). This does NOT happen when running on HD4600 integrated graphics.

I tried every solution that I could google: reinstalled Nvidia drivers, rolled back to release 314.22, reinstalled Windows (tried both Windows 7 and Windows 8.1) - nothing helped. Thinking that I got a faulty graphics card, I sent it back and got a replacement - didn’t help either. I then tried my card in a friend’s computer - it works just fine. I tried friend’s graphics card (3 years old Radeon HD4870) in my computer - no issues.

What could be the reason for this happening only on cold boot, but not on a restart? How do I go about identifying what causes this issue?

My specs:
- Intel Core i5-4670k
- Gigabyte GA-Z97MX-Gaming 5
- 8gb (2x4gb) Crucial DDR3 1600 RAM
- Earthwatts EA-500D Green 500 watt PSU (3 years old, came with Antec Sonata III case)
 
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dwatterworth

dwatterworth

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Have you updated your system bios? It seems like a lot of people with the same symptoms are having a hardware handoff issue from the bios or something. That driver isn't being initialized since the hardware isn't reported at the correct time or something.

 
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vladbayer

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Thank you for your comment. Yes, I did flash the latest system bios. No updates are available for the GPU bios yet.

"Driver isn't being initialized since the hardware isn't reported at the correct time" - yep, this does seem to be what is happening.
 
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dwatterworth

dwatterworth

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Another bios question: do you have the PCIe gpu set to primary video adapter instead of the default 'auto' setting? Also, have you tried turning off the ASPM setting under power management in the bios? It might change the timing of the PCIe initialization since it might for whatever reason be in a low power mode on system power-on.
 
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vladbayer

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Aug 4, 2014
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There are two variables in BIOS: (1) Initial Display Output - set to "PCIe 1 Slot"; (2) PCIe Slot Configuration - set to "Auto", but I did try it with other settings ("Gen 1", "Gen 2", and "Gen 3").

I didn't try turning off ASPM. Will do this when I get home tonight. Thank you!
 
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vladbayer

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Turns out that ASPM was disabled. So no luck here.

Interestingly, enabling ASPM makes the issue even worse - monitors go off two or even times during windows boot, boot time more than doubles, the computer runs even slower than before, and the system becomes unstable (blue screen on 2 out of 5 boots).

Any other suggestions on what I should try?
 
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dwatterworth

dwatterworth

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Hmm ok, so I've found a few more possibilities.

Do you have XMP enabled for your memory profile or the timings and voltages set manually?
Do you have an overclock set on either the cpu or gpu?
Do you have access to another PSU to test the system with? That PSU is a good unit and should supply enough amperage across the two 12v rails for the whole system. Do you know the model of your friends PSU?
 
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vladbayer

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Aug 4, 2014
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XMP is disabled. All memory timings and voltages are set to 'auto'. Neither CPU nor GPU are overclocked.

I don't have access to another PSU at the moment. Will see if I can borrow one for the coming weekend. Friend's PSU is 550 watt Corsair.

But I would think that, since my computer runs fine (and stable) after a restart, the PSU is unlikely to be the cause of the issue. Not so?
 
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dwatterworth

dwatterworth

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I'm just trying to get some info on available resources for troubleshooting.
You should try enabling xmp. The auto feature doesn't always pick up the correct timings for whatever reason. I'd try the XMP before the PSU.
After enabling XMP, if the system is still having the cold start issue, I'd try pulling one of the memory sticks.

I got the pointers from a microsoft support thread with a user experiencing very very similar conditions to yours, but only on windows 8/8.1
 
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vladbayer

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Turns out that XMP is greyed out and not selectable. I guess that the RAM that I am using (CT51264BA160BJ.M8FJD) does not support XMP.

I tried setting timings and voltages mannualy, starting from 11-11-11-28 @1.5V, as per specs, to 9-9-9-22 @1.65V. I also tried removing one of the memory sticks and plugging GPU in another motherboard slot. Nothing helped.

Will try a different RAM (Hynix 1600) and a 550 watt PSU over the weekend.
 
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dwatterworth

dwatterworth

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Ok, that doesn't sound too hopeful, but maybe the ram or psu will do the trick. Past that, with everything you have done on the clean installs, bios updates etc, I'm kind of out of ideas past the registry stuff which I would recommend last after contacting Asus/nvidia and Gigabyte.
 
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