Hi!
A few days ago I began experiencing problems at startup. I have two monitors (Philips HDTV via HDMI and a Dell LED via DVI) and if both connected, then only the TV turns on, but it stays a very long time on POST screen (if it appears at all). If I unplug the TV, then the monitors turns on, and after a long black screen (half minute) the POST screen appears, then windows starts up. The win7boot seems a bit slower also, but I'm not sure. A few days ago the system booted up in seconds. No hardware modification has been made.
The config:
ASUS H87 PRO
Intel i7-4771
Zalman CNPS10X Optima cooler
2xCoolermaster Jetflo fans, with PWM connections
ASUS GTX650E-1Gb
Kingmax 2x1600x8Gb CL11
WD 1Tb Green
Samsung EVO 840 120Gb SSD
Coolermaster Thermalmaster 500W PSU
Windows 7 (on the SSD) - boot setup in legacy bios mode.
Now, I'm suspect it might be the PSU, but I doesn't have the tools right now, to measure it's voltages. Though it's a crap (sadly, a prebuilt system, I'm about to change the PSU) it's making weird noises (very high pitched noises sometimes, but occasionally some weird deep noises, must be the fan's bearing)
But I'm not sure, it could be other components as well. I'm running the GPU with a slight (+50/100Mhz) overclock, without tampering with voltages. I didn't experienced overheating,or any instability. Now I reverted the settings and driving it on stock clocks, but the startup problem persists. After a succesfull boot, everything seems to work as it should.
Does anyone experienced similar problems? Is there a way, to diagnose the problem?
Thanks for the help!
EDIT: In the meantime I may figured it out:
I forgot to mention something: the "no hardware modification" is not entirely true. I just bought an A4Tech Snow gamepad, and kept it plugged. As I was trying different things out, I plugged out everything but the mouse and the keyboard, and the system booted up fine, just before. I plugged back everything one-by-one, with restarts and with the gamepad plugged in, the system did the slow post screen again.
So, it's a defective gamepad, or the onboard USB controller, or a BIOS bug or else?
A few days ago I began experiencing problems at startup. I have two monitors (Philips HDTV via HDMI and a Dell LED via DVI) and if both connected, then only the TV turns on, but it stays a very long time on POST screen (if it appears at all). If I unplug the TV, then the monitors turns on, and after a long black screen (half minute) the POST screen appears, then windows starts up. The win7boot seems a bit slower also, but I'm not sure. A few days ago the system booted up in seconds. No hardware modification has been made.
The config:
ASUS H87 PRO
Intel i7-4771
Zalman CNPS10X Optima cooler
2xCoolermaster Jetflo fans, with PWM connections
ASUS GTX650E-1Gb
Kingmax 2x1600x8Gb CL11
WD 1Tb Green
Samsung EVO 840 120Gb SSD
Coolermaster Thermalmaster 500W PSU
Windows 7 (on the SSD) - boot setup in legacy bios mode.
Now, I'm suspect it might be the PSU, but I doesn't have the tools right now, to measure it's voltages. Though it's a crap (sadly, a prebuilt system, I'm about to change the PSU) it's making weird noises (very high pitched noises sometimes, but occasionally some weird deep noises, must be the fan's bearing)
But I'm not sure, it could be other components as well. I'm running the GPU with a slight (+50/100Mhz) overclock, without tampering with voltages. I didn't experienced overheating,or any instability. Now I reverted the settings and driving it on stock clocks, but the startup problem persists. After a succesfull boot, everything seems to work as it should.
Does anyone experienced similar problems? Is there a way, to diagnose the problem?
Thanks for the help!
EDIT: In the meantime I may figured it out:
I forgot to mention something: the "no hardware modification" is not entirely true. I just bought an A4Tech Snow gamepad, and kept it plugged. As I was trying different things out, I plugged out everything but the mouse and the keyboard, and the system booted up fine, just before. I plugged back everything one-by-one, with restarts and with the gamepad plugged in, the system did the slow post screen again.
So, it's a defective gamepad, or the onboard USB controller, or a BIOS bug or else?
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