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Windows 7: Windows reboot at startup even after fresh install

03 Feb 2014   #1
skinkt

Windows 7 Home Premium x64
 
 
Windows reboot at startup even after fresh install

A month ago, my Win8 PC got stuck while working, so I had to reboot. After I turn it on, Windows couldnt get started, even after it tried to repair itself, It said that it couldnt fix it. I waited a few hours, and It finally got past the Windows loading screen. It worked fine till a week ago, when it did the same thing and I had to reboot, but this time it didnt worked after many tries, so I decided to format the drive, and reinstall good ol Windows 7, but after a successfull installation, it crashed at the first start in the Windows 7 logo, going on a loop.

I bought a new hard drive thinking that mine might have died, and after another installation process, I could get through the first start. But it was working sooo slow, it took like 10 minutes to get to the desktop, and 10 more just to open the start menu. After I restart, the crash at startup returned.

I dont know what it can be, maybe the mobo died? I tried clearing the CMOS, updated the BIOS, replaced the CMOS battery, checked the RAM sticks, replaced the SATA cables, tried the HDD in the other SATA slots, tested the DIMM slots. Im running out of options here.

I think its hardware related, cause even after a fresh Windows install Im getting stuck at startup

Here's my system:

-Windows 7 and 8
-ECS P67 H2A3
-Intel i5 2300
-Seagate 500gb 7200 HDD
-2x4gb Kingston Hyperx RAM (tried with just one stick)
-AMD HD7870 2gb
-Antec NeoEco 520w

Any help would be much appreciated.


My System SpecsSystem Spec
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03 Feb 2014   #2
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

Have you got your RAM voltage set properly in the BIOS? Undervolted RAM can make the system do funny things. Check the voltage for your sticks and set them accordingly if necessary.
My System SpecsSystem Spec
03 Feb 2014   #3
skinkt

Windows 7 Home Premium x64
 
 

I've just checked and they're properly set. I also ran memtest86 on both ram sticks...
My System SpecsSystem Spec
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03 Feb 2014   #4
skinkt

Windows 7 Home Premium x64
 
 

To add some info and sum things up, if I have 2 sticks of RAM, the PC doesnt start, it gets on a loop of 1 sec trying to start. With one RAM stick it starts but crashes at the Windows loading screen. The RAM is tested and working, so could it be the mobo?
My System SpecsSystem Spec
04 Feb 2014   #5
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

What's the specific type of Kingston RAM that you have?
My System SpecsSystem Spec
04 Feb 2014   #6
gregrocker

 

Did you stress the RAM - Test with Memtest86+ for 7 passes or more, or overnight?

Kingston has the best tech support in the industry. Will replace any of its RAM it helps determine needs replacing no matter where you got it.

Did you test the HD with the maker's HD Diagnostic extended CD scan?

Work through the other Troubleshooting Steps for Windows 7 which will almost always reveal the problem.
My System SpecsSystem Spec
04 Feb 2014   #7
skinkt

Windows 7 Home Premium x64
 
 

Yes, I did 8 passes for each one of the sticks, in different slots. I tried with 2 different functioning HDD, and I bought a new one, just to be sure, all failing to start each new install of Windows.

This is my RAM Kingston HyperX 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model KHX1600C9D3K2/8GX - Newegg.com

With two sticks at once, the computer fails to start. I think I'll just pick a new mobo.
My System SpecsSystem Spec
04 Feb 2014   #8
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

Before you get a new mobo, try relaxing the timings on your RAM a little. They're specced at 9-9-9-27, try setting them a little looser, like 10-10-10-30 and see what happens. I have a similar issue with my RAM and have to set the timings more loosely to run at 1600. Your mobo might be reading the SPD defaults and setting the RAM accordingly. Also, to run at those timings, your RAM voltage must be at 1.65V.
My System SpecsSystem Spec
04 Feb 2014   #9
skinkt

Windows 7 Home Premium x64
 
 

Quote   Quote: Originally Posted by Mellon Head View Post
Before you get a new mobo, try relaxing the timings on your RAM a little. They're specced at 9-9-9-27, try setting them a little looser, like 10-10-10-30 and see what happens. I have a similar issue with my RAM and have to set the timings more loosely to run at 1600. Your mobo might be reading the SPD defaults and setting the RAM accordingly. Also, to run at those timings, your RAM voltage must be at 1.65V.
It looks like with the update of my BIOS it lost the option to change the DIMM's voltage. I tried with those timings and the problem remains. The voltage is at 1.536v at 1333. The thing is, this problem appeared when everything was set as it should, and I already checked the mem sticks, both 100% functional, so this lead me to getting a new mobo (never again ECS). Anything else I could check before buying?
My System SpecsSystem Spec
04 Feb 2014   #10
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

Hmmm... Maybe your mobo is failing. Did the problems start to happen after the BIOS update? Or before?
My System SpecsSystem Spec
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 Windows reboot at startup even after fresh install




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