desktop is booting twice before going into Windows

sking

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Jan 29, 2011
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I have a custom pc. I just recently put in a new motherboard and the hd is a Western Digital 500GB. I had a previous installation of windows 7 on it. It sits there is a Windows.old file. Is this causing the double boot? If I deleted this folder, would my machine still be ok?

I used to have a tri core processor on an older style motherboard with a 80GB hd. It was all used up and it was IDE so I had to get another mother board for the SATA 500GB. I have run chkdsk /r on the 500 GB drive. It boots twice after being shut off for awhile, and I am taken to the BIOS. I just click the discard changes button and it boots the 2nd time and I'm present with a prompt to run windows repair. It does this for 20 minutes, and then it says windows can't repair this with no specific error message. If I just restart it after it has been running, it will restart without booting.
In the morning when I start it, it shows the windows logo like it's going to go into windows and then "CLICK", it restarts and goes into the BIOS.

Does anyone know what measures I can take to make it stop the double booting? This morning, it make some clacking sounds (about 5 of them quite rudely) before doing the 2nd boot.
 
Solution
The answer was that it was a bad power supply. I bought another and it doesn't boot twice anymore. It said in the BIOS that the board shut it down due to surges. It was not a bad power strip as the guy at the store thought it could be.

zer0c00l587

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Jan 14, 2016
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1. Check if your bios needs updating which is possible for certain processors.
2. If you are up to date, remove cmos battery for 30 minutes, then replace and test.
3. Check ram is properly seated, then check ram timings are correct.
4. Its possible your hard drive is failing, try another hard drive, or download western digital hard drive diagnostic tools to check for bad sectors on the hard drive. I recommend backing up your hard drive immediately to be safe.
 

sking

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No, the old HD was IDE and the new board only takes SATA. SO there is one new HD on it although I have had to reinstall windows several times on it. I used it as a dual boot. It was a nightmare trying to use windows update. Every time I put new updates for Windoes 7 it would corrupt thing and Startup repair could not fix it so i had to reinstall windows.
 

sking

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Jan 29, 2011
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I ran the Western Digital recommended DataLifeguard Diagnostic for Windows and it passed both the Quick Test and Extended test. Yet it still does the double boot. No explanations.
 

sking

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Jan 29, 2011
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The answer was that it was a bad power supply. I bought another and it doesn't boot twice anymore. It said in the BIOS that the board shut it down due to surges. It was not a bad power strip as the guy at the store thought it could be.
 
Solution

bpjb81

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Jan 30, 2009
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Upgrade the BIOS