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My computer started rebooting when ever it would come up to the windows screen or otherwise would just never load. So I reinstalled windows. Three days later I boot it up and it says Reboot and select proper boot device. So I checked the bios and it has the hdd as the first boot option. When I restarted it came up with the option for safe mode or normal, either one I chose it would begin loading and than reboot to give same message. I reinstalled windows and it ran fine for three days, after I booted it up a second time windows ran slow, so I restarted and again it's having the same issue with it saying Reboot and select proper boot device.

OS: windows 7 home ultimate. Ram: 3 gb Hdd: sata 500gb Processor: pentium core duo 2.0 ghz

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start using another operating system, like Ubuntu – Ozair Kafray Jun 24 '12 at 12:40
If you reinstall the windows now first of all run the cmd and run a chkdsk /f may be it will fix your problem. Also don't install anything on HDD just install the MS-Essential and scan for the virus with latest update. – avirk Jun 24 '12 at 13:28
It won't let me boot up in general. I've attempted safe mode, safe mode with networking, and with command. I even tried last known good configuration. It all does the same thing begins to load and reboots to say reboot and select proper boot device. A friend gave me another hard drive so I am going to swap them out and see if that corrects issue. I will post the results. Thank you for your replies. – Brandon Josey Jun 25 '12 at 1:47
smells like a failing hard-drive... – tumchaaditya Jun 25 '12 at 6:31

Sounds like there could potentially be a problem on the disk. I would suggest properly testing the Hard Drive to ensure it isn't failing.

There are a variety of bootable disk utilities to test the health of Hard Drives. One simple but effective tool to use is Drive Fitness Test. This will tool will essentially go through the drive checking for bad sectors as well as performing a number of other checks in the process.

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