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I have problems with my HDD. I tried to reinstall OS but My Windows 7 installer alerted something like "cannot write on disk without driver" while it was deleting existing partitions. Since that my Ubuntu live hangs on load screen (several "running" dots, not matter if I choose "Try", "Install" or "Check disk"), Windows installer errors kind of "disk is damaged or badly connected, try to check your cables". Usual boot from hard drive gives "no such partition".

How do I restore HDD's operability? Losing all the information is ok.

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Sounds to me like some other hardware problem... run a memtest? – Josh Jul 30 '13 at 21:30
@Josh But it appeared only when I was deleting partitions... Ok, I am running Memtest86 atm – Jay Foreman Jul 30 '13 at 21:33
If it hangs when you choose "Try" on an Ubuntu LiveCD, then it might be a problem with hardware other than the hard drive as the hard drive shouldn't be used to boot off the LiveCD. That was what made me suspect some other hardware issue. I could be wrong however! – Josh Jul 30 '13 at 21:35
It hangs in about 30 seconds of loading after choosing "Try". So I guess it could hang due to HDD errors while it tries to mount drive. Noteworthy, Memtest from the Ubuntu CD runs normally. – Jay Foreman Jul 30 '13 at 21:39
Are you booting Ubuntu from a USB pen? Is it the latest version? Can you boot into any operating system at the moment? – archery1234 Jul 30 '13 at 21:43

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