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Windows 7: Windows Boot Manager - Status: OxcOOOOOe9 Unexpected I/O error

13 Aug 2013   #1

Windows 7 Home Premium x64bit
Windows Boot Manager - Status: OxcOOOOOe9 Unexpected I/O error

Hi Guys
Hope someone can help please...
Was trying to clean up friends ADVENT QUANTUM 200 Laptop (2Gb RAM/250 Gb HD win 7 Home Basic 32 Bit).
Removed Norton AV and restarted.
Ran Ccleaner and restarted.
Ran MBAM (Malwarebytes) and found 8 suspect items.
All was fine and system was running quicker than before.
Then just as I was unplugging mains electrical supply I noticed a number of Win updates that needed to be applied, so I left laptop on table to install new software updates and shutdown.
On returning from work this evening I booted laptop to find:


File: \Boot\BCD

Status: OxcOOOOOe9

Info: An unexpected I/O error has occurred.

I cannot access Windows at all...a black screen just appears and the two choices it gives: ESCAPE=exit or ENTER=Continue, just returns me to the same screen after a few seconds.

I have tried continually pressing f8 on bootup, pressing f8 once etc - No change

Any suggestions please.
Many thanks

My System SpecsSystem Spec

13 Aug 2013   #2

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x86 Service Pack 1 - Linux Mint Mate 14 x64

Try following - Troubleshooting Windows 7 Failure to Boot

Do know what the suspect items were?
My System SpecsSystem Spec
13 Aug 2013   #3
Microsoft MVP


Is the HD detected in BIOS? If so work through the steps in tutorial Blue Robot linked, disinfecting in Safe Mode or from boot first, then checking System Files, confirming Active partition, running Startup Repair repeatedly. Report back results.
My System SpecsSystem Spec


 Windows Boot Manager - Status: OxcOOOOOe9 Unexpected I/O error

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