If a repair of Windows 7 didn't work, you most likely will need to reinstall Windows 7.
What's the "service tag" number and "express service code" on that Dell Latitude E6420 laptop?
Did it come with a Windows 7 reinstall disc?
Does it have an intact factory restore/system recovery partition?
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What's the "service tag" number and "express service code" on that Dell Latitude E6420 laptop?
Did it come with a Windows 7 reinstall disc?
Does it have an intact factory restore/system recovery partition?
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