Question about Acer Aspire 4520-5582 Notebook
Bootmgr is missing
Posted on Aug 07, 2010
The most common reasons for a power calibration error is a dirty lens
or bad media. Clean the lens with a short burst of cabbed air or carefully wipe it with a cotton swab.
Good Luck :)
Posted on Jul 19, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
Control panel,administrive tools,computer management,device manager scroll to cd/dvd rom drives right click properties then properties again then tick enable cd digital cd audio for this cd rom device or scroll to dvd regions select no _ for your specific area
hope this helps
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