Dorothy, Before I start giving you the laundry list of things to check, you might want to read the article HP put out on this. There can be a hardware complication...just be aware the site is slow loading. Derek HP Notebook PCs - Resolving Problems with the Brightness of the Display http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=110&prodSeriesId=1849082&prodTypeId=321957&objectID=c00832191 On Tue, Mar 26, 2013 at 10:13 AM, D JONES <[log in to unmask]> wrote: > My brain has gone to sleep like my laptop. It's an HP compacn6325. > > Dorothy PCBUILD's List Owners: Bob Wright<[log in to unmask]> Mark Rode<[log in to unmask]>