Here's a fun one! This user reported no issues but space prior to us replacing the hard drive with a larger one. During the install of Windows 7 updates I saw the drop down flicker, it's like it gets stuck opening the drop down and it flips open/shut over and over and nothing can be selected, you also can't click anything on that screen. I finished the updates and it went away, I chalked it up to a bad update along the way. The user had the system for about 3 weeks and this started again. I thought perhaps there was an issue with the OS install so I began again. This time the drop down mambo started when selecting the timezone, it's pretty much impossible to do anything with any window that has a drop down. Its a laptop so I have tried to put the display on an external monitor, same issue. I have run every PC Doctor scan and it passes everything except a Video Memory Check that says it was "cancelled". Has anyone seen this or have a resolution? Thank you!