The reason for blurry images is that IE6 is set up to resize the
images based on the Display DPI setting. Dell ships its Inspirons with
higher DPI than the default and set IE6 to resize the image.
You can either set the DPI to the default (Normal - 96) or remove
IE6's UseHR registry key to deactivite image resizing. Here are the
relevant information (from Microsoft Knowledge Base):
Images Scaling in Internet Explorer (hi-res)
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How to Activate Scaling
Internet Explorer 6 and later automatically adjusts the scale on
higher resolution systems when the DPI setting is higher than 96 DPI
and the "UseHR" registry value is added to the registry. These are
usually done by the manufacturers of higher resolution systems.
Set the DPI
These are the steps for changing the DPI setting on your system.
Right-click the Windows desktop to display the context menu.
Click Properties on the context menu to display the Display Properties
dialog.
Click the Settings tab on the Display Properties dialog to display the
Settings tab.
Click the Advanced button on the Settings tab to display the monitor
properties dialog.
Select a DPI setting in the Display frame of the monitor properties
dialog to change the DPI setting.
Restart your system to allow the changes to take effect.
Add the UseHR Registry Entry
The UseHR value is added to the Main key under "Internet Explorer" as
follows:
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Right Click in the right pane and select New | DWORD value and set its data
to 00000001
