Toshiba A45 - Manual (Page 217)

217 If Something Goes Wrong
Resolving a hardware conflict
5.375 x 8.375 ver 3.1
3 Adjust the screen resolution and/or color quality.
4 Click OK.
The display mode is set to Simultaneous and the external
display device does not work.
Make sure the external monitor is capable of displaying at
resolutions of 800 x 600 or higher.
Small bright dots appear on your TFT display when you
turn on your computer.
Your display contains an extremely large number of thin-film
transistors (TFT) and is manufactured using high-precision
technology. The small bright dots that appear on your display
are an intrinsic characteristic of the TFT manufacturing
technology.
Disk drive problems
Problems with the hard disk or with a diskette drive usually
show up as an inability to access the disk or as sector errors.
Sometimes a disk problem may cause one or more files to
appear to have garbage in them.
Typical disk problems are:
You are having trouble accessing a disk, or one or more
files appear to be missing.
Make sure you are identifying the drive by its correct name
(A: or C:).
Error-checking
Run Error-checking, which analyzes the directories, files and
file system on the disk and repairs any damage it finds:
To run Error-checking:
1 Click Start, then click My Computer.