Acorn Computers Limited A4000 Welcome Manual page 77

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The desktop disappears
You have used the Exit option on the Task Manager menu and exited from the desktop
completely. Type desktop and press the Return key. The desktop will return, but you
will have lost any unsaved work. Alternatively, hold down Ctrl and press the Reset
button (on the back of the keyboard) to bring back the desktop. Again, you will lose
any unsaved work if you have to do this.
The computer 'forgets' its configuration
If the computer frequently forgets its configuration settings, or the clock consistently
loses time, it may be that you haven't used the computer for a long time and the
computer's internal CMOS RAM support battery may need recharging. Leave the
computer switched on for a couple of hours, then try again.
If this doesn't cure the problem, the computer's internal CMOS RAM support
battery may be faulty. Take the computer to your Acorn supplier, who will
investigate.
The self-test does not complete properly
If you do not see a message similar to the following when the self-test is performed:
RISC OS 2048k
Acorn ADFS
or if the self-test does not complete properly (the screen may stay red after you
switch on, and the floppy drive indicator light may flash on and off a few times) then
contact your supplier. There may be a fault with the computer's hardware.
Note: The number (indicating memory size) in the above message depends on
what computer you have.
There are unexpected icons on an otherwise empty desktop
You might have dragged a file or application towards the icon bar, but accidentally let
go too soon. See Pinboard on page 53
An application won't load
There may not be enough memory to load the application. Depending on how much
memory your computer has, you will need to remove one or more of the applications
that are already loaded into its memory. Move the pointer over an icon in the icon bar
and press Menu; choose Quit to remove the application from the computer's memory.
Now try loading the application you want to use. If there still isn't enough space,
remove another application you don't need.
The desktop disappears

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