Running Raspbian 20120715 (see below)
Current Operating System: Linux AllansPi 3.1.9+ #168 PREEMPT Sat Jul 14 18:56:31 BST 2012 armv6l
Using usb keyboard, mouse, HDMI monitor. Whenever I type startx at the $ prompt after login, screen blanks. System appears to hang, finally returns error message
"xauth: timeout in locking authority file /home/pi/.Xauthority "
BUT when I typed startx from Putty session, the normal screen display appeared on the monitor, normal GUI use was possible, using usb mouse and keyboard attached directly to the pi. Logged out correctly, closed down properly.
HOWEVER all subsequent attempts from prompt on monitor and/or via putty now return the error message "xauth: timeout in locking authority file /home/pi/.Xauthority "
Presumably the file .Xauthority is corrupted. How do I fix this....
Have tried Problems starting X this did not help, since my problem is different and I already have screen connected.
all advice gratefully accepted, but please keep it simple since I am a noob....