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[reminder] / recovering_when_locked_out_from_your_computer.mdwn

diff --git a/recovering_when_locked_out_from_your_computer.mdwn b/recovering_when_locked_out_from_your_computer.mdwn
index 04301926802d4a3030d6c574d71ce69dbd8193ae..a883925a20e69631897562456604b20d3fb80eae 100644 (file)
--- a/recovering_when_locked_out_from_your_computer.mdwn
+++ b/recovering_when_locked_out_from_your_computer.mdwn
@@ -23,7 +23,7 @@ I encountered one time a garbage case on a linux console, which was solved by:
 
 More details to be found [here](http://www.tldp.org/HOWTO/Keyboard-and-Console-HOWTO-4.html).
 
-## Mouse invisble or unusable because moving erratically
+## Mouse invisible or unusable because moving erratically
 
 The mouse invisible can happen inside some sophisticated applications
 (e.g.: some versions of VirtualBox). The best way here is, after
@@ -41,6 +41,20 @@ in X and the console with gpm.
 In nothing of the above solves the issue, restarting the X system may
 be needed, see below.
 
+## Mouse pointer freezed or keyboard unresponsive
+
+This can happen with a USB mouse or keyboard, especially if:
+
+1. You use a KVM switch or
+2. You have switched to a linux console and back to X
+
+Other symptoms: the leds on the keyboard don't change when you hit caps lock, 
+or the leds on keyboard or mouse are off. Simply unplug and plug again the device 
+can solve the issue. 
+
+You can verify after the fact that syslog contains messages about USB  disconnections 
+of these devices. I know no real definite solution to these issues. 
+
 ## Screen is freezed or blank
 
 Switch to a console, stop cleanly your graphical applications if