Keyboard,  mouse,  or  pointing-device  problems 
 
v  Follow  the  suggested  actions  in  the  order  in  which  they  are  listed  in  the  Action  column  until  the  problem 
is  solved. 
v  See  theProblem  Determination  and  Service  Guide  on  the  IBM  System  x  Documentation  CD  to  determine  which 
components  are  customer  replaceable  units  (CRU)  and  which  components  are  field  replaceable  units 
(FRU). 
v  If  an  action  step  is  preceded  by  “(Trained  service  technician  only),”  that  step  must  be  performed  only  by  a 
trained  service  technician. 
Symptom  Action 
All  or  some  keys  on  the 
keyboard  do  not  work. 
1.  Make  sure  that: 
v  The  keyboard  cable  is  securely  connected. 
v  If  you  are  using  a  PS/2  keyboard,  the  keyboard  and  mouse  cables  are  not 
reversed. 
v  The  server  and  the  monitor  are  turned  on.
2.
  See  http://www.ibm.com/servers/eserver/serverproven/compat/us/  for  keyboard 
compatibility. 
3.  If  you  are  using  a  USB  keyboard,  run  the  Configuration/Setup  Utility  program 
and  enable  keyboardless  operation  to  prevent  the  301  POST  error  message 
from  being  displayed  during  startup. 
4.  If  you  are  using  a  USB  keyboard  and  it  is  connected  to  a  USB  hub,  disconnect 
the  keyboard  from  the  hub  and  connect  it  directly  to  the  server. 
5.  Replace  the  following  components  one  at  a  time,  in  the  order  shown,  restarting 
the  server  each  time: 
a.  Keyboard 
b.  (Trained  service  technician  only)  System  board 
The  mouse  or  pointing  device 
does  not  work. 
1.  Make  sure  that: 
v  The  mouse  or  pointing  device  is  compatible  with  the  server.  See 
http://www.ibm.com/servers/eserver/serverproven/compat/us/ 
v  The  mouse  or  pointing-device  cable  is  securely  connected  to  the  server. 
v  If  you  are  using  a  PS/2  mouse  or  pointing  device,  the  keyboard  and  mouse 
or  pointing-device  cables  are  not  reversed. 
v  The  mouse  or  pointing-device  device  drivers  are  installed  correctly. 
v  The  server  and  the  monitor  are  turned  on. 
v  The  mouse  option  is  enabled  in  the  Configuration/Setup  Utility  program.
2.
  If  you  are  using  a  USB  mouse  or  pointing  device  and  it  is  connected  to  a  USB 
hub,  disconnect  the  mouse  or  pointing  device  from  the  hub  and  connect  it 
directly  to  the  server. 
3.  Replace  the  following  components  one  at  a  time,  in  the  order  shown,  restarting 
the  server  each  time: 
a.  Mouse  or  pointing  device 
b.  (Trained  service  technician  only)  System  board
 
 
80  IBM  System  x3500  Type  7977:  Installation  Guide