v  Follow  the  suggested  actions  in  the  order  in  which  they  are  listed  in  the  Action  column  until  the  problem 
is  solved. 
v  See  the  Problem  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 
The  DVD  drive  tray  is  not 
working. 
1.  Make  sure  that  the  server  is  turned  on. 
2.  Insert  the  end  of  a  straightened  paper  clip  into  the  manual  tray-release 
opening. 
3.  Reseat  the  DVD  drive. 
4.  Replace  the  DVD  drive.
 
General  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  the  Problem  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 
A  cover  lock  is  broken,  an  LED 
is  not  working,  or  a  similar 
problem  has  occurred. 
If  the  part  is  a  CRU,  replace  it.  If  the  part  is  a  FRU,  the  part  must  be  replaced  by  a 
trained  service  technician.
 
Hard  disk  drive  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  the  Problem  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 
Not  all  drives  are  recognized  by 
the  hard  disk  drive  diagnostic 
tests. 
Remove  the  drive  that  is  indicated  by  the  diagnostic  tests;  then,  run  the  hard  disk 
drive  diagnostic  tests  again.  If  the  remaining  drives  are  recognized,  replace  the 
drive  that  you  removed  with  a  new  one. 
The  server  stops  responding 
during  the  hard  disk  drive 
diagnostic  test. 
Remove  the  hard  disk  drive  that  was  being  tested  when  the  server  stopped 
responding,  and  run  the  diagnostic  test  again.  If  the  hard  disk  drive  diagnostic  test 
runs  successfully,  replace  the  drive  that  you  removed  with  a  new  one. 
A  hard  disk  drive  was  not 
detected  while  the  operating 
system  was  being  started. 
Reseat  all  hard  disk  drives  and  cables;  then,  run  the  hard  disk  drive  diagnostic 
tests  again. 
 
78  IBM  System  x3500  Type  7977:  Installation  Guide