HP ze4200 - Manual (Page 85)

Symptom
Call Center:
Suggestions Repair Center:
Likely Causes Repair Center:
Comments
Region Code error. DVDs contain embedded
regional codes that prevent
them from playing outside
region in which they are sold.
This error occurs when trying
to play DVD intended for
different region.
Important: Most DVD drives
allow region code to be
changed only a limited
number of times (usually no
more than four). When this
limit is reached, last change
is hard-coded on DVD drive,
and is permanent. Refer to
DVD player software help for
details.
HP warranty does not cover
expense of correcting this
situation.
“System Error:
Unable to read
drive” message. Make sure disk is clean,
undamaged, and inserted
correctly. Clean with soft
cloth or replace as needed.
Wait 5 to 10 seconds after
closing tray before pressing
Play. CD/DVD drive.
Motherboard. Make sure CD/DVD drive is
installed properly.
No DVD or CD-RW
software on
notebook. If software was removed, use
the Recovery CDs to reinstall
factory software.
All DVD play is
erratic. Some DVDs include software
called “PC Friendly”. This
software can cause errors or
erratic play. If needed,
uninstall PC Friendly and
restart notebook.
Keyboard
Some or all keys do
not work properly. Check settings in Control
Panel. Keyboard.
Motherboard. Try reinserting ribbon cable in
connector on motherboard.
Embedded numeric
keypad does not
work.
Avoid touching touch pad
while booting or resuming.
Keyboard.
Motherboard.
PS/2 keyboard
and mouse with
Y-adapter do not
work. Check devices separately. Y-adapter.
Motherboard.
Restart notebook.
Press Fn+F8 to activate
numeric keypad, and Lock
key to turn on number lock.
PS/2 device.
3-12 Troubleshooting and Diagnostics Service Manual