HP Pavilion ze5300 - Manual (Page 147)

Symptom
Call Center:
Suggestions Repair Center:
Likely Causes Repair Center:
Comments
Region Code error.
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.
“System Error: Unable
to read drive”
message.
Wait 5 to 10 seconds after
closing tray before pressing
Play.
Restart notebook.
Motherboard.
Make sure CD/DVD drive is
installed properly.
No DVD or CD-RW
software on notebook.
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.
Some or all keys do
not work properly. Keyboard.
Motherboard.
Embedded numeric
keypad does not work.
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.
HP warranty does not cover
expense of correcting this
situation.
CD/DVD drive. Make sure disk is clean,
undamaged, and inserted
correctly. Clean with soft
cloth or replace as needed.
If software was removed, use
the Recovery CDs to reinstall
factory software.
Keyboard
Check settings in Control
Panel. Try reinserting ribbon cable in
connector on motherboard.
Press Fn+F8 to activate
numeric keypad, and Lock
key to turn on number lock.
Avoid touching touch pad
while booting or resuming. Keyboard.
PS/2 keyboard
and mouse with
Y-adapter do not
work. Y-adapter.
PS/2 device.
Motherboard.
Check devices separately.
Motherboard.
3-12 Troubleshooting and Diagnostics Service Manual