Link to home
Start Free TrialLog in
Avatar of pathwayscsb
pathwayscsbFlag for United States of America

asked on

Toshiba M55 Satellite LCD Problem

I have a Toshiba M55 Laptop. I can see the images, but they are very dark. Sometimes,
I can boot up the laptop and it works fine, the screen is bright and clear, other times
I boot it up and its dark and the images are barely visible. I have replaced the inverter
and the inverter cable. I am still having the same results. The lcd has been replaced
previously. Any thoughts or suggestions? Thanks in advance!!!


Larry
ASKER CERTIFIED SOLUTION
Avatar of PCBONEZ
PCBONEZ
Flag of United States of America image

Link to home
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
Start Free Trial
Avatar of pathwayscsb

ASKER

Thank you for your response! I have replaced the inverter and inverter cable.
Could I have gotten a bad inverter?

How difficult is it to replace lamp tubes?

Thanks again!

Larry
Difficulty of replacing tubes varies from moderately difficult to just plain hard.
The tubes are built into the LCD assembly's frame. [The frame there -after- it's removed from the 'lid'.]
They are located in what amounts to a tube/channel along the edge(s) if the panel.
Basic idea is:
- Disconnect them (some require a soldering iron, some have plugs, some crimp connectors)  
- Release them - so they can come out - some are just bent tabs at the ends, some have end cap 'plates' that might be screwed on or retained with tabs, the pain in the b*tt ones require removing a sheet metal retainer that may cover one edge of the LCD or may even go all the way around.
- At that point simply slide or lift them out, put in replacement, and reassemble.

Inverters are bad a lot more often than tubes. I'd say at least 5x more often.
Tubes do have a lifetime in hours though and they do go bad.
SOLUTION
Link to home
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
Start Free Trial