Dimmed screen -- dead inverter? - Techist - Tech Forum

Go Back   Techist - Tech Forum > Computer Hardware > Laptops and Notebooks
Click Here to Login
Closed Thread
 
Thread Tools Display Modes
 
Old 12-16-2007, 02:20 AM   #1 (permalink)
True Techie
 
Join Date: May 2007
Location: Seattle, Washington
Posts: 131
Send a message via AIM to Durftard Send a message via MSN to Durftard
Default Dimmed screen -- dead inverter?

Last year my Aunt gave my little sister her old HP DV1000 Laptop. Yesterday the screen suddenly went extremely dark -- it's now just light enough to make out general shapes on the screen. She doesn't want to put hundreds of dollars into this laptop (it's SLOW) to replace the screen, so she asked if I could find a way to repair it.

I've never owned a laptop... Heck, I've never even used a laptop, let alone try and do screen repairs.

A bit of searching on Google points at the "inverter" as being the culprit... is this a safe assessment? And is this a fairly accurate guide to replacing said "inverter" if it's really the problem? http://members.cox.net/unchecked/HPRepair/default.htm

Where would be a good place to buy an inverter? I'm trying to search through HP's "Parts store" but it's slower than the laptop! blah
__________________

Durftard is offline  
Old 12-16-2007, 02:25 AM   #2 (permalink)
Retired.
 
peterhuang913's Avatar
 
Join Date: Dec 2005
Location: Los Angeles, California
Posts: 8,076
Send a message via AIM to peterhuang913
Default Re: Dimmed screen -- dead inverter?

It's either the inverter or the light itself.
__________________

__________________


My computer uses 1.5A-load, .8A-idle, .65A-standby, .05A-turned off on 125V.
"The spaces between your fingers were created so that another's could fill them in."
Quote:
Originally Posted by Norcent View Post
I need to stop using the internet.
peterhuang913 is offline  
Old 12-16-2007, 10:35 AM   #3 (permalink)
TF's First Dry Ice User!
 
Peter.Cort's Avatar
 
Join Date: Jul 2007
Location: Boston, MA
Posts: 5,018
Default Re: Dimmed screen -- dead inverter?

its either the inverter or the screen. and a replacement inverter is usually under 20 bucks shipped, and screens can run anywhere from 60-100+ bucks. so if its the inverter great, if the inverter doesn't work, oh well you wasted 20 bucks, but thats not a lot of money. So try and go with an inverter, its pretty straight forward, just like make sure you can keep all the screws in order and remember where they go in the chassis.
__________________
A notice to EVERYONE who has posted here with a computer problem, I highly encourage you to keep current with the forums, even if it's browsing for 10-15 minutes during lunch, or before you go to bed at night. There are many things that you can learn and apply to future issues. My goal is to help people get to a point where they can use their own knowledge to help themselves, and others.

Also please use the search button. You've got a 50/50 chance that someone's asked your question and we've answered it.
Peter.Cort is offline  
Old 12-16-2007, 12:59 PM   #4 (permalink)
True Techie
 
Join Date: May 2007
Location: Seattle, Washington
Posts: 131
Send a message via AIM to Durftard Send a message via MSN to Durftard
Default Re: Dimmed screen -- dead inverter?

is there any way to test if the inverter is the dead piece? aside from replacing it and seeing if it works again, lol
Durftard is offline  
Old 12-16-2007, 08:28 PM   #5 (permalink)
TF's First Dry Ice User!
 
Peter.Cort's Avatar
 
Join Date: Jul 2007
Location: Boston, MA
Posts: 5,018
Default Re: Dimmed screen -- dead inverter?

not that i know of, google it.
__________________
A notice to EVERYONE who has posted here with a computer problem, I highly encourage you to keep current with the forums, even if it's browsing for 10-15 minutes during lunch, or before you go to bed at night. There are many things that you can learn and apply to future issues. My goal is to help people get to a point where they can use their own knowledge to help themselves, and others.

Also please use the search button. You've got a 50/50 chance that someone's asked your question and we've answered it.
Peter.Cort is offline  
Old 12-16-2007, 09:25 PM   #6 (permalink)
Junior Techie
 
Join Date: Apr 2007
Posts: 94
Default Re: Dimmed screen -- dead inverter?

It is the inverter. If you are getting a picture at all (just darker) then it's the inverter. The way laptop screens work (all lcd's I guess) is that there is just some screens (like lenses) that distribute the light coming from the bottom of the LCD through the front of the LCD. LCD panels, block a lot of light, so the light needs to be somewhat bright, that's why there's a special inverter and stuff. If you shine a flashlight onto it, and still see your desktop or whatever, then you're in business, it's the inverter. Sometimes, if the LCD is dead, the light will still work, so that's another sign that it's just the inverter.

I'm in the process of turning an old laptop LCD into a projector (by using special lenses and shining a very very bright light through to get the image to the wall) right now. And to test if my LCD worked after I ditched the inverter was just to shine a light on it. Good luck to you, it's not really that bad to replace either, it's just taking the laptop apart that sucks.
__________________

__________________
Specs:
e6750 @ 3.3
OCZ platinum rev. 2 @ 830, 1x500gb, 1x250gb, 1x80gb hdd's.
BFG 7900gs
Antec ea430
CM rc 534 (with side window)
ASUS p5k- vm
jakebrick is offline  
Closed Thread

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Dead pixel doom. (Good monitor to dodge dead pixels?) SpellSword System Upgrades 6 12-16-2007 02:37 PM
Stuck or Dead Pixel? silentex Hardware Repairs and Troubleshooting 9 11-27-2007 01:15 PM
Blue Screen before login Chrono Hardware Repairs and Troubleshooting 2 07-28-2007 03:36 AM
Screen stays black.... Cajete Hardware Repairs and Troubleshooting 2 04-01-2007 08:20 PM



Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -5. The time now is 09:15 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.