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Ibook LCD sreen is dim.

Message #1 - Posted 2005/07/07 - percicles

My LCD screen on my ibook g3 (dual USB) just went partially dark. I can faintly see the HD, cursor, etc... when it runs but it seems as if the lamp light blew out. Ive searched the forum and paticularly this discussion topic helped.

http://mymac.ws/mac-laptop-screen-is-black-7332.html?start=0&postdays=0&postorder=asc&highlight=black+lcd+ibook

However, I dont know if apples extension warranty will cover me as im 4 months past the deadline. Ill try calling them later this morning. What im wondering is if past posters have had the same problem and what they did to fix it. Also what it would cost to fix it or if i could fix it myself. I have no Comp skills. I had a local COMP store replace the harddrive and RAM. And that cost me $150. He installed Tiger for free so I rationalised that i only spent $50. Needless, i dont want to have to spend an arm and a leg fixing it nor do i have the funds to buy a brand new iBook.

Thank you all.

Message #2 - Posted 2005/07/08 - Jim Wright

Previously, percicles wrote:

My LCD screen on my ibook g3 (dual USB) just went partially dark. I can faintly see the HD, cursor, etc... when it runs but it seems as if the lamp light blew out. Ive searched the forum and paticularly this discussion topic helped.

http://mymac.ws/mac-laptop-screen-is-black-7332.html?start=0&postdays=0&postor der=asc&highlight=black+lcd+ibook

However, I dont know if apples extension warranty will cover me as im 4 months past the deadline. Ill try calling them later this morning. What im wondering is if past posters have had the same problem and what they did to fix it. Also what it would cost to fix it or if i could fix it myself. I have no Comp skills. I had a local COMP store replace the harddrive and RAM. And that cost me $150. He installed Tiger for free so I rationalised that i only spent $50. Needless, i dont want to have to spend an arm and a leg fixing it nor do i have the funds to buy a brand new iBook.

Thank you all.

Please don't be insulted, but did you hit the "brightness" control on the keyboard (looks like a sun). I only ask because I did that once and I have an ibook G3 800.

Jim

Message #3 - Posted 2005/07/08 - percicles

Jim

Yes. Its on full bright. I can see the white sun icon when its pressed but the screen is still black

Message #4 - Posted 2005/07/09 - James Wright

Previously, percicles wrote:

Jim

Yes. Its on full bright. I can see the white sun icon when its pressed but the screen is still black

Sorry, my question must have sounded dumb. I wasn't certain how long you had the problem

Jim

Message #5 - Posted 2005/07/09 - DaveC

Thus spake percicles:

My LCD screen on my ibook g3 (dual USB) just went partially dark. I can faintly see the HD, cursor, etc... when it runs but it seems as if the lamp light blew out.

It sounds like either the lamp that provides the backlight for the LCD display has burned out, or the inverter PCB that provides power to the lamp has died.

Most repair services will tell you that the display has to be replaced as a unit if the lamp is bad. Very few places will actually replace the lamp, but the savings in parts (lamp vs. display cost) is lost in the extensive labor required to disassemble the display in order to replace the lamp. Most cost-effective is a used replacement display.

If it's the inverter PCB that's the culprit, you're lucky -- it's much cheaper, and available used also.

If Apple won't repair it gratis, try these parts & repair resources:

www.pbparts.com
www.powerbookmedic.com
www.pbfixit.com
www.wegenermedia.com
www.powerbookresq.com
www.dttservice.com

Good luck,

Please, no "Go Google this" replies. I wouldn't ask a question here if I hadn't done that already.

DaveC
me@privacy.net
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Message #6 - Posted 2005/07/10 - dumbstruck

If it's the inverter PCB that's the culprit, you're lucky -- it's much cheaper, and available used also.

I had a Toshiba with that problem and fixed it by just wiggling the connector plug to the inverter PCB, which apparently gets corroded.

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