Question about IBM ThinkPad R50e Notebook

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CFL bulbs won't work in ceiling fan?

I recently bought the compact florescent light bulbs from Home Depot and tried replacing the burned out bulbs in my ceiling fan. There are 3 bulbs per fan and 2/3 work fine, but the third never works. I've tried moving the position of the bulb with one I just saw working and it doesn't work in that one socket. It's not the socket because when I replace that one bulb with an original incandecent bulb, all of them work fine. I made sure when buying the CFL bulbs that they were the exact replacement equivelant (60w-60w=13wCFL) with the correct base (intermediate [newest base type, very rare]). Any ideas why this happens? Is it because they are running in parallel or series and they're not getting the power they need?

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  • wraith0127 Mar 08, 2009

    Nope, no dimmer switch on this circuit. Simple on/off switch on the fan itself and on the wall with separate wall switches for the fan and the lights.


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They should all work. The only problem might be if they are connected via dimmer. Dimmers and CFL does not work together.

Posted on Mar 08, 2009

  • Arcticmarine Nov 23, 2010

    I know this is a long shot, but we are experiencing the same problem, the fan has 4 sockets and 3/4 work fine with cfls. The 4th socket works with the old bulb and placing a known good cfl from one of the other sockets does not work. Were you able to resolve this issue?


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Boot to windows, after flag loads, screen remains light blue. Hd activity and even the window 'Tada' plays. EPSA indicates all is ok. Same thing happens trying to boot in safe mode.

there are a few reasons for this, one right off the top of my head is the thermal products have started to decline, & your G.P.U. is feeling the heat, it might need to be re'heatsinked, this is an easy fix for a smart guy such as yourself, the other is the florescent bulb has burned out, you can tell if you put a flash light up to screen after it has boot up, you will see the desktop icons with a torch or flashlight up close to the screen. The other probability is the inverter ! the inverter & bulb are under the bottom part of the baisle on your screen it is a few screws & it snaps out of the frame

Feb 27, 2015 | Computers & Internet

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Overhead fixture, as being a light fixture in a residence on the ceiling?

CCFL - Cold Cathode Fluorescent Lamp

Commonly just referred to as 'Fluorescent lighting'

Just clarifying because we are in the Laptop PC category

Right off hand I would say it's the Ballast, but it may be a system that doesn't even use a Ballast.

Beyond my area of expertise.

Would like to suggest you re-post in a different category, if the above holds to be true, (Except for my last statement)

Home & Garden > Lighting

If it IS a laptop, state the laptop manufacturer and model number.
The model number can be found on the bottom of the laptop.

Post back in a Comment.


Apr 05, 2013 | Computers & Internet

2 Answers

I am trying to find out what backlight type my lap top has without removing the scree. i have a toshiba part number psly5u-00q01t

Buy a 345mm x 2mm backligth (is for 15.6" screen) with harnes to easy replacement

You can buy on

Is important for people who share their knowledge, know your comments.
If the answer is helpful, rate my answers

Sep 21, 2011 | Toshiba Satellite L455D-S5976 Notebook

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My computer will turn on and the screen starts to turn on. It turns to a lighter shade of black but it wont turn on completely. The mouse pointer still shows up though

The CFL (Cathode Florescent Lamp) may gone fuse, or the inverter may be faulty, replacement of either is solve the issue.
Good Luck

Dec 11, 2010 | Toshiba Satellite L455DS5976 Notebook

1 Answer

My screen light has stopped working.

More than likely the inverter board is shot. Start by replacing this and if it does the same thing then the CFL lights went out. Here's a couple of links that might help:

Hope this helps!

Feb 12, 2010 | HP Pavilion ze2000 Notebook

1 Answer

Compact laptop keeps overheating then cutting off

Check the fan, it may have stopped spinning. If the fan bearing has seized, you may be able to free it by removing the fan label covering the bearing and oiling it. If it does't work, replace it.

If the fans spins freely then remove the fan and clear dust from the heat sink fins.

Dec 12, 2008 | HP Compaq Presario 1500US (470038-813) PC...

1 Answer

Acer Laptop TM240 , display has green tinge....

This is one of two things.

The first is that the color settings in the advanced section of your display properties has been altered.

The second and unfortunately the more likely is that your lcd screens back light or cfl (compact fluorescent lamp) has began to fail, usually due to age.

If this is the case you can either replace the entire lcd panel or just the cfl. Changing the lcd panel is fairly straight forward, but changing the cfl while it is the cheaper option it is a much more technical job to complete.

Jul 02, 2008 | Computers & Internet

1 Answer

Help with Display Issues

this appears to be a screen problem. either the cfl tubes on the way out. Or The Inverter.
The cheapest initial trial, is to replace the inverter, as this is the simplist to replace, it,s at the bottom centre of the screen, and can be accesssed by removing the screen bezel.
If you imagine the cfl tube being like a florescant bulb, and the inverter being the starter. if the inverter isn,t kicking up enough power. the bulbs not getting fully boosted up. also pink tinges can sometimes relate to inverter or cfl ( Laptop monitor tube/bulb ) if you search the internet their are tutorials, and links to these components. alternatively is to buy a replacement screen ( l.c.d panel ) however you might be looking in excess of £300 Or $600.

Mike @ Compurepair.

Mar 13, 2008 | Toshiba Tecra M2 Notebook

2 Answers

Ibm laptop

I would suggest changing the inverter first as it it the simplest and cheapest solution. inverters for the thinkpad can be picked up on eBay for a couple of ponds.

Jan 17, 2008 | Lenovo ThinkPad R51

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