I got my IBM ThinkPad 380Z all fixed now and A okay. It was the LCD screen that was blinking and turning off, not the LCD Inverter. and I downloaded the CD-ROM driver for Windows 3.11 off lenovo.com since they didn't have for Win95,98,ME,2000, XP since they cliamed those Windows come supported with it. But I have another 380Z someone sent me to fix for them off my website and there getting a part fix 380Z to send to me because I tested the Laptop and the motherboard is damaged. So there going to send me the one they win off ebay and trade out the motherboards
Thanks Again, patrick...
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The backlight fault could be caused by a faulty inverter that supplies high voltage to the CCFL lamp OR the CCFL lamp could be faulty. The inverter is located at the bottom of the LCD screen between the laptop's hinges behind the plastic bezel surrounding the screen, The CCFL lamp is located on the bottom edge of the LCD screen behind a reflector that runs along the bottom edge of the LCD screen. The reflector is taped to the bottom edge of the screen. To get access to the inverter, remove the plastic bezel. To get access to the CCFL lamp, remove the screws that secures the hinges to the base, disconnect the video cable and inverter power leads from the motherboard. Remove the plastic bezel, it may have double sided tape securing it to the LCD screen, BE CAREFUL you do not damage the glass on the LCD screen. Remove the screws that fix the LCD to the lid. Now you can get access to the reflector and CCFL lamp. Carefuly remove the tape as you will need it to fix the reflector back onto the LCD.
Try attaching an external monitor to the laptop & see if you could get any display on it. If this is successful, then you might have either a faulty LCD cable or screen inverter board. The
LCD cable transfers data signal from the motherboard & video card
to the LCD screen. It also supplies high voltage DC power to the screen
inverter board. The screen inverter board works as a power supply for
the backlight lamp mounted inside the LCD screen. It converts low
voltage DC power to high voltage AC power needed for the backlight lamp
On the second Thinkpad laptop, that doesn't show a display with an LCD screen. Plug a VGA monitor into the VGA port on the back of the laptop. Hold the Fn key down, tap once on the F7 key (Toggle your display over to an external monitor)
Give the VGA monitor a few seconds to come on. (It's a VGA monitor)
Do you have a display on the external monitor? No? You May have a bad GPU then. (Graphics Processing Unit,
Fix? Change out the motherboard. Possibly Ebay has one, dunno.
VGA monitor has a display? Then you may have a bad Inverter. The Inverter provides power for the LCD screen. Inverters go bad.
Are both Inverters the same? (Laptop to laptop) BE SURE. The Inverter MUST match the LCD screen! Check the numbers on both Inverters. If they are the same, switch the good one over to the 2nd laptop. See if you have display now. No? Then it's the GPU.
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This sounds to me like either your flourescent lighting tube is beginning to go bad ,,, or the inverter is going bad ... or even both. :-)
The cheapest and easiest solution for you is to simply replace the LCD screen (replacing the inverter or the tube are actually a bit cheaper, but not quite as easy to do - most computer repair centers will try to talk you into a new screen anyway). This is actually very simple for either you or someone you know who is an avid "do-it-yourselfer". IBM makes ity very easy. You will find easy, detailed instructions in the ThinkPad 600/600E (2645)Hardware Maintenance Manual, IBM S10L-9619-03 June 1999 available for FREE downloading in .pdf format on IBMs website. Follow this link to some really sweet deals on LCD screens for your 600e on eBay for under $35.00. http://shop.ebay.com/items/?_nkw=ibm+thinkpad+600e+lcd+screen&_sacat=0&_trksid=p3286.m270.l1313&_sop=12&_dmpt=Vintage_Electronics_R2&_odkw=IBM+tube&_osacat=0 Remember you can always connect an external monitor to your ThinkPad until your new screen arrives if you have one. The manual should also give you instructions to change out the tube if you wish to save a few more bucks and try that route. Hope this will FIX-YA! Please leave your feedback and let me know!
First try this, right click on the desktop, click properties, open the screen saver tab, click the power button, then change the screen settings to never. If this doesn't work, then I'm afraid it's a hardware issue. Check the screen connections, connection to the back of the screen, screen to inverter, and screen to motherboard (under the keyboard), sometimes the connectors can work loose. If the connections are good, then the issue may lie with the inverter or screen itself. More than likely an intermittent problem with the inverter.
There are a ton of these machines out there. If you can't find just the ribbon Ebay, try a whole machine not working.I recently picked one up off Ebay for $28 with shipping just for parts. You can also try a local shop that sales or services used machines. If you can't locate one, you can give me a call, I believe that I have a few at my shop and we'll see if we can get you one. My shop number is 417-626-7727, I'm open tues - sat 10:00am till 6:00pm. I may need you to send the old one, if you have it, in order to make sure we get the right one.