Question about IBM ThinkPad T23 2647 Notebook

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Screen flicker i have a hp dv 2000 notebook. the screen flickers but when i move the lcd display up and down i can find a "sweet" spot then its ok untill i move it again. is this a connection problem or a lcd lamp driver problem? seems like a connection problem. but would a lcd lamp driver problem act like this also?

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  • badpla Jun 02, 2008

    ya..thats what i thought. im not having any sound problems yet though. but i will check it out anyways and let ya know. thx for the help.

  • badpla Jun 02, 2008

    ya..thats what i thought. im not having any sound problems yet though. but i will check it out anyways and let ya know. thx for the help.

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It is a connection problem. THe cable that connects to the LCD and mainboard is busted.YOu need to take it apart and try to rreposistion the cable or buy a new cable off ebay. the Inverter is fine.You might also notice the sound isn't working that much.

Posted on Jun 01, 2008

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How do i fix a flickering screen problem of my HP Compaq 6735s laptop


The flickering could be a sign that your lcd screen is going bad and needs to be replaced. It could also be the video card inside the computer. Isolate the problem by connecting another monitor to the laptop. Borrow a monitor from a neighbor, friend, relative or co-worker and connect it to the laptop. If the Borrowed monitor displays ok without flickering, then your video card inside the computer is good, but your lcd screen is bad. If the Borrowed monitor flickers like your lcd screen did, then your video card inside the computer is bad.

Plug in an external monitor and see if the display shows up on it. It can be any kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If so that proves your video card is ok. The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.

Try tapping the back of the lcd screen's lid to see if the flickering stops, increases or decreases. It might be that the lcd cable located at the top on the back of the lcd screen is loose.Isolate the problem by connecting another monitor to the computer. You'll have to take the lcd apart to get to the video cable on the back of it.

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Laptop computers have LCD displays that are sensitive to many things. LCD displays have faults that sometimes produce a flickering screen, lines, dots or a faint display. These screens are sensitive to magnetic fields or electronic items near the computer. Speakers, cell phones, lights and other electrical items are examples. Your display also could be flickering due to software issues such as the video drivers or hardware issues relating to the inverter going bad or the LCD screen itself needing to be replaced. Trace the cause of your problem to come to a resolution.

1.Turn off the computer. Disconnect all external devices. Turn the computer over (bottom facing up). Take out the battery and reseat it. Turn the computer on.
2.Reset your resolution and refresh rate.
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Right click an open area on your desktop. Click "Properties" in the drop-down menu.
Click the "Advanced" button at the bottom of settings tab. Another dialog box appears. Click the "Monitor" tab. Change the Refresh rate to your default, or 60 hertz. Click "OK."
Windows Vista:
Click "Start, Control Panel." Find and click "Appearance and Personalization." Click "Adjust Screen Resolution." Change resolution to the default, or 800 x 600. Click "Advanced Settings." Click the "Monitor" tab. Change the refresh rate to the default, or 60 hertz. Click "OK."
Windows 7:
Click "Start, Control Panel." Find and click "Display" Click "Change display settings" on the left side. Change screen resolution to 800 x 600. Click "Advanced Settings" in the lower right. Click the "Monitor" tab. Change the refresh rate to 60 hertz. Click "OK."
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If the flicker stops, put back one item at a time to determine what is causing the problem.
4.Connect an external monitor to your laptop computer to see if that screen is also flickering. If there is no flicker, then the problem is strictly with the laptop, indicating a possible hardware failure. Contact the manufacturer for a replacement LCD.
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5.Reset/Update your video driver. Click "Start" and right-click "My Computer." Click "Properties." The "System Properties" dialog box will appear.
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8.Check to see if the flicker still exists. If so, go to the manufacturer's website. Download and install the newest video driver and BIOS for the computer.
9.Restart computer once drivers are installed. Continue to the next step if there is still flickering.
10.Open up your display screen all the way. If the flicker stops by opening it a certain distance, it is the display inverter. If the flicker still exists, the LCD screen should be replaced.
11.Contact the manufacturer of the computer for more information and a possible replacement inverter and LCD display. This will depend on the manufacturer and the computer itself.

I hope you find it very helpful. Thanks

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Change the display resolution in Windows Change the display resolution to the highest resolution using the following actions:
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2 Answers

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That really depends on when it flickers, does it flicker when you move the display open or closed or when you press some part of the laptop?

If it happens when you press a part of the laptop, the display cable could be loose, thats unlikely.

I recently had a similiar problem with a toshiba laptop, the screen would flicker when pressed on the bottom left side of the laptop.

I checked the wires and they where fine, in the end I seem to have fixed the issue by pressing on the top cover where the issue happens and at the same time from the bottom from the same spot, what I did on that laptop, there was a cover that I could remove so I could press directly on the mainboard, pressing directly on the mainboard with my fingers and at the same time pressing down from the top seem to have fixed the problem on that laptop.

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