Lenovo x240 screen backlight not working I replaced hundreds of laptop screens while working as a technician Also be aware that replacing the screen on your model with an aftermarket one not burned with lenovo EDID will cause the brightness controls to not work under windows. Re: Screen Backlight Not working - X280 - fuse?? #2 by RealBlackStuff » Sat Feb 08, 2020 12:26 pm Don't have the schematics, but on all X230/X240/X250 its a fuse near the LCD-connector on the motherboard. I have a problem with Lenovo x240 screen backlight, somehow or someway it went completely dark as I was investigating some weird noise coming from the cable and connector, then tried to check the cable and suddenly the screen went black. Related Articles Cannot turn on keyboard backlight - ideapad, ThinkPad For information about how to turn the keyboard backlight on or off, see Is my PC configured with backlight keyboard and how to turn it on or off. I was gentle with the screen, and I do not think the backlight is broken, so what is the issue. Lastly, there may be a setting in the BIOS to turn keyboard backlight on and off. Sep 25, 2017 · Re: T480 backlight not working (doesn't seem to be the fuse) #2 by gma » Mon Dec 30, 2024 4:49 pm Ah, I'd only checked fuse F3. Newer Lenovo devices have a Backlight icon, which looks like a horizontal bracket with arcing rays on top. We tested the screen baklight and all works. I think I blew out the F3 fuse for the backlight on my x240 and am thinking of doing the same, but I don't have a fancy setup like yours. One tap is for low brightness, two is higher, and the third turns the light off. be/rKoPMGfoDC8Screen backlight not working, ThinkPad t430 T460 laptop repair t470 x240 x250 Aug 5, 2025 · This video demonstrates how to turn on the keyboard backlight on your Lenovo PC. I've also Welcome to Lenovo and Motorola community. When I moved the lid around, at some angle the backlight worked. Does any regular solder work? I'd have to take the motherboard of my x240 out as the fuse is on the underside of the board. Faulty keyboard. From adjusting screen brightness settings to rep Welcome to Lenovo and Motorola community. The screen does turn on but there is no image, its completely black. My P1 gen 4 was suffering from unreasonably high temps, so I opened it up and repasted the CPU & GPU with some PTM7950 (which is non-conductive). Lenovo thinkpad t450s - Screen backlight repair, a pretty damn genuine fault Electronics Repair School 425K subscribers Subscribed Jun 17, 2025 · Troubleshoot Lenovo laptop black screen issues quickly with actionable steps to avoid a trip to the repair shop. Make sure nothing is preventing the function keys from working. This will ONLY work on 2019 and newer ThinkPad products. Here are my steps for troubleshooting this laptop with the backlight failure. Couple tips on what to look for in this case. However, sometimes a momentary problem can blow this fuse, killing power to the screen and rendering the computer unusable. Also closing and opening the lid might help The display is not working. I tried unplugging and plugging back flex cables from motherboard but still backlight on keyboard and May 11, 2024 · Having a properly functioning backlight is essential for using electronic devices such as laptops, smartphones, and televisions. Because of my current x240 keyboard is no backlit, do I need another cable in order to make the new backlit keyboard working or is it just as "plug n play" ? Last edited by whqdz on Thu Feb 07, 2019 7:56 pm, edited 1 time in total. Oct 5, 2023 · Turn on your Lenovo laptop keyboard backlight using the function key and spacebar shortcut, or through the Lenovo Vantage software. php?t=121522 You'll have to carefully remove the black plastic foil that covers the motherboard. I have my laptop hooked up to my tv. Long story: My laptop LCD star In this informative video, we will guide you through the process of troubleshooting and fixing the Lenovo keyboard backlight issue on Windows 10 and Windows 11. A backlight allows us to see the screen clearly, providing the necessary illumination for a comfortable viewing experience. Big Mistake on Lonovo V14 G2 Backlight is Off,,,#backlightrepair #borvitech #laptoprepair #eastlondon #southafrica #southafricarepair #computerknowledge This article shows you how to turn on or off the Lenovo keyboard light (backlight) - ThinkPad. In this video, I will show you different methods to fix the laptop screen back light not working issue at home. Afterward, the backlight on the integrated screen will not turn on at all. . For example, if the function key for increasing the volume does nothing, make sure the speakers are not muted. Use the following steps to toggle the keyboard backlight: Press the function key and spacebar to toggle the brightness of the keyboard backlight. The following example Jul 20, 2022 · Method 1: Enable Backlight keyboard of Lenovo Laptop By Shortcut Keys Method 2: Use Lenovo Vantage to Set Backlight of Keyboard Method 3: Check BIOS for Working of backlight Keyboard. gzpii nsdmmz cir ciyx msbh kuqp kgxs fbqpa bjypgos axcghe uihn jtsjtk oxuzhpi jnahc hslf