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Flickering Taskbar IBM T400 Thinkpad Win 7 32bit pro

Q: Flickering Taskbar IBM T400 Thinkpad Win 7 32bit pro

I have a IBM T400 Thinkpad win 7 32 bit pro OS and the taskbar just recently started flickering in "heartbeat" type of rhythm. I have updated the display drivers as the only solution I have been able to glean from this forum and the internet. The driver update has not worked to date.

I would appreciate any other suggestions to fix this issue


Preferred Solution: Flickering Taskbar IBM T400 Thinkpad Win 7 32bit pro

I recommend downloading and running DAP. It can help sort out any driver and firmware related issues on your system

It's worked out well for many of us in the past.

You can download it direct from this link http://downloaddap.org. (This link will open the download page of DAP so you can save a copy to your computer.)

A: Flickering Taskbar IBM T400 Thinkpad Win 7 32bit pro

Is anything else flickering besides the taskbar?i also have a t400 but mine is running windows xp pro with no problems. it might be that the graphics or video cards have a problem or the laptop screen itself might be the culprit.you might want to have it checked out to see what the actual problem is and then go from there.

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I just flashed me eeprom for some reasons, but now my think pad is not booting properly , it goes in bios automatically and after some time turns off.

A:Thinkpad t400 notbooting

Hi Punittiwari3353,
Welcome to Lenovo Community!

Have you checked it individually with battery and without battery?
Did you check with different power adapter or with different power socket?
Is the CPU fan running with regular speed?
Boot the system into ?Safe mode? and check if the issue persists there also?

Hope this helps. Do post back if the issue persists!
Best regards,
Hemanth Kumar

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Hi, I've searched the forums and elsewhere online, and I can't find any real help for this issue. I'm running Win 7, and I have the most up-to-date drivers from the Lenovo site. I have turned on loudness equalization, but it has not helped the problem. This is an across-the-board problem. What I mean by that is, this problem persists regardless of the application, which I happen to be using. For instance, I use Media Player Classic: Home Cinema to watch movies. If the volume is at 0%, as I begin adjusting it upward, the volume level rises. However, as I reach about 70%, the volume stops increasing. There are audio adjustments w/in the application to boost the volume, but they serve to provide minimal effects. Overall, the volume is incredibly low. If you're sitting more than a few feet away from the laptop, it is inaudible. I don't know what else to do, and I was hoping that someone might offer some assistance. Thank you.  Jeff


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A:Thinkpad T400 Volume Too Low

Welcome to Lenovo Community! jmg999
How about uninstall your current Conexant driver and install custom Dolby driver from my signature link? It should help to boost a lot. In fact, T400 speakers are louder than other new T-series speaker.
W520 (4284-A99)
Does someone?s post help you? Give them kudos as a reward, as they will do better to improve | Mark it as solved if the solution works for you, so it could be reference for others in the future | Please do not email me regarding technical problems, you could post it in the forum
Sound Enhancement (Post comments, share mixes, etc.)
Dolby Home Theater v4 ; IdeaPad Slate Tablet

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I honestly have no clue what could have caused this!  I turned it on this morning & it was stuck on the booting screen. It read "ThinkPad" in large letters followed by "To interrupt normal start up, press the blue ThinkVantage button." I waited for about a half hour for it to boot & it never did. I of course pressed the ThinkVantage button & to my dismay...nothing happened. Afterwards, I unplugged it & removed the battery pack. I then plugged it back in & attempted to start it up again. Once again, nothing. I unplugged it again & attached the battery pack. At that point I tried starting it up again and N O T H I N G!  What do I do?!


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A:My ThinkPad T400 won't boot!

have a look at your usb ports, there could be some sort of pins touching, as the result of damaged usb pins.
ADMIN Edit - Link to related tip in our forum KB

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I have got refurbished laptop which is in amazing condition  just like new. I am going to upgrade my laptop with RAM and SSD.Laptop description. Intel Core 2 Duo CPUP8600 @ 2.40 Ghz2GB RamWindows XP 32 bit Pro RAM:-I am trying to upgrade the Ram with 8 Gb and will also upgrade with windows 64 bit 7 From lenovo site they have recommended  PC3-8500 1066MHz DDR3 But from Crucial site after scanning my laptop from their tool they have recommended: PC3-10600 1333MHz DDR3even many people have installed this Ram in there laptop and it works. Which is one more suitable ?... SSD: Which one is best?: Crucial M500 120GB SATA 2.5-Inch 7mm (with 9.5mm adapter) Internal Solid State Drive CT120M500SSD1  Samsung Electronics 840 EVO-Series 120GB 2.5-Inch SATA III Single Unit Version Internal Solid State ...  Samsung 840 Series 2.5 inch 120GB SATA III internal Solid State Drive (SSD) MZ-7TD120BW   


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A:thinkpad T400 Ram Upgrade

RAM: You need a minimum of PC3-8500 1066MHz DDR3. However faster chips like PC3-10600 1333MHz DDR3 or PC3-12800 1600MHz DDR3 will work fine as well.
If there's little or no difference in price I'd buy the faster memory. The reason is that if I upgrade to a new(er) notebook it's more likely the RAM will work at full speed on that system.
Note also that while you can upgrade to a maximum of 8GB (2x 4GB) with a 32-bit OS like WinXP-32 you won't be able to utilize more than 3GB.
SSD: Any of the drives you've listed will work well. 

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I have a thinkpad T400. Couple of months ago the problem started. I could not shut it down it just keep re-booting. I had to press and hold the start button to shut it. Now it won't boot at all. It beeps 1-3-3-1 and just sits there. When I press start button all lights come ON for a while and after only battery , AC and Ready lights stay ON. Here are few things I did so far without any luck: 1. Removed battery and AC adaptor waited few minutes put it back - same problem2. Removed CMOS battery. DIMM cards waited for ten minutes replaced - same problem tried with swapping  DIMM cards - when I put only one card on top slot it says put the card on zero "bottom" position. After placing the Mem card on the bottom slot no thing happens. It beeps again and sit. When I checked in the manual it says either DIMM or System board. I do not know which one is giving me the problem. I just do not want to replace all parts without knowing. Can any body help please or had similar issue and solutions if you managed to solve it. Thank you. Roshni

A:Thinkpad T400 won't start just beep 1-3-3-1

If you tried both DIMM cards you have in the bottom slot, it sounds like tyhe system board, assuming they were seated correctly

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Hi,I have ThinkPad T400, which isnt supported on lenovo sites anymore and have problems with drivers or updates BIOS system, cant find nothing safe. I  have Windows 10 32-bit and works with small problems, but works quite good. But can try update BIOS for better results. Thank you very much.

A:ThinkPad T400 - BIOS update

you should be using the 64-bit version of windows 10 as for a BIOS update, the T400 is ok with the original one, the link is provided for the thread if an update is desired https://support.lenovo.com/ca/en/downloads/migr-70350  

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I have a T400-2764 that I have upgraded to Windows 10.  What do I have to download to have the best drivers and software for this system, like battery management, display management, and WiFi management???

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Now, I suspect that the inverters are fine and I'm wondering about the LCD switch or LCD cable. I suppose I could just buy a cable, but before that, I wanted to take a step back and try to figure out if I'm overlooking anything. I've not been able to find a picture or location of the t400 lcd switch in either the lenovo hardware manual for the t400 or elsewhere online.Hi,I've got a thinkpad t400 with CCFL backlight. I recently replaced a bad LCD (the backlight was working at the time) with a new one. However, while the new screen works, it's backlight did not. I ordered a new inverter and plugged that in - still didn't work. I grabbed the old screen's backlight and tried it with both inverters - did not come on. I then grabbed another laptop I have and plugged in the old screen's backlight - it came on. Plugged in the new screen's backlight (while lcd was still plugged into the thinkpad), it's backlight came on.So, I know both backlights are fine, and suspected I just had a crappy inverter. I got a replacement new inverter and it still doesn't work. Tried new lcd and old backlight with all three again, no dice. Backlights still turn on when connected to spare laptop. So I now suspect the inverters are fine. I noticed that the laptop no longer goes to sleep or hibernation when the lid is closed. I changed the power settings so that it should sleep or hibernate, tried each power mode and it still refuses to do so. So I think the issue is with the switch that detects when t... Read more

A:Thinkpad T400 Backlight Issue

Did you ever figure your problem out.  I have the exact same issue...  Thank!

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Hi all -I know I am talking about a very old machine but I am hoping there is someone out there that would be willing and able to provide helpful  advice - some background -  in my dire need I purchased a 'refurb' Lenovo Thinkpad T400 from who now turns out to be an unreputable seller - I was silly enough not to worry about recovery disks or even a 30 day warranty - now I am paying dearly for my negligence.  This machine has had issues from day one that I thought I could work my way thru reading forums, Lenovo site etc. but nothing has worked.  My first challenge was trying to just get the right-click on touchpad to produce context menu - I searched and searched and reluctantly loaded 3rd party softwares to no avail.  I gave up on that only to discovered that when I loaded any antimalware program my cursor would not open that program nor would it open any other program on the machine. So I uninstalled the antimalware. So I can't really run to see if I have a virus.  To make a long story short right now NONE of the function keys work nor the THINKVANTAGE.  When I reboot and attempt to go to safe mode, bios utility I get nothing except opening up windows where sometimes the cursor will open a program or not and the trying to open programs from the start menu or the task bar is hit or miss same happens in the start menu and trying to open a browser.  I am running on Windows 7 Pro 64-bit and would like to go back to factory settings, but ag... Read more

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It all started when I installed Win 7 after a Linux usage for a couple of months. First I thought it was uTorrent that screwed it up so I removed it but it still gave BSODs at least once a day. Haven't had the energy to do anything about it until now so now I'm asking you guys for advice how to get rid of it.
I have activated minidump in Control Panel > System > Advanced System Settings > Setting in Startup and Recovery > Small memory dump (256KB) under System failure.
Got a BSOD a couple of minutes ago but I didn't get a minidump output from it.

Attached the four debug reports I got from SF Diagnostic Tool.

Appreciate any help I can get,

A:Thinkpad T400 Elite. Get BSODs all the time

Can0n, welcome to SF. Please fill out detailed System Specs, found in your lower left corner.

Then, follow these instructions:


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I put my Thinkpad T400 in hibernate, but next morning I could not boot. When I press the power button, the lights below the screen turning on and I hear the sound of the hard disk, and the turns off. I do not even see anything on the screen; it is just black. The process keeps on repeating in a loop, unless I press the power button to turn off. I have tried the static charge removing trick. I have also removed the hard disk put it back again, but did not work either.  Please help.

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A:Thinkpad T400 not booting, lights below the screen...

Solved the problem myself. Removed the internal battery and reinstalled it after 30 s. It worked perfectly. Typing from it now.  

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Hello Dears, I have updated my BIOS via Lenovo BIOS updater and everything went successfully and it asked me to restart your computer after updating BIOS and now I do not get any display , I have waited for like 10-15 min to see if i can see anything and i saw it booted and i have updated my drivers for win 7 ultimate and upon restart again i dont have any display and i am waiting 20 more to see if i get anything .  Anyone else face the same problem here after updating BIOS? What should I do guys next, I still have the warranty left? Does updating BIOS remove the warranty?thanks in advance for your advise regardsJan


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A:Thinkpad T400 No display after BIOS update

updating bios did not affect warranty. call for service

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Hi everyone. I've a problem with mi Lenovo ThinkPad T400. The brightness is always at the minimum, and cannot be changed. But it is like when you close the laptop and the screens turns off, it is almost like that, I need a lantern to see what appears in the laptop, but besides that everything else works fine. If I connect it to an external monitor, then there is no problem, but you know, I don't wanna carry an external monitor with the laptop. Do you know how to deal with this? Thanks in advance!

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I have a T400 ThinkPad upgraded to Windows 10 that suddenly had a blank screen and no lights except for wifi.On closer inspection I discovered the backlight is not lit during startup, whilst ThinkPad splash and window symbol are displayed but then, screen goes blank and then I hear the windows startup sound.Displays perfectly on an external monitor. I have replaced inverter, lcd cable and screen .... nothing works! I'm not sure if I should just resell the parts I bought and get another laptop .... can I transfer Windows 10 to another machine or is there another fix I could try? I don't have much money.Any help appreciated.

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The machine stops at the ThinkPad screen. I have replaced the RAM but no luck. I have not the removed the CMOS battery. Any clue what my next step should be?


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A:T400 starts ThinkPad screen then stops - 6475

It was a problem with one USB port. https://forums.lenovo.com/t5/ThinkPad-L-R-and-SL-series/ThinkPad-hangs-on-boot-stuck-at-Thinkpad-scr...

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Hello,  My thinkpad's display isn't working, not are any of the status lights except the wifi one. A few things you should know about my ThinkPadSSD UpgradeBIG ONE: WAS drenched in water, did not turn on. I took it apart, dried it out, and put it back. It worked fine.Faulty CD Drive (randomly pops out, but recently is behaving itself)LCD Ribbon cable (connector cable) changed once for the same problem, but it's happening again now.RAM upgraded to 8 gigsRecently, like two days ago, a startup interrupt menu keeps showing up. No keys were pressed upon startup, but it still shows up. Windows 7 ProHinges are loose, display wobbles back and forth quite a bit.I would appreciate it if someone could point me in the right direction, I dont wanna keep buying ribbon cables!  Thank You!-Matt

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The T400 that I have will start but will go no further then the first screen.It sets at the screen that says Thinkpad and at the bottom of that that ssays to interrupt normal startup press the blue ThinkVantage button will not go any further. Just stops there.
Moderator comment: New thread created. Subject edited for clarity. Was: Re: T400 will not boot, any help from the masters?

A:T400 boot hangs at ThinkPad splash screen

@garyoverton,Does the hard drive light stay lit at that screen?

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I have a T400 which has the following two display adapters:

ATI Mobility Radeon HD 3400 Series
Mobile Intel(R) 45 Express Chipset Family

After installing Windows 7 and checking device manager, the ATI adapter does show up under the "Display adapters' section, but it has a ! sign on it, and if I click for details, it says:

This device cannot start. (Code 10)

I tried downoading and installing this:

Lenovo Support & downloads - ThinkPad Switchable Graphics Driver for Windows Vista 32bit and 64bit - ThinkPad T400, R400, T500, W500

and when I rebooted, it went through some diagnostic tests in a cmd window to finish installation. But when I checked the device manager again, the ATI adapter still says it cannot start.

I also tried this:

ATI Catalyst? Mobility Display Driver

which I got to by selecting W7 32-bit > Mobility Radeon > Mobility Radeon HD 3000 series.

It seemed to install OK, but I got a message which I've gotten with previous attempts, which says:

"The Catalyst Control Center is not supported by the driver version of your enambled graphics adapter. Please update your ATI graphics driver, or enable your ATI adapter using the Displays manager."

I went to the device manager, right-clicked on the ATI adapter and did Update Driver, and it did at first find a better match but said it couldn't be installed with the same error message from above (Code 10). Now, when I try to update the driver again, it says... Read more

A:W7 and ThinkPad T400 ATI Radeon 3400 series driver

I am also running a Thinkpad T400 with an ATI Radeon HD 3400 Series with Windows 7 32 bit. I cannot uninstall the current driver ( nor can I update using the ATI driver package.

Any help would be greatly appreciated!

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First, my t400 would only boot with power cord unplugged. Then it stopped booting altogether. I read to press the power button 10 times and hold it on the tenth time and to unscrew the palm rest to unplug the little battery for 30 seconds. That is the only way I can get it to boot now. I picked up a new regular battery today thinking it might be related but that hasn't solved it. Any ideas?

A:thinkpad t400 wont boot w/o reseting little battery behind palm rest

I looked at it closer and to get it to start i don't press the power button at all. I unplug the power cord and after unplugging the CMOS battery for awhile i just plug the power cord back in and it starts up. The first thing i see as it starts up is an error message about a bad CMOS checksum and then i have to change the date/time in the BIOS or it yells at me to do it. After all that it boots into windows 7. Once it is in windows no matter what i do to change the settings of what the power button does it still doesn't do anything. I can restart it fine but once i shut it down it the CMOS battery needs to be reset to get it going again.

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 Dear Moderator(s) I am having boot up warning with the current Bios that is recently updated in February 2017. This machine dual boots with Windows 10 and Ubuntu 16.04.2.  I am facing error and warning message from the Bios which can only be fixed by Lenovo Inc. Please review the bug and error messages below.  The bug is as follows:[ 0.000000] ACPI BIOS Warning (bug): 32/64X length mismatch in FADT/Pm1aControlBlock: 16/32 (20150930/tbfadt-623)[ 0.000000] ACPI BIOS Warning (bug): Invalid length for FADT/Pm1aControlBlock: 32, using default 16 (20150930/tbfadt-704) The ACPI error is as follows:[ 1.978280] ACPI Error: Field [TBF3] at 294912 exceeds Buffer [NULL] size 262144 (bits) (20150930/dsopcode-236)[ 1.978287] ACPI Error: Method parse/execution failed [\_SB.PCI0.VID.GETB] (Node ffff8801570b1960), AE_AML_BUFFER_LIMIT (20150930/psparse-542)[ 1.978296] ACPI Error: Method parse/execution failed [\_SB.PCI0.VID.ATRM] (Node ffff8801570b1938), AE_AML_BUFFER_LIMIT (20150930/psparse-542)[ 1.978304] failed to evaluate ATRM got AE_AML_BUFFER_LIMIT I am not certain if it affects the normal shut down. Even though i can use magic sysrq key to shutdown safely, it is a hassle to do so. Thank you for your kind assistance in issuing new update to the Bios for T400.   

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my system specs:
MB: Asrock Z68
CPU: AMD Athlon X2 64 ~2,7 Ghz
RAM : 2 Gb
VGA : ATI Radeon X1650 series 512Mb
HDD : WD 80 Gb Sata
OS: Win 7 Ultimate X86

every time i play 3D games (Halo CE, NFS MW, Halo 2, 18 Wos haulin, etc) the games flicker at some random time but on every other (win 7 boot, desktop, Office 2010, etc) it has no problem, i already try the CPU unpark solution but no effect any idea??? please answer its my parent PC

A:Flickering games on win 7 32bit often hangs

Maybe your graphics card is showing its near-to-death effects/ I suggest getting a new graphics card

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When opened fully (at right angle) the screen is blank. I can initially see a very dim Thinkpad logo on boot but nothing else, no BIOS, grub or luks screens. Also during this time the bluetooth LED on the inverter is on. The thinklight still works as does external display: If I move the screen down towards the keyboard the display comes on and I can see the screen as normal and other inverter lights come on such as the battery light.WHILE DISPLAY IS DOWN IN KEYBOARD   PLEASE ANY ONE SUGGENST ME WHAT SHOULD I DO?    

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I know I am behind the times using a Thinkpad T400 with Windows 7 Pro 64-bit but I am having a heck of a time using  this machine as it constantly freezes up.  I tried running the diagnostics and it failed on the SMART tests and did not complete the remainder of the tests ie video card, etc.  The final result code was:W1UKDVUB5-QE4MD9 Does anybody know what this code means - how much trouble am I in and why is this machine freezing up all the time? Thanks for any thoughts or assistance. Lorelei

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Hi everyone..Sometimes when using Internet Explorer 8 Beta on Windows 7 Build 7000 my taskbar flickering from background.I don't seen any problem or hang but interesting with this problem. Why it flickers ? Anyone got same problem as me?Best regards..Dincer Dincer

A:Flickering taskbar

This can be a software confliction or IE8 issue. You can try the following steps to test the issue.
Clean Boot
Let?s disable all startup items and third party services when booting. This method will help us determine if this issue is caused by a loading program or service. Please perform the following steps:
1. Click the Start Button type "msconfig" (without quotation marks) in the Start Search box, and then press Enter.
Note: If prompted, please click Continue on the User Account Control (UAC) window.
2. Click the "Services" tab, check the "Hide All Microsoft Services" box and click "Disable All" (if it is not gray).
3. Click the "Startup" tab, click "Disable All" and click "OK".
Then, restart the computer. When the "System Configuration Utility" window appears, please check the "Don't show this message or launch the System Configuration Utility when Windows starts" box and click OK.
Please test this issue in the Clean Boot environment, if the issue disappears in the Clean Boot environment, we can use a 50/50 approach to quickly narrow down which entry is causing the issue.
Reset Internet Explorer (IE) & register files
1. Click Start, please type "inetcpl.cpl" (without quotation marks) in the Start Search bar and press Enter to open the Internet options window.
2. Switch to the Adv... Read more

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Hi, today I realized my taskbar is flickering frequently while I'm watching youtube video or surfing internet. This is extremely annoying. I hope you guys can help me with this issue.

Processor: Interl(R) Core(TM) i5-3570K
GPU: AMD Radeon HD 7850

A:Taskbar Flickering

Hi have you tried reinstalling the graphics driver

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Idk if this a Hardware or Software specifically. But my screen definitely is glitching, flickering or whatever you want to call it. And it hasn't even been half a year yet. I don't live next to any Lenovo repair centers from what I've seen. So I'm frustrated that I bought an expensive defective unit. Shown below.https://photos.app.goo.gl/3mLWh7rFwz6xfefeA

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Hello, for the past 2.5 years I've been in IT at a company that uses about 250 Lenovo Thinkpad Laptops (T440-T460) along with Thinkpad Pro docking stations. Since I've been here we've had issues with these docking stations just losing signal while the employee is working and their screen goes black multiple times a day. I've since been promoted to Desktop Engineer and put in charge of the fleet of laptops and equipment. We've tried swapping cables, laptops, etc. We finally narrowed it down the these docks. We're still getting BRAND NEW Lenovo docks that we've been purchasing out of the box that do this and the only thing that we've been able to do is warranty them and hope we don't get additional bad ones. We have to replace atleast one of these docks a week. Also trying the firmware update that Lenovo has provided for the docking stations has never worked for us.

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Hello,  i've a brand new X1 Carbon 6th generation i7 and it seems that sometimes the screen is flickering (not turning off then on, but rather the light varying slightly) It's not dimm autodetection. What do you think it could be ? Thanks

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Please Help,
I have a 4 plus year old IBM Thinkpad that's been working great. The screen's illumination is fading at high illumination. I use it plugged in to AC outlet so the power supply is constant. Is this a problem I can fix? I have adjusted the screen to half illumination -- really too dark to use for long periods of time. Do I just have a worn out screen?


A:Thinkpad T30 screen is fading and flickering

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Alright so.. I have no idea what I did or do to fix this annoying problem, I'm having, but my taskbar especially near the start button is glitching.. Not constantly but sometime's I notice when I go to click a tab down low or click something along the taskbar it get's glitchy for like a second.


Now this is weird.. I tried recording it and taking a screenshot of it, but even if it was happening the video capture would see it as not glitchy and I know I got a 100% great image of it but when I pasted it in paint to show here it was not effected with the glitchy part..

Which makes me think it's the cord? But how can it be? tried HDMI cord, MiniDP to HDMI on it and DVI hmm..

This problem just started happening recently.

Could it be Cataylst Control Center? Because I do have to set my screen to overscan to make it perfectly fit the edges.

A:Windows Taskbar Flickering.

Hi welcome to the forum

lets rule out the monitor. do you have another one to test with?

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Once my Thinkpad W540 gets low on battery (like 35% or so), the right side of my screen starts to flicker, and doesn't stop till it's plugged back in. I tried updating the drivers on the Lenovo support site, but that hasn't helped, and I'm not sure what else to do.

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Hi all, Recently bought a Lenovo Thinkpad Yoga 14 (20DM) with Windows 10. But randomly the screen is flickering for a few seconds, then is back to normal. If a connect the HDMI to a TV, the laptop screen is flickering while the TV is working fine. I already updated Windows and all the drivers. Any idea or suggestion? Thanks and regards,Jose

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Hello, I bought a thinkpad Carbon X1 (5th gen) 2 months ago.  The screen of the laptop flickers as shown in the attached video. This happens only at some places, for example its fine at my home but it flickers if I use it in my office. Did any body have this type of problem? 

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I recently purchased a ThinkPad X270 with the 1920x1080 IPS non-touch display.  After only a very short time using it, I noticed that the display starting jumping and flickering very badly at random times.  The BIOS and all of the drivers were updated to what the Lenovo Companion tool recommended.  I captured some video of the behavior here: https://1drv.ms/v/s!AjP8R5t89zq2oXvMKmnuV_6l0fic I was hoping that this was just a bad individual unit.  I contacted support and explained the problem, and they set me up with a replacement.  Well, the replacement arrived yesterday and it's doing the exact same thing.  Videos of the new one exhibiting the problem are here: https://1drv.ms/f/s!AjP8R5t89zq2oXzhuWwFO34fh-s7 I've started the refund process for the new one because at this point, I suspect it is either a driver problem, a design problem, or a supply chain problem with the LCD panel.  I'm not sure what model I will ultimately upgrade to from my beloved x230 but unfortunately, I'm sure it's not the x270.

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Hi,I recently bought a ThinkPad T570. However if I connect it to a second external screen with HDMI to HDMI I experienced a serious flickering.The screen goes black for 3-4 seconds and then ON for 15-20 seconds and so on. What I experienced is that if I start a game the problem is solved. I believe that is related to the fact that the Intel HD640 is beging deactived and the GeForce start to work. Magically, when I return to Windows the flickering restart. I also use the laptop in the office with the docking station but I did not experienced this issue, even if when I use Windows. I already tried to unistall and reinstall the latest driver, change the HDMI cable, tried the monitor with another laptop (the monitor is working perfectly) but nothing has changed.I am very disappointed because I can't use my second screen to work. Any solutions?Thanks in advance.

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Hello, Since two weeks my Lenovo Thinkpad screen flickers on the right side and on boot up or recover from stand by. This becomes pretty annoying and I have updated all the drivers and also upgrading to Windows 10 didn't work neither. The warranty was due June this year, so I don't know that if I have to repair it that it will cost money. But I think it's strange for a screen to be broken in one year and 3 months. If you perhaps know a solution for this or know how it will be handled by Lenovo if I send it away for repairs please tell me. Yours faithfully, Joost Kolkhuis Tanke

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A:Lenovo Thinkpad S540 screen flickering

Hi joostkolkhuis,
Welcome to Lenovo Forums!
You can contact to the Lenovo customer support and they will be comfortable enough to explain you in detail how the issue can be handled. Please find the below given link to find out the contact support according to your location.
Click here to open a link where you can select the country and get the exact contact support number. I?m sure they will be a great help.
Please let us know, whether the above suggestion helped you.
Thank you, have a good day.

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i have
Operating System: Microsoft Windows 10 x64
Processor: Intel(R) Core(TM) i7-4720HQ CPU @ 2.60GHz
Total Memory: 16.0 GiB expandable to 32.0 GiB
model number: Asus intel / 7260HMW with Intel(R) HD Graphics 4600 and Nvidia geforce gtx 950m

every time i run Leap Motion apps, 3d coat 4.5, 3ds max, and blender, the software frame flickers, and the x button to close down the software looks like something is trying to close the program but cannot. i notice when i hover over the close x button it highlights red, so does the software when i load it up. i get no black screen or screen flickering only software. yes they are all legal software.

what i did, update drivers, uninstall intel drive, reinstall updated, changed resolutions, also same with nividia drivers, tried to uninstall p2 microsoft mouse driver and it reinstall itself back on. tried in safe mode but when i do a dis scan through command prompt it resets all my settings and re activates that cortona thing. when i go into safe mode it resets all my changes and resets cortona to be running on, when i want that thing completely off.

i even changed the flash count in registry, still flickering viciously. my windows 10 is acting allot like malware itself almost as if theirs a interface mask over win 10 actual os, in my opinion. i notice theres the usual setting to change everything but it you dig deep you'll see the original framework looking like gd o... Read more

A:ASUS Flickering taskbar and software win 10

I would take it back where you bought and have them give you a new one.

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HiThe notifications area of the taskbar has just started flickering (sort of). It seems that the icons are displayed with a bit of space between them and then it flickers and they are displayed more bunched up, and it cycles through this every second or so. It's very distracting but doesn't otherwise seem to be a problem. Nothing else on the screen nor on the taskbar flickers, just the icons like volume, keyboard, language, power, network connection...I have a Spectre x360 running Windows 10Help please. 

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I have got a problem on my Acer Aspire One AO751h. I don't exactly know how to describe it but it's like small rectangles flicker on my taskbar, also when I hover my mouse through items in my Start Menu, flickering kind of things appear on the borders of each item I mouse-over. But, when I mouse-over them in the taskbar, they disappear and reappear again. I tried to get a screenshot but the screenshot is normal! I just upgraded my OS to Windows 7 Home Basic four days ago. I think the problem started after I installed the Intel Graphics Media Accelerator 500, which is the latest version of the driver. The funny thing is, at times it flickers to the way I
scroll!!! It doesn't happen all the time, but most of the time! Sometimes it happens on the title bar of Windows explorer. I don't want to uninstall the driver 'cause without it my resolution goes down to 1024x768, which sucks! What do I do!?!

System Configuration:*

Brand & Model: Acer Aspire One AO751

CPU Type: Unknown, 1333 MHz (8 x 167)
Motherboard Name: Acer AO751h
Motherboard Chipset: Unknown
BIOS Type: Phoenix (05/12/09)
Manufacturer: Acer
Model: JV11-ML

Video Adapter Controller (0MB): Intel(R) GMA 500 Graphics

Monitor: ... Read more

A:[SOLVED] Flickering Rectangles (mostly taskbar)

What site did you get the driver from? There's good and bad. With the old driver, what happened when you tried to increase (larger #s) the rez? Did you specify the driver or let the site automatically determine it? By answering the questions (post answers if necessary) you'll probably self solve the problem.

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Hi... This time the problem isn't with my computer, but one of my housemate's. It's a Chinese computer (I think) and when she starts the computer up, it logs in as usual, but the taskbar and icons flash/flicker on and off and don't allow her to open the Start menu or click any of the icons. It stops after a while, but this time seems to vary.

Anyhoo, here's her HJT log...

Log was analyzed using KRC HijackThis Analyzer - Updated on 9/28/05
Get updates at http://www.greyknight17.com/download.htm#programs

***Security Programs Detected***

C:\Program Files\Norton Internet Security\NISUM.EXE
C:\Program Files\Norton Internet Security\NISSERV.EXE
C:\Program Files\Norton Internet Security\SymProxySvc.exe
O4 - HKLM\..\Run: [iamapp] C:\Program Files\Norton Internet Security\IAMAPP.EXE
O23 - Service: Norton Internet Security Service (NISSERV) - Symantec Corporation - C:\Program Files\Norton Internet Security\NISSERV.EXE
O23 - Service: Norton Internet Security Accounts Manager (NISUM) - Symantec Corporation - C:\Program Files\Norton Internet Security\NISUM.EXE
O23 - Service: Norton Internet Security Proxy Service (SymProxySvc) - Symantec Corporation - C:\Program Files\Norton Internet Security\SymProxySvc.exe


Logfile of HijackThis v1.99.1
Scan saved at 20:05:18, on 27/10/2005
Platform: Windows XP SP1 ... Read more

A:Flickering taskbar/desktop icons at startup...

Please print out or copy this page to Notepad. Make sure to work through the fixes in the exact order it is mentioned below. If there's anything that you don't understand, ask your question(s) before proceeding with the fixes. You should 'not' have any open browsers when you are following the procedures below.

Go to My Computer->Tools->Folder Options->View tab:
* Under the Hidden files and folders heading, select Show hidden files and folders.
* Uncheck the Hide protected operating system files (recommended) option.
* Click Yes to confirm and then click OK.

For the options that you checked/enabled earlier, you may uncheck them after your log is clean. If we ask you to fix a program that you use or want to keep, please post back saying that (we don't know every program that exists, so we may tell you to delete a program that we think is bad to keep).

Please print out or copy this page to Notepad. Make sure to work through the fixes in the exact order it is mentioned below. If there's anything that you don't understand, ask your question(s) before proceeding with the fixes. You should 'not' have any open browsers when you are following the procedures below.

Please download Ewido Security Suite at http://www.ewido.net/en/download/.

1. Install Ewido Security Suite.
2. When installing, under 'Additional Options' uncheck:
* Install background guard
* Install scan via context menu
3. Launch Ewido, there should be an icon on your desktop, double ... Read more

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Hi, I have the following issue since a couple of days (not sure it came with a recent windows/drivers upgrade): When I set the screen brightness to low, or the screen dims itself in a dark environment, it starts to flicker - there are flashes of white/blue as long as the brightness is low. Increasing the brightness gets rid of the problem. I tried disabling the panel self reflesh (PSR) which seemed to help others, but no success there. Anybody got the same issue and a possible solution? My specs: Windows 10 1709, Intel Graphics Drivers Version Video of the flickering: 

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Hi Guys,We have 200 laptops of L560 dos and we are trying to load win 10 prof ,32 bit on them because our Erp unfortunately doesn't support 64bit. In the lenovo website I'm not able to get the win10 prof 32bit wifi drivers for this model. Can someone help me pls. Model number is 20F2-S14200 and serial number is MP-137161 of one of them and all are the same type. Help needed. 

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Been searching on here on how to fix this issue, and I think I figured out how to fix it. At least, it is now working again for me.

1. Open regedit.exe
2. Navigate to HKEY_CURRENT_USER\Control Panel\Desktop
3. Locate ForegroundFlashCount
4. Change the value to 0
5. Close regedit

After I did this, my taskbar thumbnails quit flickering. Took it about 10 seconds for Windows to notice the registry change, and all has been well.

Nevermind, it only seemed to fix it for about 10 minutes, and then it reverted back.

A:Taskbar Hover flickering [Possibly solved for good]

Is there any relief for this pain??

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A few weeks ago I did something rather stupid and downloaded a file that contained a bunch of malware. I was able to get rid of it, I thought---at least a bunch of malware detectors weren't turning anything up. But I realize I'm still having problems. There's one that's only a minor annoyance---sometimes windows won't minimize the way they're supposed to (like, I'll be playing something in Media Player Classic in windowed mode, but when I click away on my browser, the MPC window does't minimize.
But now I am trying to play a game and finding a real annoyance. The screen, I don't know how to say it, "flickers" off for just a second without the game being interupted every time I click, and furthermore the taskbar icon seems to disappear only to be instantly replaced with another sliding icon. I tried a clean boot, but that didn't seem to work.

A:Taskbar Icon Constantly Reloading/Window Flickering with Application

If you did a Clean Boot and this didn't resolve this issue this means that the problem isn't related to a Service.  
You need to make sure that this computer is not still infected.  I will request that this topic be moved to the Am I Infected forum where the proper tools can be used to make sure it is cleaned.

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