Dust Removal missing in Lenovo G400

Hey, I have the G400 with windows 8 first(At the power management it has A dust removal). But, after a few day, My laptop is bluescreen. Every I restart , it is always bluescreen, so I decide go to the computer service. It is installed with windows 7 32 bit, and I upgraded to windows 7 64 bit(upgraded bios too). After several months, suddenly, the dust removal option is not avaible . Why This is happening? Are this is caused by upgrading BIOS? or other?
(Sorry for my bad languange)
Solved!
Go to Solution.

Hi FadhFirasi,
Thank you for the reply, updating BIOS will not affect the other options but instead it will resolve the issue if present. But, I would suggest you to reset the BIOS to its defaults once and then re-install LEM and let me know if the issue persists. Below are the steps to reset the BIOS to its defaults:
     To access BIOS menu turn OFF the Laptop and press the NOVO button located beside power button.
     Then to reset the BIOS to its defaults click on “F9” Key and select YES.
     Now click on “F10” Key to save the changes that are done in BIOS, the computer will automatically restart.
Do post us back if the issue persists.
Best Regards
Shiva Kumar
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Similar Messages

Lenovo Energy Management - Where is my Dust Removal button?

Hello. After installation my Windows 8.1 which i downloaded from Microsoft DreamSpark i installed all drivers from a CD which came with my laptop in a box.
I installed Lenovo Energy Management and I had button to remove dust. After updating my system via WindowsUpdate this button dissapeared. It's gone.
My laptop is Lenovo G500s (without touchable screen).
Anyone had same problem like me?
I want to emphasize that after fresh installation of Win 8.1 without any uptates (Windows 8.1 Pro - Build 9600) i had that "remove dust" button.
Sorry for my bad english spelling but I'm from europe. Hope you forgive me.

hi lyczewskiand,
Welcome to Lenovo Community Forums!
If this is the Dust removal that you are saying.
If your system is Windows 8.1
Open Control Panel / Uninstall a program and uninstall the Lenovo Energy Management that is currently installed.
Now try and install this version
Lenovo Power Management
Check if this can be found on this version
If not can you post a screenshot of what showing up on your end.
Thanks,
Regards
Solid Cruver

LENOVO G400 TURN OFF AUTOMATICALLY AND NOT LOAD BIOS SETUP

i have a lenovo g400, once i turn on it only the lenovo name appears in the screen and then it turn off automatically and then turn on and turn off again and so on... also I was having problem that my Lenovo G400 laptop did not display Press F2 to Enter Setup during the boot process, and because of this, no amount of hammering the F2 button would allow access to the BIOS. I attempted all of the standard fixes, pulled the battery, held power down for 30 seconds, removed the HDD -- nothing would cause this to appear. i dont know whats the problem of my laptop..please help me to fix it..

hi PRAY2431,
Welcome to the Lenovo Forums.
Can you try to access the BIOS by pressing the OneKey Recovery button.
- Link to picture
If you manage toget in, try prssing F9 to reload factory defaults then press F10 to save and exit (this should reset the hardware configuration of the machine).
If you still can't get into the BIOS and the machine still turns off after POST (lenovo screen) then there's likely a hardware component that's failing. If you have a spare PC, try to create a Lenovo Bootable USB Diagnostics and boot from it by pressing F12.
Alternatively, you can contact Lenovo (for service) or contact one of the Lenovo Authorized Service centers below
Service Provider List (Philippines)
Regards
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If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
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Lenovo G400 additional RAM installation

I have a LENOVO G400 laptop and added additional 2GB RAM from my previous ACER laptop. Aftern placing the RAM and turning on the power, my laptop screen display is blank. I dont see anything. But when i remove the RAM that I added, my laptop works fine. What seems to be the problem? Why wont it display anything when I add the 2GB RAM? Can anyone help me?

Hi gerardReeve,
welcome to the forums,
Maybe this is an incompatible RAM ? are you sure this 2gb ram stick is a DDR3 ?
Lets make 2015 the year of the #DO
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Dust Removal option is not existing !!!

hii have lenovo y 50 and energy manager 1.5.0.16and i have win 8,1 there is no fan dust removal option!please help me whats a problem?thanks alot

Well, I can tell you why there is no such option anymore or to be precise why they removed this option. I am a self taught computer technician and in my years of experience I have seen countless cases where the poor ventilation system and design (very small in size and very few in number air inlet grills), were the main reasons that caused a critical hardware failure. In most cases it's the graphics card (GPU) that will suffer the damage. And as we all know, laptops and notebooks in most cases have onboard - integrated graphics cards/chips, soldered on the motherboard. So, when you go to a repair shop they will tell you that you either have to replace the mainboard (with a cost almost as much as to buy a new laptop), or to buy a new laptop. What would you choose? They will not bother to repair it because it's a difficult repair that requires skills and equipment that most of them don't have. Interestingly, it always happens shortly after the warranty has expired. I'm pretty sure it's not a coincidence and I'm telling this because I have seen laptops where all the other components were soldered with lead free solder while the gpu was soldered with common, lead based solder that has a lower melting point. I can't believe that they are capable of producing such marvelous technological things as the today's processors (CPUs) with one hundred billion transistors in a space no larger than a fingernail or ultra-small SMT (Surface Mount Technology) chip capacitors and tactile switches while on the other hand, they are not able to make a fan spin faster or to find an effective way to attach the GPU chip to the motherboard. Come on guys... Please note that the Lenovo laptop that I'm currently working on has a four-wire fan which means that the fan speed can be controlled with an appropriate driver or BIOS update. Until Lenovo and other big companies change their way of thinking and their policy, my advice to my clients would be...stay away from these products and brands.

G710 fan dust removal, noisy fan

Hi,
I have problems with my G710. I have Windows 7 Home Premium 64. I downloaded all drivers from Lenovo site, and i install Lenovo Energy Management from this topic because from lenovo support only Windows 8 drivers.
Energy Management have is nothing i find options "Dust Removal" and did not find. My fan(noisy fan) stays on constantly (temp idle 38/40/42) I bought it 2 months ago. Its problem, because my previous laptop was quietly.

Hi Px89,
Welcome to Lenovo Community!
I’m sorry to hear that the compatible LEM (Lenovo Energy Management) is not available for G710 Laptop. Hence, I would strongly suggest you to contact our Technical Support for further Assistance to get the details of the nearest Authorized Service Center to get the issue analyzed.
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.
Do post us back for further queries.
Best Regards
Shiva Kumar
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Can i use two 2gb ddr3 on my lenovo g400 ??

and can i use ddr3 and ddr2 on my lenovo g400??

hi karin99,
Welcome to Lenovo Community Forums!
According to Lenovo Tech Specs.
the Ideapad G400 can support these configurations.
highlighted is your preferred upgrade right, and it should be compatible.
Memory
Up to 16GB DDR3- 1600Mhz(Support Dual Channel)[2 SODIMM slots
one 2GB
two 2GB
one 4GB
one 2GB plus one 4GB
two 4GB
one 8GB
two 8GB
You can refer here for your Replacement / upgrade guide.
Hope this helps
Cheers!
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Unable to boot new Linux installation on Lenovo G400

I am having problems installing Linux Mint 16 to a Lenovo G400 that I recently purchased here in China. I have an older Lenovo that I have had for several years, and have been quite pleased with it so I thought I would get another. I gave up on Windows several years ago, and have been running exclusively Linux, mostly Ubuntu or Mint, ever since. I have heard and read things about how Microsoft seems to be fighting back to restrict the spread of Linux, so I took a Live USB stick of Linux Mint 16 so I could see if start it with any machine that I was interested in.
The machine I tested my USB stick on worked fine, so I sent them to the warehouse to get a fresh one in a box. My problems started when they came back from the warehouse with another model, newer, with a faster processor, and pre-installed Linux. I entered the data required to complete the setup, and played around with the Linpus OS a bit before deciding to take that machine instead of the other. My thinking was that I could replace Linpus with Mint later. I did not try booting from my USB stick before agreeing to take this machine.
Later, after trying out Linpus and deciding I had a strong preference for a Debian derivative, I had trouble setting the boot order, but resolved that by finding a copy of the user guide in English. When I tried to boot from the USB, the first thing I noticed was that anything I tried to run from a Live USB stick would not function in standard or default mode. The menu would come up, I would select the default or standard mode, and the system would start to load but a few seconds later the screen would go black. The USB continued to flash for a while but the screen stays black.
At first I noticed this problem with Gparted, which would not run in default or failsafe mode, but does run in safe graphic mode. Similarly, with Mint 16, the live USB will only start in compatibility mode. Later there were several other live systems that I have tried with similar results. Almost all of the live systems I tried ran in their equivalent of the compatibility mode. The one exception to that was Boot-Repair-Disk, which I could not get to work at all in the 64-Bit edition. The 32-Bit edition did work, in their equivalent of compatibility mode, but it told me I needed the 64-Bit Edition because EFI was detected.
When I succeeded in getting the Gparted and Mint 16 live USBs to function in non-default modes I decided to go ahead with my repartitioning and installation plans. This may have been my second mistake. Maybe I should have taken this machine back, but I didn't.
With my Live USB of Gparted running in Safe Graphic mode, I found 6 partitions on the HDD: sda1 is FAT 32 and labeled boot; sda2 is an unknown file system and labeled bios_grub. Both of these partitions are 500 Mb, and I left them alone. I also left sda3 untouched, which is labeled linux-swap. Sda4, sda5 and sda6 I re-sized and re-formated to use as two / partitions and a shared /home.
I then installed Mint 16 in sda4 with sda6 as home. I left the GRUB intallation in the default setting, sda. The installation seemed to go alright, but when I try to boot I just see Lenovo and then the screen goes black. It does seem like the system may be loading and I just can't see it, but that is only a guess. I don't see anything that looks like the GRUB screen and so there is no way to use compatibility mode. Using Gparted from a Live USB suggests that the installation worked and there are files there.
I have searched on the web and have been unable to find anything that helps. Obviously, I am not an expert, but I have installed Linux quite a few times and never experienced anything like this. But then I am used to starting from a clean disk.
I am very tempted to delete the two partitions that I left in place and try an installation like I am used to doing. But I do not know anything about EFI, and my hard drive is listed in BIOS setup as an EFI HDD Device, so I don't know if my machine would still work if I delete these partitions.
So I am very much in need of some advice on this and I wonder if anyone can please offer me some guidance. And perhaps I should add a few more details, such as: USB Legacy is enabled; Boot Mode is set at Legacy Support ; Boot Priority is Legacy First ; USB Boot is Enabled; and my BIOS Version is 78CN25WW(V2.03).
I am sorry to go on so long, but I have tried to be thorough, thank you.

Hi, the W520 has ACPI and powermanegement issues on kernels < 2.6.39 without specific patches. Two questions:
What version of (K)Ubuntu are you trying to run?
What is the setting of your graphics system in the BIOS? Most of the time, setting it to Integrated just works fine, the open source Intel driver is quite good. When setting it to Discrete, you can either use the open source Nouveau drivers for the Nvidia card or the Nvidia proprietary binary drivers, all with varying success. At the moment I would not recommend setting it to Optimus, since support with Bumblebee is work in progress and quite tricky to handle. I am not sure what the Live CD is trying to do, but test it with graphics set to integrated first. Because of all the manual tweaking necessary two month ago I switched from Ubuntu to Gentoo, rolled a new kernel and never looked back. See my thread about HowTo Running Linux on the W520:
http://forums.lenovo.com/t5/Linux-Discussion/HowTo-Running-Linux-on-W520/td-p/453327
W520|4282-W16|2720QM|16GB|Q1000M|FHD|500GB|UMTS|BIOS 1.26|Gentoo Linux/2.6.39-r3|Win7-64-Prof|

Looking to have my 2 y o macbook pro cleaned (dust removal and such). I live in Loughborough(Leicester), where should I take it?

I tend to ramble when it comes to asking questions so I'll just sum it up briefly before I add any further details:
I am looking to have my macbook pro (I believe late 2011 version-out of warranty) cleaned inside out: dust removed, keyboard cleaned all that stuff-not by me. I would like to know where should I take it for this job in either of these locations: Loughborough, London or Maidenhead, and also (if anybody knows from their experience) how much would this cost? Lastly, in Apple Stores do you get a warranty for the service they provide?
Now for my blather...I mean extended version:
I had my macbook pro for 2 years now and I must admit I didn't take good care of it, as I maybe should have. By this I mean I never dropped it or spilled anything on it, but I'm pretty sure it got clogged up inside with a lot of dust by now and maybe some crumbs underneath my keyboard as well, so I'm looking to have it cleaned inside out- by a professional.
I never took it to a service before, so I really have no idea where's the best place to take it. I am not familiar with terms such as "genius bars" and after googling apple authorised services in the UK, I didn't end up with anything "certain"
Location-wise, I am studying in Loughborough (Leicestershire), but my dad works in Maidenhead and I'll be visiting him next week. I will also be for a day in London (although it'll be a Sunday- December 21st), so any service around these locations will work for me.
I would also like to point out one thing: I know some might suggest to clean it myself, but when it comes to anything IT-ish (especially a £900 macbook pro, I would rather leave it in the hands of a professional); even if let's say I cleaned the keyboard, I would still want to have the dust removed from the inside- and I am certainly not doing that. I'm a 19 year old university student with 0 experience and my time doesn't allow me to become an "apple genius" overnight.
Thank you for taking the time to go through my question!

Your MBP should be able to support 8GB (unless yours is an early 08 then you're stuck at 6GB). I upgraded my old late 08 MB to 8GB.
SSD are a plus if you like speed. Having 8GB and an SSD will improve the performance of your MBP.
I like OCZ SSD products but have heard some issues with older MBP.
Sandisk, Crucial and Kingston SSD tends to be more reliable and less compaibility issues with older MBP.
Hope that helps..

ThinkPad W520: Parts Wrongly Listed in and/or Missing from Lenovo Order Status Page

I ordered a configured ThinkPad W520 off Lenovo.com for USD1500 yesterday. Later when I went back to check my order status, to my surprise some parts were either shown up incorrectly or simply missing.
For example my ThinkPad W520 includes (but not limited to) these parts:
Parts missing from Lenovo Order Status page:
UltraNav with TrackPoint & touchpad
Express Card Slot & 4 in 1 Card Reader
Question: Where are they? Why missing?
Parts shown incorrectly on Lenovo Order Status page:
I've ordered: 15.6" FHD (1920 x 1080) LED Backlit Anti-Glare Display, Mobile Broadband Ready
Lenovo Order Status page shows: SBB 15.6FHD (1900 X 1080) LED
Question: Why 1900 instead of 1920? What gives?
To be on the safe, I tried hard to match each of the parts consisting my ThinkPad W520. So far the above are my concerns. I know many of you are long-time Lenovo patrons. I'd appreciate your patience look through the below complete lists and advise if Lenovo indeed have received my order correctly.
Thank you very much!
[B][U]The ThinkPad W520 I've order: [/U][/B]
Part Number: 4270CTO
ThinkPad W520 - 1 Yr Depot Topseller Warranty
Processor: Intel Core i7-2720QM Processor (2.20GHz, 6MB L3)
Operating system: ThinkPad PC DOS License
Operating system language: PC DOS 2000 License
Display type: 15.6" FHD ([B][COLOR="SeaGreen"]1920 x 1080[/COLOR][/B]) LED Backlit Anti-Glare Display, Mobile Broadband Ready
System graphics: NVIDIA Quadro 2000M Graphics with 2GB DDR3 Memory
Total memory: 4 GB DDR3 - 1333MHz (1 DIMM)
Keyboard: Keyboard US English
Pointing device: [B][COLOR="SeaGreen"]UltraNav with TrackPoint & touchpad[/COLOR][/B]
Camera: 720p Camera
Storage subsystem: Internal RAID - Not Enabled
Hard drive: 320 GB Hard Disk Drive, 7200rpm
Optical device: DVD Recordable
System expansion slots: [B][COLOR="SeaGreen"]Express Card Slot & 4 in 1 Card Reader[/COLOR][/B]
Battery: 9 cell Li-Ion Battery - 55++
Power cord: Country Pack North America with Line cord & 170W AC adapter
Bluetooth: Bluetooth 3.0
Integrated WiFi wireless LAN adapters: Intel Centrino Ultimate-N 6300 (3x3 AGN)
Integrated mobile broadband: Integrated Mobile Broadband - Upgradable
Language pack: Language Pack US English
[B][U]ThinkPad W520 shown under Lenovo Order Status:[/U][/B]
4270CT       CONFIGURED SYSTEM
0A68541       SBB ICI7-2720QM
27R1799       VBB PC DOS LICENSE
39T7676       SBB DOS 2000 FLYER - NO
0A68535       SBB 15.6FHD ([B][COLOR="Red"]1900 X 1080[/COLOR][/B]) LED
0A68894       SBB NVQ2000M GR
45M4572       VBB 4GBPC3-10600DDR3 1333SODMM
45M4839       SBB KEYBOARDUS ENGLISH
0A68527       VBB NO FINGERPRINT READER
0A68558       SBB 720P HD CAM INT MICR
0A69620       SBB I RAID-NOT EN
0A68552       SBB 320GB HDD7200RPM
0A71939       SBB DVDRECORDABLE
0A68529       VBB ECS+4IN1CR
45M4816       SBB 9CELLLI-ION BATTERY
0A68904       SBB CPNAMLC+ 170W AC AD
0A68261       SBB BLUETOOTH 3.0
45M4804       SBB IN.CENT.ULTIMATE-N 6300
44C7950       SBB INT WRLSSWDAREANTWRK UPGR
0A68564       SBB LANG PCK US E

you are right, this is very silly! ")
W520 4270CTO i7-2820QM Quadro2000M 1920x1080 Display 16GB RAM 2x240GB Intel 510 SSDs (RAID 0) - BIOS 1.42 - PCMark7:4,568
Samsung Series 9 15-inch NP900X4C-A03US - PCMark7: 4674

Lenovo G400s Wireless Connection Limited Access on Windows 7 Ultimate - 32 bit

Just bought Lenovo G400s, install windows 7 ultimate - 32 bit on it.
It turns out the wireless network driver need to install manually, the disc driver that came with laptop was for windows 8.1. So I went to lenovo website, put on the series and download the wirelss network driver which is around 250 MB.
I installed the driver and connect to the wireless network. My office wireless was on security and use static ip. I changed the ipv4 ip static already. It connected for a while, 1-2 second then lost connection. I checked with ping to google, got 2 records of live connection which is very short. After that it try to reconnecting itself again and again with status said "Limited Access"
I search in google, read some forums about problem in different series, so I use another computer go to Intel website to download latest driver. Got it installed, but it's still the same.
I try download broadcom driver, but it's really different and doesn't work at all.
Now I don't know what to do.
Windows 7 Ultimate - 32 bit
Inter(R) Centrino(R) Wireless-N 135
Driver Provider: Intel
Driver Date: 1/26/2014
Driver Version: 15.11.0.7
Digital Signer: Microsoft Windows Hardware Compability Publisher
What makes it weird, although from intel website said the driver date is in 3/21/2014, and the version is 16.11.0, but this information I get from device driver was different.
Here's the intel's website if you're wondering:
_https://downloadcenter.intel.com/SearchResult.aspx?lang=eng&ProductFamily=Wireless+Networking&ProductLine=Intel%C2%AE+Wi-Fi+Products&ProductProduct=Intel%C2%AE+Centrino%C2%AE+Wireless-N+135#&OSVersion=Windows%207%20(32-bit)*&DownloadType=Software%20Applications
Can anyone help me?
Solved!
Go to Solution.

Today I want to install windows 8.1 on it, because the laptop came with windows 8.1 driver disc.
However, I try the wireless connection once again , one final try before I clean install the OS.
It turns out the internet connection is connected. Ping is quite stable, got a small drop. Nonetheless, IT'S CONNECTED!!!
I don't know what happened, I tried thousand ways yesterday and gave up. Today I don't set anything just try connecting with static IP set the ipv4 just like I did yesterday, and it connects without hassle!! is there a pc fairy or what?
The possible way I can think of is the router's internet connection's got restarted since It's a new day at office.
Despite how it solved still mystery to me, I think I mark this thread as Solved.

PE 5.0 Batch Processing for dust removal add on

I have PE Elements 5 and have scanned about 6000 slides (whew!) into my system. I have been using a dust removal add in provided by the scanner manufacturer (Konica Minolta DiMage Scan Dual IV) which has a slightly better capability than the caned one provided by Adobe. I would like to be able to batch process the slides for dust removal. Is this possible?

1. Is above possible at all?
Simple answer, No.
2. Does anyone know how to perform either of the 'Remove an Add-On' and/or 'Downgrade an Add-On'?
As far as I know is not possible... you'll have to restore from backup.
Regards
Juan

Lenovo G400 Bluetooth Driver infected with Virus

i am using a lenovo G400 notebook since last 4 months and wasn't able to install the bluetooth driver.
recently i formatted my laptop and downloaded the driver for fresh installation.
The driver got installed but the bluetooth wasn't working and it was reporting "device not found"
then i updated my Antivirus from net, NOD32 antivirus and it reported that the bluetooth driver contains a trojan.
i checked the downloaded installation file and it too had trojan.
here is the repost of threat generated
"Time    Module    Object    Name    Threat    Action    User    Information
2/9/2008 21:32:28 PM    AMON    file    C:\WINDOWS\system32\BtWizard.dll    probably a variant of Win32/Genetik trojan    quarantined - deleted    NT AUTHORITY\SYSTEM    Event occurred on a file modified by the application: C:\WINDOWS\system32\msiexec.exe. The file was moved to quarantine. You may close this window.
Time    Module    Object    Name    Threat    Action    User    Information
2/9/2008 21:27:52 PM    AMON    file    C:\Program Files\Lenovo\Bluetooth Software\BTTray.exe    probably a variant of Win32/Genetik trojan    quarantined - deleted    NT AUTHORITY\SYSTEM    Event occurred on a file modified by the application: C:\WINDOWS\system32\msiexec.exe. The file was moved to quarantine. You may close this window.
please help me with this problem
and if anyone is having similar problem please report.
Regards
Tarun
[email protected]

i find other AV to be ineffective..
and NOD32 is a famous av..
also few more logs
Time    Module    Object    Name    Threat    Action    User    Information
2/3/2008 14:33:10 PM    Kernel    file    C:\Program Files\Intel\Wireless\Bin\EvtEng.exe    probably a variant of Win32/Genetik trojan
2/3/2008 14:33:01 PM    Kernel    file    C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe    probably a variant of Win32/Genetik trojan
2/3/2008 14:32:27 PM    Kernel    file    c:\program files\intel\wireless\bin\s24evmon.exe    probably a variant of Win32/Genetik trojan
2/3/2008 14:32:16 PM    Kernel    file    c:\program files\intel\wireless\bin\evteng.exe    probably a variant of Win32/Genetik trojan
its of wireless drivers..

How to remove missing features and webparts?

I've moved and upgraded a 2007 teampoint site to my Enterprise SharePoint 2010 site. The site is up and running but I've got this nagging error about a missing webpart and a missing feature.
The features that were not compatable were not used so what SharePoint 2010 would allow me to remove has been removed. Now I have this error message that still needs to be dealt with.
[MissingFeature] Database [WSS_Content_2007] has reference(s) to a missing feature: Id = [75a0fea7-cd50-401e-af0e-782f3662a299]. The feature with Id 75a0fea7-cd50-401e-af0e-782f3662a299 is referenced in the database [WSS_Content_2007], but is not installed
on the current farm. The missing feature may cause upgrade to fail. Please install any solution which contains the feature and restart upgrade if necessary.
[MissingWebPart] WebPart class [768ec641-8c6a-1cc6-6465-185094919a93] is referenced [1] times in the database [WSS_Content_2007], but is not installed on the current farm. Please install any feature/solution which contains this web part. One or more web parts
are referenced in the database [WSS_Content_2007], but are not installed on the current farm. Please install any feature or solution which contains these web parts.
So, I'd like to remove the references from the database for the feature and webpart mentioned in the error. I can't seem to spot how to do that with stsadm, it reports that the feature is not installed which leads me to conclude that I just need to remove
the reference from the db. Is there a SharePoint way to do this or am I destined to remove it manually from the db myself?
Kevin W. Gagel

Kindly use the below script for removing missing Feature:
[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SharePoint") > 0
# Loading Microsoft.SharePoint.PowerShell
$snapin = Get-PSSnapin | Where-Object {$_.Name -eq 'Microsoft.SharePoint.Powershell'}
if ($snapin -eq $null) {
Write-Host "Loading SharePoint Powershell Snapin"
Add-PSSnapin "Microsoft.SharePoint.Powershell"}
function Remove-SPFeatureFromContentDB($ContentDb, $FeatureId, [switch]$ReportOnly)
$db = Get-SPDatabase | where { $_.Name -eq $ContentDb }
[bool]$report = $false
if ($ReportOnly) { $report = $true }
$db.Sites | ForEach-Object {
  Remove-SPFeature -obj $_ -objName "site collection" -featId $FeatureId -report $report
  $_ | Get-SPWeb -Limit all | ForEach-Object {
   Remove-SPFeature -obj $_ -objName "site" -featId $FeatureId -report $report
function Remove-SPFeature($obj, $objName, $featId, [bool]$report)
$feature = $obj.Features[$featId]
if ($feature -ne $null) {
  if ($report) {
   write-host "Feature found in" $objName ":" $obj.Url -foregroundcolor Red
  else
   try {
    $obj.Features.Remove($feature.DefinitionId, $true)
    write-host "Feature successfully removed from" $objName ":" $obj.Url -foregroundcolor Red
   catch {
    write-host "There has been an error trying to remove the feature:" $_
else {
  #write-host "Feature ID specified does not exist in" $objName ":" $obj.Url
$databases = Get-SPContentDatabase
$featureID = "c4b5bf25-2a8a-4ba3-a6a8-87d7fe31ef02"
Foreach ($db in $databases)
#Use this line to remove the reference to the feature
Remove-SPFeatureFromContentDB -ContentDB $db.Name -FeatureId $featureID
#Use this line to list all the sites that it has a reference to the feature
Remove-SPFeatureFromContentDB -ContentDB $db.Name -FeatureId $featureID –ReportOnly

Lenovo G400s Touch Windows 10 Drivers

So im currently running Windows 8.1 on my Lenovo G400s Touch laptop.. im planning to clean install Windows 10 rather than upgrading so i can format my laptop as well.. but my problem is the drivers provided by Lenovo Driver Support is only in Windows 8.1 ... maybe i can request drivers for windows 10 so i can continue installing windows 10 in my laptop..Calling some Lenovo authorities here..

yeah mee too ... suffering from it .... thinking of returning my lenovo g500 and go for dell lappys :]

Dust Removal missing in Lenovo G400

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