Dell Precision M3800 :: Disable Ambient Light Sensor On M3800
May 1, 2014
The ambient light sensor on my M3800 seems to Think the room is darker than what it actually is, so the display is Always too dark, even if I turn the display brightness to maximum. I cannot find a way to turn off the sensor, not even in the bios.
I'm on windows 8.1 .......
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Sep 25, 2014
I'm on windows 8.1.
How do I disable clicking on the touch pad? So that when I just tap it without depressing the button it doesn't click.
I often end up accidentally clicking things while moving my finger around on the pad to go to another part of the screen.
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Mar 28, 2014
Shouldn't I be able to simply press and release the power button to power on the laptop for a cold boot?
I'm not sure if I'm powering on my M3800 properly or if it's a problem.
All scenarios are after the laptop had been completely shut down and powered cable attached.
(1) Just pressing and releasing the power key powers it up sometimes
(2) When 1 doesn't work, sometimes pressing and holding the power key (for ? secs) will power it up
(3) When neither 1 nor 2 will work, sometimes double-pressing the power key will power it up
The times it doesn't power up, the power button lights, keyboard lights and goes off, then power light goes off.
It eventually always powers up (so far) but would like to make sure it's not a hardware problem.
W7 64, OS on 256SSD
New
Unmodified
Automatic Updates
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Dec 12, 2014
I have m3800 laptop about 4 months old. Was ok until today. I connected the charger when battery was at 10% but it shows no charging in windows and it seems battery drains down.
The led light on the charging cable is lit. So i guess the charger is ok..
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Apr 6, 2014
I'm trying to install an extra Samsung 840 evo mSata in my new m3800 but the BIOS does not recognize the disc. I tried 2 840 msata both with same result not recognized.
Changed several settings in BIOS:
- disabled Intel Smart Technology- SATA operations to AHCI- Secure boot disabled- load legacy option enabled
Does the Samsung mSata is supported in an m3800?
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Jan 12, 2015
I have a new M3800 Precision Workstation that is making a really annoying sound when it is plugged into power and when the SSD is being accessed, mostly when it is being accessed randomly such as search, VM running, or just random file access test from benchmarking software. The pitch of the scratchy sound varies with screen brightness.
I've made a video of it here [View:youtu.be/jbEkRDrPTdA:550:0]
[URL]
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Dec 11, 2014
Got an issue with new Dell Precision M3800 + HD 3100 Dock. My issue with with the mouse pointer. After using the laptop for 2-3 hours, I'm getting an issue in which the mouse pointer will jump over text boxes (does this in any browser, when trying to click in the formula field in excel, even when clicking in this dialog box to type). Basically what's happening is the mouse pointer thinks the text box is higher than it really is.
So, if I go up to the address bar from under, as I pass over the bar, the arrow changes to a text cursor, but jumps above the actual address bar...if I click, I can type in the bar. If I keep going, eventually the arrow pointer will come back, but it will jump back down to the actual top of the address bar. In the case of typing in this box for posting, in order to get the cursor here " ", I have to click where I have the star above (in the word "can").
It just seems like something is very out of sync, and I'm thinking it has to do with the graphics card or some resolution setting. I have an Acer V246HL set to 1920x1080 + a Viewsonic VA2746M set to 1920x1080 as well. Only fix I've found so far is to reboot. I've messed around with the resolution numerous times. This issue only appears when connecting multiple monitors (which is a necessity). I did not have this issue w/ my previous laptop, which leads me to think this is not a monitor issue either
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Nov 21, 2009
I'm about at my wit's end trying to get the ALS to work in Win7 on my Precision M4400. I have emailed
Dell and their response was useless, as usual. They said that because I didn't buy the machine
with Win 7, they couldn't help me. (Even though their website states the machine is fully compatible, and even though they're selling M4400s with Win 7 installed.
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Nov 25, 2009
Anyone know if Dell has this up their sleeves for future release? I see the ambient light sensor service in services.msc and I really want to use it!
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Feb 6, 2009
I have the business HP NC4200 laptop, which has a great ambient light sensor.
I generally disable it, because the screen gets too dim in nearly every situation, in my opinion.
But I noticed something strange. When the ambient light sensor is disabled, it is possible to adjust the screen's brightness at your own taste. This is logical.
But you cannot get the screen to 100% brightness. The only way to get 100% brightness is to actually ACTIVATE the ambient light sensor and get a very bright light source right into the ambient light sensor. Then the screen gets MUCH brighter.
Don't bother saying, I've used the Fn keys to control the LCD brightness. That's they way it works.
I use notebook hardware control, and with the nc4200 I can monitor the power consumption of the system in Watts. When the screen is maxed out without the ambient light sensor (which is approx. 50% of the LCD brightness, in reality) the system consumes around 10 watts of power.
When I max the screen with the trick mentioned above, the screen consumes +2 Watts! No need to mention battery life drops a lot.
But I do like that brightness! I'd like to keep it all the time. But it's impossible to apply the trick all the time..................
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Sep 2, 2009
It seemed to stop by itself after an apple update. Am on 10.6 with no other issues so far. Any way I can remove the update?
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Jan 9, 2010
I have a T500 (LENOVO 2081CTO ThinkPad T500) running W7 32 bit. Been working fine since September 10. Today when simply trying to logon the fingerprint sensor has stopped working. Laptop had not even been moved, simply resting on desk and then switched on from powered off.
A few times since have received message that "USB device is being installed" with finally "USB Device could not be installed. There is a problem with your device." Device Manager showed a problem with "USB Composite device"
Powered off/on gave same symptom.
Downloaded & installed latest fingerprint software 7wf162ww.exe. Installed OK. USB device appeared to then automatically pick up and reinstall correctly. BUT still unable to use fingerprint to logon or for with Thinkvantage Client Security.
Using Thinkvantage Lenovo Fingerprint Software gives error "Cannot communicate with sensor. Please confirm the sensor is ready."
I've also noticed the keyboard around the fingerprint sensor is very warm, almost hot. As if it is being constantly turned on?
Fingerprint sensor is AuthenTec Inc. AES2810
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Oct 24, 2011
I have a Latitude E6510 that will not start. When pressing the power button, the power light goes on for about 5 seconds and then turns off. I also notice the battery light flashes a few times when re-connecting the AC adapter.
Removed the battery, held in the power button 30 seconds, but still not working.
We have had this laptop about 6 months. About a month ago, it exhibited this problem. After talking to Dell Support, they recommended a system board replacement. The laptop was sent in and the board was replaced. When I got it back and tried to start it for the first time, it did the same thing. I then pressed the Latitude "ON" button, and the laptop started.
Now it is doing the same thing, and I find it hard to believe that another system board is bad. I am suspicious about this "ON" feature, that maybe the laptop is "stuck" or something trying to get into the "ON" mode. Or maybe it is just trying to get into "ON" mode.
I am not sure what the "ON" feature does, but I have noticed a few other posts on the internet of users having the exact same problem. Again--I find it hard to believe a second system board could be bad.
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Apr 6, 2013
I have had my xps 15z just nearly two years (out of warranty) an today it won't turn on. The battery light does not light up and neither does the light to indicate if it is charging, when I press the on button nothing at all happens. The green light on the plug transformer is on until you plug it into the laptop when it immediately deilluminates. I am trying to establish if this is an issue with the plug or the laptop hardware, I could not find a solution and I only have my phone to look on now my laptop has died.
Moreover I am very annoyed with the quality of this range topping machine, when it first came the hard drive had to be replaced, the dell rep who fixed it managed to break the battery indicator lights which I had to take it apart to fix. When you consider the wireless issues, the focus losing problems which made it impossible to type until I found which dell programme to uninstall to fix and the crackling speaker issue which I still not found a solution for, this is not good enough.
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Nov 16, 2014
My first month with this brand new notebook was problems it gave me a blue screen and shut down on me. I thought it was normal being that it was my very first notebook. My hp pavilion notebook is only 3 years old but it now it has a blinking caps light and a orange light on the wireless key. I have tried to hard reset it but nothing works. I was use to it shutting down on me and restarting again but this time it would not come back on. I call Hp tech and now I'm being told this computer is obsolete and can't be fixed.
Model: Dv6-3134nr
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Mar 11, 2009
I am trying to find out who the ODM ( original design manufacturer) is for these precision models, dell no longer sells them, perhaps there is another channel for buying one besides Dell???
If anyone has any information please let me know and also what model not just the ODM's name.
For example ALienware laptops are made by the ODM Clevo which also sells the same Chassis without the alienware bling and price under the name of Sager, Averatec also as I recall ....
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Dec 13, 2009
Does anyone know how to disable the infrared sensor on an XPS 1645?
I ask as I often use the laptop while also watching a media pc and the remote control operates both the laptop as well as the media pc and it's damned annoying.
All of the items referring to the infrared receiver in the device manager can't be disabled so other than sticking a piece of tape over the sensor does anyone have any ideas?
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Dec 30, 2008
what i wanted wass to fix/bypass the sensor without having to replace the damn board. i couldn't even find a single post staing where exactly the sensor is on the board.
my problem specifically was that beer got spilled on the keyboard. after a while the machine shorted and shut off. I have a Dell Inspiron 9300, with a 1.73 ghz Sonoma CPU. i left the laptop off for two days so some of the liquid would dry out. after some problems and a dozen reboots i got into the bios, then finally through to windows. everything was fine except that the CPU was working at a very low frequency. also the fans were continually at highest speed. the CPU was being reported between 101 mhz to 503 mhz, depending on the software. it was being recognized correctly but showing to operate at 202 mhz in the system properties panel. what was really striking is that the notebook harware software i had installed was reporting the CPU temperature as 85 C. I tried various software to manipulate the CPU frequency to no avail. The temp was a constant 85 C, although i could tell that it was not even close to this temperature since i my laptop was partly disassembled and i could feel the surface of the heatsink with my hand; it was cool.
I finally surmised that the problem was with the thermal sensor on the motherboard. it had probably shorted or got soaked and was reporting the highest temperature it could as a safety measure, thereby limiting the CPU to a very low frequency and not allowing it to throttle above 503 mhz.
My last option, save for replacing the motherboard, was to find the sensor chip, clean it, dry it and hope that it would work again.
But this is not what solved the problem. somewhere on the net i came accross a code, that when entered on an Inspiron 9100 (an older laptop, with a different chipset) would bring up the Thermal Management screen or something like that, which is certainly not accessible via the BIOS. I was playing around with the settings on a program called Hardware sensors monitor, again to no avail, when i finally decided to enter this code:
FN key + zxcvasdqwer. almost the second i pressed z, or maybe after x, the high speed fans shut off! after a short while they kicked back into operation but at a low speed, just like they were supposed to. the program hmonitor began reporting a more realistic CPU temp. i tried to play a high-def movie file and finally it played normal, without any lag or stuttering! as i played it, the fans kicked into higher mode, and the temp which had been steadily rising, began to drop. the program, and most other programs were still reporting the cpu at 202 mhz, windows system properties as well. but since it was playing a 720p video file normally, it had to be much higher than that. i did a reboot and voila!
all monitoring software are now reporting the CPU at 1.73 ghz. the system temperatures are perfectly normal, and at idle the CPU goes as low as 20 degrees C. The software Speedfan, however, is still giving an error regarding the sensor chip on the motherboard.
I seemed to have fixed the severe thermal sensor problem by a few keystrokes, without having to replace the motherboard or even the sensorchip. in fact, i didn't even have to find the sensor node and clean it.
I came accross more than a dozen people who had a very similar problem to mine, with the temperature being reported at 85-86 C, for no reason. At least those who have a Dell notebok might be able to solve this problem.
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Sep 30, 2007
Alright, so today I decided to try out I8k Fangui with Intel thermal analysis tool, and my was I shocked. My M1710 was registering temperatures of 97 degrees centigrade before I shut off the thermal analysis tool. I would've probably went way past 100. I got a non overclocked T7600G.
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Dec 30, 2008
my problem specifically was that beer got spilled on the keyboard. after a while the machine shorted and shut off. I have a Dell Inspiron 9300, with a 1.73 ghz Sonoma CPU. i left the laptop off for two days so some of the liquid would dry out. after some problems and a dozen reboots i got into the bios, then finally through to windows.
everything was fine except that the CPU was working at a very low frequency. also the fans were continually at highest speed. the CPU was being reported between 101 mhz to 503 mhz, depending on the software. it was being recognized correctly but showing to operate at 202 mhz in the system properties panel. what was really striking is that the notebook harware software i had installed was reporting the CPU temperature as 85 C. I tried various software to manipulate the CPU frequency to no avail. The temp was a constant 85 C, although i could tell that it was not even close to this temperature since i my laptop was partly disassembled and i could feel the surface of the heatsink with my hand; it was cool.
I finally surmised that the problem was with the thermal sensor on the motherboard. it had probably shorted or got soaked and was reporting the highest temperature it could as a safety measure, thereby limiting the CPU to a very low frequency and not allowing it to throttle above 503 mhz.
My last option, save for replacing the motherboard, was to find the sensor chip, clean it, dry it and hope that it would work again.
But this is not what solved the problem. somewhere on the net i came accross a code, that when entered on an Inspiron 9100 (an older laptop, with a different chipset) would bring up the Thermal Management screen or something like that, which is certainly not accessible via the BIOS. I was playing around with the settings on a program called Hardware sensors monitor, again to no avail, when i finally decided to enter this code:
FN key + zxcvasdqwer. almost the second i pressed z, or maybe after x, the high speed fans shut off! after a short while they kicked back into operation but at a low speed, just like they were supposed to. the program hmonitor began reporting a more realistic CPU temp. i tried to play a high-def movie file and finally it played normal, without any lag or stuttering! as i played it, the fans kicked into higher mode, and the temp which had been steadily rising, began to drop. the program, and most other programs were still reporting the cpu at 202 mhz, windows system properties as well. but since it was playing a 720p video file normally, it had to be much higher than that. i did a reboot and voila!
all monitoring software are now reporting the CPU at 1.73 ghz. the system temperatures are perfectly normal, and at idle the CPU goes as low as 20 degrees C. The software Speedfan, however, is still giving an error regarding the sensor chip on the motherboard.
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Mar 12, 2009
yesterday my e6400 fell from 5 feet! 1.5m! I almost caught it but it just fell. Fortunately it fell flat and there was en empty box of cleenex that fell with it and fortunately made the impact with the ground a little softer.
But STILL, I have a free fall sensor that did absolutely nothing. I picked the 6400 up and it just kept running as usual. Nothing happened to the machine, which to me is a great sign of durability, but AFAIK the HDD should have shut off, otherwise what's the point of having a free fall sensor?
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Feb 24, 2009
I just installed Winows 7 and after installing some missing drivers (410 + UWB, etc.)
I have only 1 missing, it's : Broadcom USH w/swipe sensor, and I can not find it at the Dell web site, they have only the Firmware file, but no driver file
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Sep 27, 2008
on my m4400 it seems the fingerprint software is only used to log on to windows.
my girlfriend has an acer with a fingerprint reader, she can use it to log on to websites etc...
does the dell software allow me to do this? or do i have to download some third party software?
what is the difference between a UPEK fingerprint reader and the non upek one? lol... dell has those two options
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Nov 4, 2014
I bought a Dell Latitude E6410 with fingerprint sensor, I checked the drivers and I've the drivers for Dell ControlVault w/ fingerprint swipe sensor, and I want to use the fingerprint sensor instead of the pasword to log in in my user of the computer, but I dont know what software I need to do it, what software (Aplication) can I use for that?
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Dec 24, 2012
I have a Dell vostro 3360, I installed window 8 , I also installed driver for sensor finger but can't use it. What need I do to get it working....
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Jan 1, 2015
I replaced HDD with SSD on my new 7347, and then did a clean install of "Windows 8.1 Enterprise N" in order to be able to run Hyper-V virtual systems. I have applied all Windows 8.1 updates and installed Dell 7347 drivers and updated the BIOS to A03. All is working except screen auto rotation.The Device Manager indicates that HID Sensor Collection has a driver problem and cannot start as shown below:
Clicking on the HID Sensor Collection shows the unable to start (Code 10) issue.Is there some other DELL driver I need to install? I have tried running Windows 8.1 Troubleshooting app and it shows this: I have also run the DELL Support "System Analysis" option as shown below and it loops on requesting me to install the 7347_Chipset_Driver_NDGM4_WN_9.5.22.1760_A00 driver which I have done multiple times.
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Nov 1, 2014
I have a Dell n5010 laptop.... sometimes I have seen that laptop is getting shutdown automatically after 5-6 minutes of powered on. Lots of internet search I came to know about HWiNFO software which shows cpu temperature and fan speed.... I have seen sometimes cpu gets heated up but the fan is not started yet causing overheat issue.. so as shutting down the system... my bios is up to date as per dell website latest bios driver version A15... I am sensing that that the thermal sensor may be not working properly always... Please note down not always it is happening sometimes it is happening...???
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Apr 30, 2009
I have this laptop dv7-1110eg ... with Ultimate 64bit
I installed all drivers, but even with the Windows Genuine (Home Premium) the sensor panel (touch panel, fingerprint panel, volumen and multimedia control,.. sorry, i don't have clear of real name) Does not work, operates at half, because if the active volume is reflected in the panel ... like the wireless network
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Apr 16, 2010
Where is the sensor that senses when the lid is closed on the laptop? It hasn't worked properly since I got my laptop back from Acer repair a year ago.
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Aug 10, 2008
On my acer 5920g, I've installed XP and all drivers without problems, but my sensor keypad does not work like media buttons, but just like single click on touch pad. Which driver I've miss? I've also installed lounch manager driver and nothing happens.
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