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Touchpad on/off button not working - probook 4540s

Q: Touchpad on/off button not working - probook 4540s

Just got a new Probook 4540s and cannot get the on/off function of the touchpad to work. There is a small dot in the upper left corner of tochpad. User guide says to double tap it to turn on and off touchpad. Doesn't work. I then went to driver download and got the latest synaptics drivers. Still doesn't work. What am I doing wrong?

RELEVANCY SCORE 200
Preferred Solution: Touchpad on/off button not working - probook 4540s

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: Touchpad on/off button not working - probook 4540s

FIgured it out. I had disabled the "touch to click" function. After I enabled it the touchpad on/off button worked as it should.

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RELEVANCY SCORE 104.4

Hello, I have ProBook 4540s.  My touchpad stops working automatically. I've tried all key (Fn+F1-F12) and options. I also try to lock and unlock touchpad by tapping on the upper left corner but it doesn't work for me. Even my drivers are also updatedTouchpad starts working after restart or after wake up from sleep. Please tell me solution

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RELEVANCY SCORE 92

the touchpad of my 4540s i5 freezes after some time of working.this happens from time to time.i unstalled Synaptics TouchPad Driver and restalled but probles is the same.OS windows 8(64bit)

A:the touchpad of probook 4540s i5 freezes after sometime

Hello zamsam,

 

I understand that your touchpad will freeze.

 

Do a hard reset.
Turn the computer off.
Remove the power cable and the battery.
Hold down the power button for 15 sec while booth power sources are removed.

This should reset the hardware in the computer.

 

As you power it back on tap the F2 key. This will load hardware diagnostics.
Run the startup test.

This will test all the hardware in the system and detect any problems.

 

If the entire test passes, turn off the computer.
As you turn it back on tap the F10 key. This will load BIOS setup utility.
Press F9 to load defaults.
Press F10 to save and exit.

When the computer boots back up, check to see if everything is working.

 

Your computer is one of our business models.

 

Your question maybe better answered on our business forums.

 

Here is a link to the business forums.

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RELEVANCY SCORE 81.2

My HP Probook 4540S webcam has stopped working after Windows 10 update KB3194496 was installed. I installed the HPUniversal camera Driver but the webcam still doesn't work. Prior to the KB3194496 update the webcam worked perfectly. Has any else experienced this and is there a fix?! Thanks!!

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RELEVANCY SCORE 77.6

Hi all, I have a HP ProBook 470 G1 notebook. The touchpad button board doesn't work properly (not driver problem). I want to buy a new button board part but I don't know what's the partnumber or is it possible to get just the button board or I have to buy a complete top cover? I found nothing in it's service and maintenance book at all

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RELEVANCY SCORE 69.2

hello ,the touchpad ,mouse of my laptop is not working from 2 weeks , i use linux(ubuntu 16.04) as operating sysytem .i use external wireless mouse for work .please help.

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RELEVANCY SCORE 68.8

My laptop starts up with the touchpad working then will randomly stop working or go to sparatic movements. I have tried updating the driver, enabling/disabling the touchpad, and rebooted the computer. Any ideas or thought are much welcome?

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RELEVANCY SCORE 68.8

I am unable to use my laptop's touchpad and keyboard. Even my mouse is operational only when the windows is loaded. Meaning, during the booting time when i wish to change the booting option, at that time i am unable to use even my mouse. Which otherwise is the only outside device used via usb port. Earlier there was issue of BIOS application, which was corrupted, which not is visible when i just boot, meaning thereby, the button namely f1 or f8 is operation at the time of booting, but unable to do any change in the booting options which are visible when i just boot my laptop. Though with the help of USB i am able to work on my externally attached keyboard. What should be done to cure this issue this is persistently bothering me for last 15 days. I am unable to make my laptop's touchpad and keyboard operational. 1 thing more only Tab is operational and opening and closing bracket keys work that is it. And as i said now only f1 or f8 works during the booting, nothing else. Please get me out of this trouble. I've trying for many days. But unable to get rid of this issue.

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RELEVANCY SCORE 68.4

wifi button not working in Hp probook 6450borange lightwhen click in the button nothing happenthe driver is installed correctlyi 've dowloaded HP wireless support but isn't working in my computer model

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RELEVANCY SCORE 68.4

my computer has urgently shut down and i dont know the reason why

A:HP 4540S PROBOOK

That is what we are going to try to figure out. Do a hard reset: https://support.hp.com/us-en/document/c01684768 Now plug in just the AC adapter. Hit the power buton. What happens?   

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RELEVANCY SCORE 68.4

Hi, I have a HP ProBook 4540s and it currently has a BIOS password which I don't remember. Is there any way I can either wipe the password to be null or somehow have it bypassed?  Thanks,

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RELEVANCY SCORE 68.4

i just bought a probook 4540s from my local school  because they where getting rid of there old computers and it wont let me even get past the administrator login so i can change the settings and there is no f11 option. please help me figure out how to get it taken care of because im planning on giving it to my sister as soon as i can get it back to factory settings. 

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RELEVANCY SCORE 68.4

Attempted to up-date to Windows 10. Couldn't do it. Microsoft (MS) Tech tried to do it and couldn't do it. It seems there are some security tools that must be removed as they are incompatable with Windows 10. MS tried to remove and couldn't do it. He said they were on the mother board and when he tried to remove them they just kept coming back so once again he couldn't do it. He said contact HP and they could do it. Unable to find anybody at HP that can do it. As you can see nobody can do it so I guess it just cannot be done. That is unless some fine person out there has discovered a way to do it. If thats the case please tell me ho wo do it.

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RELEVANCY SCORE 68

Hello,I am having an issue with my Probook 450 g3 running windows 10 pro x64 anniversary update v1607.Most of the time, the audio doesn't work. When its not working, it says that there is no playback device found in control panel --> sounds.I have updated the machine with the latest drivers and bios and it still does not work.However, if I uninstall the synaptics touchpad drivers and reboot, the speakers work fine. Unfortuantely, windows will automatically install a driver for the touchpad and it wants me to restart. The next time I restart, the speakers break again. I have disabled the setting to automatically install drivers in advanced system settings, and it still installs the drivers. Some info:Conexant ISST audio driver version: 9.0.72.50Synaptics ps/2 port touchpad driver version: 19.0.19.48Bios version: 1.14 Please let me know if you need any other details.Thanks,bench

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RELEVANCY SCORE 68

The touchpad and left-click were working previously, then suddenly stopped. I have changed the touchpad board and it worked, then it stopped working again. I have formatted windows.please, any help.

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RELEVANCY SCORE 68

Hi everyone!HDD on my notebook died so I want to buy SDD for it but I have no idea which are compatible with Probook 4540s. How do I know an SDD is compatible with my notebook?Ty

A:SDD compatible with ProBook 4540s

HI. These SSDs would be compatible: -Kingston SSDNow UV400 SSD-Samsung 850 Evo 250 GB-Samsung 850 Evo 500 GB-1 TB Samsung 850 Evo-SanDisk Ultra II 960GB-Samsung 840 Evo 250 GB-Crucial MX300 525GB-Samsung 840 Evo 120 GB-1 TB mushkin Reactor HP - Compaq> 4540s ProBook https://www.kingston.com/es/memory/search?devicetype=3&mfr=HEW&line=ProBook&model=77881 Regards.

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RELEVANCY SCORE 68

HiI tried to update to W10 and failed with OXC 1900200 which suggests a compatibility issue. It is unclear on the HP website if this model supports W10 -  HP has not tested your PC model for upgrade to Windows 10.If your Windows 7 or 8 PC was manufactured before August 2013 or is running Windows XP or Windows Vista, HP cannot confirm it can be upgraded to Windows 10.  Can anybody offer an advice if the 4540S supports the W10 upgrade and if so any advice on what may be causing the error. ThanksJohn

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RELEVANCY SCORE 68

Good day my Hp pro book 4540s is faulty and i didnt find it fixed yet..so you guys should help me out with ideas or what to do.i bought a new battary and plug it in but the will be seeing it charging and when i unplug it ithe system short down..so i will need to use charge stairght from the socket before the system can on back..so whats the solution?

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RELEVANCY SCORE 68

I have a new ProBook 4540s notebook that I shut down over the weekend. I am not sure if I put it into hibernate, sleep, or what as I am still getting use to it. When I tried to turn it on (not plugged in) I got nothing. So I plugged in the power cord and hit the power button again. All it did was the LED above the cord plug blinked about 8 times and nothing else. I let it "charge" overnight and tried again in the morning. Nothing but a blinking LED. I Googled the problem and it said to take the battery out, unplug, and hold the power button down for 20 seconds. I plugged it back in but left the battery out, and still the same thing - flashing LED. HELP! Thanks.

A:My new ProBook 4540s will not turn on

Hey SBProBook,Do any other LEDs blink? Take a look at this document and let us know if you see any matches to these patterns:http://support.hp.com/us-en/document/c01443366




___I am an HP employee.? Say thanks by clicking the 'Thumbs Up' button on the left? Make it easier for other people to find solutions, by marking my answer with 'Accept as Solution' if it solves your issue

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RELEVANCY SCORE 68

I found that my Probook 4540s sometimes cannot boot. I have to use the trick applied to 4530s: remove battery, press power button for 40s, put the adapter. Sometimes the trick works, sometimes it doesn't.  Is this a bios issue? Any solution for this?













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A:HP Probook 4540s cannot boot - sometimes

Well did you try reseating the memory? Has the computer worked since you have upgraded the memory? Also are the memory chips the same speed? If your running two different speed chips it could cause this issue.  ThanksSean

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RELEVANCY SCORE 68

Hi, I ve been using a Probook 4540s from the year 2013. Today while I was reading a book (offline) my display stated to give some unclear pictures. Pictures were moving up and down and gave overlapped scences. Please refer the attached GIF or click here to understand the scenario (Link to GIF https://giphy.com/gifs/QzGO4cPW76wUM ) I updated the Intel Video Driver also but it could not solve the issue. Then I restarted the computer. During the boot process I realized it is not a software issue as the dispaly was acting the same. I feel this is like a hardware issue in the display or the ribbon cable.Please look at this and help me solve the case. Highly appreciate your coordiantion on this. Thanks,Isuru Reference Image

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RELEVANCY SCORE 68

Hello! My ProBook 4540s was working fine until a half hour ago, when I unplugged it to move it and then attempted to plug it back in, and it stopped charging.  When plugging in the power cord (that came with the ProBook when I bought it around 18 months ago), the light above the power jack (and no other lights) flashes white 9 times. I've tried following this fix I found on Google: 1. Turn off the notebook2. remove the battery3. remove the charging adapter4. press + hold the power button for 40 seconds5. insert the charging adaptor only6. press the power button and it supposedly continues but I get stuck at this point, because even plugged in, my ProBook won't start up without the battery in also. Is this a know problem/is there a fix for this?

A:ProBook 4540s not charging

@Andearya 
Thank you for using HP support forum. I have sent you a private message. If you?re unsure how to check your private messages please click here.Thank you,Omar

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RELEVANCY SCORE 68

I just have a quick question that i have not been able to find online anywhere and am wondering if you can provide some resolution for me. When I access the BIOS by clicking the F10 key on my laptop when I boot it I get the below environment which seems to be what everyone gets Now my question is if there is anyway to access a more "user friendly" BIOS layout like every other laptop/computer has shown below. I find that I don't have access to every option on my laptop in the BIOS that is currently present and I have the F60 BIOS which is the most recent one but most things are grayed out and I can't change things like the RAM speed or anything like that so I feel like I actually have no control over my system

A:BIOS for Probook 4540s

Nobody has anything to say?

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RELEVANCY SCORE 68

Hi,  i have one bizzare problem. My HP probook  4540s is not recognising USB drives larger then 8 gb. (in my computer or disc management)  All drivers are installed. What should i do ?  

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RELEVANCY SCORE 68

I am just wondering whether I can put a eGPU on my HP Probook 4540s to play some of the more modern games and some of the games that are a few years old now on something like high to ultra graphics. I'm thinking something along the line of a NVIDIA GTX 960 or 970ish. I actually even found some GeForce GTX 1050's at a cheaper price so is there a way I could connect something like that to this laptop. It would be cheaper then trying to save for an actual gaming rig at this time. Thank you for any replies its much appreciated.

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RELEVANCY SCORE 67.2

does probook 4540s have internal compass  ? if so, how do i active it ? thank you











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A:does probook 4540s have internal compass

@wp51dos? Using GPS (select models only) Your computer may be equipped with a Global Positioning System (GPS) device. GPS satellitesdeliver location, speed, and direction information to GPS-equipped systems.For more information, see the HP GPS and Location software Help. Look for one of these 2 devices in Device Manager under Network Adaptors. ? Sierra MC8355 HSPA/CDMA with GPS? Ericsson 5321 HSPA+ with GPS REO 

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RELEVANCY SCORE 67.2

Hey there, my HP ProBook 4540s (serial number: 2CE481QVL) has failed to charge battery. It indicates "plug in, charging" but the battery is actually not increasing from 14% for a whole day.  My DVD drive has also failed to read DVDs. Whenever I insert a DVD it prompts me: D:\ directory name is invalid. Please help me out. Thanks

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RELEVANCY SCORE 67.2

I have 4540s probook , I am using PS of 19.5 V and 3.34 A , when pluged in one time white blink appears , it dose not boot when I press start also ten times blinking and no action , after a wile blinking changed to amber color ... kindly advise

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RELEVANCY SCORE 67.2

Hi, I want to upgrade wireless card on my probook. Can anyone recommend any AC card with bluetooth for this model? 

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RELEVANCY SCORE 67.2

We have a Probook 4540S laptop runnung Windows 7 64-bit. We encrypted the machine using the HP encryption software that came with the laptop. After less than a week of use the use is getting the error "Windows Boot Manager - Windows failed to start. A recent hardware or software change might be the cause".I see the onscreen instructions to insert the Windows installation disk and run a repair. My question is, is this a valid suggestion to fix a laptop that has been encrypted, and if not is there a solution w/o having to reimage the machine?

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RELEVANCY SCORE 67.2

I have 4540s probook , I am using PS of 19.5 V and 3.34 A , when pluged in one time white blink appears , it dose not boot when I press start also ten times blinking and no action , after a wile blinking changed to amber color ... kindly advise

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RELEVANCY SCORE 67.2

So there is some speculation as to whether or not the HP ProBook 4540s can handle 16gb of ram. I recently purchased this laptop from tigerdirect.com -Windows 7 Pro64 bit-Core i5 2.6ghz -Came with 8gb (2x4GB Kingston) -Claims support on website for 16GB (2x8gb -AMD Radeon 7650M Is it possible to upgrade this particular model E3V00UT with 16GB of RAM with no performance degradation? http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=8437953 Please and thank you for responding and viewing.Best,-Robert

A:HP Probook 4540s 16GB RAM upgrade?

RNolan86 Yes you can upgrade to 16 MB Please install teh correct Memoryhttp://www.crucial.com/upgrade/HP+-+Compaq-memory/HP+Business+Notebooks/ProBook+4540s-upgrades.html Manual for replacement Page 64 http://h20628.www2.hp.com/km-ext/kmcsdirect/emr_na-c03758231-1.pdf  

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RELEVANCY SCORE 67.2

Hi All, Please note that I'm facing an issue with our notebooks (4540s), laptops can't find any SSID, but after I have restarted the devices all SSID's appear. Regards,

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RELEVANCY SCORE 67.2

I upgraded to Win 10 Pro from Win 7 Pro during the free upgrade period, at the time I had a 500 gig 5400 rpm hard disc, later I replaced the HD with an OCZ Vector 180 ssd, used the included copy of Acronis disc cloning software (i updated the Bios to the newest Version HP offfered prior to installing the ssd), now when I do a cold boot it gives me an error message saying no operating system found, if I go into the BIOS Setup menu then exit out of it without making any changes it goes ahead and boots normally. I can also do a warm boot (restart)it also reboots normally. I tried contacting OCZ support, they had several suggestions such as delaying the startup time 5 secnds, didn't do anything, increased it to 10 seconds with thes  same results (OCZ said the ssd needed more time to initialize itself). After trying 6 or 7 of their suggestions they sent me a new drive, I had saved the original HD so I cloned it to the new ssd, got the same results, no cold boot.  I've tried evey setting I can find in the BIOS, changed it from UEFI to Legacy boot with no results, disabled network booting, everything but Optical Disc, disabled Quick Boot, but nothing has changed. In Legacy mode it shows the internal hard drive to be the first thing to boot from, but that does nothing but say it can't find a bootable drive and then the option left is shut down the computer. Looking in the BIOS under Devices it doesn't show the ssd at all. There's no firmware update available for the ss... Read more

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RELEVANCY SCORE 67.2

My laptop is running Windows 10 64-bit.

For the past few weeks my laptop has been turning off unexpectedly.

I've tried with battery only. With battery and power cable and with battery removed and only power cable.

I am using the machine normally and then screen just goes black and power offs - no restart, no hibernation, no shut down. Just instantaneously off.

It's not overheating. Could it be a fan issue?

I don't know - but it's getting quite irritating as I often have many apps open and many files open on each app and takes me 30 mins to get back to where I left off.
 

A:HP Probook 4540s laptop keeps turning off

Is this the same problem as the thread you have posted or is it a different one.
https://forums.techguy.org/threads/switches-off-automatically.1160809/#post-9168339
 

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RELEVANCY SCORE 67.2

I have three probook 4540s laptops. do they support uefi boot ? thank you

A:does probook 4540s support uefi ?

Hi, I have a Probook 4540s and it has UEFI functionality.Bios version F.60 I can choose in BIOS between 3 boot modes:LegacyUEFI Hybrid (With CSM)UEFI Native (Without CSM) I hope this answers your question.

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RELEVANCY SCORE 67.2

Hi there! Let me know what RTC (or BIOS, CMOS) battery is used in HP Probook 4540s? Your service guide doesn't tell it.My notebook is at least 3 years, I don't have any problems at the moment - but it would be good to know when should I replace it? Thank you

A:What RTC (BIOS) battery is used in HP Probook 4540s and when...

@Renoise Hp part number   683502-001 Your manual here. http://www.hp.com/ctg/Manual/c03758231.pdf http://www.ebay.com/sch/i.html?_from=R40&_trksid=p2050601.m570.l1313.TR0.TRC0.H0.TRS5&_nkw=683502-00... REO 

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RELEVANCY SCORE 67.2

Hi I have Probook 4540s with Mediatek Ralink RT3290 with version 5.0.37.0. Do you have some new version which will  work better with this? WiFi is sometimes disconnecting with red x especially after sleep I have to reboot. Thank you.

A:Wifi problems with ProBook 4540s

Hi: Yes, there is a 5.0.50.0... Released: Nov 4, 2014Version 5.0.50.0 Rev.B This package contains the driver installation package for the MediaTek (Ralink) Wireless LAN (WLAN) Controller in the supported notebook models that are running the supported operating systems. File name: sp69543.exe

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RELEVANCY SCORE 66.4

Intel chipset drivers are not available for Windows 8 or 8.1 on hp.com (Intel ME drivers are available in their place, some kind of inside joke, I guess). Given HP's recent corporate reorganization, hp.com may never be updated. I think only an HP insider could answer these questions: 1) Did HP modify the Intel chipset drivers as OEMs often do or could I use ones from Intel? 2) Is there any difference between Windows 7 and Windows 8/8.1 chipset drivers?

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RELEVANCY SCORE 66.4

Have had blue screen of death on several occasions. Then Event viewer said the critical event was as follows; Event ID:      41Task Category: (63)Level:         CriticalKeywords:      (70368744177664),(2)User:          SYSTEM Then ran F2 disc scan and recieved the following:Failure ID: 0G8F2W-00089H-QFPK1A-61D903 What do do next?

A:HP probook 4540s what does this mean Failure ID: 0G8F2W-0008...

Hi, According to the failure id. Your hard drive gone bad. Hard Disk 1 Full Test Failure. You need to call hp's hotlineHP SUPPORT: 1800 474 6836 and have the computer repaired. Good luck. 




"Education costs money; so does Ignorance"If my post has helped you, click the Kudos Thumbs up!If it solved your issue, Click the "Accept as Solution" button so others can benefit from the question you asked!

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RELEVANCY SCORE 66.4

Hi, I've got a secondhand Probook 4540s from a shop near me which sells used laptops. At the time i got it it came with Windows 7 Professional 64bit. Everything was working smoothly, then I started updating the graphics card drivers  and other drivers in it (in hopes of improving perfomance) and it was around that time that windows started complaining that this version of windows is not genuine. (I think it was after i updated bios or something. or I used a non microsoft software to download microsoft updates because my microsoft update manager was not working) So to the problem at hand now. I want to format my pc and for that I need windows product key right? I cant find it! It is not in the back of my laptop, not under the battery (The battery is seemed to be replaced) and I did not get any installation media along with the laptop. Any idea how to get my windows product key? or do I even need one to install windows in this laptop (like win8)I dont think the people at the shop can help me on this. (Also,  the Probook 4540s does ship with windows installed right?)  

A:How to find Windows product key for HP Probook 4540s (No OEM...

Hi, Please try use the following tool to find out:  https://www.magicaljellybean.com/keyfinder/ Right but only close because it can have one of the following options Preinstalled:Genuine Windows® 7 Professional Genuine Windows 7 Home PremiumGenuine Windows 7 Home BasicSUSE Linux Enterprise Desktop 11FreeDOSRegards,

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RELEVANCY SCORE 66.4

                   Probook stated that there is no info on my Motherboard and i wont to upgrade it for video for gameing.could someone please help with this.                                                     thank you

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RELEVANCY SCORE 66.4

Hi, I have a Probook 4540s and have recently upgraded it from 6 to 12 GB RAM. (the two RAM sticks have identical timing)Because of the degrade of performance after installing more than 8GB of RAM(as described in this topic http://h30434.www3.hp.com/t5/Desktop-Boot-and-Lockup/Performance-degrades-in-Probook-4540s-after-mem...),I had to us msconfig to set the memory limit to 12032 MB.However, windows now says that only 10.4 GB is usable. I really appreciate your help.

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RELEVANCY SCORE 66.4

I will buy a ProBook 4540s (Intel i5) very soon. At a lot of places on the Internet, it had been mentioned that it supports upto 8GB DDR3 RAM. But, on a details page at HP site, it had been mentioned as "16GB". So, I'm a bit confused here, though I guess that it might be 8GB. I want to know about this for sure. Thanks













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A:ProBook 4540s - Maximum Supported Memory ?

Hi Please find the link given below might help you. Unit support 16GB Memory it has 2 slots Each slot can hold 8GB stick. HP ProBook 4540s Notebook PC - specifications

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RELEVANCY SCORE 66.4

I bought my laptop about two weeks ago. Then first, I installed Windows 7 Professional 64 bit. I installed "HP Protect Tools" & could enroll all 20 fingers at once without any issue. Then recently, reinstalled the whole system with Windows 7 Ultimate 64 bit. Then, installed Protect tools & could enroll my two thumbs. But I couldn't enroll any other finger. For each other finger, first two confirmtions work properly. But at third, it always fails. I cannot think that this is an issue related to how I sweep the fingers. Because, then how do every first two confirmations get passed?. Hope anyone will help me to sort this out.













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A:Fingerprint already enrolled Issue - ProBook 4540s

OK.. I just sorted it out. I clear all fingerprints data & then, I could enroll all 20 fingers.

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RELEVANCY SCORE 66.4

Hello, First I tried to google this problem but i didn't find any solution , even in your solutions ( the famous one : http://h30434.www3.hp.com/t5/Notebook-Operating-System-and-Recovery/Update-HP-4540s-Graphics-problem... )  so I have Probook 4540S I3 with both graphique card  I installed TechPowerUp GPU-Z to show you both graphiqs  then  the second     My win 10 just install AMD 7650M at the first Time , then I download AMD Catylist  From hp center here : ( http://h20564.www2.hp.com/hpsc/swd/public/detail?sp4ts.oid=5229456&swItemId=ob_171482_1&swEnvOid=419... ) so i had  this   and i make also Batterie options  && so when i make a game in high performance  ( first it does't show me that it use AMD graphique ( i know that ) ) and it show me bluuuue screan every time i run application or game in high performance , even in 5 sec before bluescrean the game  doesn't use my AMD at ALL Please Help ME and thank you very much   

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