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• My laptop HP Probook4540S

  I just bought a Probook s 4540, I tried to install a second 4g memory. When I looked I can't find a second slot. Is 8g the maximum memory that can be installed?

  Hello

  Go through the Page 2, 64 & 65 of this manual:

  http://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/action.process/public/psi/manualsDisplay/?sp4ts.oid=5229457&javax.portlet.action=true&spf_p.tpst=psiContentDisplay&javax.portlet.begCacheTok=com.vignette.cachetoken&spf_p.prp_psiContentDisplay=wsrp-interactionState%3DdocId%253Demr_na-c03758231%257CdocLocale%253Den_US&javax.portlet.endCacheTok=com.vignette.cachetoken

  2 slots are available, 8Gigs is the total MAX of RAM

  The reason why you are unable to find the separate slot elsewhere is that primary because & extension of memory is installed in a stacked configuration, on the other - to the two slots are adjacent vertically.

  He also advised clearly upgrade the BIOS to the latest version of your product Web site.

  Hope I could help you,

  Kind regards

• Intel SSD 530 series with HP ProBook4540s

  Sorry for the translation.

  After installing the 530 120 portable GB Intel SSD and install windows 7 x 64. the system starts properly. but when not choose "shut down" and select "reboot" then the computer does not see hard drive.
  After a stop, windows loaded correctly.
  After the next reboot problem repeats.
  Help

  I informed the Intel the incompatibility problem.
  They updated the version of the software and the firmware for SSDS, which solved the problem with my 4540 s HP's Probook.
  Link to download the firmware updated from the Intel Download Center: https://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=18455

• Probook4540s: 87% charged battery, won't start not computer.

  87% charged battery, won't start not computer. When power plugged in and started it shows not charging. If I remove the power cable, stop immediately.

  There are several complete responses with the steps to follow, which I did. Finally a new battery of bouht and considers the motherboard bringing not at not charge. The sending of the stack of return for credit.  Will just have to use with the power supply.

• for Probook4540S 12V car adapter

  Hi, recently bought a Probook 4540 S and would like to know someone learned more that me how to load and run from the 12v vehicle... There are many according to the cards on the market available but do not know the power and also any tension it is possible fluctualtion in the car to cause problems... think it must be deleted etc if the vehicle is running?... anyone know if HP make a suitable adapter because I have not seen so far all that explains the problems... any suggestions appreciated... tks...

  Following the previous post...

  Have since been advised by HP which recommended the HP 90 watt Slim Combo Adapter to run a 12v car support Probook... they added the adapter equipped with a suppressor to limit any voltage fluctuations and will be the input of pure sinusoidal wave who recommend HP to power the Probook. Now, I haven't checked this Advisor nor can attest to its accuracy - just post here as HP solution to my problem because they recommended.

  Thanks for your suggestions and advice... appreciated Hüffer

• Performance degrades in Probook s 4540 after upgrade memory

  Hello. I installed recently in my memory modules two Kingston Probook4540 (2x8gb ddr3 1600 CL10 240 pins). Since I did this, Windows 8 is much longer to start and performance dropped considerably. But, if I put only one of the two modules, or the original 4 GB module, Windows runs at normal speed.

  I think it's a BIOS problem, as I see this error even on laptops the other brand, for example here
  http://superuser.com/questions/379970/laptop-is-incredibly-slow-after-RAM-upgrade
  
  I have the latest BIOS version available (F31 26-SEP-2012).
  
  Thank you.

  In case anyone is still interested in this topic:

  It is a solution that worked for me.

  It is not an official solution or supported.

  I used the laptop intensively in the described configuration and had no problems that I can relate to the configuration of the memory.

  Deduct from a 256 MB RAM memory available for OS could eliminate the problem for some processors.

  The solution runs on:
  -HP 4540S

  -i5 - 2450M

  -AMD/Intel switchable graphics card

  -16 GB OF RAM

  -Bios F.42

  It might work for other processors.

  Under Windows, you should deduct 256 MB of RAM, using EasyBCD or a similar tool.

  Instructions for EasyBCD:

  Under Advanced settings/developer set 256 under "MiB deducted from physical memory", save the settings and reboot.

  In Linux, the "mem = 17G" value in the boot of the kernel settings (actually deducted 256 MB).

  Edit:

  On Windows 7 and later versions, you can also use the following instead of EasyBCD:

  bcdedit/set {current} removememory 256

  (Run the command at the prompt with administrator privileges and restart).

• 4540 proBook s: Ralink RT5390R driver

  I need the current drivers from the Ralink Windows7 (32- and 64-bit) for my Probook4540s RT5390R - when I click on help, type my model number I gives me 3 choices Base Model, laptop, Notebook PC (Energy Star) - I used the

  FN - combo esc to get a more detailed product number, but it does not give me one. Even if I try to download or to compare

  all 3, your site told me it cannot load page. I run the troubleshooter and it tells me that I can't access. Please provide the

  a link to get these drivers or give me numbers of sp I need. The problem is that I have an ISP that gives me 100 MB

  and in the detail of my property, I'm locked in 72.  My wife has a laptop HP using Intel Centrino wifi adapter

  and it shows 300 MB in details and it becomes 88... Mine is showing about 44. Thanking you in advance for your

  Help.

  Hello:

  Here is the link to the latest HP driver for this card.

  72 Mbps, it's everything you want out of this card any driver install you.

  http://h10025.www1.HP.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-131223-1 & CC = US & DLC = in & LC = on & JumpID = reg_r1002_usen_c-001_title_r0003

• SPEED LIMIT OF DOUBLE CLICK KEY

  I have a HP Probook4540s runing Windows 7 Professional. Last night, he started a speed limit on double substitution in a screen or program any key. Whenever I have a double character like "ee" or "oo" or same double line spacing or BACKSPACE or delete, once I hit key desired, I have to wait a second or 2 before I hit him again so he could register.  I don't know that there is a setting somewhere where I need to check or uncheck a box, but I have no idea where he might be. I've looked everywhere I can think of. It is not specific to a certain program, it happens in all programs, all screens.

  Hello

  Check the following points.

  Open windows control panel, open ease of access Center and click on the link "make the keyboard easier to use.  If there is a check mark in the box beside "Turn Sticky Keys" or "Turn on filter keys", delete them and then click on apply to save the changes to see if that solves the problem.

  Kind regards

  DP - K

• Window 7 hp printer drivers issue.

  I use the computer model hp Probook4540s laptop. I still refused accepting pilot for any type of printer, that is to say with the message of device driver is not successful installed. Initially, he worked with the Dell printer for a week. Then he brought a message "Spooler service does not work. I tried to stop and restart the spooler service. That more did not help. I wonder if anyone can help. Is Teredo tunneling has nothing to do with this?

  Hello

  Thanks for posting your query in Microsoft Community.

  I would be grateful if you could provide us with the following information:

  1. You did changes to the computer before the show?
  2. You still get the error "the spooler service is not running" after restarting the print spooler service?

  This problem may occur if the correct device drivers are not installed or currently installed readers are not compatible or the Printer Spooler service itself is corrupt.

  You can follow the advice given in the following links: and check if they help:

  Open the printer Troubleshooter

  http://Windows.Microsoft.com/en-us/Windows7/open-the-printer-Troubleshooter

  What to do when a device is not installed correctly:

  http://Windows.Microsoft.com/en-us/Windows7/what-to-do-when-a-device-isn ' t-installed-correctly

  Hardware devices do not work or are not detected in Windows FIX IT
  http://support.Microsoft.com/mats/hardware_device_problems

  I hope this helps. Please let us know the results. Feel free to write us again for any help.