Performance degrades in Probook 4540s after memory upgrade

Hello. I've installed recently in my Probook4540 two Kingston memory modules (2x8gb ddr3 1600 CL10 240 pin). Ever since I did this, Windows 8 takes much longer to boot and performance has significantly dropped. But, if I only place one of the two modules, or the original 4GB module, Windows runs at normal speed.
I think it's a BIOS problem, as I've just seen this very same error in other brand's laptops, for example here
http://superuser.com/questions/379970/laptop-is-incredibly-slow-after-ram-upgrade
I've got the latest available BIOS version installed (F31 26-SEP-2012).
Thank you.
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I actually started a case under their Business division. I first received the generic/automated response from HP saying that the laptop can only take 8GB of RAM max. They actually sent me a link to an official HP 4540s specs and it actually shows 8GB max. BUT, I never saw that PDF but used the one linked on their shopping site under business section and it shows maximum of 16GB of RAM. I explained all of this to a supervisor and they decided to escalate the issue to Level 2. I'm still waiting for a final decision. I'm worried they are going to try to replace the motherboard. I truly believe this is a BIOS update issue. Like I said the 4540s i3 we have can take the 16GB of RAM with no performance decrease. Only the i7 one is slowing down to a crawl. No error messages anywhere.

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MacbookPro will not wake up from sleep after memory upgrade

I am restarting this topic as I have read thread after thread (many years old) and they all just die off with out any definite solution.
I have a 13" Mid 2010 Mac book Pro which originally came with 250gb HDD and 4gb memory
I have recently upgraded to a 256 SSD and a 1TB HDD optidrive replacement along with a 8GB memory upgrade and I am now running Lion 10.7.4
If I close the lid and open within approximately 1 minute it will wake up quickly as normal, if I leave it asleep for a minute or 2 it will not wake up with out holding the power button for several seconds and then I still need to wait a several seconds for it to respond and actually wake up. Sometimes I will need to completely shut down and restart. If I wanted a computer that takes forever to wake up I would have a PC!
The last thing I upgraded was the memory so I am sure it is the cause of the sleep problem and not the SSD conversion which was working fine with the original 4GB mem before upgrade.
I have read about resting the PRAM, resetting PMC as well as executing a line in the terminal, but all of these seem to have variable success. I have tried every thing but using the terminal to adjust the hibernate mode setting as I am not proficient with terminal and don't actually understand what changing this setting does (sudo pmset -a hibernatemode 7).
Has anyone resolved this sleep problem and what did you do? I would greatly appreciate some knowledgeable insight on the hibernation settings, and what running the line in the terminal is actually doing... even better what is the default so I can change it back if it doesn't resolve the problem.
A simple memory upgrade causing such a issues is very irritating.... Any help would be greatly appreciated!

But still, the sleep issue persists, so it is a more subtle timing issue. I upgraded my MBP with a Corsair 8GB kit ( http://www.corsair.com/us/corsair-mac-memory-8gb-ddr3-sodimm-memory-kit-cmsa8gx3 m2a1333c9.html ) and it indicated it had 9-9-9-24 CAS timing. It has worked flawlessly till now. Note that my Mac is a Late 2011, whose memory runs at 1333 MHz.
As far as I can tell, the 13" Mid 2010 models used 1067 MHz memory with 7-7-7-20 CAS timing: http://www.corsair.com/us/corsair-mac-memory-8gb-dual-channel-ddr3-sodimm-memory -kit-cmsa8gx3m2a106c7.html

Mainstage 2: Apparent issues after memory upgrade

I'm wondering if upgrading from 4GB to 8 has caused some problems. After installing the proper memory upgrade (Crucial) I've had this result:
1. The increased memory shows up in 'About this Mac'. So far so good.
2. When I open a large Mainstage concert that used to show the RAM usage as very high, the RAM bar does not really look any shorter. This surprised me. I expected all sorts of headroom there that I'm not seeing. Disappointing.
3. This is the real problem: more often than not, when I go to save a concert, I get the horizontal progress bar... forever. It will simply not save. Eventually I force quit it, and end up with an autosave version. This is a real problem.
4. Another, lesser, new thing is that there have been occasional, sporadic display glitches. Sometimes a Patch name will be all scrambly, or I'll open an software instrument to edit and just get a white box in the shape of the window.
I guess my question is: although I'm indeed seeing 8GB RAM instead of 4, could there be an issue with the memory that might cause this? Any ideas as to how to troubleshoot this would be greatly appreciated.
Mainstage 2.1.3
OS 10.6.6
MacBook Pro 2 GHz Intel Core i7
8GB 1333MHz DDR3

That did it, thanks. I think I had read about that a while ago, and forgotten entirely. Everything seems to be as it should.
This is not the frst time you've helped me out, Blue. Thanks again.

Satellite A100 shuts down after memory upgrade

Consider me as 1 of the thickie bunch.. Not even sure wot im talkin bout but here goes n e way...........
Have a Satellite A100 570 ( PSAA2E)..........
Have tried several different online sites lookin for memory upgrade. Didn't have the witt to use toshiba site...... Ended up going with Crucial.........
Ran diagnostic on laptop and was sent the module a needed.or so i thought....... wrong 1 or 1s as i bought 2 x 1G modules in order to " double up".....
Got my money back as they were not compatable with my system.. something to do with density problems....
Tried company called OFFTEK........ they seemed to know what they were talkin about....... I have from Offtek. at present a..........
200 Pin 1.8v DDR2 PC2-4200 SoDimm....... but Toshiba have recommended below......
1GB PC2-4300 DDR2 Memory (533MHz)
Part Number: PA3411U-2M1G
1024MB (1GB) Memory PC2-4300 DDR2 (533MHz)
Theres an obvious difference ...... 4200 and 4300. But im not sure if its a significant difference........... or what it means
Have updated bios to most recent version and basically updated everything toshiba had to offer for this model...........
Ran EVEREST and it recognises the 1G module but when i take out the original 512mb module the laptop starts for about 3 seconds then shuts down...
this repeats about 5 times then complete shutdown.....
I dont like opening the back cover too often but this is the 3rd module ....
Not sure whats meant to happen if the module is working...i.e start up message..not sure if windows recognises 1G module....
Would it be safer bet to send Offtek module and stick with toshiba option.....
Thanks in advance.....

Cheers R2........ suppose at this stage i could start rhyming off a load of star wars lines but uve probably hears them all before.......
N e way......... checked out the link u posted..........very useful......
The module described is identical to what i have.............As with previous reply ( above ) im not sure what to do.........might take up Offteks offer of replacing the module but slightly concerned it might have same outcome......Still not happy bout opening the cover so much........nut needs must i suppose

Dual 867 MDD won't sleep after memory upgrade

Since yesterday my PowerMac G4 Dual 867 MDD has become insomniac. What changed since yesterday is that I installed an additional 512MB of RAM. So far as memory is concerned, there's the factory-installed 512 Infineon module; a second 512MB Kingston module (installed about a couple of years ago, and has been working fine ever since); and a third 512MB Kingston module (the one I installed yesterday) for a total of 1.5GB.
I am aware that sleeping issues can arise for all sorts of reasons (inc. USB peripherals) but it is pretty obvious that in my case the problem is caused by the memory upgrade.
The symptoms: Once I click Sleep on the Apple menu, I can hear the sound of the hard disks spinning down, but the rest of the box remains fully powered. The screen freezes and the computer has to be manually switched off, as the mouse cursor disappears from the screen and the keyboard becomes completely unresponsive.
So far I have tried the following: I have reset the PRAM (no luck there), and have tried switching memory modules to different sockets (basically, the single remaining free slot). I apologise in advance if that second troubleshooting routine might portray me as an ignoramus; I have a good understanding of things but cannot claim to be an expert.
I am a extremely frequent user of the sleep mode, and this issue has taken away from me all the pleasure that comes with a coveted (and long overdue) memory upgrade. I would deeply appreciate any help in resolving this.
Many thanks

Dear Dave,
Many thanks for your prompt response. I ran Rember (Amount of memory to test: "All". All other boxes unchecked - I was running other apps at the time). I cannot understand the results from the log, but I didn't get any feedback at the end of the testing. I attach the contents of the log below:
Memtest version 4.13 (32-bit)
Copyright (C) 2004 Charles Cazabon
Copyright (C) 2004, 2005 Tony Scaminaci (Macintosh port)
Licensed under the GNU General Public License version 2 only
MacOS X (Darwin) running in multiuser mode
POSIX version 200112
Pagesize is 4096
Requested memory: 18MB (19693568 bytes)
Available memory: 18MB (19693568 bytes)
Allocated memory: 18MB (19693568 bytes) at local address 0x02008000
Attempting memory lock... locked successfully
Creating test buffers...
Buffer A: 9MB (9846784 bytes) at local address 0x02008000
Buffer B: 9MB (9846784 bytes) at local address 0x0296c000
Running 1 test sequence...
Test sequence 1 of 1:
Stuck Address : ok
Random Value : \ ok
Compare XOR : ok
Compare SUB : ok
Compare MUL : ok
Compare DIV : ok
Compare OR : ok
Compare AND : ok
Sequential Increment: ok
Solid Bits : setting 1 of 64ok
Block Sequential : setting 1 of 256testing 224 of 256setting 225 of 256testing 225 of 256setting 226 of 256testing 226 of 256setting 227 of 256testing 227 of 256setting 228 of 256testing 228 of 256setting 229 of 256testing 229 of 256setting 230 of 256testing 230 of 256setting 231 of 256g 238 of 256setting 239 of 256testing 239 of 256setting 240 of 256testing 240 of 256setting 241 of 256testing 241 of 256setting 242 of 256testing 242 of 256setting 243 of 256testing 243 of 256setting 244 of 256testing 244 of 256setting 245 of 256testing 245 of 256setting 246 of 256testing 246 of 256setting 247 of 256testing 247 of 256setting 248 of 256testing 248 of 256setting 249 of 256testing 249 of 256setting 250 of 256ok
Checkerboard : setting 1 of 64ok
Bit Spread : ok
Bit Flip : setting 1 of 256ok
Walking Ones : setting 1 of 64ok
Walking Zeroes : setting 1 of 64All tests passed.
Thanks again,
Alex

Windows 7 not booting after memory upgrade ProBook 6540b

Hi
HP Probook 6540b
Windows 7 Professional 64bit
Currently, I have 2x2GB of RAM and I want to upgrade it to 2x4GB. After replacing the 2GB sticks with the new 4 GB sticks, the notebook does not start anymore. I bought the right kind with right speed (DDR3 1333MHz 10600 9-9-9-24 SODIMM) and BIOS shows the correct amount of memory but it gets stuck at "starting windows" screen. I've upgraded the BIOS to latest version... if i put the older 4gb (2x2) sticks back in there, it boots just fine. Memory was new and never even used. The memory diagnostics tool doesn't show any errors either, i.e. the test passes without errors.
Any ideas? Thank you for the help.
Regards
Martin
This question was solved.
View Solution.

Hi,
Definitely you bought non supported RAM. Please check the following and compare the source of your RAM:
http://www.crucial.com/upgrade/HP+-+Compaq-memory/HP+Business+Notebooks/ProBook+6540b-upgrades.html
Regards.
BH
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HT1423 after memory upgrade iMac crashes

I upgraded the memory on my iMac 21.5 mid 2010 in accordance with the instructions and now it continues to reboot and after a while the screen turns black and a beeping sounds occurs. Suggestions to resolve this are welcome.

D._Paul Schuilwerve wrote:
The specs are correct and have used Corsair Mac memory. Have used this brand also to upgrade another iMac and a Macbook Pro
So have I, my Early Core Duo has had 2 1GB PC2- 5300 667MHz Corsair modules in it for years and has never had a problem.
If you are sure that the modules a fully seated in the slots, then the only conclusion is that there is something wrong with that RAM.

PC won't boot after memory upgrade (on MSI P45D3 Platinum)

I am having a problem on my MSI P45D3 Platinum motherboard system (Dual OS: Win XP and Win 7)
Until recently I was running it on PATRIOT 2GB (2x1GB) 1600MHz DDR3 PDC32G1600LLK memory (CL7) and all was fine, though running only at 1066MHz, since I couldn't tweak the settings (latencies/voltage) in order for it to run at 1600MHz.
I wanted to add RAM but since I couldn't find the same type anywhere in my town, I decided to go for PATRIOT 4GB (2x2GB) 1600MHz DDR3 PSD34G1600KH Signature Line (CL9). However, the system never booted again (blank screen, no signal sent to monitor) after adding the two new sticks of RAM! The new RAM is working fine when I remove the old and vice versa, so I know it is not a case of defective sticks.
I must mention that I cannot fiddle with the RAM timings because I cannot even reach BIOS!
Any help will be most welcome!

Mixing different memory modules is always a gamble and likely to cause such problems. Identical modules should be used for best results.
In many cases, you can set what you want regarding memory configuration, getting the RAM mixture to work stable will simply be impossible, even though there is no defect.

Quirky Macbook Pro After Memory upgrade and big movie project

Hi all,
Last December I made a movie for a class project with imovie. I noticed that the processor temp got up to 180-190 degrees for long periods of time (I use Intel's CoreDuo Temp reader to tell). Ever since then my MBP has been real flaky and weird. I wonder if I burnt the chip or something. Here are some of the issues
Applications crashing (Apple and 3rd party)
hard time finishing big tasks (i.e. they start but then crash towards the end)
major slow downs at odd times
Overall loss of performance
Beachball for no reason
WILL NOT ARCHIVE!!!
WILL NOT TRANSFER BIG FILES TO EXTERNAL HD!!!
(those two are big to me)
I found a great app called fancontrol 1.1 and since then my temps have been down. wish I knew about it before my project. It's as if I can't trust this thing with anything more than surfing the net. Even that has been messed up lately.
I recently bought an extra gig of memory (I used 667 mhz ddr2 sdram bumping it to 2gb total) and that made things worse. Apps and performance are a little more unstable. I then completely wiped the hard drive and reinstalled the OS and all the updates and it still runs noticably slower than when I first got it. Stability got better but not at the level I would expect with 2gb of ram. I barely made it through making a movie yesterday. Had a crash at end of burning the DVD and had to re-render everything.
My biggest fear is that since I have one of the first Macbook Pros (I was one of the waitlist people) that I am screwed out of my warranty. I think it expires sometime this month. I use this thing everyday and I can't afford to upgrade. I'm pretty savy with macs and I've done about everything I can. Any advice or insight will be much apreciated.
MacBook Pro 1.83 ghz 2gb Mac OS X (10.4.8)

Among other things: Have you performed the firmware updates required for your particular model?
Have you run diagnostics? Boot from the OS X Installer Disc One and after the chime press and hold down the "D" key until the diagnostic screen appears. Run the extended tests several times.
Check that you have properly installed the added RAM. It's quite easy to insert it improperly. Remove the new RAM module to see if the problems cease. If they do you have a defective module.
Under heavy load it's not uncommon for the CPU core temperature to reach 83-85 ºC. Normal idle temperature may range between 40-45 ºC.
Otherwise, take the computer to an Apple service center for service.
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Satellite A200 PSAEOE won't boot after memory upgrade

Hi, I am first time here.
I have bought a Toshiba A200 PSAE0E-03J02JDR with 2 GB ram memory. I bought a pair of Corsair ram (2*2GB VS2GSDS667D2). After I installed the memory the computer won't boot. I have intel 945 chipset, which is capable of 4 gb (manual page1-2). The bios version is 1.8 from 2007.
Can anyone help me, please.
Message was edited by: ovidiu marian

Hi
The A200 series supports different chipsets;
Intel 945PM
Intel 945GM
Intel 943GML
As far as I know your notebook supports the *Intel 943GML* chipset and this chipset supports max 2GB RAM.
Take a look in your notebooks user manual *Page 18.*
Summery: 4GB RAM are not possible and therefore your notebook does not boot up.

Fan noise after memory Upgrade

Hello,
I have a Mac Mini and I upgraded it to 2GB of memory and now I got a fan noise constanlty going. I have tried to reset the SMC and I left the machine without any cables plugged in for about 45 minutes after my second attempt.
I had upgraded the machine before and this never happened.
Any clue as what I got to do or what may be wrong?
Thank you for any help!
Mac Mini 1.66 GHz Mac OS X (10.4.8)
Mac Mini 1.66 GHz Mac OS X (10.4.8)

To quote from a post by "damfair":
There is a fan speed regulation wire at the front of the Mini that needs to be unattached to get to the RAM slots - if this is left unattached, the fan continually runs at full speed. Could this be the source of the constant fan noise?

IMac 2.4G Startup fails after Memory upgrade

Help Please! I have tried to install two new RAM modules with 2 GB of memory from same manufacturer (Kingston). Having either bank installed with one new 2 GB DIMM and any one of the original 1 GB module in any slot will start up the iMac. The System Profiler identifies each new memory bank correctly as having 2GB memory if so installed, i.e. it recognizes each of the new memory boards in either slot correctly. However, when both slots are equipped with both new 2 GB modules I can hear fan noise and sense the faint fan vibration, but neither the start up gong nor the screen will show any life.
Now what can that be?
Again, help is urgently needed because this whole thing does not seem to make sense to me. Note: I transferred data to this iMac G5 when purchased using transfer feature with firewire cable from a MacMini Intel.

This is the discussion area for the much older iMac G4.
Note: I transferred data to this iMac G5...
A 2.4 GHz iMac is not using a G5 processor it is using an Intel processor.
You should ask your question in the Intel-based iMac discussion area.

Problem with my MacBook 7,1 after Memory Upgrade

Hello, I have a MacBook (7,1 late 2010 model with the Intel process) and I just tried upgrading the original 2 GB ram (2 - 1 GB chips) with 2 - 2 GB chips (Total of 4 GB of Ram). It boots up fine, allows me to log in then when I went to the Apple Icon to get the system specs, the mouse icon starts to spin. It did this for 5 mins. before I had to do a hard restart. I took them out and place them back in three time, each time it boots, allows me to log in but then if I click on an app (FireFox, e-mail, etc.) the mouse icon just spins and spins.
I then put the original memory chips back in and the computer is working fine. I assume that with the computer booting up, that the ram chips are not bad. I'm running OS Lion. Any help would be great, thanks.
Got the ram from OWC, they both are Apple/Micron PC850 DDR# 1066MHz SO-DIMM.

it could be possible that one of your new RAM module could be defective.
have you tried to boot with one of the 2GB and one of your 1GB installed? Try that with each of the 2GB then if the problem you're having occurs when you have one of the 2GB installed then you know you have a defective module.

W520 - nVidia optimus does not work after memory upgrade

Hello,
I have W520 16Gb (4*4Gb) running Windows Server 2008R2. Everything works fine - display sets to Optimus.
I've tried to upgrade the memory to 24Gb (2*4Gb + 2*8Gb). Laptop recognizes memory just fine. Memtest+ does not report any errors. Although Windows does not boot up with Optimus set in BIOS. It stucks on black screen during OS boot.
It starts in safe mode. Nothing particularly interesting in event log. It also starts just fine if I choose to use Discrete Graphics in the BIOS but in that mode it does not support 3 monitors..
Latest drivers, latest BIOS..
Does anybody experience this issue?

Hi dwkor
How about reseating the memory in another order?
http://forums.lenovo.com/t5/W-Series-ThinkPad-Laptops/Optimizing-memory-in-W510-which-slots-to-use/t...
Following the picture in the link above
Insert your 8GB stick at Slot 0 (Keyboard Side, top) and Slot 1 (Bottom Side, nearer to the screw hole)
Insert your 4GB stick at Slot 2 (Keyboard Side, bottom) and Slot 3 (Bottom Side)
Keyboard Side (Slot2: 4GB + Slot0: 8GB)
Bottom Side (Slot1: 8GB + Slot3: 4GB)
According to Lenovo, For W510 / W520 systems with 4 memory DIMMs installed, place the largest memory DIMM into DIMM slot 0, place the second largest DIMM in DIMM slot 1, place the third largest DIMM in DIMM Slot 2, and place the fourth DIMM in DIMM Slot 3.
True, tested with Windows Experience Index on my W520 with 8GB DDR3 1333MHz RAM.
Score: 7.5 (Slot 0 + 2, 1 + 3, etc. with random BSODs)
Score: 7.6 (Slot 0 + 1)
Hope this helps!
Happy 2012!
Peter
W520 (4284-A99)
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SAP parameters need to be changed after memory upgrade

HI,
Recently we had the memory in few systems increased by 2-4 GB. Do we need to change any SAP/DB parameters due to this change?If yes, what are they? Info: Platform is AIX/Oracle, ECC6 and BI 7.0
Regards,
Arindam

Thanks for your reply.
No, I mean the memory has been increased by 2 - 4 GB. For e.g. in one system memory was 16 GB, it was increased to 20GB. In another system the memory was 12 GB, it was increased to 14GB. What I want to know is, because of this increased memory space are there any parameters in SAP/DB that also need to be adjusted according to the amount of memory space(hardware) added?
Regards,
Arindam

Performanc​e degrades in Probook 4540s after memory upgrade

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Performance degrades in Probook 4540s after memory upgrade