AHCI Slower To Boot Windows 7 Than IDE?
Aug 2, 2012
i secure erased my SSD which was set to IDE, and re-installed windows 7 on the new AHCI setting instead.Now windows takes x2 (twice) as long to BOOT up, with the circle going round and round and round for about 30 seconds (instead of the previous 8-10 seconds in IDE.
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Jan 6, 2009
anyways, my main drive is a RAID 0 with Vista x64, but I have a second HD that is a SATA 250GB, which I installed Windows 7 on. The only way I could get install to work was to switch my BIOS to IDE mode rather than RAID. I would of course though, like to be able to access my Vista drive from Windows 7 (and more importantly, not have to switch between IDE/RAID mode at all in the BIOS, it's a pain).
Now, the one odd this about this all is that the drivers I have for Vista (x86/x64 drivers) for this mobo's RAID controller WORK when loaded on installation to identify and install to the drive, but seem to not load or not work in any way once the first reboot on install occurs. Maybe this is because I installed from within Vista x64, though.
(Incedentally, my motherboard is an M3A Asus, using ATI's SB600 for a RAID controller)
I've tried loading the drivers from within Windows 7 while in IDE mode, but the install program won't let me. At first it didn't allow because of version restrictions, but then I altered the ini file to get around that, but it encounters some sort of error when installing and quits.
Any help that can be offered, would be grateful. I realise it's a beta and not a real release, so I can get past the BSOD from my odd setup, and I really am enjoying playing around with it so far. Very very impressed.
Edit: Just in case anyone thinks of suggesting me to right-click the inf file and install that way, already tried, won't allow for it.
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Jan 9, 2010
I'm hoping you can help me unwind an annoying performance issue I've uncovered in Windows 7; one that doesn't seem to be documented at all if the Google is to be believed.
I recently upgraded my laptop (a Lenovo T60p, C2D T7200 proc, 2GB RAM, ATI X1400) with both a new SSD (an OCZ Vertex 60 GB) and Windows 7 Pro x64. Performance and stability has been terrific. Especially that sub-30-second boot time!
Initially, I had desktop composition disabled, so that Windows 7 was running without the Desktop Windows Manager. I just recently enabled it when I discovered that it's pretty damn sexy, and had little impact on battery life (if anything, it seems to have gotten better).
However, now my laptop takes much longer to boot - about an additional 30 seconds or so following the Windows login screen. When I disable DWM, it goes back to booting quickly. Now I realize you can't get something for nothing, but 30 seconds for a single process? A fairly lightweight process that you can enable instantly in the desktop environment? My hunch is that that just isn't right - something is interacting badly. Thus my questions are:
1. Does anyone know if this is normal behavior for DWM?
2. Is there anything I can do to address this?
3. Or, is there a good forum/online resource where I could post this (rather esoteric) question?
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Nov 21, 2009
Boot time slower for 64 bit vs 32 bit ? I was running 32 bit and am now running 64 bit but the 64 bit seems to take longer to boot.
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Aug 2, 2012
So I just bought myself a Crucial M4 SSD. And the guy at the store told me to make it run even faster to go into the BIOS and turn the HDDs to AHCI. So after installing Windows and playing around a bit I decided to go to the BIOS and do it. But then when the Windows sunburst comes up it crashes. What gives? I was reading somewhere else that there needs to be a registry change somewhere too?
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Apr 10, 2011
Win 7 x64 Home Premium w/Gigabyte GA-EP45-UD3P, v.1.1 (P45), works great in IDE mode. (N.B.: eSATA port is just regular SATA port w/cable as provided by Gigabyte.) Trying to install external eSATA HDD. First I enabled AHCI drivers via registry. Then I turned on AHCI in BIOS. When I save BIOS and reboot, boot hangs when DVD writer performs sniffer boot, i.e., HDDs aren't found.
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Sep 7, 2012
I have a spare pc with Windows 7 64bit professional (no SP1) on a ssd which I bought a year ago. Back then, it booted within 20sec or so. I noticed a slower boot time after the SP1 patch. So I assumed the patch slows the PC and so I went on with my life.
Now that I bought a new PC with a Windows 7 SP1 64bit professional DVD, I expected to have a slower boot time since SP1 was already added on the DVD. But to my surprise, it booted just as fast, around 17 sec on a fresh install. I rebooted and got the same 17 sec. Next, I updated the recommended patches. I did not install anything else that was optional, any MB drivers, GPU drivers, etc. Just plain recommended windows updates. Boot time went from 17 to 46 seconds. How can that be? If patches slow PCs, then the new DVD should have done so from the beginning.
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Jan 18, 2013
About 2 weeks ago, I built a new computer from scratch and gave it some pretty awesome specs, especially for my budget ($1,000). Some basic specs are:
i5-3750k CPU
MSI GTX 660 O/C GPU
8GB of RAM
a 1TB 7200 RPM 6.0GB/s HDD
a 64 GB Samsung SSD
When I first started the computer, I was able to get from boot screen (the little MSI logo for my mainboard), to the Windows 7 login screen in a few seconds. I'm not sure exactly how long, but the little windows logo that appears when Windows loads didn't even finish appearing. The 4 parts of the windows met in the middle and then it was done.However, now, after 2 weeks of installing stuff, the boot time has gone up. Slightly. It went from about 8 seconds to 10-12 seconds (estimates!). To be honest, however, the boot time was pretty much the same until yesterday, and it was different this morning. The only thing that was changed was that I installed Google Drive.Also, just so you know, my SSD is pretty much exclusively a boot disk. All of my program files and user documents are stored on my HDD, allowing my SSD to be the "windows" disk. Like I said, my boot time has always been pretty fast, and I certainly am not complaining about it now - however, I've noticed and change, and don't want it to continually get worse, so I want to try to prevent it from happening in the future. By the way, I have taken multiple maintenance measures. Yesterday I ran a full virus scan on both disks, a defragment on the HDD (I know not to run one on the SSD), as well as run CCleaner to ensure that my startup isn't too long (It went up by 1 program : Google Drive).
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May 29, 2012
I have a SSD with Windows 7 Home Premium x64. To boot off it my bios needs to be in AHCI mode. I also have Windows XP Prof SP2 x84 on a Sata2 drive and too boot off of that I need to be in IDE mode. Also when I boot into the XP drive it rewrites the boot BCD and I need to load up the Windows 7 install disk and do a repair to get back into Windows 7. While EasyBCD will allow me to fix that issue I can't imagine it will allow me to do the whole AHCI/IDE combo will it?
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Jul 14, 2011
So my desktop computer had a nasty virus or something on it, and it was originally a 32-bit Windows 7 Home Premium (as it came with the computer).To get rid of it, I decided to wipe the whole HDD and install a clean Windows 7 Ultimate. But I noticed that the boot time for computer now is MUCH slower now. Before on the Home Premium it would only hang at the "Welcome" screen for only about 5 seconds, then go straight to the desktop and I would be able to use it within minutes. Total boot time: probably under a minute.Now on Ultimate, it hangs on the "Welcome" screen for about 30 seconds, then takes another 10 seconds before I can do anything. Total boot time: 1.5 or 2 minutes.I've tried disabling some of the startup programs and ran a clean boot, but nothign wouthe boot time as fast as it was before. I know that Ultimate has a lot more features, does that explain the extra boot time?
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Jun 25, 2012
Long story short, I have shares on three PCs that are not always on. If I make a shortcut to the share and put it on my desktop, sometimes for some reason, the shortcut vanishes. I believe this is because I haven't connected the PC to the network in a while.
So, I went about and mapped those shares to drive letters. All is well, however, it adds another 45 seconds to my boot time.
Pretty sure this is because windows is trying to reconnect to them on boot, but they are disconnected. Is there any way to keep my drive mappings, but not have windows attempt to reconnect on boot?
I know that you will lose your mappings if you do not check "reconnect on login".. so, is there a way to keep the mappings without attempting to reconnect at login?
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May 17, 2012
I literally just built this today and was able to enjoy a very fast boot up speed with wim7 64-bit installed on my ssd drive but the power cable of course found a way to get unplugged from the wall and now the it takes an extra 20-30 seconds in order t boot up (at the "windows starting" ) screen. Right after I turned it back on the computer wanted to go into system repair and then it reset the pc to the back up that I had just set,
Is there anything I can do in order to get it too boot up like it was at first?
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Jun 29, 2011
I created a system image on an AHCI system, then I replaced the hard drives & re-imaged the system. Now Windows won't boot in AHCI mode, it has to be it IDE mode. Why is it not booting in AHCI mode?
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Jul 16, 2009
I have the GA-EX58-Extreme Board and have just installed the pre release of Windows 7 7600 64 bit. Normally i have experience to get the BSOD when in staling with AHCI active in bios so i change to IDE mode. Installation went flawless and also the change to AHCI mode on Intel ICH10R controler went normal.
As always i got problem to change the J micron controller to AHCI and of cause i got the BSOD again. I installed the latest R1.17.48.16 driver and tryed again but no luck. Can some tell me what i am doing wrong. ? I have a hardisk and a dvd drive attached to the J micron Sata connection.
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Feb 9, 2011
I'm trying to do a startup repair of Windows 7 x64 on an SSD but can't boot from the CD-ROM while in AHCI mode. I have set CD-ROM at the top of the boot order in BIOS but this is just ignored and the computer boots from the SSD with the knackered version of W7x64. I read somewhere that when in AHCI mode, the BIOS boot order may include "CD-ROM" but it's not the real device anymore. I tried looking for the CD-ROM by its manufacturer name in the list under Hard Drives but it's not there either.So just how do I go about booting from the CD-ROM in AHCI mode? No problems booting if I set the BIOS back to IDE mode, install Windows 7 and then do the registry hack to install the AHCI drivers, but I'd like to be able to boot from the CD-ROM in AHCI mode.
P.S. I have a Gigabyte GA-MA78GM-US2H motherboard and am using the latest BIOS version (F9D)
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Mar 31, 2012
My motherboard is a Gigabyte Z68XP-UD3 Revision 1.3, my OS is Windows 7 Professional 64 bit, my HDD is a Seagate 1.5tb, and my SSD is an OCZ Agility 3 60gb.
So i was using Intel Smart Response technology with my SSD for SSD caching, everything was pretty much working fine. The other day i flashed my bios using @BIOS without properly disabling my smart response configuration, which i probably shouldn't have done and i won't do again. When i rebooted, Intel Rapid Storage technology was acting up and when i tried to open it, it said "IAStorUI.exe has stopped working". After that, i uninstalled the program and tried to re-install it, but during the install it said "This computer does not meet the minimum requirements for installing the software." After a little research, i found out that it meant that my bios was set in IDE mode instead of ACHI mode. I am not sure what the mode was before i flashed my bios, but it was probably some sort of raid that it used for SSD caching. When i went into the bios and switched from IDE to AHCI, windows would blue screen after performing a few seconds of the boot logo. I switched back to IDE, and did some research to find out about the "Start" registry in HKEY_LOCAL_MACHINESYSTEMCurrentControlSetservicesmsahci. I switched that from 3 to 0, and windows was able to boot into AHCI mode and automatically got drivers. Then, i tried re-installing Intel Rapid Storage technology. It was able to install, and i rebooted my computer. It blue screened again on the same part of the boot logo as before. I had to switch back to IDE mode to get it working again. Then, i got new chipset drivers from Intel's website, which didn't help. The registry that i changed is still set to zero, but it just won't successfully boot with AHCI like it did the first time i changed the registry. I am very stumped and i dont know what i could do to make it work like it did before i flashed my bios. My friend recommended that i should reinstall windows, but then i would have to go through the trouble of getting everything back and i think there should be some way of doing this without reinstalling the os.
The bottom line is that windows blue screens when the bios is in AHCI mode, even though i have the registry that should fix that and that did fix it on one boot set to zero.
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Aug 15, 2011
my computer crashed last night and when I have tried to switch it on since it gives me the above message.I have tried entering setup by pressing F2 and changing the hard disk to be the primary boot device, but the same thing occurs.I have created a Windows 7 32-Bit recovery disk by downloading the iso file on my dad's pc and burning that to a dvd. I am able to load this, but when it first starts up it has a table supposed to list operating systems but it is blank and I cannor select anything. It says if my operating system isn't listed, "click load drivers and install drivers for your hard disks" but I don't know where on earth these are located and neither does google seem to.then working through the option on the menu:
-if I click start-up repair it tells me "startup repair cannot repair this computer automatically"
-if I click system restore I get an error message saying I must specify which windows installation to restore
-if I click system image recover it gives me an error message saying "windows cannot find a system image on this computer" and if I try to select one none appear.
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Apr 30, 2011
A strange problem, nothing critical, but I found it annoying that my optical sata drives will not boot from a bootable disk when in AHCI mode in Bios. If I switch the drive mode to native IDE then I can boot just fine from either of the Opitcal Sata drives.I have done some searching and found this has been a problem out for some builds/MB in the past but you would think with a new MB and Sata controller and such this would no longer be a problem.If you look at my specs you will see the Gigabyte MB. The documentation is fuzzy on the sata ports. There is a setting to put SATA port 4/5 into some kind of IDE support mode. I currently have the slots 0 - 3, used for all the drives. 0 & 1 for HDD, and 2 & 3 for the optical drives,wondering if I use the 4/5 slots for the SATA and set the bios to the 4/5 ide support if this might solve my little problem.
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Aug 25, 2010
Well in my case, performance wise it's a lot slower is it normal? For example, watching videos is real choppy that I have to set its quality to low which I didn't have to do in XP. Playing games I get lower FPS compared to XP, and even browsing through my folders can be slow at times. I've looked around for possible solutions via search and found nothing. I've also installed all the drivers including latest video card ones from nvidia.com. It can probably be because of my slow ass processor or memory, which I will update in the future, but in XP it was running quite fine.
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May 3, 2012
Windows 7 slower than xp
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Apr 25, 2009
Just went back to Vista32bit for a while... everything is so much faster! or is Windows 7 actually slower?
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May 14, 2011
Boot now takes several minutes, and I am not certain it actually finishes as I've noticed that Steam usually won't load.Firefox and Windows Explorer are so slow as to be practically unusable. The Action Center program, when activated, tells me that it has been disabled; no amount of turning it on will change this.Safe Mode works just fine; there are no performance issues there.
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Dec 10, 2011
I've made a clean install of Windows 7 Ultimate x64 and my computer starts up alright but it takes like 2 minutes to load all the programs and before formatting this did not happen (I had exactly the same programs installed).
Here are my specs:
Core 2 Quad Q9550
4GB DDR2 OCZ (Yeah I know it's a bit old )
ATI 6850
Samsung 1TB
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Dec 24, 2010
My systems specs are basically as follows:
Athlon 64 3500+
1 GB RAM
8600 GTS 256 MB
I'd like to use win 7 to make use of direct x 10 since win xp lacks the support and generally play games like F.E.A.R 2 and Modern warfare.Do you think I would be able to play these games w/o problems with better graphics and about the same speed in Win 7 (or some kind of Gamer edition like ARC)?
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Mar 24, 2011
Why is windows slower when I turn off paging?
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Feb 5, 2010
I'm dual booting windows 7 64bit and windows vista home premium 32bit.When using windows 7 the internet speeds when browsing ,streaming and downloading are significantly slower than when using vista. I've tried a couple of solutions like disabling autotuning, resetting tcp , disabling kaspersky,running in safe mode, eliminating programs one by one but nothing seems to help.
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Apr 20, 2012
if it was an OS thing or an SSD thing. I was running Windows 7 on my OCZ Vertex 3 60GB since Christmas. On the logon screen, after I typed my password and pressed Enter, the desktop loaded in 0.5 seconds to 1 second. Everything ready to use. A few weeks ago I bought an Intel 520 120GB and did a fresh format install of Windows on it. Now though, it loads the login screen just as fast as before but from the moment I press Enter, it takes anywhere from 5-10 seconds to boot to desktop. What gives? The only thing different is that I'm dual booting now with Hackintosh, but it's still on separate drives, and my Lion drive (which is on the OCZ) is the drive where the bootloader lies. Would this be what's causing this slowness though? When I do SSD benchmarks the speeds are actually on par with my OCZ so I'm not sure I can fault the drive for this one. But I don't have anything more/less installed than before.
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Jun 15, 2012
Recently I installed windows 7 sp1 to my computer. I used to have vista installed. I realized that my computer got slower after installing windows 7. I did use windows 7 before on the same computer. The windows experience index score of my processor was 7.0 and my ram was 7.2 the previous time I installed windows 7. Now they are 4.4 and 5.6 while hard disk and graphic scores stayed the same. I also realized that I can't select 4 processors on boot options. ( I have an amd phenom 9750 quad-core 2.4 ghz processor. and 8 gb of ram
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Jul 22, 2012
Additional info: Running Windows 7 64 bit Home Premium 1.7GHz, 8 GB RAM laptop I just did a clean re-install of Windows 7 64 bit Home Premium on my laptop. Everything seems to be working okay, except now I feel that it's taking longer than before to start up Windows. The windows orb would appear, it will goes blank (for a minute or 2), after that then it loads my desktop screen. Does that seems like a normal boot up time for Windows 7? I do not know the exact boot up time as of now, but I will try to time it down so I'd know how long exactly it takes to boot up Windows 7.
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Nov 29, 2011
Win7x64, all updates, 4GB, 300GB, 180GBfree, Intel i3
WLM was quick as one could want till two days ago. Don't know what happened but now changing from one folder to another takes 10 to 15 seconds. Where to start looking for the holdup?
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Mar 29, 2012
I have just bought a Acer Aspire 5735 running Vista 32 bit. It has 4gb ram and a Intel 2 duo T6400 processor. I have installed win 7 upgrade and found the performance score dropped from 3.7 to 3.4. The upgrade was installed on Vista as from the factory without any extra software. I have tried to upgrade to Win 7 32 bit but it wont accept that although the computer should be suitable.
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