Booting issue on a new installation on Acer Aspire 4752 laptop.

Hi All,
     I have done a new installation of OS on a Acer laptop stated above.  However, due to some reason, during the booting up process, it will always stuck at screen right before it enter into the logon screen. I will have to press
Enter in order to move it, as if there is a "press Enter to continue...".
     After this "enter" key, everything else works normally.  However, this is pretty annoying and I could not sent this laptop back to my enduser because of this trivial issue.
     Some other information as below:
This is a new OS and no other apps is installed.  Though now it is patched (with Microsoft patches).  But it happens since the first boot after install.
In according to Device Manager, all drivers are in place. No exclamation mark and error.
Event Viewer shows no error for the boot up.
Safemode (command prompt) shows that it is stuck at loading "classpnp.sys".
     My questions:
It will be good if there is already a resolution. :)
How to diagnose, or identify which apps actually waiting for that "enter" to move on?
     Thanks!
wsn

Hi,
For the boot issue, first I suggest you use startup repair if you have an installation disk, check if it can detect and fix some certain problems.
Or run sfc/scannow  in command prompt in recovery console, check if it can make any difference.
If doesn’t work, then try “Enable boot logging”, then check the log called ntbtlog.txt, usually located in system drive\Windows.
Advanced startup options (including safe mode)
http://windows.microsoft.com/en-in/windows/advanced-startup-options-including-safe-mode#1TC=windows-7
You can also share a screen image with us about the “stuck” screen.
Regards
Yolanda
TechNet Community Support

Similar Messages

  • Can anyone tell me how to update my bios in my Acer aspire 5610Z laptop. I installed Ubuntu Linux

    I installed Ubuntu Linux in my Acer Aspire 5610Z laptop and all was fine until the latest updates came in. I inquired about the problem and I was told that I needed the newer version of bios. My laptop uses Pheonix WinPhlash bios and I cannot make it work through Ubuntu. Iwould appreciate any help that anyone might be able to give me. The keyboard does not work correctly and the person at Ubuntu assured me that it was the bios causing the problem. My laptop originally came with a Windows Vista installation disk. Thanks in advance.Rich S.

    I had no problems with Ubuntu version 13. I started having problems with my keyboard after it upgraded to 14.04. I filed a bug / problem report with Ubuntu and I was told it was my out dated bios version 3.50. I went through hell trying to update it to bios version 3.60 but after many frustrating hours I finally ended up puting in Windows 2000 and updating WinPhlash through it. I had wiped my hard drive, reformatted it and it would no longer install Windows Vista. I can't figure that one out at all? After going through about two weeks of failure I finally got bios 3.60 installed. It did not change anything. The keyboard of the laptop worked just fine with Windows. When I put Ubuntu back it I had the same old ball game. I have to use a USB keyboard. I installed Ubuntu 15.04 (advice from my learned son) that produce no change either. Now, I had been going on the asumption that the fellow from Ubuntu knew what he was talking about since he assured me that it was a "buggy bios" version 3.50 causing the keyboard problem. I did a Google search only to find out that laptop keyboard problems are a very common thing with almost all versions of Ubuntu, especially version 14.04. I was told there is a Kernel 4.1 that may solve the problem but I do not understand Kernels very well and I fear I may mess things up and will have to start all over a again. I shall find out.

  • Acer aspire 5732z laptop problem

    hi, my name is mar and i'm new to the community. i have this issue with my acer aspire 5732z laptop. i just change my hard drive and i have to install new windows into it.i allready install windows 10 but it's not activated yet because i don't have a product key. so i'm thinking if i can still download my old version of windows and do the upgrade. i don't have the cd of my old version but i do have the product key at the back of my laptop.is there any solution to this without buying the windows 10. thank you for help.
    [subject line edited to reflect new topic]

    what was the original OS?

  • New Printer HP2540/301 Acer Aspire 1 laptop has no disk drive and an idiot user. PLEASE HELP....

    I bought myself a nice new 5240 all in one 301 printer on Wednesday.
    Since then i have done nothing but fight with it ever since.
    My laptop is an Acer Aspire one, one of the smaller ones, which unfortunately doesnt have a disk drive in it. My first thought went to downloading drivers. The web page didnt work and i realised then, that without the user manual (which i suspect is on the disk) i am totally lost.
    So could someone please help me.
    I have done a print out, which says.
    Check your HP printer network name (SSID) matches your wireless router network name (SSID) exactly.
    If they do not match exactly, run the wireless set up from the printer software to configure your HP printer.
    I am assuming this is the software on the disk. Is there a way of downloading the software from online?
    Any help would be gratefully accepted as i have no clue what i am doing atm. I am only just starting to learn how to use Windows 8 properly atm, up until now my whole computer skills hass been how to open a browser and office.
    Thank you.i should also add, i have downloaded the app too, but that doesnt recognise that there is a printer there at all.
    This question was solved.
    View Solution.

    Hi, here is the link for the driver.
    Link for the user's guide.
    Please mark the post that solves your issue as "Accept as Solution".
    If my answer was helpful click the “Thumbs Up" on the left to say “Thanks”!
    I am not a HP employee.

  • Windows Refuses to boot from 2 brand new Macbook pro 13 2011 model laptops

    I'm having the same problem.
    I bought a macbook pro 13inch 2.3 ghz core i5 base model yesterday. I gave it the normal windows partition as i normally do with all my macs and tried to install Win7.
    The installation was ok except that it took the macbook pro like 40 seconds to finish showing the Black screen with the blinking cursor .
    I then Installed Bootcamp 3.2 and restarted, it took its normal 40 secs to show the black screen and blinking cursor after i had selected windows to boot and then it restarted!
    I tried 4-6 times but it keeps giving me the same result.
    I then reformatted 4 times both the Windows and Mac partitions and tried to repeat the windows installation but it kept giving me the same result.
    A friend of mine bought his macbook pro 13 base model today and when i tried installing, it gives the same result! What is wrong?
    I then installed Parallels 6 on both laptops and immediately it booted the already installed windows partition.(*but i don't want to use parallels )
    But when i restart and hold down the option key and choose windows, it keeps giving me the black screen with the blinking cursor and the restarts itself.
    I have used 10 or more macbook pros and airs in the past and they've never given me this sort of problem.
    What is wrong???

    Having Windows on GPT and EFI; not having default OS set to Windows.
    Having boot options in msconfig set to default (30 seconds) instead of reducing to 5 seconds (if present, it may not be).
    40 seconds is slightly longer I guess for you than OS X but people with trouble are reporting 1-4 minutes. I think 40 is in normal range.

  • Will lightroom 4 work with my acer aspire 5745 laptop? its windows 7

    will lightroom work with the above mentioned laptop?
    many thanks

    I don't think anyone can really answer that at this point.  I suggest you go to the Adobe Labs web site and download the RC 2 and give it a try.  There's no registration required for the release candidate, and if that has a lot of bug fixes over the original release.  That should give you an idea of whether or not it will work.

  • Boot issues

    When I boot my computer (MacBook Pro, 15", Early 2010, 4GB RAM, 320GB HD, 2.4GHz Intel Core i5), it does nothing for quite awhile, and eventually gives me the folder with the question mark on it, signifying it can't find a startup volume. I think I know why, but this has not helped me fix the problem.
    I used Disk Utility to partition the internal hard drive so I could install Linux (Ubuntu 10.10) and dual-boot. I used Linux to reformat the partition and used one of the 134MB spaces between partitions (the one at the end of the drive) as Swap space for Linux. I installed Ubuntu, and it worked fine. I could use the built in boot manager (holing down the option key at startup) to boot into either operating system.
    That was last night. This afternoon, I booted up the computer, and it gave me the flashing question mark folder and wouldn't boot. I connected it to my iMac (20", Early 2009, 2GB RAM, 320GB HD, 2.66 GHz Intel Core 2 Duo) via a FireWire 800 cable and started the laptop up in Target Disk Mode. I started my iMac up holding down the option key to get it to look for the (possibly) bootable hard drive of the laptop. It did not find it, but displayed only the boot volumes normally available to it (Mac OS X 10.6.7, Windows 7 Ultimate, Mac OS X 10.5.8). I then shut down the laptop and proceeded to start it back up. Miraculously, it booted of its own accord into Mac OS X (10.6.7). I later booted the machine into Linux and began dinking around with some settings to get the illuminated keyboard to work. I did not entirely succeed, but the laptop was still working fine. I shut the clamshell to put it to sleep (while in Linux), and about an hour later, upon opening the clamshell, all I got was a black screen and the mouse pointer (as if it was stuck trying to get me to enter a password to unlock the screen). On rare occasions, this happens to me under Mac OS X as well, and I have usually been able to resolve it by shutting and opening the clamshell. After waiting a few minutes, I tried this, and when it failed, I decided to force shut down the machine, as I have had to do sometimes when this has happened under Mac OS X. Upon restarting the computer, I got the flashing question mark once again. I tried holding down the option key on startup, but only got a mouse pointer against a blank grey screen (like the boot loader screen, but without any icons). I tried zapping the PRAM, starting up in Safe Mode, starting in Verbose mode, holding down the x key, then Command-Option-O-F (then realized that wouldn't work since Apple doesn't use Open Firmware anymore), and also tried Command-Option-V-R, but that also appeared to do nothing. I just got the question mark folder each time (except for resetting the PRAM: that worked, but then I got the question mark folder).
    I repeated the same steps as before (Target Disk Mode, etc) to see if they would miraculously fix the problem a second time (I still don't know how they did the first time), but to no avail. I fully booted my iMac with the laptop connected as a FireWire disk to attempt to use Disk Utility on it. Disk Utility did not recognize the drive. I checked System Profiler. It recognized that there was a Target Disk device attached to my iMac, but it did not list any hard drives under it. I proceeded to boot my laptop from its install DVD, which worked. However, Disk Utility on the pseudo-OS that is on the install DVD failed to recognize the internal hard drive. I checked under the Serial-ATA section of System Profiler. It showed two connections, one for the DVD drive, and I presume the other for the hard drive, but the hard drive one showed nothing connected to it. It simply listed a few specs on the SATA port.
    I decided to boot my laptop from my iMac's internal drive. I reversed the roles of the machines, my iMac now being in Target Disk Mode, and the laptop trying to boot from its hard drive. I held down the option key at startup so I could choose what to boot from. I choose Mac OS X 10.6.7, and the machine started to boot. Just before it should have gotten to the brief blue screen before the login screen, it had a kernel panic, and the grey came down the screen and told me to restart the computer. I did, tried again, got the same kernel panic, so I decided to try Windows 7. When I selected Windows from the boot manager, it seemed to try to start up in Mac OS X (10.6.7, because 10.5.8 wasn't connected), but never got past the grey Apple icon. After a while, it started occasionally flashing a circle with a line through it, and sometimes the question mark folder, but always switched back to the Apple icon quickly. After at least 10 minutes, I decided to shut down the computer. I then tried booting Mac OS X 10.6.7 in Safe Mode. After showing the progress bar (it only got about half completed before it vanished, but it took a long time to get halfway) for awhile, it eventually successfully booted to the login screen. I signed in, and opened Disk Utility. Nothing. I checked System Profiler and got the same result I had from the install DVD. I shut down the computer, and tried to boot it normally one last time. Nothing.
    Does anyone have a clue what's going on? I can understand why the computer would be having boot issues, with my shaky installation of Linux, and all, but I can't understand why nothing will recognize that the computer's internal hard drive exists.
    I do have AppleCare for the laptop, unless I've voided the warranty by installing Linux. Should I send the computer in? (I'm over 250 miles from the nearest Apple Store). Is there anything I could do by opening up the computer (I know that would void the warranty if I haven't already). I do have a backup of most of the data, but the backup excludes some video files because of their size. Luckily, I do still have them on MiniDV tape if I have to reimport them.
    I feel like I've tried everything, but I wouldn't be surprised if I've missed something obvious…
    Thanks in advance for any ideas, suggestions or answers!

    Update 2: That successful boot seems to have been one of about four flukes. For some strange reason, my computer will successfully boot into Mac OS X and Ubuntu, but only on rare occasions. There seems to be no pattern, but every once in a while, the computer will decide to recognize it has a hard drive.
    Any thoughts?

  • Mac Pro Boot Issue

    Mac Pro - "Quad", 2 X 2.66Ghz; 5GB RAM; OS X 10.5.6
    Mac Pro will not boot. It powers up to the grey Apple logo screen. The progress circle spins for about 3 seconds, then powers itself off.
    This past week I came back from two weeks off. The first morning back I noticed my Mac was sluggish at times and freezing for a few seconds here and there. When Time Machine backups would kick in, the whole system would be unresponsive for minutes at a time. After turning off all other equipment in my office, I could detect a tell-tale "click click, spin" type noise coming from one of my two internal drives (one for OS and a second for backups).
    I tracked the noise to the boot drive and guessing it was about to go out, I ordered a replacement Samsung Spinpoint 750GB. Good thing, because the next day when I came in to work my machine was having worse problems. IF it would boot, it would hang after a few minutes of use. If it would not boot, it would power up to the grey Apple logo, the progress circle would spin a few seconds, the power itself off.
    I waited another day and the new drive arrived. I pulled the old OS drive, installed the new one, then dumped our standardized clone image on the drive (using CCC). After the clone was complete, I booted up on the drive, tested it out for a couple of hours and verified that it was working as expected. Next I copied data over to my drive from my backup drive. Everything looked fine.
    Three days later, I come in to find my Mac will no longer boot. Grey Apple logo, spinning, etc.. I power off and boot from my external diagnostic drive (OS X 10.5.5). It will not boot. I remove both internal drives and try another boot from the external diagnostic drive. It boots up fine. Shutdown. Remove the backup drive (drive bay 2) and try to reboot from the diag drive once again. It will not boot. Remove the OS drive (drive bay 1) and it boots to the diagnostic drive fine (note: no internal drives are installed at this point). Shutdown. Install the OS drive into drive bay 2 and it then boots to the diagnostic drive just fine.
    So now I have booted to my external diag drive and can see that the OS drive is showing on the Desktop; however a pop-up error stating there is a problem has appeared. I try to verify the OS drive using Disk Utility and it stops about 2 seconds into the process with a "Filesystem verify or repair failed" error. The OS drive will then not mount.
    I restart booting back to the external diag drive. The OS drive shows up on the Desktop with the same pop-up error message as before.
    I run Tech Tool Pro from the diag drive and it comes back with a File Structure error of "Type List Offset Is Invalid" and "No method for Tech Tool Pro to repair a corrupt file". I have a surface scan and drive hardware test running now, but on a 750GB it will be a WHILE.
    So here is my predicament... I can understand my original OS drive having problems. It was at least 3 yrs old and has been run quite hard. But what are the odds that I would replace it with a brand new drive running a verified to be good cloned disk image AND have almost the exact same boot issues on the new drive that I had on the old one?
    I have taken my original OS drive and hooked it up to external cases and sata-to-usb adapters to make sure that it was actually dead and it is. It will not spin up properly and makes lots of clicking noises. However, having a similar boot issue with a brand new drive has me worried something may be wrong with the Mac Pro hardware also. The new OS drive ran fine for a few days and only had these problems today.
    Any guesses?

    Here is my own "cookie cutter" template to this type of problem.
    Insure your UPS is working properly and that you have 1300VA to start with.
    Run Apple Hardware Test of course.
    CCC has been updated so make sure latest (it auto checks probably already).
    Do you have Windows? run diagnostics from there, much better.
    I settled on WD drives and use WD Diagnostic and has saved a drive.
    Avoid Barracudas, seems even their 1TB is also suffering early failures (the 1.5TB was suffering from firmware problem).
    Check for reviews and drive upgrade DB on AccelerateYourMac.
    http://www.xlr8yourmac.com/
    I know the F1 got a lot of early praise but they aren't compatible with Apple Pro RAID card and may have other issues.
    If you want a fast low-cost drive, WD Cavair 640GB $69.
    http://www.barefeats.com/harper14.html
    Hitachi E7K1000: http://techreport.com/articles.x/16130/10
    http://www.tomshardware.com/reviews/hdd-terabyte-1tb,2077-8.html
    I have seen more than a couple of similar stories from people going away for 1-2 weeks and coming home to system that won't work properly. Hopefully people shutdown and unplug, or shutdown and have UPS, but it is strange to say the least.
    Resetting SMC is a good idea but best done with 2008 model by leaving it unplugged for a full night 8-12 hrs. and not just 5 minutes. contrary to Apple tech article. For yours, there is a small physical button accessed by pulling drive tray #4 (easier to see if it is on its side and you have flashlight!)
    http://support.apple.com/kb/HT1806
    http://www.apple.com/support/macpro/

  • Problem to restore itunes data (win7 itunes) after new installation

    I made due to performance issues a completely new installation of Win 7 and  itunes on my computer (formatting harddisk, new Win7 and itunes installation as well other applications.
    I installed new itunes and wanted to import my old data (Files preference list, music, mobil applikation) I saved before on a externad harddisk.
    After itunes was installed, I copied the files described into the folderC:\Users\Fred\Music\iTunes\iTunes Media
    After starting itunes, I cant see my created playlists, and just some but not all music is available and non of the apps.
    Any idea?

    The best way is to use the backup copy of your data that you keep on a second drive somewhere.
    The application you can download from Apple.
    Downloading (using iOS or computer) past purchases from the App Store, iBookstore, and iTunes Store - http://support.apple.com/kb/ht2519 - enabled with iTunes 10.3 and newer; not available in all countries; apps, books (not audiobooks), music, t.v. shows, and movies (some - not all studios have permitted this). Movies currently available in the USA only. Downloading previously purchased movies and TV shows requires iTunes 10.6 or later.  Discontinued items not available. For items not included in the iCloud list (e.g., ringtones), or locations or computer systems where iCloud is not (yet?) available, you only get one download per fee paid.  Apple notes it is your responsibility to back up your purchases.
    Select the store on the left side of iTunes.
    Click on Purchased on the right side under Quick Links.
    You can re-download your available previous purchases.

  • [SOLVED] Card reader in Acer Aspire 5670

    I have an Acer Aspire 5670 Laptop in which the card reader was working under ubuntu (as far as i can remember), but i cannot get it to work under arch.
    iAs the wiki pages does not have any article related to this model, and trying with symilar model wikis is not getting me anywhere, i need your help, at least to tell me where to start from.
    Thanks!!
    Last edited by Xi0N (2009-02-10 00:27:59)

    I have this messages:
    tifm_core: MMC/SD card detected in socket 0:1
    mmc0: new SD card at address 0002
    mmcblk0: mmc0:0002 3.67 GiB
    mmcblk0:
    mmcblk0: error -110 transferring data
    end_request: I/O error, dev mmcblk0, sector 7700352
    Buffer I/O error on device mmcblk0, logical block 962544
    This is what i get. The card is not formatted, but i use gparted for viewing graphically the devices buut this card (4Gb) does not show up...
    Please, a bit more help.. i think we are close!!!

  • Xorg.conf Acer Aspire 3000 xinerama [request][SOLVED]

    Anyone having an acer aspire 3000 laptop with xinerama working?
    Or anyone with a "sis" driver laptop with xinerama?
    I would be very very grateful if someone could post a working xorg.conf file with xinerama working for any of the above setups.
    Been struggling all night with this and can't get it to work.
    Or does anyone know of any tutorial that works to get xinerama up and running?
    Ask2

    This xorg.conf works. Acer Aspire 3000
    Xinerama works nicely except its very very slow and locks up computer during some screen events, like moving a terminal and stuff.
    Section "Files"
        RgbPath      "/usr/share/X11/rgb"
        ModulePath   "/usr/lib/xorg/modules"
        FontPath     "/usr/share/fonts/100dpi"
        FontPath     "/usr/share/fonts/TTF"
        FontPath     "/usr/share/fonts/misc"
        FontPath     "/usr/share/fonts/75dpi"
    EndSection
    Section "Module"
       Load  "ddc"  # ddc probing of monitor
        Load  "dbe"
        Load  "dri"
        Load  "extmod"
       Load  "bitmap" # bitmap-fonts
        Load  "type1"
        Load  "freetype"
        Load  "record"
    EndSection
    Section "InputDevice"
        Identifier  "Keyboard1"
        Driver      "keyboard"
       Option      "CoreKeyboard"
        Option "XkbRules" "xorg"
        Option "XkbModel" "pc105"
        Option "XkbLayout" "se"
    EndSection
    Section "InputDevice"
        Identifier  "PS/2 Mouse"
        Driver      "mouse"
        Option      "Protocol" "auto"
        Option          "ZAxisMapping"          "4 5"
        Option      "Device" "/dev/psaux"
        Option      "Emulate3Buttons" "true"
        Option      "Emulate3Timeout" "70"
        Option        "SendCoreEvents"  "true"
    EndSection
    Section "InputDevice"
            Identifier      "USB Mouse"
            Driver          "mouse"
            Option          "Device"                "/dev/input/mice"
            Option          "Protocol"              "IMPS/2"
            Option          "ZAxisMapping"          "4 5"
            Option          "Buttons"               "5"
    EndSection
    Section "Extensions"
        Option "Composite" "true"
    EndSection
    Section "ServerFlags"
        Option "AllowMouseOpenFail"  "true"
    EndSection
    Section "Device"
       Identifier  "Videocard0"
       Driver      "sis"
       BusID       "PCI:01:00:0"
       Screen      0
       Option      "DDC"             "0"
       Option      "VBERestore"      "0"
       Option      "UseFBDev"        "true"
    EndSection
    Section "Device"
       Identifier  "Videocard1"
       Driver      "sis"
       BusID       "PCI:01:00:0"
       Screen      1
       Option      "DDC"             "0"
       Option      "VBERestore"      "0"
       Option      "UseFBDev"        "true"
    EndSection
    Section "Monitor"
       Identifier  "Laptop LCD"
       Option      "DPMS"
       HorizSync   28-96
       VertRefresh 50-75
    EndSection
    Section "Monitor"
       Identifier  "Desktop LCD"
       Option      "DPMS"
       HorizSync   28-96
       VertRefresh 50-75
    EndSection
    Section "Screen"
       Identifier     "Screen0"
       Device         "Videocard0"
       Monitor        "Laptop LCD"
       DefaultDepth   24
       SubSection "Display"
          Depth       24
          Modes       "1024x768"
       EndSubSection
    EndSection
    Section "Screen"
       Identifier     "Screen1"
       Device         "Videocard1"
       Monitor        "Desktop LCD"
       DefaultDepth   24
       SubSection "Display"
          Depth       24
          Modes       "1280x1024"
       EndSubSection
    EndSection
    Section "ServerLayout"
       Identifier           "DefaultLayout"
       Screen               0  "Screen0"
       Screen               1  "Screen1"   LeftOf   "Screen0"
       InputDevice          "Keyboard0"
       InputDevice          "PS/2 Mouse"
       Option               "Xinerama"
       #Option               "Clone"  "Off"
    EndSection
    Section "DRI"
        Mode 0666
    EndSection

  • Acer Aspire 5253 Slow with archlinux

    Hello,
    I have an Acer Aspire 5253 laptop with the following characteristics:
    6Gb RAM
    2 cpu's AMD 1.2 GHz 64-bit
    Ati radeon hd 6250
    500Gb HDD
    Archlinux use for about a year. I have used many of the other distributions
    existing linux and my experience with these has been quite frustrating.
    Gnome3 - Gnome-shell:
    The free drivers do not support for 3D and everything works quite slow. menus
    running slow and when I open more than 3-4 windows all works pretty bad.
    With proprietary drivers experience with gnome-shell is reduced to shit.
    KDE:
    Works better than gnome 3, much more fluid. The problem is that when I open several
    windows desktop becomes slow. Eg. Use GIMP and paint with the brush is
    delay between the mouse and the lines painted.
    XFCE:
    It works better than Gnome 3 and KDE but I wonder: Why use a archlinux
    laptop with 6GB of ram and a "good" graphics card if I can not even draw
    with a brush in GIMP?
    Could anyone advise me to use my laptop so that you can leverage your hardware without problems?

    What CUDA program are you running? The only software I use that takes advantage of CUDA is Blender, but I build it from source and it finds the CUDA libs just fine. What CUDA dev package did you install?

  • Firefox on android driven acer aspire one

    how can i install an firefox update on mij acer aspire one laptop with android on it. i have tried the android market but can not get any further cause the shop said no phone attached. It is no phone, its a laptop. how can i update.

    If you don't have the market on your device it can be downloaded at https://bitly.com/fennecftp

  • How to scan from my HP C 4680 printer to Acer Aspire one

    I need to scan some papers from my HP C 4680 printer to my Acer Aspire one laptop. Is that possible?

    Hi , Welcome to the HP Forums! I understand that you are wondering how to scan from your HP Photosmart c4680. I am happy to help! Scanning is different for each Operating System. If you do not know the Operating System you are using, please visit this website. Whatsmyos. Since you are using an Acer Aspire One, I am assuming you are using a version of Windows. Here are the how to guides, for each Windows version, that we have available:  Scan from Windows XP With the Full Feature HP Software for HP Multifunction Printers.How to Scan: Windows Vista.How to Scan: Windows 7.How to Scan: Windows 8.Scan Using Full Feature HP Solution Center Software (Windows 10). I hope one of these guides helps you with your scanning!  “Please click the Thumbs up icon below to thank me for responding.”

  • Mdadm boot slow to assemble drives with newer installs

    I had a problem where my raid1 installs from this year would pause about 5 seconds per mdadm entry yet my old installs from March 2014 would go through all 4 mdadm entries in less than a second. After fussing for a long time on the new installs I finally broke (slowed) one of my old installs which immediately revealed what the problem was.
    I didn't forget to pick partition type FD or FD00. I have my install sequence in a text file so I rarely forget things. I install through PuTTY pasting all the way so it's fast and mistakes are rare.
    devices of the form /dev/md/* take about 5 seconds to create.
    devices of the form /dev/md{0..127} create very fast.
    "mdadm -E --scan" always creates devices of the form /dev/md/{0..127}. In the past I was very meticulous about fixing the device names to the more compact form. I never missed so I never found out there was a substantial speed difference. I just like the the more compact look of /dev/md1 in my boot menu. Eventually I progressed to UUID and LABEL but persisted with the compact form. Then I discovered "mdadm --name" so I left mdadm do it's own thing. What could possibly go wrong?
    I also noticed that the mdadm instructions changed from using "mdadm" to "mdadm_udev". mdadm_udev seems to assemble faster than mdadm.
    To fix, boot once to see if you're slow, fix any usage of /dev/md*/* in your boot scripts or fstab, fix the form in /etc/mdadm.conf, and mkinitcpio...
    I still see that the new installs pause at udev more than old installs, but instead of 20s vs >1s, it's now 5s vs >1s, which is much better.
    Looking further I compared mkinitcpio.conf and noticed that autodetect is now installed by default. I took that out and though my list of drivers went way down the pause didn't change. Then I compared "lsinitcpio -a /boot/initramfs-linux.img" and I saw that fsck.zfs was loading so ZFS being a data drive only I uninstalled it and remade mkinitcpio. The pause didn't change.
    Now "lsinitcpio -a /boot/initramfs-linux.img" and "lsinitcpio /boot/initramfs-linux.img | sort" compare the same yet the pause remains. I know something is lying because the slow pause computer has a SAS controller and the fast pause computer doesn't, and I know that I must remake mkinitcpio when the SAS controller brand changes or it won't boot without Fallback. The mptsas driver is hiding in there somewhere. So then I unpack both initrd files and by-content compare all files with Total Commander.
    Only one difference: mdadm.conf
    I can't boot without the SAS controller so I can't check to see if that's the source of the pause. I suspect it is because I can see the NumLock blink halfway through the pause and I know the SAS controller isn't concerned with that.
    To solve this quandary I made a quickie install on a SATA only computer. I used the fast form of /dev/md* in mdadm.conf and left autodetect in mkinitcpio.
    It's fast, but there's still about a half second pause right there at udev. Out goes autodetect. Still about a half second.
    Then, back at the slow pause computer, I swapped the Marvell AOC-SASLP-MV8 for the LSI SAS2008 9211-8i. See Zorinaq for what makes this possible. The pause at udev dropped to about 1s which is only a bit slower than SATA. Not really a win since the LSI BIOS boot takes much longer. The good news is that I didn't need to rebuild mkinitcpio to change controllers. autodetect is toast and I get one more degree of freedom!
    I guess that's as good as it gets. Fortunately the mdadm --name option doesn't create /dev/md/* entries so I don't need to fix that.
    The Internet is strangely silent on this issue. I guess you're all just used to slow boots with mdraid.
    This is a bug and needs to be reported. Either mdadm scan needs to stop producing the slow form or needs to make the slow form fast.

    severach wrote:I didn't forget to pick partition type FD or FD00.
    I wouldn't use this partition type anymore. (raid autodetect is deprecated)
    severach wrote:Then I discovered "mdadm --name" so I left mdadm do it's own thing.
    mdadm --name never worked well for me. I don't see many people using it.
    I prefer a minimal mdadm.conf that only specifies the md number and UUID.
    ARRAY /dev/md0 UUID=627125a5:abce6b82:6c738e49:50adadae
    I don't notice any delays but, in my case the raid is assembled in the background while in the foreground LUKS is waiting for me to type a passphrase.

Maybe you are looking for