Acer :: Easy Unlimited Access To Hidden PQService
Jun 15, 2008
This guide is made based on an Acer Aspire 5315, but will probably work on other machines with a hidden eisa rescue partition.
This is for everyone who has got problems unhiding and accessing the hidden rescue partition, and have tried all the methods with d2d disabling and changing partition type, perhaps with partedit32 or ptedit32, only to find out that nothing has happened after rebooting.
Download and install "Diskpart" from Microsoft, a small but powerful textbased utility, the link below is a direct download:
[url]
Here's the step by step to succeed...
Press "win + r" to bring up the run window
Type: "cmd", to bring up the command window
Type: "diskpart", a new command window pops up with a "Diskpart >" prompt
Type: "rescan", a configuration check runs
Type: "list disk", a list of the availible disks appears
Type: "select disk 0", if your hidden partition resides on that disk of course
Type: "list partition", to find out with partition is your hidden one (probably about 10 gb and without name).......................
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Jul 7, 2014
I am using pavilion 15-N 259tx windows 8.1 64 bit. I would like to know if there is any way to easily access / turn my bluetooth ON rather than going to 'pc & devices" and then turning the bluetooth ON.
there is no physical button to turn bluetooth but only the airplane mode... common guys, no one really uses airplane mode daily but bluetooth.
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Oct 29, 2008
Having already done a clean install of Vista Ultimate, and thoroughly configuring my system away from the Acer factory default, and having burned both Acer and my own recovery disks (the latter using Complete PC Backup right after the clean install), do I really need the PQSERVICE partition anymore?
If not, I'll make sure to delete it next time I clean install - when I get my new T8300 in a few weeks.
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Jul 14, 2009
My problems lies with the PQSERVICE partition. It is still there and I can see it with Ubuntu. When I attempt start up, I get the message c:ootcd and an error status message. I also have recovery cds that I have tried to to use but I am not able to boot up from them or get any sort of indication that they work , only a blinking cursor then back to the c:ootcd error. My question is if I just completely delete and reformat my entire hard drive, pay that "lovely" $20 fee for new recovery cds from Acer as I'm out of warranty, would it work?
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Oct 31, 2008
Im interested in an alternate use of PQSERVICE and the ALT-F11 D2D Trigger. I would like to put something else other than recovery software on the PQSERVICE partition, specifically a secondary OS. One that can be launched secretly by holding the D2D key combo on startup.
As far as i know, the only limitations are that PQSERVICE has to be named that, be the first partition on disk, be smaller than 5 gigs, be of partition type, be FAT32, and has to have Acer's special mbr.
So, knowing those facts, how can i get something else other than the winPE recovery software to boot when holding down alt-f11? What file does the BIOS D2D functionality look for, is it just NTLDR?
If this is the case, i should just be able to install windows on that partition, restore acer's mbr, reset the partition type to 12, and have it work as long as i keep the other parameters the same. Hypothetically, windows would boot
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Aug 13, 2009
Does deleting the recovery partition and the original OS void your warranty? Only software support?
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Sep 17, 2008
I recently bought an Acer 5610z from a family member that didn't need it anymore and it didn't come with any documentation or software save for the Vista OEM DVD. I proceeded to immediately wipe the HD and make a new install with Vista on a 20 GB partition and my remaining space reserved for programs and the like.
About 2 days later I realized I was missing space on my HD and realized there was a hidden partition for recovery called PQSERVICE. This is my first notebook and I had no idea how hard it is to find drivers and was having a hard time finding all the drivers and programs I needed (even from the manufacturer most of the drivers/utilities are for win XP).
I didn't make the recovery DVD's so I thought it might be possible to find the utilities or drivers on the hidden partition. I've unhidden it but I'm at a loss as to where to find them or if any drivers or utilities are even on it.
At this point do I even need the partition or can I delete it? I'd love to find someone with a copy of the DVD's at factory default settings but...
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Sep 21, 2008
I have a clean HDD(without pqservice) and pqservice backup in acronis on usb HDD. i try to restore pqservice with acronis boot disc, everyting goes fine, then i restore mdr with the same acronis image of pqservice. everyting work fine, with acronis disc director i can see, that i have hidden pqservice as primary, next comes NTFS partition as primary, active. but alt+f10 does not want to work... d2d in bios is enabled. how can i restore everything in order to use normal factory defaults using alt+f10?
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Nov 7, 2008
I've recently offered to help out a friend who's Acer aspire has stopped working.
It won't book into windows, but she is keen to keep her old files.
I installed a 2nd version of windows onto the machine to basically back up the whole disk using acronis true image. I've now got that image storage remotley on my own machine.
I think she bought the computer 2nd hand and never got a burned copy of the recovery disks and for some reason the Alt-F10 thing doesn't work to get into the recovery stuff (I've checked in the Bios for D2D)
I've managed to make the PQService partition visible and was wondering what was the best way to restore the machine to factory defaults. I created a CD from the STCDBOOT.ISO file, which allows me to book into the recovery manager, but all it does is prompts for the first disk/system disk.
I'm guessing that all the data required is held in the PQService partition, but I'm not sure how to create the backup DVD's that should have been done when the machine was first used.
I would image that the data is held in the 92EPIXIE.nnn files in the D2D/images directory of the PQService.
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Oct 20, 2008
started with USB thumb drives not showing in MY Computer but visible every where else, getting a drive letter etc. After abunch of investigation I finally seemed to isolate the problem to some Apple Itunes related software. I used MSCONFIG to shut off the apple updater and some other Apple Ipod related startup software. THe USB problem went away.
I decided to then do a little cleanup and get rid of some software installs, I remove Apple Mobile Device support and Apple updater as well as US service. This seemed to go well but I got a software may not work right with out a reboot so I did. On reboot I again got a software needs a reboot I did it again. Now the wierdness starts, my USB problem is gone but I now have a visible F: drive called PQSERVICE, checking with disk managment in system tools I see all my partitions but in Disk MAnagement none of them show a drive letter but all are visible in My Computer and in programs with their correct drive letters. THe machine boots fine and all files are there. I used PTEDIT and see the PQSERVICE partion has a type of 12 which from what I can find should be hidden. My Alt F10 seems to take me to the partition even though it is visble, I did not choose to restore as I really want to figure this out before I re-format this laptop. My concern is why can't I hide PQSERVICE and why are there no drive letters showing in Disk Management? I know most people want to make PQSERVICE visible but I want it to go back to the way it was. Also the PQSERVICE shows a EISA Configuration Healthy in disk Management and therefore I can't do anything to it.
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Feb 17, 2009
i'm still trying to clone my 80GB hard drive to my new 320GB drive.it all seems to be going well then i get this message Unable to Write Disk1 Sector 26881304.And it will not carry on with the cloning.
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Jan 19, 2008
I have an Acer Travelmate 6460 with Windows XP on it. I want to format my harddisk and put a Vista Business on it (no OEM).
With that format I mean complete one, including the PQService partition from Acer.
Basically I want to have an 'Acer clean' laptop in the end (I only want the drivers for the hardware, and the downloads to make the soft keys working).
Now first of all i can not delete the PQService partition (not in Windows, not in the Vista installation program after booting from dvd). That made me curious and searched the internet.
Now I've read that it is possible that after deleting the PQservice partition, you loose the MBR and can not boot anymore. I don't want to take that risk because I do not want to loose many time during working hours.
I'm a software developer, knows a fair bit of hardware but I really like some advice of some 'manual' of what to do to accomplish what I want. (If that is possible).
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Jan 16, 2009
I got my XPS M1530 about 5 months ago and everything was fine. But today, while I was playing Test Drive Unlimited, I noticed that the game began slowing down etc.. so I opened up HWMonitor (ver. 1.10.00) to check the temperatures. Here they are:
ACPI - THM_ : 90 C
CPU : 90 C (Both Cores)
GPU Core: 90
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Jul 29, 2009
my Acer Extensa 4420. A few days ago while on my laptop the BSOD suddenly popped up and my laptop shut down. A restarted it and while it did log in, I got notices saying a lot of stuff was corrupt. I ran chkdsk to see if i could diagnose the issue, and it stated the system volume was corrupt. As time went by using windows became erratic. I decided to try to restore my acer back to factory settings using the eRecovery program. This program would stop working every time right before the process began. Eventually windows stopped booting up at all. leaving my at a boot screen the endlessly looped. I installed Ubuntu shortly after, and managed to get my PQSERVICE partition recognized by the GRUB bootloader and Ubuntu itself (as a mounted drive). The problem is that whenever I do boot to the PQSERVICE partition and look through the options in the recovery center, there is no restore to factory default settings.
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Nov 30, 2007
managed to overwrite the PQService on my Acer Aspire E380. Acer very promptly sent me recovery DVDs for my model, one System DVD and one Recovery DVD. Some of what I've read here confuses me a bit, however, and makes me afraid to use these discs if I should ever need to.
To sum up my question as succinctly as I can: if PQService has been deleted/overwritten, will system/recovery DVDs issued by Acer itself (sent from the company) still function, or will they do me no good? I'm asking you guys because, frankly, my experiences with Acer's support have been less than stellar.
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Jan 10, 2009
I have an Acer Aspire 6930 and it has the easy launch button for the Arcade Utility. I can not get it to launch and I do not see it in the programs. How can I tell if I have the Arcade Utility or not even though the button is there? The WLAN and internet buttons work but not the bluetooth or arcade ones. I'v not found any answers on the web.
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Apr 11, 2009
I have had to recover my Acer Aspire 5103 laptop twice now and on both occasions the Recovery (Alt + F10 at the acer logo) did not work.
I have now reinstalled Windows Vista after formatting and partitioning my hard drive into 3 equal partitions with C and D in NTFS format using Paragon Partition Manager.
That is 112Gb of 120Gb because the recovery software is on the 8Gb hidden partition and I intend to install Linux on the 3rd partition.
how to unhide the hidden partition so that I can format it and merge it with the C drive.
I have downloaded all Vista and Acer drivers and programs so the hidden partition is surplus to my requirements.
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Nov 24, 2008
how to retrieve acer hidden partition.i accedentally delete ie.dont have backup for it,have a backup the acer factory setting but but didnt recover the hidden partition.
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Jan 17, 2010
I have an aspire 4930 laptop which came with Vista pre-installed. To cut a long story short I installed windows xp to replace this which has been a total disaster (although the system is still working). I would like to start afresh with vista so need to do a factory reset. I have no recovery CDs.
I can confirm that the hidden partition PQSERVICE is intact. I cannot however run the erecovery software from windows because it was lost along with Vista and as far as I am aware I cannot download a windows xp compatible version.
WinXP over-wrote the ACER MBR so the Alt-F10 command stopped working however I have used a live CD version of GRUB to boot to the recovery partition, sidestepping the need to restore the Acer MBR. When the vista partition boots up Acer eRecovery Management loads, however the "restore system from factory default" and "restore system from user's backup" options are both greyed out.
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Dec 16, 2014
The hard drive on my Acer laptop (Aspire V5-552) has 5 hidden partitions. One I expected, assuming it contains an image of the original set up. But what are the other 4? I list them below with what details Macrium Reflect gives;
Recovery – NTFS Primary 255.9 of 400 MB used.
Esp – FAT32 (LBA) Primary 48.6 of 300 MB used
Unnamed, unformatted primary 128 MB
C: - NTFS Primary … main part of HD 496 GB
Unnamed NTFS Primary 337.5 of 350MB used
Push Button Reset – NTFS Primary 12.56 of 15 GB used
OS is Win 8.1 and I'd really like to tidy things up ... it won't give me a lot more space, but it looks a mess and I thought you could only have 4 partitions total?
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Dec 16, 2014
The hard drive on my Acer laptop (Aspire V5-552) has 5 hidden partitions. One I expected, assuming it contains an image of the original set up. But what are the other 4? I list them below with what details Macrium Reflect gives:
Recovery – NTFS Primary 255.9 of 400 MB used.
Esp – FAT32 (LBA) Primary 48.6 of 300 MB used
Unnamed, unformatted primary 128 MB
C: - NTFS Primary … main part of HD 496 GB
Unnamed NTFS Primary 337.5 of 350MB used
Push Button Reset – NTFS Primary 12.56 of 15 GB used
OS is Win 8.1 and I'd really like to tidy things up ... it won't give me a lot more space, but it looks a mess and I thought you could only have 4 partitions total?
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Nov 10, 2008
I just wanted to know if there was a way to reconstruct the hidden recovery partition with the recovery dvds? The thing is that when i bought the notebook I noticed the partition and thought it was just garbage(how fool), so i totally erased everything, the good thing is that i made the recovery dvds with Erecovery before that.
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Apr 26, 2009
I made a backup of "something" after the software first installed itself. The set is 2 DVDs for Vista Home Basic.
But what did I really back up? Was it the C drive or the hidden partition?
I ask because, after a number of changes to the C drive, I want to take another backup.
If I use eRecovery, what will I get in the backup?
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Apr 22, 2009
Can the C drive be enlarged?
Can the hidden partition be emptied and made "visible"?
My laptop is rather new, and I noted that the C drive was pretty full already. I deleted many software items and added other software that I needed, but there isn't much left anyway. The D drive is largely empty however. Can the C drive be repartitioned? Is any special software needed to do that?
The hidden partition seems not to be of much use after one has made the 3 DVD factory default backup. Can it be deleted? Made Visible and used for something else?
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Jan 29, 2015
When I bought my Aspire 5733 laptop about 18 months ago it came with a hidden partition built in now I cant remember what the partition was called or how to find it .
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Feb 9, 2015
I got a virus somewhere along the line. Every time I do a factory install it's never right. Can the hidden recovery partition become corrupt? If so, how do I wipe my hard drive clean so I can use the "Completely Restore Coomputer to Factory Default" setting?
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Oct 11, 2014
Got a Aspire one 722 from mom-in-law. She didn't use it much. Sticker says I have a 320GB HDD but Properties only show 284 GB. How do I recover the lost HD space?
I discovered the space holds MS Office but I can't access Office without purchasing it which I have no need for so this is just a closet full of stuff I don't want and apparently I can't use the storage space either.
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Jul 21, 2009
Use a Dyson. Just add the slim attachment to the hose, and run it along the air vents. Worked for me a few month ago when my fan stopped running altogether, and saved me the job of having to open up my laptop.
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May 14, 2009
I was doing uninstall some programs that I never use anymore and found HP Easy Setup - Core I dont know what is it for and unable to uninstall it...something prevent it?
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Mar 18, 2009
if the Sony Z/SR laptops are easy to upgrade? Sony charges by the limb for RAM/HDD upgrades... $200 for 120gb to 320gb on the Z540. So would stuff like that be easy to upgrade?
Also, anyone tried replacing the Centrino core with a C2D?
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