Lenovo yoga touchpad not working reddit windows 10. root #lspci -nn -k 00:15.
Lenovo yoga touchpad not working reddit windows 10 Mar 13, 2022 · If it did not help, go to the manufacturer's official website, download then install the latest or compatible touchpad driver. So whenever I boot up the laptop, my touchpad Dosent seem to work properly, like it works but sometimes halfway as I’m scrolling my finger across the touchpad, the cursor just fails to move and freezes. The solution was to upgrade to a new Synaptics driver made available to resolve the issue. Lenovo deceives everyone, installs low-quality touchpads and does not admit mistakes. Should work again after that. Hello, I've just received a Lenovo Yoga 9i 14", updated with the latest drivers and Windows 10 2004 updates. Neither new touchpad works in the BIOS or in Windows. Today I installed a Windows 10 update and it happened again. May I ask if you have updated from Windows 10 to Windows 11? Or you have updated your Windows 11 to the latest version? If you have updated to the latest version, please try rolling back. You also need to restart two times in this process. Here is my System Information Lenovo yoga 3 pro 1370 OS Name Microsoft Windows 10 Home Version 10. Select Scan for hardware change. lenovo. The left and right click buttons have no effect, nor does the red TrackPoint button in the center of the keyboard. I reset the Windows 10. Replacing the driver, removing the device, etc. I installed all drivers of Windows updates and tried everything you could expect (so please don't suggest enabling/disabling of touchpad from Keyboard fn Thank you u/2x_sidecar for sharing your findings, I've been losing countless hours trying to make the damn touchpad work. Ive scoured the forums and found people with similar issue but no solutions!! (P. Is it normal ? Am I the only user with that problem ? my solution is to disable "edge tap filtering" This problem has happened to me since I bought my new Lenovo LOQ 15IRH8 which came without an Operating System, and installed Windows 10 to update now to Windows 11 (I'm currently Windows 11). Unfortunately, upon startup, windows performed an update. This is the first thing I did, I googled the official drivers for the touchpad that Lenovo has out there, but because I didn't know the touchpad manufacturer and couldn't really figure out what it was either, I ended up installing all of them (ALPS, ELAN, Synaptics) separately, restarting each time in between. Hi there techies, My touchpad recently stopped working after a Windows 10 update, although a USB mouse works just fine. Open Settings by pressing Windows + I. Update: I was able to fix the problem by switching from the general Windows touchpad drivers to the Lenovo-specific ones, then uninstalling the drivers/default mouse device and then detecting the new ELAN one. But I honestly do not want to use a separate keyboard, unless I really, really have to. I did some searching and found that a new firmware update was recommended for the Yoga 6 to fix the problem. This seems to happen fairly often with my Yoga 900 and I thought since this is likely happening to other folks with Lenovo PCs, I would post the solution that worked for me: removing the latest Synaptics driver, which somehow hosed the functionality. I've had issues with this in… Steps and instructions on how to disable or enable touchpad using shortcut key or Device settings, especially on ideapad 100 configured with synaptics or elan I am using a Lenovo ThinkPad C13 Yoga Chromebook with 32GB eMMC. sometimes, when i do a 4 finger tap - The left click (physical button of the touchpad) does not work - The left click by pressing with one finger on the tactile part does not work although it is activated in the settings. The touch pad would work initially for 5 minutes or so, then lag and get worse and worse. Acces the bios and look under hardware or devices for an option to re-enable the touchpad. That is fine and desireble while I'm using the laptop in that mode (like a tablet), but when So I have a Lenovo Yoga 7i 14 with windows 11 and my touchpad is not working anymore. I have not been able to determine if there is a specific trigger for these issues. I tried to update the touchpad driver to no avail. Try to enable Automatic Hardware Driver Updates. Touchpad not working on a brand new Lenovo yoga 7i As you can read from the title, I just received my Lenovo Yoga 7i today and from the setup itself, the touchpad wasn’t working. Go to the Lenovo site, look up your device by serial number, download the relevant touchpad driver package and install it manually. Is sometimes present even after a clean OS install. Me, being bothered by this, decided to go and search for solutions online. But when I restarted it, the touchpad would work again. > Laptops > X Series laptops (ThinkPad) > X1 Yoga 6th Gen (Type 20XY, 20Y0) Laptop (ThinkPad) - Type 20XY Home I bought a Lenovo Yoga laptop that had a working touchscreen and all of a sudden the touchscreen stopped working. All of the drivers were working just fine, as this laptop is designed for Windows 11, not Windows 10. I have: Toggled the touchpad on/off setting in Windows. 0. If not a precision touchpad then go to the touchpad's custom driver's application and hunt down the settings to enable two fingers to scroll and cursor speed settings. This article shows you how to troubleshoot Touchpad or trackpad not working - ThinkPad - update drivers > Laptops > Yoga Series laptops About Lenovo. If you are not sure about this, please run Automatic Update to proceed. - The scroll by sliding 2 fingers on the tactile part does not work (well activated too) - More generally, all actions with 3 or 4 fingers do not work anymore i recently bought a lenovo ideapad 3 15ACH and I cannot seem to find the drivers for the touchpad in the device manager. does not help. I have mine set up with dual boot between Linux and Windows. upon receipt, touchscreen no longer works, right hinge removed from screen and secured to base. Hey Bumber, So I tried checking the mouse status in settings and it says that the device is working properly (even though it isn't). This subreddit is community driven and not directly affiliated with Lenovo. Laptop thinks its in Tablet mode even though its not so keyboard and touch pad are NOT working. Each time it resumes from standby, the touchpad doesn't work. During the installation, the touchpad was not responding and so I continued installing using the keyboard. Hello, I was trying to get this done and here is how I've done it on Windows 10 x64. I've updated all the drivers, but nothing. None of that worked. In BIOS, the touchpad works, in windows doesn't. Touchpad only intermittently working on my new Lenovo Yoga 7 16IAH7 - Type 82UF I've tried the common troubleshooting with deleting the driver and reinstalling it. Mar 25, 2018 · If touchpad is not working in Windows 10, 8, 7, the first step to addressing the problem is to make sure you have the latest driver updates. Feb 4, 2025 · Make sure the Touchpad is enabled. To restore it, I have to reboot or uninstall the device and let Windows rescan for hardware changes. it just doesnt work 100% of the time. Reboot. The problem is that whenever i fold the screen more than or 180 degrees to put it in tent or tablet mode, little icon appears on my screen suggesting that keyboard and trackpad are locked. Unless you slammed your mousepad several times and the stuff inside is completely shattered, I'm guessing yours is also a software issue. It just K12sysadmin is for K12 techs. I had installed, reinstalled the drivers, installed the synaptic software, done third part software, gone into BIOS and trying to find if there is anything disabled, and nothing is working. If touchpad is not working in Windows 10, 8, 7, the first step to addressing the problem is to make sure you have the latest driver updates. I managed to install Windows using RW_LEGACY with an external SSD, but the touchscreen and touchpad didn't work. I have fresh installed Windows 10 finally after much procrastination, installed all of the other drivers for the laptop without issue. What else can I do? Jan 8, 2024 · The following suggestions will help you if you find your Lenovo laptop touchpad not working. The touchpad will not work if a mouse is connected. How I managed to fix it: - In device manager, open up the "Human Interface Devices" Hi everyone I have a Lenovo X1 Yoga 2nd Gen running Windows 10. Touchpad stops working randomly. I thought it would start working after the setup so I finished setting up but after that still no luck. I've been using mouse with USB and it works fine. 18362 Build 18362 Other OS Description Not Available OS Manufacturer Microsoft Corporation System Name LENOVO-PC Hello I have a lenovo yoga c940 and I booted calculate Linux but TouchPad isn't working. Sep 5, 2022 · How to Fix Lenovo Touchpad Not Working. Jun 4, 2019 · The Lenovo Yoga touchpad is not working on Windows 10? Try the 4 simple ways in this post to make your Lenovo Yoga touchpad be available now. But I can't find the touch screen firmware for the Yoga 7i 14" (or more precisely Yoga 7-14ITL5 Laptop (ideapad). Make sure Touchpad is There are a LOT of posts about the Yoga specifically, and not just your 260 model having touchscreen issues. One last thing, I don’t know if this is relevant, but the laptop originally came with Windows 8, and I upgraded to 10. The device manager shows a yellow triangle on "HID I2C device". Click Action on the top of the Windows. 1 Serial bus controller [0c80 However the touchpad surface does not work (trackpoint and touchpad buttons work though), that is moving the finger on it does not move the mouse cursor. The fix that worked for me: Go to BIOS > Main and change Touchpad settings from I2C to PS2 then restart your My Windows 10 Lenovo Yoga's touchpad has stopped working twice. What fixed it for me was going to the Windows Update part in Windows Settings and clicking the "View Optional Updates" button and there was a list of I have a Lenovo Yoga 710-14ikb, and the trackpad isn't fully functioning. Select the Turn the touchpad on or off option (use the arrow key to move down the list and Enter to select). Once Windows booted, i then did the fn+f6 and the touchpad became active. I hate Windows 11 due to the crappier UI that takes up a much larger footprint than its Windows 10 counterpart. I attempted to install UEFI, but it resulted in the device becoming bricked because UEFI was incompatible with Mar 25, 2018 · If touchpad is not working in Windows 10, 8, 7, the first step to addressing the problem is to make sure you have the latest driver updates. Go to Update & Security, then select View Update History. If you want to post and aren't approved yet, click on a post, click "Request to Comment" and then you'll receive a vetting form. My device is a Thinkpad E15 Gen 2 for reference. ) and I don't know if that would've caused my issue, I don't use my mouse daily, so I don't remember if this problem started before or after I was messing around with things like that! I recently awoke my Lenovo Thinkpad X1 Carbon (1st Gen) laptop running Windows 10 from sleep mode and found that the touchpad has ceased to work. 2 finger scrolling works though. exe simply refuses to open (even in compatibility mode), scanned The keyboard works in the BIOS and when I turn the laptop on I can turn the keyboard lights on and off until the lenovo loading screen goes away and the laptop logs into windows. To install or update the touchpad driver, open your internet browser and go to support. After a fresh windows install, the "edge tap filtering" advanced option was on by default. Type your computer’s model name in the search box: for example, “ ThinkPad T450 ”. That's why I decided to use Windows with an external SSD. All with "fixes" and Band-Aids ranging from a simple hard boot all the way to opening the bottom of the hind to access the wiring. Computer is touchscreen so I can mostly get by, or I could use a regular mouse, but I use this laptop a lot in location where I don't have a surface to mouse on. Touchpad works fine in BIOS and Ubuntu live USB (not a hardware problem). Oct 12, 2024 · I'm really sorry about that. It's not a FN+F10 issue, since that is showing enabling/disabling the touchpad, but it is not responsive. No problems since, but to reiterate, this was after a Windows 10 update seemingly overwrote the original driver. com. And the problem is gone. But, to my surprise, the touchpad doesn't work. Once it's in windows neither the keyboard nor the touchpad work. (I stopped short of reinstalling the driver. Not only that but it's not even recognized by the laptop. If anybody knows a fix please help! I'm wondering if it has something to do with having two "mouse" inputs, the touch pad and the red dot thing. I work in the technology department of a school district and we recently got a Thinkpad (windows 10) that was having some touchpad issues. The left click and righ click button still work, but the touchpad won't detect my finger movement to guide the cursor at all. Going through the setup for Windows, the touchpad still didn't work, i used an external mouse to get me through that. Hello, i own a yoga C740-14IML model laptop that runs on windows and has been having troubles with the touchpad not working, i suspected it might have been an issue with the driver so i deleted it expecting it to reinstall on its own, but it just… didnt? Is there any way i can manually download the driver for this pc? So is libinput also the reason for Getac and Panasonic rugged tablets not registering input from the included touch-pen (which are just passive pointy sticks made to work with capacitive touch) on Ubuntu, while working perfectly well on Windows 10? ----- EDIT ----- Even when I rolled back to Windows 10, had the same issue, fingerprint reader wasn't working. It usually comes back within a couple hours (ish) but I need it to study and this is quite frustrating!! Even trying to restart the computer doesn't work, so I'm just forced to wait for it to come back :( Nov 22, 2024 · If the touchpad on your Lenovo laptop is not working, the first step to addressing the problem is to make sure you have the latest driver updates. Sent it in to Best Buy and they said the part isn’t made anymore we can’t do anything. Hi, Ive been having an issue with the touchpad on my new Lenovo Ideapad 5 with a Ryzen 4700U when installing Ubuntu and Fedora. K12sysadmin is open to view and closed to post. Watch our video to know more. I've been recently trying to play Roblox on my Lenovo Yoga Slim 7i Laptop and There were touch controls visible on my screen even when I'm not using the touch screen on my laptop. About Lenovo. What I tried so far: - Clean reinstallation of Windows. Maybe somebody will find this useful. When starting a live usb to install Fedora the touchpad worked fine but when installed (as a dual boot with Windows 10) on the PC the touchpad no longer works. - Automatic update of all drivers from Windows Update and Lenovo Update. USB mouse works fine. s keyboard and touchpad works fine in BIOS so its not a keyboard hardware issue) Any ideas?? If touchpad is not working in Windows 10, 8, 7, the first step to addressing the problem is to make sure you have the latest driver updates. Hello everyone I hope you're having a good day. and I cannot get it to work. not long ago, the right hinge locked up and I could not open/close device. I don't know if it's relevant, but I was attempting to setup wireless support for generic ps4 controllers (ended up giving up. I've tried pressing the trackpad toggle button (I don't know the official name for it) but that did nothing. Read: Two finger scroll not working in Windows. ) Then I plugged in an external mouse via the USB port. When I use the onscreen touchpad (for tablet mode) It works perfectly fine but I can't find the touchpad options nor can I see my mouse on the screen when the onscreen touchpad is not enabled. Since then I have been prompted to update the I2C HID driver, but I am not doing so until Lenovo issues an update. For anyone who has this problem, at least for my model, IdeaPad Slim 3 16IAH8 - Type 83ES, what enabled the touchpad was Intel Serial IO (SIO) Driver for Windows 11 (64-bit) - IdeaPad Slim 3 Series driver under the Motherboard devices category, despite installing it on Oct 27, 2015 · X13 Yoga Gen 1 (Type 20SX, 20SY) Laptop (ThinkPad) - Type 20SX Mar 25, 2018 · If touchpad is not working in Windows 10, 8, 7, the first step to addressing the problem is to make sure you have the latest driver updates. The track pad on my laptop does work, in case that's important to know. Installed it, turned on the computer, and the touchpad did not work. Regarding of RMA, if you are referring to sending the machine for repair, yes! t will be the same hardware. gy/3BIU0nu. Typical Lenovo. Nov 27, 2024 · Due to the latest Windows update update the touchpad on my Lenovo YOGA laptop has stopped working. Like if I don't have a mouse plugged in the cursor doesn't even appear on the screen. I finally found a fix for the touchpad, trackpoint and touchpad buttons not working after updating Windows 11 (in this case I updated to Windows 11 23H2). Since the restore, my touchpad doesn't work. I have looked on the Support page for the Yoga 7 14ITL5 (which is my laptop) and there are no drivers for the touchpad in the section where they would normally be. The only issue I have been able to minimize is issue #4. I'm writing this post due to a recurrent problem with my Thinkpad T14 in which after I put the computer to sleep (Usually through Windows>Power options>Sleep or by just closing the laptop) when I turn it on, I can unlock it with my fingerprint scanner but my touchpad doesn't work or do anything until I plug in an external mouse, not even the The same loss of two-finger scrolling was reported by customers who upgraded Yoga 3 Pro laptops to Windows 10. If its a precision touchpad go to PC Settings > Devices > Touchpad > Scroll and zoom > check "Drag two fingers to scroll" and (if needed) "Pinch to zoom". Reinstalled the original touchpad, and it worked. Our Company News Investor Relations In case you may try the steps from this link if you're using a Windows 10 pc https://lnv. Is sometimes fixed temporarily but keeps reoccurring. Could occur after Windows Update or upgrade from Win 10 to 11. Everytime I have checked the status of the touchpad, whether in advanced mouse settings within settings or the device manager, for some reason the computer thinks that the touch/trackpad is completely fine. I usually use a wireless mouse, but I noticed that the trackpad isn't responding whatsoever. Help?Please? Windows 10 Home 64 bit (clean install, downloaded the installation iso from Microsoft and ran it off a USB stick) Additional information and things I've tried: Touchpad does not show up in device manager, even with "Show Hidden Devices". Drivers from main topic dont work also. Figuring it was just a driver issue, I opened to device manager only to find that the touchpad is not even detected. Tried multiple websites and YouTube links, let's see the results and nothing working or the touchpad stops working completely and I need to roll back the driver. Both times, the directions I found online to fix the problem didn't work. I have checked the bios and the touchpad is enabled (although it does not work in the bios either). I have a thinkpad p15 gen 2, windows 11. I've already run basic diagnostics, updates, etc. Windows 11. As of yesterday (March 22, 2022), I ran into an issue where I lost my cursor in Windows and the touchpad was completely non-responsive. I recently bought a Lenovo Yoga Slim 7 laptop (around March 2021) so it's fresh out of the box. I have chatted with 3-4 technicians who were all unable to fix the problem even when I told them it was likely the touchpad driver missing again (System restore and BIOS reset). Also, make sure the issue is not hardware-related since only upper button does not work. Sometime in laptops for unknown reasons the touchpad disable itself in the bios. Please help Downloaded a fresh install from MS and booted from USB, installed on the main drive. Who has an idea how to solve the problem? Hi, today Microsoft installed the latest update on my Lenovo YOGA laptop and now the touchpad has stopped working. I have also tried to download the drivers for X13 Yoga Gen 1 but did not help. As the title says my touch pad has stopped working it was working fine then just quit, the setting tab was still there and it was on so I restarted my laptop and now the tab is gona and the pad still don't work pls help EDIT: nvm it's back after disabling my mouse drivers and enabling them, then restarting my computer it worked again I recently bought Lenovo Yoga 7i 16iah7 (12700h, arc a370m) with touchscreen. Lenovo Yoga S1 / windows 10 Problem: taps are ignored / "tap to click" not working. I've had a Lenovo Yoga C740 (using Windows 11) for just over three years now. I think its a software issue because it does sometimes work on restarting my computer, but after a few hours to days, it just stops working. Such driver issues can be fixed by installing and updating them. Require the change of the physical device - either the touchpad or the entire laptop. 11th Gen Intel chips like the one on your E480 seem to have discontinued S3 support so vendors left having to emulate it in BIOS, Lenovo seems to have a bug that prevents the touchpad from waking up after S3 sleep and that affects multiple laptops (X1 Extreme Gen4, X1 Yoga Gen4 etc etc) supposed to be yesterday i've got my L5PRO gen7 and after all the installs, I've noticed that the touchpad doesn't work (i've used mouse all the time). Occurs mostly in Windows 10/11. My problem started as a minor inconvenience, as sometimes my touchpad would stop working when I turned the laptop on. Sep 1, 2024 · I have a Lenovo yoga 7 and the touchpad will often just stop working completely. 4 finger tap to show action center doesnt work 100% of the time and no it's not the way i do it. Type touchpad. Restart your computer, go to BIOS, make sure the upper buttons work or not. After this update completed, I noticed my touchpad stopped working. If the touchpad is not working, use these steps to access Touchpad options: Select the Windows logo key + I (capital i). Your computer is set to use Standby (S3) and not "Modern Standby" (S0 Low Power Idle). Both behaved the same way. When I reinstalled drivers the issue of the touchpad and touchscreen not working at the same time because much more minimal but did not eliminate it entirely. Hope it helps! edit: Mine was an ALPS touchpad, not ELAN, but there may be a similar solution. This means that Lenovo is not willing to replace physical devices under warranty. It is advised that you use a mouse while performing these fixes. tried to download the driver from the official lenovo website but the . It's been great so far, and I think there's a lot of things to get used to, but there is an issue where my touchpad is completely dead. I've tried uninstalling and reinstalling the most recent touchpad drivers from the official Lenovo website but to no avail. root #lspci -nn -k 00:15. Another option is to use Windows key + S. This applies to wireless dongle for a mouse or a USB wired mouse and only occurs with the latest Synaptic Driver from Lenovo's website for this device. it only shows a blue circle on the animated synaptics icon whenever i do a 2 finger tap. I have owned my C930 for 2 years and never had an issue with the fingerprint reader till now. Try to clean it with cotton and air duster smoothly. In Windows, search for and open Device Manager. In both cases this reactivated the touchpad. This is how to Enable Precision Touchpad on X260 Lenovo ThinkPad in Windows 10 So I purchased a touchpad for sale online (not from Lenovo) that is identical to the one in my laptop. I tried following some instructions online, but I could not because the options they mentioned do not exist in my laptop. Tried twice even with USB recovery. The first thing we noticed: mouse wasn't appearing at all, regardless of if we were logged in or the screen was locked, the mouse pointer only ever showed up in BIOS, and we could only ever move it (with the touchpad) in BIOS. The major reason for the Lenovo touchpad not working is the issue with the drivers. Our If touchpad is not working in Windows 10, 8, 7, the first step to addressing the problem is to make sure you have the latest driver updates. 5] Perform System Restore. Functions like right click and drag and drop (among others) aren't working. 2 finger tap to right click doesnt work anymore. This article shows you how to troubleshoot Touchpad or trackpad not working - ThinkPad - update drivers. If for some reason this does not work you can do dual boot with Linux, for example Ubuntu (using a mouse) and see if the touchpad also does not work in Linux. The tech was able to remotely resolve the issue. an external mouse works just fine, but when i disconnect it, the pointer dissapears and i'm left with nothing but a not working touchpad. Feb 11, 2025 · To fix various driver issues on your PC, you will need a dedicated tool to find the freshest and the original drivers. Welcome to /r/Lenovo, A place where Lenovo owners and prospective buyers can engage in discussion, solicit advice and post pictures. 0 Serial bus controller [0c80]: Intel Corporation Ice Lake-LP Serial IO I2C Controller #0 [8086:34e8] (rev 30) Subsystem: Lenovo Ice Lake-LP Serial IO I2C Controller [17aa:3840] Kernel driver in use: intel-lpss Kernel modules: intel_lpss_pci 00:15. The problem was a missing touchpad driver. You can use PC HelpSoft Driver Updater to do it in 3 easy steps:. Use Lenovo Vantage in Windows to apply the update. It's my understanding that Windows 11 now uses precision touchpad drivers, but I'm having difficulty getting this to work. I have also looked in windows to see if the touchpad was disabled and noticed that there was no tab for the touchpad I had to restore Windows 11 on my Yoga laptop, after having tried reset three times. No change. The cursor icon also fails to appear on the screen. The touchpad worked for the first few months but recently the touchpad and buttons have stopped working altogether. I have restarted at least 10 times, and reinstalled the Synaptics Touchpad Firmware driver from Lenovo's website 4 times. So, here is my issue: I changed my motherboard on my Lenovo yoga 710-15IKB to a new one, because the original motherboard died. The fixes listed here may also help you if the touchpad problem is caused by other factors. Cursor Disappeared and Touchpad not working (Lenovo Yoga 720 13iKB) Open | Hardware The problem with my touchpad and cursor started after my computer went to sleep and upon trying to “wake it” by sliding my finger on the touchpad, it wouldn’t turn on. To add content, your account must be vetted/verified. 18362 Build 18362 Other OS Description Not Available OS Manufacturer Microsoft Corporation System Name LENOVO-PC I downloaded and installed windows 10 Light edition on my chromebook , and installed all the drivers so the keyboard etc are fine, but only touchpad dont work idk why. Since I use the laptop for school work, I might eventually send it to the lenovo repair warehouse thing over the school holidays, but I'm not too sure. When the installation was completed, I realized that the touchpad wasn’t working in Windows at all so then I restarted, entered the BIOS and realized that the touchpad wasn’t working there either. There is a vertical strip of screen that doesn’t work above this Hello world, so I would like to get some opinions on my issue. Please bear in mind that you might need an USB mouse in case this goes wrong. I have a Lenovo Yoga 7. Hey guys, I just received my brand new Yoga C740 yesterday. Does anyone have a suggestion? Thanks in Hello everyone from this subreddit, I just bought the LOQ 15IRH8 laptop and installed Windows 10 on it with all its necessary drivers from the Lenovo site. Uninstalled Welcome to the largest community for Microsoft Windows 10, the world's most popular computer operating system! This is not a tech support subreddit, use r/WindowsHelp or r/TechSupport to get help with your PC Hey guys, I just received my brand new Yoga C740 yesterday. Short of replacing the trackpad, any ideas? I've recently installed Mint 20 as a dual boot with my copy of Windows 10, on my Lenovo Yoga S740. After reading similar complaints by fellow Lenovo owners I suspected it happened after an update. Essentially, it is only working for left click. nbkgkimxqpkunvnvbwgqsggshmbtlmfasbpoutdxysiztxyppmyxgvypazvlvciwjaixdnbhpphnpqudv