Dell XPS 17 L702X :: How To Enable UEFI Booting
Dec 8, 2011
Is there any way I can enable UEFI booting? I've found out Windows 7 supports it (with GPT disks as well) and Windows 8 is going to use it. This is also very useful for fast booting and Linux works very well with this (I know you don't support Linux). The main reason is so that I can have more than 4 partitions which is only otherwise possible using Extended partitions which don't play nicely with installing Windows on them. If there is a firmware I can test which may not be fully compatible with BIOS booting, I'm willing to use it as I don't need this feature at all. I also noticed there was a disabled option in the firmware provided which allows you to press F11 to boot into an UEFI shell, is there any way to enable this too?
My charger end keeps on falling out of my laptop and is very loose. How would I go about getting this fixed?
The A12 BIOS seems to keep my fan constantly on (only just on though). Was there something that was changed in the firmware to cause this?
Some people have reported having the BIOS versions A13 and A14 installed on their new L702X machines. What are the changes in these firmwares and are they for specific configurations?
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Oct 28, 2012
Yesterday I flashed the firmware of my XPS L702X to version A19, which enabled UEFI boot mode. I decided to go ahead and try to install Windows 7 in UEFI mode on a GPT disk. Installation succeeded, booting failed however. Then I read a message on the web from someone who succesfully installed Windows 8 on the same machine in UEFI boot mode on a GPT disk. So I decided to try Windows 8 instead. Installation failed. Using the recovery menu from the Windows 8 installation media, I wanted to try and see how far installation had come and more or less accidentally selected in some "Advanced options" menu to reboot to my USB flash drive (where the Windows 8 files were on). Rebooted fine. Then I shutdown, using the regular option.
When I turned on my machine again, I found out that pressing either F2 or F12, for the firmware setup and the boot menu, respectively, didn't work anymore. The firmware recognised my input, as the text in the lower right of the Dell splash screen became lighter, but instead of entering setup or the boot menu went straight ahead to boot my existing and working Windows 7 installation on my first (MBR) hard drive instead.
So, in short, I am locked out of setup and the boot menu. I have already tried reflashing the firmware, but without any luck. What to do now?
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Nov 10, 2014
I have a Acer Aspire E5-511P with bios Insydeh20. On UEFI it does boot USB-drive, even with passwords set. It boots on USB-drive with legacy set, but now my Wifi doesn't work. On older laptops no issues with UEFI, I just had to set boot order. And Wifi works just fine.
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Sep 16, 2012
I have a brand new z510 notebook, and I need to do a clean install of windows 8.1. Problem is that I can't seem to boot from CD or USB. I have entered the bios, and although the DVD rom drive works, and it shown correctly in BIOS, it does NOT allow me to add it to the boot list. Also, there is an option called 'Boot From USB' I enable that, and still the USB boot does not show up in the boot list. The only thing I have in the boot list is the 'Windows Boot Manager' and it lists the name of my drive.
I thought that maybe secure boot was the issue, but I tried disabling this, and is still doesn't let me do what I want. I just paid $800 for a top of the line laptop, and I can't even boot from a cdrom. Every computer I have had since the 1980s have allowed me to do just that without trouble.
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Dec 12, 2014
I have a Dell XPS L702X that I bought June of 2011. It has been working fine up to this point. I ended up replacing the battery but other that that it has been a dependable champ.
Today I upgraded the video drivers. I fired up World of Warcraft and was checking out the new settings when the laptop just shut down. I tried the power button but nothing worked.
I unplugged it from the wall, removed the battery and pressed the power button for ten seconds. I put the battery back in, plugged it back into the wall, still no power up.
The wall socket is good, the power supply is good (i get the glowing LED at the end of the power cord) and (as stated) the batter is practically brand new (got it a few months ago)
I'm guessing power supply or motherboard failure. If this is true how much am I looking at to get it fixed? or am I better off buying a new laptop?
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May 9, 2014
I have a Dell XPS 17 l702x 3D model. I hve been having issue on sleep mode for the past few weeks. Whenever I put it in sleep its fine, however when I press power button to wake up from sleep I get blank screen. The power button lits, the hard drive spin for a sec then stop and screen stays blank. Only way to get out of that is to force shutdown and restarting. Its same when hibernating, fails to wake up.
On a side note BIOS is upto date and my laptop is still under warranty.
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Nov 14, 2014
I have DELL XPS L702X laptop and I've used my DVDRW-ROM before couple of times but when I tried to use it today it didn't work.
I checked my device manager and saw this: (driver device has been disabled. Code 32)
I tried to update driver automatically then to download drivers from dell.com page but it didn't work. What I have to do in this case to get my DVDRW-ROM working?
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Apr 30, 2011
I recently bought a XPS L702X. When I boot the pc and when I start typing, I sometimes get a beep sound for every single button I press on my keyboard.It's about 50% of the time honestly. Sometimes I can boot the pc, start typing for 30 mins and I hear no beep. But sometimes I start pc and first hit on my keyboard immediatly gives a beep sound. Also it could just start in the middle of a text I'm typing and end 3 sentences later without me doing anything about it.some people say to check bios and turn off things related to keyboard sounds.I checked that but I couldn't find it and the things I found about my keyboard in bios were not changeable.
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Feb 5, 2015
I have recently been completely unable to access the set-up area of my bios on my Dell XPS 17 L702x laptop. On booting, i keep pressing the F2 key which seems to be registered by the BIOS as the text that says 'Set-Up' lights up. However, instead of entering the setup, the BIOS simply continues booting my operating system. Even if I remove all of the hard drive's, I cannot enter the set up and the BIOS boots to the PXE Setup.
I have tried reflashing the BIOS but nothing changes, the set-up is still inaccessible. I can't even change the boot order using the F12 key.
I really need access to my BIOS and I am all out of options.
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Mar 5, 2013
As result of completely frozen laptop when trying to copy a very large file (~17GB) - a georeferenced raster image - to an external HDD (connected to USB 3.0 port), I had no other choice than to shutdown. After reboot, I discoverd that some Windows services are not working and boot time is over 20 minutes.
I went to the IT store from which I bought the laptop ( the 2 years warranty is available till november this year) and they reinstalled the system. Of course, they did not reinstalled all Dell system applications.So, because the end of warranty is close, I want to know which are the steps for completly (fresh) reinstall of Dell XPS L702X laptop (windows, driver and Dell applications). I always reinstalled 5 times my desktop ( Win XP Pro) with no errors encountered so I think I might have some skills.
And another question : after this problem, I discovered over the Internet that is a "Reinstallation DVD DELL XPS 17 L702x 6.1 Windows 7 Home Premium SP1 X64" that I did not find in laptop case when I bought it (only drivers CD was in the case). In fact it was a 15" case, not the origina 17" case....what can I say.... Romania......So, I have this driver CD and Windows 7 Home Premium SP1 DVD. Is is enough for clean and complete reinstallation? What are the steps ?
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Feb 5, 2013
We got our laptop April of 2012 and started using it daily in August of the same year. As soon as we started using it the random BSOD started popping up then the computer shuts down. Upon startup after BSOD the computer seems perfectly fine except for a message that pops up saying two things didn't load (I'm not sure of those right this second but can post them in a few hours) and I'm not even sure if that's related to anything because it mentions something about Apple..
Anyways. Yesterday I started running diagnostic tests as recommended in another post on this forum, everything passed. After that I decided to run the tests given on the symptom tree and it's almost done with a majority of those that I noticed were issues. Everything is passing so far, even the Windows Blue Screen test (I think it's called).
We have two different forms of virus protection so I don't think it's that but then again I'm not a computer wiz. We also noticed the touch screen has started being erratic - while you're doing something the cursor/mouse will randomly move to the right side of the screen without moving. I hope this all makes sense. We're still under warranty so we can send it in but I wanted to make sure it wasn't anything we couldn't fix easily.
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Feb 22, 2013
I have a XPS 17(L702X) with Window 7 Ultimate 64 bit and am in the middle of a Dell support issue regarding the Nvidia graphics card.
Dell support have requsted I run diagnostics from the "one time boot menu" (I have run this before on other laptops but my problem here is.
Dell supports says tells me "Immediately press the F12 key once every second until ?Preparing one-time boot menu?, Shows in the upper right corner of the screen."
However all I get is "Boot Menu" (With options underneath) in the centre of the screen. Is this the same thing?
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Apr 14, 2013
Problem: Chucked a hot sugary drink over my DELL XPS 17 L702X laptop (accidentally!)
Actions Taken: Mopped up quickly and let Laptop dry out.
Initially Laptop booted and I managed to email 2 important documents to myself (must be more religious with my backups).
Laptop started making a whirring noise (Hard disk problem?)
Keyboard "interesting" and will need replacing
Rebooted laptop and get to Blue Boot Menu
Perform Diagnostics and get the warning (!) No Hard Drive Detected - all other tests (including memory) PASS
Have tried booting from my restore disc - but, unsurprisingly no Hard Drive Detected
Have removed Hard Drive and carefully and gently cleaned with cotton cloth
Replaced - same problem
Have tried Hard Disk in second HDD slot - same problem.
My plan is to buy a new Hard Disk (along with a Key Board)....
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Apr 8, 2013
I am having a major issue with my Dell XPS L702x laptop at the moment, in that it cannot boot up at all, rendering it completely unusable.
When this first happened, the laptop used to progress through the dell screen, the 'starting windows' screen, and then just hang at a blank screen, or with a blank screen with the windows 7 background and a mouse cursor. This happened in both normal startup and attempting safe mode.
I have tried starting in best last known configuration, resetting the bios to default settings. I eventually got startup repair to work, but it didn't do anything, nor did system restore.
I run diagnostics, and receive this error right at the beginning of the test:
ERROR CODE 0146.
Msg: Error Code 2000-0146
Msg: Hard Drive 0 - self test log contains previous error(s).
I continue the diagnostics and everything else passes okay.
However, now when I try to boot my PC up in normal or in safe mode, I get past the dell and windows startup screen and instead of the hang I simply get a blue screen error:
BAD_SYSTEM_CONFIG_INFO.
STOP: 0x00000074
I have also had the blue screen errors c000021a, and 0xc0000221. But primarily am now getting the bad_system_config_info every time.
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May 1, 2013
What is happening with the laptop, sometimes I noticed my laptop screen will flicker(or a bright flash as if someone was taking a picture). When I go to the event viewer it tells me Desktop windows service manager has been disabled by the windows system assessment tool. I'I have the nvidia graphics card + Intel(using optimus technology),running windows 7 professional 64 bit.
I forgot to mention when playing videos I think the graphic card makes a strange noise like there isn't enough power or something (Not 100% sure)
I have nvidia gt555 with intel Optimus
Intel 2670m
8GB of RAM
Windows 7 professional
I tried to do a fresh install of windows 7 but the problem still persists and I cannot test it since I have deleted the recovery Drive. How do I test if the graphics card is working properly
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Nov 19, 2014
Because I had a minor problem with my laptop (since a couple of weeks it was always starting up in manufacturing mode) I decided to update my BIOS.So I downloaded the BIOS-update A19 (currently I was running A11) and followed the instructions to install it (power plugged in, shut down all applications, removed all peripherals).
Everything seemed to go fine: the computer restarted, came in BIOS and did all update tasks, but then at the point that normally Windows should start. I got stuck on a black screen and my fan blew at maximum speed.I left it running for about 5 minutes in the hope it would come back but it didn't. So I decided to try to shut down the system. This was not possible by holding down the power button. The only way was removing the power cord and battery.But after this incident my laptop is completely death. Does this mean the motherboard is completely wasted?Because I’m out of warranty it is not even possible to open a support request for it on the Dell support site.
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Feb 23, 2013
I have been occasionally getting a BSoD saying Driver Power State Failure on my XPS 17 L702X. Sometimes, I am able to log in without the blue screen appeearing, but the browsers crash in a couple of minutes and I have to force shut down the system.
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Mar 30, 2013
I have a dell xps17 (l702x) laptop recently had a problem with it , that is it wouldn't start up and when i turn it on after 2 seconds it would just crash , so i changed the motherboard , processor and and it fixed the problem to some extent .. now my problem is i that when i turn on it loads to a certain extent then when it reaches the windows start-up logo it would just crash and restart again . so i tried the diagnostic test available by pressing F12 it dint show any problem .. looks like my windows got corrupted due to the sudden crash earlier
I tried to boot from the windows repair disc but it wouldn't boot ( i did change the boot up to cd / dvd) then i tried to boot up from the windows 7 disc , it would say "press any key to boot from cd or ddvd " after doing so it would load the files and and crash again at windows start up . i even tried the safe mode option . it wouldn't load it completely and get stuck , i tried to restore to the last good backup it would still get stuck at windows startup .
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Mar 2, 2012
I have had this model for about 2 weeks and the bluetooth was working fine on setup, although now when I try to connect to my phone even though I had already added my phone as a device it seems to have been removed and the bluetooth just will not find any devices whatsoever. Previously my phone would find the laptop under the name I had given but now when finding it, it comes up as PC Controller App v1.4. , but still no response on laptop. I have run a diagnostic on the wifi and all seems to be ok.
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Mar 6, 2013
about the last week now whenever I play games such as WOW and Far Cry 3 It will start off fine and about a minute - 2 minutes later the game will start to slow down right to less than 1 frame a second I also get keyboard and mouse latency when this happens, and when that starts happening my computer will unexpectedly shutdown.I have the latest driver for my GPU, My computer doesn't feel hot at all when this happens which makes me think it might not be an overheating issue and it only happens when playing games, I can do video editing and rendering just fine along with all the basic computer uses such as file transfer, watching videos, listening to music and browsing without any problem. I pulled my Laptop apart thinking it might just be dust build-up and their was a fair bit of dust clogging up the air vent along the side of my laptop, I cleaned that all out and the air started flowing better from the vent. Thinking that was the problem I turned my laptop back on and it done the same thing while playing games.I'm not sure how to tell If it is a heat issue because there is no separate fan for the cpu or gpu and I can't get temperature readings because my computer slows down too much and then shuts down.Computer Specs:Dell XPS 17 L702x
Windows 7 Home Premium x64
nVidia GeForce GT 555M with 3GB of vRAMIntel HD Graphics Family 2nd Generation, (the GT 555M is set to default though) 6GB DDR3 [PC3-10600] RAMIntel Core i7 2670QM @ 2.20 GHzMB: Dell Inc. 0XN71K FAB1, I'm not even 100% sure if it's the GPU because my system doesn't feel hot when my Laptop shuts down.
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Jul 23, 2011
I just bought this laptop. It's been 1 week and I was playing a game then I saw blue screen and forced to reset my computer.After that I couldn't start Windows 7. It stuck on startup repair and can't repair it somehow. I tried everything but noting is working. I tried to use the Dell cd for factory settings but still can't use windows after the first install. I am going to copy my problem signature. Is this Virus and what cause it?
Problem Event Name : StartupRepairOffline
Problem Signiture 01 : 6.1.7600.16385
Problem Signiture 02 : 6.1.7600.16385
[URL] .....
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Jan 12, 2015
I have a XPS 17 (L702X) laptop and recently updated the OS system to window 8. I haven't had any problems until I went to burn a dvd. The HL-DT-ST-DVDRWBD CT30N now say it is a cd drive only and can not burn dvds. I have never had this problem before. I tried updating the driver through the control panel and it says the driver is up to date. It also shows no restore points in which I can go back to when it was working properly.
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Jun 8, 2012
My problem is that the laptop is getting extremely hot on the left side of keyboard during any games i play, even older games. I literally cannot rest my left hand to use keyboard as it is frying it.
When i initially bought the laptop 4 months ago I could play those games and the case (keyboard area including) would stay perfectly cool. I had even played need for speed hot pursuit new with full graphics and laptop was cool.
There is a definite massive difference in case temperature between initial month or so and recently.
HW monitor program recorded temperatures of 85 degrees max for i5 processor, and around 72-78 degrees on graphics card during game play on a variety of games old and new.
Worth to mention that during other lightweight activities, such as surfing etc the laptop is cool.
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Feb 15, 2013
Today my battery charging stopped working properly.
It does charge (or seems so) but it takes about 5 hours for each 1% percent.
The battery is the 9 cells one and the charger is 150 w.
The battery wage is at about 50% but it was charging as fast as always until today.
Things I have already tried:
- Charger is recognized by the BIOS as a 150 w charger.
- The laptop works without the battery (with the charger plugged in, obviously).
- Reflashed BIOS (version is A19).
- Recalibration of the battery.
All the warranty periods are over (both laptop and battery). Is it possible that I need a new charger even though the laptop is working without battery? Could I need a new battery?
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Apr 4, 2013
I've had my XPS 17 for a week and have run into problems. Initially, I had no problems but two days after owning the machine, picked up the first: I opened up the laptop lid and was met by a message, the gist of which was 'Windows has recovered from a blue screen error' . I rebooted and put that message in my 'lets wait and see if that happens again' memory bank.
Things went well after that until I tried installing and using a game, which would have been the first time I'd used my GT 555M graphics card in anger. Installation went well but after starting the game, the screen started flickering, messages started appearing in the bottom right hand corner of the screen saying 'graphics has malfunctioned but recovered', or something to that effect, then the laptop crashed.
I tried updating drivers (I'm 100% sure they were compatible with my card) and this made my laptop even more unstable, throwing freeze after freeze, blue screen after blue screen and refusal to boot or shut down at me.
I decided to start from scratch and did a complete factory settings restore and upon first switch on (the laptop does it's 'setting up for first use' routine) was met with a blue screen error. The error details were as follows:
Problem signature: Problem Event Name: BlueScreen OS Version: 6.1.7601.2.1.0.768.3 Locale ID: 2057Additional information about the problem: BCCode: 116 BCP1: FFFFFA800BF95010 BCP2: FFFFF8800F438EA8 BCP3: 0000000000000000 BCP4: 0000000000000002 OS Version: 6_1_7601 Service Pack: 1_0 Product: 768_1
The laptop then rebooted itself and seemed to run just fine. I checked the device manager and it appears windows has shut down my GT 555M card as it was reporting problems.
I ran Dell diagnostics prior to the full factory restore and beside the fact it didn't pick up the GT 555M (it did test the Intel HD3000 and that was fine), it said all was fine.
I have just rerun the diagnostics after the restore and it seems the DVD drive is now having issues too:
OPU Test - not supported
Spindle Test - not supported
Tray Out Test - not supported
My machines details:
Model Dell System XPS L702X
Operating System Microsoft Windows 7 Home Premium Edition (64-bit)
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Apr 22, 2012
I just purchased a Dell XPS 17. The problem while playing video game is, that randomly the sound starts crackling for 1 or 2 seconds and the screen freezes with it, or the FPS drops down to 5 or lower.
I thought it might be problems with the fan on the laptop, or the AC adapter doesn't give energy for the laptop so it chokes down? It mostly happens, when the laptop gets pretty hot.
Also I tried to contact the Dell customer service, but it says i purchased the Laptop in the United Kingdom, which I didn't. I used the Dell Customer service from the U.S. and used the chat without any problems. When i try to E-mail them, it gives me an error, that it cannot read my system components (I don't remember exactly what it said, might be something else, but it was an error).
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Aug 28, 2012
Many of us have brought Dell XPS 15s (L501X) an year ago - they are working great.
However all recent laptops now are coming with UEFI as default, with a legacy fallback option.
I believe current bios (A08) is actually a locked version of Phoenix Tiano Core UEFI.
Does dell have any update or is at least planning to launch one soon?
We need it for full functionality of Windows 8 and get it boot from gpt..., otherwise l501x is a powerful enough machine with i7 & a hot nvidia gpu.
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Feb 4, 2013
My XPS L702x recently slows down when i play video online or play game. My configuration is: i7 2630QM, GT555M, 6 GB.i played video online and played game ( Skyrim, COD, A.V.A online) smoothly. But for 2, 3 months ago, my laptop slows down and spikes very much. When i watch video online, the screen will freeze 3 to 8 seconds but the sound is still playing. And all games that have run smoothly before, now they lagged too much, for example in Skyrim, when i start a conversation with a NPC, the game will freezes 2,3 seconds, and in the combat it freezes everytime when there's a sound is played (i.e screams, sound of sword slashing, footstep).
I have Microsoft Security Ess, no Semantec, Kaspersky, Norton ... And i have re-installed the Win 7 ultimate, but nothing is fixed, i've updated all my drivers, BIOS, Graphic card, sound card, wifi.i can't do anything with my laptop now, even opening Google Chrome is not easy. I'm really stressed.My battery is broken, i use my laptop on AC adapter only, perhaps this is the cause but i don't think so. Because i have a HP Pavillion and the battery is out too, but the HP is not slowing down.
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Jan 28, 2013
Recently the optical drive on my XPS L702X laptop has randomly started opening itself for no reason at all, and the button to open it on the drives face plate does not respond either.
This has started happening just a few days after the warranty has expired so i'm hoping its not broken but it seems doubtful if i'm honest.
Also the connection for the power lead is extremely poor and the slightest movement causes it to fall out, i've searched around and it seems to be a fairly common problem on these laptops but i haven't been able to find a solution as of yet.
What with already having 2 failed hard drives and now these 2 new issues, it sure doesn't seem like dell laptops are made to last anymore.
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Apr 27, 2013
Blue screening regulary over past 3 weeks, albeit in random pattern. Removed recent programs just in case. Just ran dell test and it failed on System Memory - Advanced Pattern Test. Whether blue screen and system memory fail are related.
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