iFixit - Answers With Device "Dell Precision"

Dell Precision m4700: Reset BIOS administrator password : M4700 Dell Precision

Sat, 23 Jan 2021 22:34:17 -0700

Please help me to reset the administrator password. The device is M4700 Dell Precision. System Number: B3PGRY1-6FF1.

⟐ Commented January 23, 2021 at 22:34 MST

Dell Precision M65: How to repair it

Sun, 13 Sep 2015 08:59:12 -0700

How do I repair my laptop when it has gone into to six different screens.

⟐ Answered September 13, 2015 at 8:59 MST

DELL Precision M4500: How do I unlock a BIOS password on Dell Precision M4500?

Thu, 07 Aug 2025 00:43:11 -0700

I need to unlock a BIOS password on Dell Precision M4500 laptop. The model # on the bottom is PP30LA, the Service Tag is G7QNXN1-1F5A and the Express Service Code 35296567309. It will not even let you go to BIOS without the password, states that the computer system is locked and it will not allow access to anything without the password. I have been browsing and have seen some suggestions about a jumper that is used on some models to reset or remove this password but I have yet to find it. Can anyone help? Thank you for your time. Have a Good One! Love, Peace and Perception

⟐ Answer accepted August 07, 2025 at 0:43 MST

Dell Precision: Slow Performance without proper Power Adapter after update on M4800?

Tue, 29 Mar 2022 00:16:39 -0700

Intermittently, since I purchased my laptop 3.5 years ago, I have noticed a problem where I plug in my official Dell 180W power supply into my Dell Precision M4800 laptop, and the Dell software would inform me that the power supply wasn't recognized and that it was under 150W. But, this usually resolved itself after a few minutes, or else I could unplug and re-plug the power supply and everything would be fine.

The bad news when this bogus error happened was that my CPU clock was slowed from 3.5 GHz to 0.35 GHz (a factor of 10!), which essentially made the PC nearly unusable.

A couple of weeks ago, my laptop underwent a software update, and now 9 times out of 10, the official Dell 180W power supply which was shipped with my laptop directly from Dell is incorrectly recognized as being unknown and under 150W.

This is clearly a software error on Dell's part, because it started occurring immediately after the software update and doesn't resolve by itself any longer, and also does not resolve by unplugging and re-plugging the power supply.

I would really appreciate it if someone at Dell would read this post and actually look into getting this problem fixed. I am not the only person who has experienced this problem, as there are at least 2 other posts (and multiple responses) from as far back as 2014 with a similar issue. As a pointer of where to look: in the communication between the laptop power drivers and the power supply, either the drivers or the power supply is causing the problem. It shouldn't be too hard to modify the driver software to properly handle the situation and avoid this debilitating roll back of the CPU clock speed.

As one other poster pointed out: the M4800 is only drawing 35W, why, then, do you need a 150W minimum power supply attached to the bloody machine?? Maybe the battery can't be quickly charged with a 50W power supply, but surely the clock speed doesn't need to be cut by a factor of 10 in even that extreme power situation.

Sheesh, guys, it's a Dell laptop, a Dell power supply, and Dell software: it certainly seems like there can't be any finger pointing at some mysterious 3rd party misbehaving and magically causing this problem with Dell having zero ability to do anything about it. Seriously, can't you get this right?

⟐ Commented March 29, 2022 at 0:16 MST

Dell Precision M4400: Unable to get by BIOS Password

Tue, 21 Oct 2025 04:40:12 -0700

Bought a Dell M4400, understand it was a government computer. It appears to have BIOS passwords that prevents it from booting at all. It asks for a password when powered on. BIOS password removal tools do not work because the password prompt appears before the machine can boot from CD, etc. I've tried removing the battery for 5 minutes, and several other suggestions. I'm not very experienced with laptops and at a loss with one. I would appreciate any ideas. Thanks!

⟐ Commented October 21, 2025 at 4:40 MST

Dell Precision M65: How do I unlock a BIOS password on Dell Precision M65?

Wed, 22 Nov 2023 22:22:39 -0700

I need to unlock a BIOS password on Dell Precision M65 laptop. The model # on the bottom is PP04X, the Service Tag is JY7NLB1 and the Express Service Code 43427572381. It will not even let you go to BIOS without the password, states that the computer system #JY7NLB1-595B is locked and it will not allow access to anything without the password. I have been browsing and have seen some suggestions about a jumper that is used on some models to reset or remove this password but I have yet to find it. Can anyone help? Thank you for your time. Have a Good One! Love, Peace and Perception

Wizard

⟐ Commented November 22, 2023 at 22:22 MST

Dell Precision M4600: Screen Flickering when start from Cold

Sat, 03 Sep 2022 21:58:05 -0700

Dell Precision M4600

My Laptop Screen flickers with fuzzy pixels when it start from cold and still flickering until it warm up then i should close the lid and open it again to disappear and back to normal state.i attached external monitor to check if this from graphics card but external monitor worked fine without any problem.i want to know if this problem from the screen itself or problem with the motherboard?

this video show how it`s flickering.it`s not my laptop but just for clairfying the problem.

https://www.youtube.com/watch?v=ctHn8P-2...

Thanks in Advance.

⟐ Answered September 03, 2022 at 21:58 MST

Dell Precision 5560: stripped screw and I dont have power tools. (dell precision 5560)

Mon, 29 Dec 2025 10:35:16 -0700

so lately i have noticed that the screws get loose and literally fall off my laptop. figured i could just screw it back in but i only had flathead screwdrivers. i had to work with that. specifically only two screws kept falling and at this point its 5 to 6 times. so i figured ill just buy some new screws and remove all the old screws and put in the new one. but i could only manage to get 6 out and two were very stripped and screwed in very tightly (completely unrelated 2 screws compared to the one i talked before.) now the old screws were starheads and i bought new screwdrivers to take them out but i cant seem to remove these two. i tried the rubber band method and many more. at this point only three options are creating a mold and making a screwdriver for those screws, using wd-40 to loosen them and using powertools to make it flathead. but i dont wanna destroy the gorgeous aluminium back plate and i also dont have power tools. is there any other way to remove it? if so please do tell me. and also the spaces for them are very tight. i dont have a phone so i dont know how to show you guys but you can search it up online (ik im askin too much).

thanks,

⟐ Answer accepted December 29, 2025 at 10:35 MST

Dell Precision 5510: My laptop is suddenly dead, cannot determine the reason

Tue, 18 Mar 2025 00:41:22 -0700

My Dell Precision 5510 from 2016 suddenly won't power on (completely dead).

It used to work normally until couple of months ago, since when it just wouldn't power on. No light on a power button, no sound, no fans spinning, no text on display.

Previously, there was no warning signs of any problems, except maybe for a power button, I needed to press it a little bit harder then usual, but that was the issue forever.

What I did so far:

Checked charger voltage, it is 19.4 V, very close to declared 19.5 V.
Wiggled cable, checked that the charger is fully plugged in
Removed the base cover, removed some dust around the fans (there was some built up, but not too bad)
Removed the battery and charger, pressed power button for 1 min
Attached battery back, without charger, still dead
Attached charger, without battery, ditto
Removed one RAM module (out of two), then removed the second one, swap their places, etc, no luck

Any suggestions how to proceed from here?

Hi @oldturkey03,

My battery connector have have 12 wires: 4 red, 4 gray, and 4 black (left to right).

When charger is unplugged, and battery connected to the board, on battery connector I read 11.8 V on red wires, zeros on all others:

When battery is disconnected, I cannot read any voltage. I tried to probe on the back of the connector and on the bottom:

When I connected charger, I noticed two LEDs below the touchpad started to glow for a second, then turned off again.

With charger connected, on DC connector on motherboard, I read 19.4 V (three red wires), 3.3 V (grey wire).

When charger is connected and battery connected too, on battery connector I read 12.6 V (red wires), and 3.3 V (first two grey wires). Other two gray wires are on 0 V. I don't know if this is expected or not.

LEDs I mention before turned on for couple of minutes, then turned off again.

My understanding so far:

Battery is fine
Charger is fine
Charger connector is fine
Battery is charging

Could it be that the power button is damaged? That laptop is fine, but I just cannot turn it on?

I was unable to fix this myself so I took laptop to a service. The repair guy said that the power button is ok, but the two controllers that are orchestrating the powerup sequence needed to be replaced and one of them needs to be reprogrammed.

⟐ Answered March 18, 2025 at 0:41 MST

Dell Precision 5550: Battery Replacement Not Accepted

Sun, 15 Oct 2023 19:36:48 -0700

Hello. I just received a replacement battery from iFixit, and my laptop won’t boot into windows with it installed. Placed the old battery back in, and everything works just fine.

Does Dell lock their BIOS down if non-Dell parts are installed? And is there a trick to bypassing this?

Battery is the Dell 69KF2

Edit: The picture is the error I receive when plugged in

⟐ Answer edited October 15, 2023 at 19:36 MST

Dell Precision M65: Word experienced an error trying to open the file

Fri, 18 Dec 2020 03:35:51 -0700

When you try to open the file .doc (with a finished thesis!!!) crawls this message:

Word experienced an error trying to open the file.

Try the following steps.

Check the access permissions for the document or drive.
Make sure you have enough memory and disk space.
Open the file with text recovery Converter.

The girl herself does not know after which it it happened.

What to do?

(This was all probably in OfficeXP or 2007 - she doesn't know, but certainly not in 2010)

⟐ Answer deleted December 18, 2020 at 3:35 MST

Dell Precision 5550: Dell fan making noise

Wed, 23 Oct 2024 14:22:42 -0700

How to fix noisy fan

⟐ Answered October 23, 2024 at 14:22 MST

Dell Precision 5570: How to bypass the password authentication system

Thu, 11 Apr 2024 19:29:28 -0700

I have tried all of the suggestions to bypass the password authentication system even even entering in the code CD7BKN3-8FC8. It doesn’t pull up any passwords to try. Any suggestions?

⟐ Answer unaccepted April 11, 2024 at 19:29 MST

Dell Precision M6600: Giving battery blinks 4 times but not turning on.

Wed, 13 Mar 2024 13:46:24 -0700

Hey i have dell m6600 laptop it suddenly turned off and turning on its battery is dead. When i connect to the charger it gives 4 orange light blink but when i press power on button the light went off and won't turn on.

⟐ Commented March 13, 2024 at 13:46 MST

Dell Precision 7520: Why is my laptop suddenly shutting down?

Tue, 07 Feb 2023 09:38:03 -0700

Hi everybody. I am using a Dell precision 7520 laptop, everything was working normally until about a month ago, when suddenly my laptop suddenly shut down. I took it to the repair shop but the mechanic couldn't find the cause. That incident doesn't happen on a cyclical basis at all. Sometimes I open youtube in about 7 or 8 google chrome tabs and leave it not touching anything, the whole 5 or 6 hours the laptop is not damaged at all. Sometimes when I open youtube and just touch the keyboard or touchpad, it suddenly shuts down. Until today the laptop could not boot. I press the power button, it lights up, the screen shows the Dell logo and the keyboard light also comes on, but right after that, the Dell logo disappears and the keyboard light fades to completely off, the power indicator light blinks from green to yellow and then the heatsink fan hums and then shuts off. Please help me diagnose what is wrong with my laptop. Its model is intel core i7-7820HQ, 32GB ram, 256GB Samsung NVME ssd, M2200M VGA. Thank you everyone for reading.

⟐ Answered February 07, 2023 at 9:38 MST

Dell Precision 3510: restart very often when is charging. Without charger is working good

Thu, 17 Nov 2022 22:30:10 -0700

Dell Precision 3510 is restarting very often when is charging. Without charger is working good

⟐ Answered November 17, 2022 at 22:30 MST

Dell Precision M6700: laptop display auto off

Mon, 03 Oct 2022 18:31:43 -0700

my laptop display auto off

but I disable GPU it's running better

enenable GPU turn off display

⟐ Commented October 03, 2022 at 18:31 MST

Dell Precision: M7750 Display LCD Monitor appears dead

Sun, 02 Oct 2022 11:38:37 -0700

My M7750's LCD is out. However, the external HDMI and Display Port are working fine. I have replaced the internal LCD and Display cable that connects the motherboard to the LCD and Camera but, I still get no display on the LCD. That said, it would appear the NVIDIA board is working fine. The motherboard - as far as the LCD/Camera connector - appears to have no damage. When I installed the new LCD, does it need to be initialized within the EUFI BIOS? If so, how can I get into the BIOS when the external display does not show the bootup process on the external monitor? Again, the Operating System UI can be viewed on the external monitor only. I can not see the bootup process messages on the external; and I see nothing whatsoever on the internal LCD.

Wow ... you are absolutely correct! I went into a dark room, and could see the logon screen when shining a light at an angle. Since there seems to be no shortage of what appear to be model numbers on the motherboard (I wouldn't know what area may contain what I need to identify), would the DELL Inventory list for the laptop help? Actually, I believe you could view the same by inputting the service Tag (12JM6G3), or the Express Service Code (2330662179) on DELL's Support page. In case you are not familiar, here is the link --> DELL Support Page . Since it doesn't appear I can upload a document, here is the text version of the inventory list -->

Component Part Number Description Quantity

817-BBBB : Custom Configuration W21JJ "INFO,GNRC,OEM,TRACKING,PN" 1

800-BBGH : BTO Standard Shipment (EL) 35CNK "INFO,INBOUND,AIRSHIP,XLGE" 1

780-BBFE : No RAID W9M89 "INFO,NO RAID,DIESEL" 1

658-BESN : Intel Sensor Solution H1R74 "INFO,INTEL,SW,ISS3P0,XLOB" 1

TJ0GC "SRV,SW,ISS5P4,RIALTO" 1

658-BEOK : Dell SupportAssist OS Recovery Tool 0GRTY "SRV,SW,EXCAL,WIN-CMPNT,CMRCL" 1

G08KV "SRV,SW,EXCAL-SOS/DDRE,BASE,CMR" 1

658-BDVK : Dell Power Manager 2PGXF "SRV,SW,DPM" 1

658-BCSB : No Microsoft Office License In cluded 7M1KY "SRV,SW,OFFICE,OPK" 1

HR8X9 "INFO,WINRE-ADDR,3,GB-PTN" 1

658-BBRB : Waves Maxx Audio M3C3H "INFO,RYLTY,WAVES-MAXX,AUD,PRO" 1

"658-BBMR : Dell Client System Update (Upd ates latest Dell Recommended B IOS, Drivers, Firmware and App s)" 9WV3G "INFO,.NET@V,35000,SP1" 1

CPWK1 "SRV,SW,DCU,APP,UWP" 1

GFGV0 "SRV,SW,DCU,APP" 1

650-AAJS : No Security Software 864KE "Information,PLACEHOLDER PIECE-PART" 1

640-BBSC : Dell Optimizer for Precision NRGNR "SRV,SW,APP,STD,DO" 1

R649X "INFO,RYLTY,RIVET,XPRSSCON" 1

640-BBLW : Dell(TM) Digital Delivery Cirr us Client C2N45 "INFO,SW,CRRS,UPDATE" 1

YR2T2 "SRV,SW,CRRS,MUI" 1

631-ACMV : System Driver for Mobile Preci sion 7750 P0R4D "SRV,DRVR,HID,INTEL,7X50" 1

RJWFV "SRV,DRVR,INTELTBT,7X50" 1

TVCJ7 "SRV,DRVR,LAN,TRINITY,TB16" 1

WXM2C "SRV,BIOS RECOVERY 2" 1

M7V88 "SRV,APP,WAVEMAXXAUDIO,7X50" 1

R1CGP "SRV,UTILITY,PPM,EPP,X10/X11" 1

81HXT "SRV,SW,MS,RMTDT" 1

137KG "SRV,DRVR,DPTF,7X50" 1

57154 "Service Charge,Software, Windows 98,Fully Integrated System Test" 1

19GP8 "SRV,DRVR,DCNTD,STDBY,WITH,UI" 1

57RPF "SRV,APP,IGFX,HSA,7X50" 1

83F5D "INFO,IRST,META-PTN,5M" 1

8F1PD "SRV,SW,SERIALIO,7X50" 1

9JTWW "SRV,DRVR,AUDIOTRINITYTB16,WD15" 1

C107G "SRV,DRVR,INTEL,IRST,7X50" 1

F2R68 "SRV,TBT,APP,7X50" 1

H9DKT "SRV,SW,MEM-CARD,MPWS,7X50" 1

HKHTT "SRV,DRVR,CHIPSET,MPWS,7X50" 1

HWGWM "SRV,DRVR,INTEL,LAN,7X50" 1

KFF2R "SRV,SW,AUD,MPWS,7X50" 1

NRTV4 "SRV,SW,INTL,IRST,APP,7X50" 1

NXY1G "SRV,SW,VID,INTEL,UMA,7X50" 1

631-ACMU : Intel vPro Technology Enabled 4WDG6 "INFO,RYLTY,VPRO/ME,RIALTO" 1

57Y07 "SRV,SW,ME14P0MB,RIALTO" 1

5M9J4 "SRV,APP,IMSS,RIALTO" 1

H738F "LBL,STNG,MGMT,AMT/VPRO,1" 1

VY54T "INFO,MGMT,INTEL,VPRO" 1

620-AALW : OS-Windows Media Not Included 864KE "Information,PLACEHOLDER PIECE-PART" 1

"619-ANUL : Windows 10 Pro English, French , Spanish" 0RR64 "SRV,SW,JUMPSTART,W10" 1

2H21J "SRV,SW,W10,XBOX,TOAST" 1

C3TDG "SRV,SW,PARTNER-PROMO-TOAST" 1

D6KX0 "INFO,WINDOWS,10" 1

GYTDF "SRV,SW,WIN10,RDX" 1

NGC17 "SRV,WINDOWS,REG,PWR" 1

X7V4Y "INFO,RYLTY,W10,DOLBY5.1,CODEC" 1

9NGMV "LBL,GML,MS,OS,WINDOWS" 1

GMFF7 "INFO,WIN,PRO" 1

8GM0D "DPK,W10P,HE" 1

025K3 "SRV,OS,WIN10,64,MUI,E/F/S" 1

0616F "INFO,BOOT,GPT,OVERRIDE" 1

C858J "INFO,XTRA-LANG@V,SPN" 1

D6KX0 "INFO,WINDOWS,10" 1

G174J "INFO,XTRA-LANG@V,ENG" 1

G424J "INFO,XTRA-LANG@V,FR" 1

HNX8N "INFO,IE@V,110000" 1

J471G "SRV,OS,MUI,INSTALLER" 1

KYWGW "INFO,.NET@V,46000" 1

PJ289 "INFO,VPEPR" 1

PY79K "INFO,.NET@V,50000" 1

T2673 "Service Charge,Operating System,Windows XP OCA-MARKER" 1

TM318 "INFO,SLP2,ENABLE,WINDOWS" 1

W728F "SRV,OS,IE,INSTALLER" 1

X0601 "INFO,BYPS,UPTN" 1

X278C "SRV,OS,DOTNET,INSTALLER" 1

XP9T9 "INFO,BOOT,CNTNR,GPT" 1

"583-BGIN : Internal Single Pointing Backl it Keyboard, US English with 1 0 Key Numeric Keypad" 713DM "KYBD,99,US,ENG,M19IXA-BS" 1

R9T05 "INFO,KYBD,BLIT,XLOB" 1

X903C "INFO,RYLTY,KYBD,BLIT,XLOB" 1

583-BGIK : Keyboard Lattice for 99 key an d 100 key keyboard XPPM7 "SHRD,KYBD,99,100,7X50" 1

570-AADK : No Mouse W21JJ "INFO,GNRC,OEM,TRACKING,PN" 1

556-BBCD : No Mobile Broadband Card 864KE "Information,PLACEHOLDER PIECE-PART" 1

555-BFTF : Intel(R) Wi-Fi 6 2x2 (Gig+) an d Bluetooth 5.2 JTYGJ "LBL,REG,WRLES,AX201,WW,BC" 1

XVV0P "CRD,WRLES,M.2,INTEL,AX201,NEW" 1

555-BFSH : Intel AX201 2x2 + Bluetooth 5. 1 Driver 083TW "SRV,DRVR,WRLES,M.2,AX201,RT" 1

H2RV9 "SRV,DRVR,WRLES,BT,AX201,RT" 1

KW6NT "SRV,HTML,WRLES,INTEL,AX201" 1

525-BBCL : SupportAssist 334CH "SRV,SW,APP,SACLIENT" 1

7CVVR "SRV,SW,APP,SACLIENT,W10S" 1

K53RM "INFO,RYLTY,SACLIENT" 1

492-BCXD : 240W E5 Power Adapter (EPEAT) 8YT3V "ADPT,AC,240W,LTON,7.4,EPT,E5" 1

"490-BFVC : Thermal pad for for Quadro RTX 4000,5000" FRNMW "ASSY,HTSNK,W/FAN,EQ3+5+G3R,775" 1

490-BFUY : NVIDIA Quadro RTX 5000 w/16GB GDDR6 0GF2K "CRD,GRPHC,NV,N19E-Q5,DGFF3" 1

9GK9G "SRV,SW,DRVR,NV,N19E-Q5,DGFF3" 1

C5MHH "SRV,SW,DRVR,NV,HSA APP" 1

DC2K8 "SRV,SW,DRVR,NV,WIN32UX" 1

NGRJG "Assembly,Connector,Board To Board,DGFF,7X30" 3

VYNYM "CBL,DGFF,PWR,EQ3/5,7750" 1

451-BCQE : 6 Cell 95Whr ExpressCharge Cap able Battery CR72X "BTRY,PRI,95WHR,6C,LITH,BYD" 1

450-AHDL : E5 C13 Power Cord 1M for North America M2PNC "CORD,PWR,125V,10A,1M,C13,E5,US" 1

430-XYGV : Resource Media not Included N4265 "INFO,NO-RESOURCE,CD" 1

401-AAGM : No Additional Hard Drive W21JJ "INFO,GNRC,OEM,TRACKING,PN" 1

400-BDWQ : M.2 1TB PCIe NVMe Class 40 Sol id State Drive 2HMFM "INFO,C DRIVE,PCIESSD" 1

3N94F "Solid State Drive,1TB,P34,80S3,Technical Sheet,XG6" 1

"391-BFHY : 17.3-inch, UHD, 3840 x 2160, 6 0 Hz, Anti-Glare, Non Touchscr een, 100% Adobe, 500 Nits, HDR 400, WVA" 44TRN "LCD,17.3UHD,HDR400,AUO" 1

1DP1N "INFO,RYLTY,PRRT,PRMR-CLR,6.0NB" 1

5NCC9 "SRV,SW,PREMIER,COLOR,6.0" 1

5TMH8 "INFO,SWSI,LCD,17.3,NON-TCH" 1

RJ77X "SRV,SW,WALLPAPER,7X50" 1

389-DVNR : Not EPEAT Registered W21JJ "INFO,GNRC,OEM,TRACKING,PN" 1

389-DUIK : Intel Core i9 Label for vPro NDY6H "LBL,INTEL,CI9,VPRO,10,SML" 1

389-DQBW : FCC Label RVD8N "LBL,REG,FCC,STATEMENT,9380" 1

389-BEYY : Regulatory Label included W21JJ "INFO,GNRC,OEM,TRACKING,PN" 1

389-BCGW : No UPC Label 2CVKK "INFO,NO,UPC,LBL" 1

387-BBDO : Not ENERGY STAR Qualified 864KE "Information,PLACEHOLDER PIECE-PART" 1

"379-BDWR : Intel Core Processor i9-10885H (8 Core, 16MB Cache, 2.40 GHz to 5.30 GHz, 45W,vPro)" W21JJ "INFO,GNRC,OEM,TRACKING,PN" 1

"370-AFGT : 64GB, 2X32GB,DDR4 2933Mhz Non- ECC Memory" P6FH5 "DIMM,32GB,3200,2R,16G,DDR4,NS" 2

354-BBCM : Bottom Cover with Smart Card D oor Opening VC3G3 "ASSY,DOOR,BTM,W/SC,7750" 1

346-BGIV : Palmrest with Smart Card only 185D2 "INFO,SC,CONTACT" 1

1XWFN "INFO,RYLTY,CV,KLC,PLTFRM" 1

46GV3 "SRV,DRVR,USH,7X50" 1

56XFV "ASSY,PLMRST,SC ONLY,7750" 1

NJKF4 "INFO,RYLTY,BRCM,CV3,SC" 1

WCRND "INFO,MDIAGS,USH FW FLASH" 1

340-CRET : Mix Model Packaging 2J81W "INFO,MIN-CONFIG,NB,BIZ,DAO" 1

43T1W "SHP MTL,UPAD,87X85X325,RIALT17" 1

DMW4K "SHP MTL,CSHN,MPP,T/B,RIALTO17" 2

FPWRT "SHP MTL,BAG,NBK,14.5X20,HDPE" 1

PPP52 "SHP MTL,BOX,MCF,551X94X344,BB" 1

TR2C9 "INFO,RYLTY,SI,TPM-MIDDLEWARE" 1

2J81W "INFO,MIN-CONFIG,NB,BIZ,DAO" 1

K9JDW "LBL,REG,COO,CHINA,CKS,7750" 1

22KHW "INFO,SHUTTLE,NB,BIZ,DAO" 1

HW105 "SHP MTL,BOX,ACC,17XX" 1

K9JDW "LBL,REG,COO,CHINA,CKS,7750" 1

TR2C9 "INFO,RYLTY,SI,TPM-MIDDLEWARE" 1

DMW4K "SHP MTL,CSHN,MPP,T/B,RIALTO17" 2

FPWRT "SHP MTL,BAG,NBK,14.5X20,HDPE" 1

1CVHX "SHP MTL,BOX,SHTL,466X94X341,BB" 1

22KHW "INFO,SHUTTLE,NB,BIZ,DAO" 1

Y364G "INFO,DIRSHP,CMPL,KUNSHAN" 1

340-CPYE : Quick Setup Guide for Mobile P recision 7750 YH3FH "PLCMT,QSG,PRECISION,7750,WW" 1

340-CKSZ : No AutoPilot W21JJ "INFO,GNRC,OEM,TRACKING,PN" 1

340-AGIK : SERI Guide (ENG/FR/Multi) WH67C "GDE,PROD,MUI,SERI,DAO" 1

"329-BFCF : Intel Core i9-10885H (8 Core, 16MB Cache, 2.40 GHz to 5.30 G Hz, 45W,vPro)" 7CCGK "INFO,TYPE C,AR/TR" 1

0K2XV "ASSY,BASE,7750" 1

68RR1 "PLT,THRM,PCH FOR CPU,7750" 1

6C9TK "PWA,PLN,I9-10885H,V,T,7750" 1

88N8F "BRKT,EDP CBL,7750" 1

GXR0R "ASSY,FRM,INNER FRM,7750" 1

J6M97 "CBL,BATTERY,7X50" 1

JY64N "Bracket,NGFF,Antenna,Connector,HOLD,7350" 1

PTVJW "BRKT,DC-IN,7X50" 1

XPX4V "CBL,I/O,PWR,DC-IN,7750" 1

"325-BDSS : IR Camera, Mic, Non-Touch beze l" 0XMGG "Assembly,Camera,1M,RGBR,Universal Serial Bus,2MIC,Form Factor" 1

25W60 "INFO,IR CMRA,FOR WBT CHECK" 1

4K81V "SRV,SW,OS,HELLO,IRLED,LIDCLOSE" 1

FTDDV "BZL,LCD,F/UHD,IR,CMR+MC,7750" 1

"320-BDUB : UHD Panel Cover, Non-Touch" 37YVY "CVR,HNG CAP,LOGUP,7750" 1

K5D5F "ASSY,CVR,UHD,IR,WL,7750" 1

210-AVUS : Mobile Precision 7750 CTO BASE J8PH2 "INFO,CHAIN,CUSTODY" 1

8D007 "LBL,SVC TAG,20X6MM,R0.5,BLK,AQ" 1

N0K6G "INFO,SWSI,NB,STD,MPWS,7750" 1

4P9FX "INFO,HASH,BIOS" 1

H82C5 "INFO,HASH,ENABLE,VERIFY,RGD" 1

XPRGW "INFO,UEFI-CL3" 1

009-9961 : Total Includes Shipping and Ha ndling 9 "Information,Generic,Part Number" 1

Hi Jayeff,

You sound like someone who either does this stuff for a living, or have extensive experience in fixing these types of problems. Let me ask this: Assuming the schematic gives me a clue where to find the connection point, are we talking about some kind of physical switch with perhaps and electrical wire, or is this more like some kind of IC that logically gates the On/Off backlit function? If the latter, I'd further assume it could also be a circuit board trace that could've been scratched or "opened". Again, with the latter situation, are we talking about some component level de-soldering of the motherboard, or possibly re-soldering the trace that is broken? If so, I don't think I'd be comfortable doing that. Although I'm educated in Electronics Engineering, I worked more at the macro level as far as PCs and servers are concerned. In other words, I'd swap-out a card, or pull a hard drive but, replacing bad ICs on a printed circuit board is beyond anything I've done. Sure, I know the theory but, in practice there are other considerations like heat, and potentially screwing something else up. But, I'll stop there and hopefully get a hint at exactly what we are talking about here as a potential fix. Worse case, you've helped me tremendously with identifying the cause. Heck, the old LCD may have never been bad. In which case, I've thrown that money out the window because, I don't think the vendor would take it back. I'd be more comfortable taking to a repair shop but, I'm not sure there are many folks that can do component level repairs either. In which case, I'd probably be looking at replacing the motherboard. In any case, hopefully you can give me some idea but, if not thank you for pointing me in the right direction.

⟐ Commented October 02, 2022 at 11:38 MST

Dell Precision M4800: Replacement keyboard not working

Tue, 02 Nov 2021 14:04:28 -0700

My “P” key stopped working on my Dell Precision M4800. I ordered THREE different replacement keyboards, one with exact same part numbers. None of the replacement kbds show up in BIOS or device mgr (as PS2). If I put the original kbd back in. It works and shows up in BIOS and device manager. Could the firmware be linked to a specific serial number? That would be rather stupid. Any ideas?

⟐ Commented November 02, 2021 at 14:04 MST

Dell Precision M3800: Battery good but not cahrgin anymore

Mon, 11 Oct 2021 06:47:40 -0700

My M3800 suddenly stopped working with an AC adaptor, won't charge the battery, won't operate without the battery. I have several AC adaptors and none of them work now (the power adapter are good as they work for other laptops).. Any ideas??

What is the IC mofset component on those that handle the charginf of battery?

thanks

⟐ Commented October 11, 2021 at 6:47 MST