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Dell Latitude 12-7275 Owner'S Manual Download Page 42

27

Removing the display assembly

WARNING: Before working inside your tablet, read the safety information that shipped with your 

tablet and follow the steps in 

Before working inside your tablet

. After working inside your tablet, 

follow the instructions in 

After working inside your tablet

. For more safety best practices, see the 

Regulatory Compliance home page at www.dell.com/regulatory_compliance. 

 

Prerequisites

Remove the 

battery

.

Procedure

1.

Peel off the display cable from the system board.

2.

Using the pull tab, disconnect the display cable from the system board.

3.

Peel off the display cable from the back-cover assembly.

4.

Lift the display assembly, along with its cable, off the back-cover assembly.

1.

display assembly

2. back-cover assembly

3. pull tab

4. display cable

42

Summary of Contents for Latitude 12-7275

Page 1: ...Latitude 12 7275 Owner s Manual Regulatory Model T02H Regulatory Type T02H001 ...

Page 2: ...roblem WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2016 Dell Inc All rights reserved This product is protected by U S and international copyright and intellectual property laws Dell and the Dell logo are trademarks of Dell Inc in the United States and or other jurisdictions All other marks and names mentioned herein may be trademarks of their resp...

Page 3: ...oving the solid state drive 14 Prerequisites 14 Procedure 14 6 Replacing the solid state drive 16 Procedure 16 Post requisites 16 7 Removing the wireless card 17 Prerequisites 17 Procedure 17 8 Replacing the wireless card 19 Procedure 19 Post requisites 19 9 Removing the front camera 20 Prerequisites 20 Procedure 20 10 Replacing the front camera 21 Procedure 21 Post requisites 21 11 Removing the b...

Page 4: ...es 27 Procedure 27 16 Replacing the headset port 28 Procedure 28 Post requisites 28 17 Removing the microphone 29 Prerequisites 29 Procedure 29 18 Replacing the microphone 30 Procedure 30 Post requisites 30 19 Removing the power button board 31 Prerequisites 31 Procedure 31 20 Replacing the power button board 32 Procedure 32 Post requisites 32 21 Removing the volume buttons board 33 Prerequisites ...

Page 5: ...mbly 43 Procedure 43 Post requisites 43 29 Technology and Components 44 Power adapter 44 Processors 44 Identifying processors in Windows 10 44 Identifying processors in Windows 8 44 Verifying the processor usage in Task Manager 45 Verifying the processor usage in Resource Monitor 45 Chipsets 46 Downloading the chipset driver 46 Identifying the chipset in Device Manager on Windows 10 46 Identifying...

Page 6: ...ndows 10 53 Identifying the hard drive in Windows 8 53 Entering BIOS setup 53 Camera features 54 Identifying the camera in Device Manager on Windows 10 54 Identifying the camera in Device Manager on Windows 8 54 Starting the camera 55 Starting the Camera App 55 Memory features 56 Verifying system memory in Windows 10 56 Verifying system memory in Windows 8 56 Verifying system memory in setup 56 Te...

Page 7: ...32 Getting help and contacting Dell 64 Self help resources 64 Contacting Dell 64 7 ...

Page 8: ...e and ensure your personal safety WARNING Before working inside your tablet read the safety information that shipped with your tablet and follow the steps in Before working inside your tablet After working inside your tablet follow the instructions in After working inside your tablet For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance WARNIN...

Page 9: ...b not on the cable itself Some cables have connectors with locking tabs or thumb screws that you must disengage before disconnecting the cable When disconnecting cables keep them evenly aligned to avoid bending any connector pins When connecting cables ensure that the ports and connectors are correctly oriented and aligned CAUTION Press and eject any installed card from the media card reader Recom...

Page 10: ...ensure that no stray screws remain inside your tablet 2 Connect any external devices peripherals and cables you removed before working on your tablet 3 Replace any media card SIM card and any other parts that you removed before working on your tablet 4 Connect your tablet and all attached devices to their electrical outlets 5 Turn on your tablet 10 ...

Page 11: ...the Regulatory Compliance home page at www dell com regulatory_compliance Procedure CAUTION Before opening your tablet ensure that you place the tablet on a soft cloth or clean surface to avoid any scratches on the display 1 Turn the tablet over 2 Remove the screws that secure the back cover assembly to the display assembly 3 Using a plastic scribe pry up along the edges of the back cover assembly...

Page 12: ... secure the battery to the back cover assembly 6 Disconnect the battery cable from the system board 7 Lift the battery along with its cable off the back cover assembly 1 display assembly 2 screws 5 3 battery 4 back cover assembly 5 battery cable 12 ...

Page 13: ...st practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Align the screw holes on the battery with the screw holes on the back cover assembly 2 Replace the screws that secure the battery to the back cover assembly 3 Connect the battery cable to the system board 4 Align the back cover assembly with the display assembly and snap it into place 5 Replace t...

Page 14: ...st practices see the Regulatory Compliance home page at www dell com regulatory_compliance CAUTION Solid state drives are fragile Exercise care when handling the hard drive CAUTION To avoid data loss do not remove the solid state drive while the tablet is in sleep or on state Prerequisites Remove the battery Procedure 1 Remove the screw that secures the solid state drive to the back cover assembly...

Page 15: ...3 solid state drive 4 back cover assembly 15 ...

Page 16: ...et For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance CAUTION Solid state drives are fragile Exercise care when handling the hard drive Procedure 1 Slide the solid state drive into the slot on the system board 2 Align the screw hole on the solid state drive with the screw hole on the back cover assembly 3 Replace the screw that secures the ...

Page 17: ...ractices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the battery Procedure 1 Remove the screw that secures the wireless card bracket and the wireless card to the system board 2 Lift the wireless card bracket off the wireless card 3 Disconnect the antenna cables from the wireless card 4 Slide and remove the wireless card from the wireless card ...

Page 18: ...7 tab 18 ...

Page 19: ...he notch on the wireless card with the tab on the wireless card slot and slide the card into the wireless card slot 2 Align the screw hole on the wireless card with the screw hole on the system board 3 Connect the antenna cables to the wireless card The following table provides the antenna cable color scheme for the wireless card supported by your tablet Connectors on the wireless card Antenna cab...

Page 20: ...After working inside your tablet For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the battery Procedure 1 Remove the screw that secures the front camera to the back cover assembly 2 Disconnect the camera cable from the system board 3 Lift the front camera along with its cable off the back cover assembly 1 camera cable...

Page 21: ...ow the instructions in After working inside your tablet For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Align the screw hole on the front camera with the screw hole on the back cover assembly 2 Replace the screw that secures the front camera to the back cover assembly 3 Connect the camera cable to the system board Post requis...

Page 22: ... After working inside your tablet For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the battery Procedure 1 Remove the screw that secures the back camera to the back cover assembly 2 Disconnect the camera cable from the system board 3 Lift the back camera along with its cable off the back cover assembly 1 camera cable ...

Page 23: ...ow the instructions in After working inside your tablet For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Align the screw hole on the back camera with the screw hole on the back cover assembly 2 Replace the screw that secures the back camera to the back cover assembly 3 Connect the camera cable to the system board Post requisit...

Page 24: ...w dell com regulatory_compliance CAUTION Removing the coin cell battery resets the BIOS setup program s settings to default It is recommended that you note the BIOS setup program s settings before removing the coin cell battery Prerequisites Remove the battery Procedure 1 Lift the latch and disconnect the power button board cable from the power button board 2 Disconnect the coin cell battery cable...

Page 25: ...5 back cover assembly 25 ...

Page 26: ...uctions in After working inside your tablet For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Adhere the coin cell battery to the back cover assembly 2 Connect the coin cell battery cable to the system board 3 Slide the power button board cable into its connector on the power button board and press down the latch to secure the ...

Page 27: ...egulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the battery Procedure 1 Remove the screws that secure the headset port bracket and the headset port to the back cover assembly 2 Lift the headset port bracket off the headset port 3 Lift the latch and disconnect the headset port cable from the system board 4 Lift the headset port along with its cable off the ...

Page 28: ... safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Slide the headset port cable into its connector on the system board and press down the latch to secure the cable 2 Align the screw holes on the headset port bracket and the headset port with the screw holes on the back cover assembly 3 Replace the screws that secure the headset port bra...

Page 29: ...uctions in After working inside your tablet For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the battery 2 Remove the front camera 3 Remove the back camera Procedure 1 Disconnect the microphone cable from the system board 2 Lift the microphones along with the cable off the back cover assembly 1 microphone cable 2 mi...

Page 30: ...our tablet follow the instructions in After working inside your tablet For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Align the microphones on the back cover assembly and snap them into place 2 Connect the microphone cable to the system board Post requisites 1 Replace the back camera 2 Replace the front camera 3 Replace the ...

Page 31: ...your tablet For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the battery Procedure 1 Remove the screws that secure the power button board to the back cover assembly 2 Lift the latch and disconnect the power button board cable from the power button board 3 Lift the power button board off the back cover assembly 1 screw...

Page 32: ...your tablet For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Align the screw holes on the power button board with the screw holes on the back cover assembly 2 Replace the screws that secure the power button board to the back cover assembly 3 Slide the power button board cable into the connector on the power button board and pr...

Page 33: ...et For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the battery Procedure 1 Remove the screws that secure the volume buttons board to the back cover assembly 2 Lift the latch and disconnect the volume buttons board cable from the volume buttons board 3 Lift the volume buttons board off the back cover assembly 1 back c...

Page 34: ...r tablet For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Align the screw holes on the volume buttons board with the screw holes on the back cover assembly 2 Replace the screws that secure the volume buttons board to the back cover assembly 3 Slide the volume buttons board cable into the connector on the volume buttons board a...

Page 35: ...lace the system board NOTE Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program You must make the desired changes again after you replace the system board NOTE Before disconnecting the cables from the system board note the location of the connectors so that you can reconnect the cables correctly after you replace the system board Prerequisites 1 Rem...

Page 36: ...crophone cable 7 camera cables 2 8 coin cell battery cable 9 power button board cable 10 speaker cable 11 display cable 12 dock connector cable 3 Lift the antenna cable off the system board 4 Remove the screws that secure the I O bracket to the system board 5 Lift the I O bracket off the system board 36 ...

Page 37: ...cket 3 back cover assembly 4 antenna cable 6 Remove the screws that secure the system board to the back cover assembly 7 Lift the system board off the back cover assembly 1 screws 5 2 system board 3 back cover assembly 37 ...

Page 38: ...up program You must make the desired changes again after you replace the system board Procedure 1 Align the screw holes on the system board with the screw holes on the back cover assembly 2 Replace the screws that secure the system board to the back cover assembly 3 Align the screw holes on the I O bracket with the screw holes on the system board 4 Replace the screws that secure the I O bracket to...

Page 39: ... see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the battery 2 Remove the solid state drive 3 Remove the wireless card 4 Remove the front camera 5 Remove the back camera 6 Remove the coin cell battery 7 Remove the headset port 8 Remove the microphones 9 Remove the power button board 10 Remove the volume buttons board 11 Remove the system board 1...

Page 40: ...1 back cover 40 ...

Page 41: ...ractices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure Place the back cover on a flat surface Post requisites 1 Replace the display assembly 2 Replace the system board 3 Replace the volume buttons board 4 Replace the power button board 5 Replace the microphones 6 Replace the headset port 7 Replace the coin cell battery 8 Replace the back camera 9 Replace t...

Page 42: ...et For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the battery Procedure 1 Peel off the display cable from the system board 2 Using the pull tab disconnect the display cable from the system board 3 Peel off the display cable from the back cover assembly 4 Lift the display assembly along with its cable off the back co...

Page 43: ...ng inside your tablet follow the instructions in After working inside your tablet For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Adhere the display cable to the back cover assembly 2 Connect the display cable to the system board 3 Adhere the display cable to the connector on the system board Post requisites Replace the batte...

Page 44: ...r improperly connecting the cable to the power strip or electrical outlet may cause fire or equipment damage Processors This tablet is shipped with the following processors Intel Core M3 6Y30 Intel Core M5 6Y57 NOTE The clock speed and performance varies depending on the workload and other variables Identifying processors in Windows 10 1 Tap Search the Web and Windows 2 Type Device Manager 3 Tap P...

Page 45: ... in the Windows Task Manager window The processor performance details are displayed Verifying the processor usage in Resource Monitor 1 Press and hold the taskbar 2 Select Start Task Manager The Windows Task Manager window is displayed 3 Tap the Performance tab in the Windows Task Manager window The processor performance details are displayed 4 Tap Open Resource Monitor 45 ...

Page 46: ...and Downloads 5 Select the operating system installed on your tablet 6 Scroll down the page expand Chipset and select your chipset driver 7 Tap Download File to download the latest version of the chipset driver for your tablet 8 After the download is complete navigate to the folder where you saved the driver file 9 Double tap the chipset driver file icon and follow the instructions on the screen I...

Page 47: ...Identifying chipset in Device Manager on Windows 8 1 Tap Settings on the Windows 8 1 Charms Bar 2 From the Control Panel select Device Manager 3 Expand System Devices and search for the chipset 47 ...

Page 48: ...hics chipset Downloading Driver 1 Turn on the tablet 2 Go to www dell com support 3 Tap Product Support enter the Service Tag of your tablet and then tap Submit NOTE If you do not have the Service Tag use the auto detect feature or manually browse for your tablet model 48 ...

Page 49: ...ter 1 Start the Search Charm and select Settings 2 Type Device Manager in the search box and tap Device Manager from the left pane 3 Expand Display adapters The display adapters are displayed Changing the screen resolution 1 Press and hold the desktop screen and select Display Settings 2 Tap Advanced display settings 3 Select the required resolution from the drop down list and tap Apply Rotating t...

Page 50: ...ht edge of the display to access the Charms menu 2 Tap Settings Change PC Settings PC and devices Power and sleep 3 Use the Adjust my screen brightness automatically slider to enable or disable automatic brightness adjustment Cleaning the display 1 Check for any smudges or areas that has to be cleaned 2 Use a microfiber cloth to remove any obvious dust and gently brush off any dirt particles 3 Pro...

Page 51: ...lear the box to disable the touch screen Connecting to external display devices Follow these steps to connect your tablet to an external display device 1 Ensure that the projector is turned on and plug the projector cable into a video port on your tablet 2 Press the Windows logo P key 3 Select one of the following modes PC screen only Duplicate Extend Second Screen only NOTE For more information s...

Page 52: ... 10 1 Start the Search Charm and select All Settings 2 Type Device Manager in the search box and select Device Manager from the left pane 3 Expand Sound video and game controllers The audio controller is displayed Before installation After installation Identifying the audio controller in Windows 8 1 Start the Search Charm and select Settings 2 Type Device Manager in the search box and select Devic...

Page 53: ...LAN driver file icon and follow the instructions on the screen Hard drive options This tablet has the following mSATA solid state drive options 128 GB solid state drive 256 GB solid state drive 512 GB solid state drive 256 GB self encrypting drive Identifying the hard drive in Windows 10 1 Tap All Settings on the Windows 10 Charms Bar 2 Tap Control Panel select Device Manager and expand Disk drive...

Page 54: ...ith 5 MP fixed focus front facing camera and 8 MP auto focus rear facing camera with the image resolution of 1920 x 1080 maximum NOTE On Windows 8 1 and Windows 10 tablets Dell Webcam Central Software will not be available Use the built in Camera App Identifying the camera in Device Manager on Windows 10 1 In the Search box type device manager and tap to start it 2 Under Device Manager expand Imag...

Page 55: ... software that is shipped with the tablet the camera turns on Similarly if you are chatting on the internet and the application requests to access the webcam the webcam turns on Starting the Camera App 1 Tap the Windows button and select All apps 2 Select Camera from the apps list 3 If the Camera App is not available in the apps list search for it 55 ...

Page 56: ...fying system memory in Windows 8 1 From your desktop start the Charms Bar 2 Select Control Panel and then select System Verifying system memory in setup 1 Turn on or restart your tablet 2 Perform one of the following actions after the Dell logo is displayed With keyboard Tap F2 until the Entering BIOS setup message appears To enter the Boot selection menu tap F12 Without keyboard When the F12 boot...

Page 57: ...layed select Diagnostics from the boot menu and press Enter The PreBoot System Assessment PSA starts on your tablet NOTE If you wait too long and the operating system logo appears continue to wait until you see the desktop Turn off the tablet and try again Intel chipset drivers Verify if the Intel chipset drivers are already installed in the tablet Before installation After installation Intel HD G...

Page 58: ...rify if the Realtek RTS5242 GR Card Reader drivers are already installed in the tablet Before installation After installation Realtek LAN network drivers Verify if the Realtek LAN network drivers are already installed in the tablet Before installation After installation Intel Wireless 3165 WiFi and Bluetooth drivers Verify if the Intel Wireless 3165 WiFi and Bluetooth drivers are already installed...

Page 59: ...Before installation After installation 59 ...

Page 60: ...ay need to flash update the BIOS when an update is available or when you replace the system board To flash the BIOS 1 Turn on the tablet 2 Go to www dell com support 3 Tap Product Support enter the Service Tag of your tablet and tap Submit NOTE If you do not have the Service Tag use the auto detect feature or manually browse for your tablet model 4 Tap Drivers and downloads 5 Select the operating ...

Page 61: ...0 GB solid state drive 256 GB solid state drive 360 GB solid state drive 512 GB solid state drive 256 GB SED solid state drive 256 GB PCIe solid state drive 512 GB PCIe solid state drive Memory Type LPDDR3 Speed 1600 MHz Configurations supported 4 GB and 8 GB Ports and connectors Audio One headset port headphone and microphone combo microSD card One microSD card slot micro SIM card One micro SIM c...

Page 62: ...st ratio 1500 01 Color depth 16 7 M Camera Front facing camera Rear facing camera Type 5 MP Fixed focus 8 MP Auto focus Resolution Still image 2592 x 1944 3296 x 2520 Video 1920 x 1080 at 30 fps maximum 3296 x 2520 at 30 fps maximum Power adapter Input voltage 120 VAC 240 VAC Input frequency 50 Hz 60 Hz Input current 1 30 A Output current 1 5 A Rated output voltage 20 VDC Temperature range Operati...

Page 63: ...g 10 to 90 non condensing Non operating 5 to 95 non condensing Altitude maximum unpressurized Operating 15 20 m to 3048 m 50 ft to 10 000 ft Storage 15 20 m to 10 668 m 50 ft to 35 000 ft Keyboard Width 269 90 mm 10 63 in Height 104 95 mm 4 13 in Thickness 3 85 mm 0 15 in Weight 0 55 kg 1 22 lb Type Full size backlit chiclet keys with 1 9 mm key travel 63 ...

Page 64: ...Click Start Help and Support Online help for operating system www dell com support windows www dell com support linux Troubleshooting information user manuals setup instructions product specifications technical help blogs drivers software updates and so on www dell com support Learn about your operating system setting up and using your tablet data backup diagnostics and so on See Me and My Dell at...

Page 65: ...NOTE If you do not have an active internet connection you can find contact information on your purchase invoice packing slip bill or Dell product catalog 65 ...

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