ملخص المحتوى في الصفحة رقم 1
Dell Precision Mobile Workstation M4800
Owner's Manual
Regulatory Model: P20E
Regulatory Type: P20E001
ملخص المحتوى في الصفحة رقم 2
Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2013 Dell Inc. All Rights Reserved. ™ ™ ™ ™ ™ Trademarks used in this text: Dell , the DELL logo, Dell Precision , Precision ON ,ExpressCharge , Latitude , ™ ™ ™
ملخص المحتوى في الصفحة رقم 3
Contents 1 Working on Your Computer....................................................................................................... 7 Before Working Inside Your Computer.....................................................................................................................7 Recommended Tools................................................................................................................................................ 8 Turning Off Your Computer................
ملخص المحتوى في الصفحة رقم 4
Installing the Video-Card Fan................................................................................................................................. 28 Removing the Coin-Cell Battery..............................................................................................................................28 Installing the Coin-Cell Battery...............................................................................................................................29 Removing the Palm
ملخص المحتوى في الصفحة رقم 5
Assigning a System Password and Setup Password...................................................................................... 69 Deleting or Changing an Existing System and/or Setup Password..................................................................69 4 Diagnostics.................................................................................................................................71 Enhanced Pre-Boot System Assessment (ePSA) Diagnostics...................................
ملخص المحتوى في الصفحة رقم 6
6
ملخص المحتوى في الصفحة رقم 7
1 Working on Your Computer Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that the following conditions exist: • You have performed the steps in Working on Your Computer. • You have read the safety information that shipped with your computer. • A component can be replaced or--if purchased separately--in
ملخص المحتوى في الصفحة رقم 8
6. Close the display and turn the computer upside-down on a flat work surface. NOTE: To avoid damaging the system board, you must remove the main battery before you service the computer. 7. Remove the main battery. 8. Turn the computer top-side up. 9. Open the display. 10. Press the power button to ground the system board. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the display. CAUTION: Before touching anything inside your
ملخص المحتوى في الصفحة رقم 9
1. Click Start . 2. Click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down.. 2. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 4 seconds to turn them off. After Working Inside Your Computer After you complete any replacement procedure, ensure you connect any external devices, ca
ملخص المحتوى في الصفحة رقم 10
10
ملخص المحتوى في الصفحة رقم 11
2 Removing and Installing Components This section provides detailed information on how to remove or install the components from your computer. System Overview Inside view — back 1. hard-drive latch 7. primary memory 2. Micro SIM card slot 8. coin-cell battery 3. battery release latch 9. system fan 4. WWAN card / mSATA SSD card 10. optical drive 5. video-card fan 6. WLAN card 11
ملخص المحتوى في الصفحة رقم 12
Inside view — front 1. video-card heatsink 6. Unified Security Hub (USH) Board 2. video card 7. secondary memory 3. I/O Board 8. wi-fi switch board 4. processor heatsink 5. express card module Removing the Secure Digital (SD) Card 1. Follow the procedures in Before Working Inside Your Computer. 2. Press in on the SD card to release it from the computer. Slide the SD card out of the computer. Installing the SD Card 1. Push in the SD card into its slot until it clicks into place. 2. Follow the p
ملخص المحتوى في الصفحة رقم 13
Removing the ExpressCard 1. Follow the procedures in Before Working Inside Your Computer. 2. Press in on the ExpressCard to release it from the computer. Slide the ExpressCard out of the computer. Installing the ExpressCard 1. Slide the ExpressCard into its slot until it clicks into place. 2. Follow the procedures in After Working Inside Your Computer. Removing the Battery 1. Follow the procedures in Before Working Inside Your Computer. 2. Slide the release latch to unlock the battery. 3. Lift a
ملخص المحتوى في الصفحة رقم 14
Installing the Battery 1. Slide the battery into its slot until it clicks into place. 2. Follow the procedures in After Working Inside Your Computer. Removing the Micro Subscriber Identity Module (SIM) Card 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the battery. 3. Slide the micro SIM card out from the slot . 14
ملخص المحتوى في الصفحة رقم 15
Installing the Micro Subscriber Identity Module (SIM) Card 1. Push in the micro SIM card into its slot. 2. Install the battery. 3. Follow the procedures in After Working Inside Your Computer. Removing the Keyboard Trim 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the battery. 3. Pry up the keyboard trim starting from the bottom and work your way along the top edge. Remove the keyboard trim. Installing the Keyboard Trim 1. Slide in the keyboard trim from the front a
ملخص المحتوى في الصفحة رقم 16
2. Press along the sides of the keyboard trim until it snaps in place. 3. Install the battery. 4. Follow the procedures in After Working Inside Your Computer. Removing the Keyboard 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a) battery b) keyboard trim 3. Remove the screws that secure the keyboard to the computer. 16
ملخص المحتوى في الصفحة رقم 17
4. Starting from the bottom of the keyboard, separate the keyboard from the computer and flip the keyboard over. 5. Disconnect the keyboard-data cable from the system board and remove the keyboard. 17
ملخص المحتوى في الصفحة رقم 18
Installing the Keyboard 1. Connect the keyboard-data cable to the system board. NOTE: Ensure that you fold the keyboard-data cable in perfect alignment. 2. Press the keyboard in its compartment. 3. Tighten the screws to secure the keyboard to the computer. 4. Press over the cross section of the following keys to secure the keyboard to the computer: a) , , and keys b) over the <9> key c) NUMLOCK <9> key 18
ملخص المحتوى في الصفحة رقم 19
5. Install the: a) keyboard trim b) battery 6. Follow the procedures in After Working Inside Your Computer. Removing the Base Cover 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the battery. 3. Remove the screws that secure the base cover to the computer. Press the rubber tabs towards the rear of the computer to disengage the base cover. 19
ملخص المحتوى في الصفحة رقم 20
4. Lift and remove the base cover from the computer. 20
