1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched. 2. Turn off your computer (see Turning Off Your Computer) and all attached devices. 3. Disconnect all telephone or network cables from the computer. 4. Press and eject any installed cards from the ExpressCard slot or the 8-in-1 media card reader. 5. Disconnect your computer and all attached devices from their electrical outlets. 6. Disconnect all attached devices from your computer. 7. Remove the battery (see Removing the Battery). 8. Turn the computer top-side up, open the display, and press the power button to ground the system board. Back to Contents Page CAUTION: To avoid damaging the computer, perform the following steps before you begin working inside the computer. CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device. CAUTION: To help prevent damage to the system board, remove the main battery (see "Removing the Battery" on page 13) before working inside the computer. Back to Contents Page Flashing the BIOS Dell Studio™ 1745/1747 Service Manual Flashing the BIOS From a CD Flashing the BIOS From the Hard Drive If a BIOS upgrade CD is provided with the new processor or new system board, flash the BIOS from the CD. If you do not have a BIOS upgrade CD, flash the BIOS from the hard drive. Flashing the BIOS From a CD 1. Ensure that the AC adapter is plugged in and that the main battery is installed properly. 2. Insert the BIOS upgrade CD, and restart the computer. Follow the procedures that appear on the screen. The computer continues to boot and updates the new BIOS. When the flash update is complete, the computer will automatically restart. 3. Press during POST to enter the system setup program. 4. Press and then click Load Setup Defaults and click Yes in the pop- up window to reset the computer defaults. 5. Remove the BIOS upgrade CD from the drive. 6. Select Exit Saving Changes and select Yes in the pop-up window to save configuration changes. 7. The BIOS upgrade finishes and the computer restarts automatically. Flashing the BIOS From the Hard Drive 1. Ensure that the AC adapter is plugged in, the main battery is properly installed, and a network cable is attached. 2. Turn on the computer. 3. Go to the Dell Support website at support.dell.com. 4. Click Drivers & Downloads® Select Model. 5. Select the type of product in the Select Your Product Family list. 6. Select the product brand in the Select Your Product Line list. 7. Select the product model number in the Select Your Product Model list. 8. Click Confirm. 9. A list of results appear on the screen. Click BIOS. 10. Click Download Now to download the latest BIOS file. The File Download window appears. 11. Click Save to save the file on your desktop. The file downloads to your desktop. 12. Click Close if the Download Complete window appears. The file icon appears on your desktop and is titled the same as the downloaded BIOS update file. 13. Double-click the file icon on the desktop and follow the procedures on the screen. NOTE: If you use a BIOS upgrade CD to flash the BIOS, set up the computer to boot from a CD before inserting the CD. NOTE: If you have selected a different model and want to start over again, click Start Over on the top right of the menu. Back to Contents Page Back to Contents Page Internal Card With Bluetooth® Wireless Technology Dell Studio™ 1745/1747 Service Manual Removing the Bluetooth Card Replacing the Bluetooth Card If you ordered a card with Bluetooth wireless technology with your computer, it is already installed. Removing the Bluetooth Card 1. Follow the procedures in Before You Begin. 2. Remove the battery (see Removing the Battery). 3. Remove the center control cover (see Removing the Center Control Cover). 4. Remove the keyboard (see Removing the Keyboard). 5. Remove the media controls board (see Removing the Media Controls Board). 6. Remove the palm rest (see Removing the Palm Rest). 7. Remove the screw that secures the Bluetooth card to the system board. 8. Lift the Bluetooth card to disconnect it from the system board connector. Replacing the Bluetooth Card 1. Follow the procedures in Before You Begin. 2. Align the connector on the Bluetooth card with the connector on the system board and press the Bluetooth card until it is fully seated. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer). CAUT...
