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Istruzioni per l'uso Dell, Modello OptiPlex 990

Produttore : Dell
File Size : 15.64 mb
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Lingua di insegnamento: en
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Facilità d'uso


Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Remove the front bezel. 4. Remove the drive cage. 5. Disconnect the intrusion cable from system board. 6. Slide the intrusion switch over and remove it off the bracket. Installing The Chassis Intrusion Switch 1. Insert the intrusion switch into the bracket on the power supply and slide it over to secure it. 2. Connect the intrusion cable to the system board. 3. Install the drive cage. 4. Install the front bezel. 5. Install the cover. 6. Follow the procedures in After Working Inside Your Computer. Speaker Removing the Internal Speaker 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Remove the front bezel. 4. Remove the drive cage. 5. Disconnect the speaker cable from the system board. 6. Pull out the speaker cable from beneath the system fan cable and wireless local Area network (WLAN) antennae (if installed). 7. Release the latch and rotate the speaker. 8. Remove the speaker from the chassis. Installing The Internal Speaker 1. Place the speaker on the appropriate location of the chassis rear and rotate until the latch is secured in place. 2. Route the speaker cable beneath the system fan cable and wireless local area network (WLAN) antennae (if installed). 3. Connect the speaker cable to the system board. 4. Install the drive cage. 5. Install the front bezel. 6. Install the cover. 7. Follow the procedures in After Working Inside Your Computer. Heat Sink Removing the Heat Sink 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Remove the front bezel. 4. Remove the drive cage. 5. Disconnect the heat sink/fan assembly cable from the system board. 6. Press the release lever down and move it outward to release the fan retention hook that secures it. 7. Raise the heat sink/fan assembly. 8. Loosen the captive screws to secure the heat sink/fan assembly to the system board. 9. Lift the heat sink/fan assembly upward, and remove it from the computer. Lay the assembly with the fan facing downward, and with the thermal grease facing upward. Installing The Heat Sink 1. Place the heat sink/fan assembly into the chassis. 2. Tighten the captive screws to secure the heat sink/fan assembly to the system board. 3. Lower the heat sink/fan assembly. 4. Press the release lever down and then move it inward to secure it with the fan retention hook. 5. Connect the heat sink/fan assembly cable to the system board. 6. Install the drive cage. 7. Install the front bezel. 8. Install the cover. 9. Follow the procedures in After Working Inside Your Computer. 28 Processor 10 Removing the Processor 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Remove the front bezel. 4. Remove the drive cage. 5. Remove the heat sink. 6. Press the release lever down. Then move it outward to release it from the retention hook that secures it. 7. Raise the processor cover. 8. Lift the processor to remove it from the socket and place it into an antistatic packaging. Installing The Processor 1. Insert the processor into the processor socket. Ensure the processor is properly seated. 2. Lower the processor cover. 3. Press the release lever down and then move it inward to secure it with the retention hook. 4. Install the heat sink. 5. Install the drive cage. 6. Install the front bezel. 7. Install the cover. 8. Follow the procedures in After Working Inside Your Computer. Coin-Cell Battery 11 Removing the Coin-Cell Battery 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Remove the front bezel. 4. Remove the drive cage. 5. Remove the heat sink. 6. Press the release latch away from the battery to allow the battery to pop up from the socket. 7. Lift the coin-cell battery out of the computer and properly dispose of the battery. Installing The Coin-Cell Battery 1. Place the coin-cell battery into the slot on the system board. 2. Press the coin-cell battery downward until the release latch springs back into place to secure it. 3. Install the heat sink. 4. Install the drive cage. 5. Install the front bezel. 6. Install the cover. 7. Follow the procedures in After Working Inside Your Computer. Chassis Fan 12 Removing the System Fan 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Remove the front bezel. 4. Remove the drive cage. 5. Disconnect the system-fan cable from the system board. 6. Disengage the system-fan cable from the chassis. 7. Remove the screws that secure the fan to the chassis. 8. Lift and remove the system fan out of the chassis. Installing The System Fan 1. Place the system fan in the chassis. 2. Tighten the screws to secure the system fan to the chassis. 3. Thread the system-fan cable into the chassis clip. 4. Connect the system-fan cable to the system board. 5. Install the drive cage. 6. Install the front bezel. 7. Install the cover. 8. Follow the procedures in After Workin...


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