Cache, if removable 2. An operating system password is very similar to a power-on password and denies access to the computer by an unauthorized thinkentre when the password is activated. If you are unable to isolate and repair the problem yourself after running the programs, save and print the log files created by the programs. Undetermined Problems Undetermined problems If you encounter undetermined problems, do the following: Comments to this Manuals Your Name. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or lenovo thinkcentre mt-m thinkcentrf fire or smoke damage. Page 29 Chapter 2 Safety information Keep fingers and other body parts away.
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Remove or disconnect the following components if installed one at a time. Lower the optical drive bay assembly. Depending on your model type, your computer might come with a secondary hard disk drive bay for installing or replacing a secondary hard disk drive.
Reconnect the internal speaker cable to the system board. Internal drives are installed in bays.
Pivot the optical drive upward and disconnect the power supply assembly cables from all drives and from power connectors on the system board. Install and tighten the four screws to secure the power supply assembly. Use only screws provided tihnkcentre Lenovo.
Operating system password Note: Locating Lenovo thinkcentre mt-m Drives, Handling Static-sensitive Devices Locating internal drives Internal drives lenovo thinkcentre mt-m 5048 devices that your computer uses lnovo read and store data.
Notices Lenovo representative for information on the products and services currently lnovo in your area.
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Release the lever securing the microprocessor retainer and open the retainer to access the microprocessor. Quando si sostituisce la batteria al litio, utilizzare solo il Numero parte 45C lenovo thinkcentre mt-m un tipo di batteria equivalente consigliato dal produttore.
Pivot the optical drive bay upward and connect the card reader cable to one of the USB lenovo thinkcentre mt-m 5048 on the system board. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may used instead. Then install the two screws to secure the card reader to the bracket.
Removing lenovo thinkcentre mt-m 5048 old optical drive 8. Run Normal Test runs a more extensive set of tests than Run Quick Test does and takes longer to complete.
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Audio card, if installed 4. Position the cover presence switch so that the screw hole in the cover presence switch is aligned with the corresponding hole in the chassis. Locate the heat sink and tbinkcentre assembly. The system fan lenovo thinkcentre mt-m 5048 is attached to the chassis by four rubber mounts.
Undetermined Problems Undetermined problems If you encounter undetermined problems, do the following: Replacing the system board. Check power supply 3. Riser card, if installed 3.
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Reconnect the power supply assembly cables to the system board and each of the drives. Lift the thinmcentre handle and open the retainer to lenovo thinkcentre mt-m the microprocessor Figure To install a new hard disk drive into the blue bracket, flex the bracket and align pinpinpin and pin on the bracket with the corresponding holes in the hard disk drive. Remove the front bezel by releasing the three plastic tabs on the top of the front bezel and pivoting the front bezel outward to remove it from the computer.
Follow this sequence to remove the four screws that lenovo thinkcentre mt-m the heat sink and fan assembly to the my-m board: Power connectors on the system lenovo thinkcentre mt-m 5048 Lenovvo To avoid lenovo thinkcentre mt-m 5048 shock hazard: Install and tighten the four screws to secure the power supply assembly. If you are unable to isolate and repair the problem yourself after running the programs, save and lehovo the log files created by the programs.
Do not touch the circuit board on the bottom of the hard disk drive.