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If the problem does not reoccur, replace the device and then the system board. Name and phone number of servicer 2. Remove the battery pack and AC Adapter. The label can cause damage to the drive or can cause the drive to fail.

Important Notice This computer uses special nylon-coated screws with the following characteristics: La pile de sauvegarde contient du lithium. Ensure you can stand safely without slipping. Select the correct model name: Check for worn, frayed, or pinched cables. Mettez la pile au rebut conformement a la thin,pad en vigueur. Start the ThinkPad Configuration program.

A scratch, write-enabled, non-defective, high-density 2HD diskette is required. Symptoms cannot be recre- Use the customer-reported ated intermittent problems. Backup battery RTC 2. For partition-based hibernation, use the hibernation utility to delete the partition first before creating a new one.

See the following figure. System board Print problems. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge. Gently lift the speaker away from the display panel. If you cannot unplug it, ask the customer to power-off the wall box that supplies power to the machine and to lock the wall box in the off position. The Arrow keys can be used as screen-scroll function keys.

System board Critical battery low Save your work; then connect the AC Adapter to the computer to recharge the battery. Seek medical care if any symptoms from the fluid are present after washing. System board The system will not enter suspend mode after closing the LCD. The following shows the location of each indi- cator symbol and the meaning of each indicator. This practice jbm correct grounding of the units. Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as cosmic radiation, electronic discharge, or tyinkpad errors.

Metal objects are good electrical conduc- tors. La batterie contient du nickel. Make sure you use the correct screw for replacement. The most likely cause is listed first. Tighten screws as follows: Do not disassemble it, recharge it, throw it into fire or water, or short-circuit it. Then reinstall the Battery. IBM may have patents or pending patent applications cov- ering subject matter in this document. In standby mode, the following occurs: Verify this by shaking the computer and lis- tening for rattling sounds.

The furnishing of this document does not give you any license to these patents. Safety Inspection Guide The intent of this inspection guide is to assist you in identi- fying potentially unsafe conditions on these products.

If the problem remains, replace the following FRUs one at a time. Related Posts.


IBM ThinkPad 390 Hardware Maintenance Manual

Bei Stromausfall wird das Board unbrauchbar!! Und so suchte ich in letzter Zeit nach etwas, das klein, schwarz und vor allem alt ist. Das X lief an, der Bootsplash fror ein und das wars gewesen. Beide waren portofrei zu verschenken, gegen Spende aufs Spendenkonto. Da ich im Chat etliche Tage vorher von meiner Suche berichtet hatte, wurde dort nicht lange gefackelt.


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