Maintenance

Here you can find general hints about keeping your ThinkPad in good shape. Look at your models category page for IBMs official maintenance guide for that model.

Battery Treatment

Battery life expanding guide

Battery Type	NiCd	NiMH	Lithium ion
General	always do complete discharge/charge cycles avoid exposing the battery (or notebook) to excessive heat	always do complete discharge/charge cycles avoid exposing the battery (or notebook) to excessive heat	never completely discharge the battery, partial dis-/recharges are better remove battery when on AC avoid exposing the battery (or notebook) to excessive heat
Charging	discharge before charging	discharge before charging	avoid charging if batter is nearly full keep notebook off while charging
Storage	almost discharged cool and dry	almost discharged cool and dry	never fully charged or discharged, ideally at about 40% cool an dry, but do not freeze them

Hint:

Newer Thinkpads have software that lets you set charge thresholds. If you use your Laptop at a desk, use this software to keep your batteries in good condition.

The problem with 600 series batteries

ThinkPad 600 power management causes batteries to die before they should. Read more about this on the according problem page.

External Sources

• IBM Support - Extending battery life
• IBM Support - Battery troubleshooting
• Battery University
• BatteryUniversitys info about prolonging lithium ion batteries
• prolonging lithium ion batteries in Buchmanns Battery FAQ

Cleaning the Display

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External Sources

• IBM Support - LCD care and cleaning instructions
• IBM Support - System cleaning instructions

Dealing with spilling accidents

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Recovering BIOS passwords

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External Sources

• IBM Support - Lost or forgotten password