Symptom/Error | FRU/Action |
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Mouse and Pointing Stick | 1.See “1080 | Keyboard | ||
problems. | Unit” | on | page | 54 |
| before | replacing | any | |
FRUs.
2.Disable Trackpoint and test Mouse again. The Trackpoint can interfere with the operation of some Mouse devices.
3.Mouse
4.Keyboard Control Card
5.Keyboard
Cursor floats or moves | 1. See | “TrackPoint II | |
erratically. | Checkout” | on | |
| page | 476 | before |
| replacing | any FRUs. | |
| 2. | Mouse | |
| 3. | Keyboard | |
External display problems. 1. See “External Display
| on |
| ||
| page | 470 | before |
|
| replacing | any | FRUs. | |
| 2. | External Display | ||
| 3. | Video Card | ||
| 4. | System Board | ||
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Incorrect memory size | 1.See “Memory |
| ||
during POST. | Checkout” | on |
| |
| page | 70 before |
| |
| replacing | any | FRUs. | |
2.Base Memory Card
3.IC DRAM Card
System | hang or Intermittent 1.See “Undetermined |
| |
hang. | Problem” | on page | 93 |
| before | replacing | any |
| FRUs. |
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| 2. System Board | ||
3.Hard Disk Drive
4.Replace the last device being tested
5.Voltage Converter
The | system | goes | into | 1.System Board |
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suspend | mode after the | 2. | Voltage Converter | ||||||
POST. |
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| 3. | Keyboard | Control Card | ||
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The | system | does | not | 1.Check the |
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suspend | or | resume. | Suspend/Resume |
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| switch | operation. If | |||
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| broken, | replace | the | ||
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| Voltage | Converter. | |||
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| 2. | System Board | |||
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| 3. | Voltage Converter | |||
4.Keyboard Control Card
5.Keyboard
The computer does not | 1.Voltage Converter |
2. System Board |
ThinkPad 700, 700C, 720, 720C (9552)91