Known Problems
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This page provides information regarding known problems with certain ThinkPad models. A complete fix or a work-around for a problem, may not be possible in some circumstances. |
Hardware Problems
- Dead pixels on TFT displays (all models with a TFT display)
- Inverter broken (all models with an inverter)
- Garbled Screen (A3x, T4x, R5x, R40, R32)
- Key and Trackpoint markings on display
- Red shadow on display (T41p)
- Red tinted display (TP 23)
- Clicking Hard Drive (models with Hitachi's 5k80 hard drive)
- Problem with failing Zip drive (Ultrabay 2000 Zip 250 drive)
- VGA-out will die and needs mainboard replacing (X61)
- Problem with failing memory slot (T20, T21, T30, X3x)
- USB 2.0 problems (T4x, R5x, X40)
- Problem with faulty voltage regulators (A2x, T20, T21, T22)
- 600 series Battery dying prematurely (600, 600E, 600X)
- AC-Adapter damaged, plastic housing melted (240, 390, i and s models)
- High-pitch noise from AC-Adapter (T60/p)
Software Problems
- Console unusable (all models with an S3 Savage display controller)
- DVI throughput on port replicators and docks (models from 2000-2004)
- Problems with ATI proprietary fglrx display driver (all models with an ATI display controller)
- Radeon 7500 "DynamicClocks" randomly hangs (T4x, Xorg-X11 bug report)
- Unmovable square black X in X (T2x)
- System Lockups related to video adapter (T2x)
- System Lockups related to video adapter T42 (T42, T42p)
- Video blanks after closing and opening lid (X41)
- System lockup soon after starting xorg 6.9.x (T4x)
- Video output switching
- Video brightness up keys don't work or cause crashes
- APS harddisk parking (all models with APS)
- BIOS hangs with harddrive sized over 8G (560)
- Non-ThinkPad hard disks (T43, T43p, R52, X41)
- SATA performance limited to UDMA 2 (all models with a I/O controller capable of only IDE)
- 3Com 10/100 Ethernet card not recognized (all models with this card)
- Cisco Aironet Wireless 802.11b fails to work with certain firmware versions
- Error 01C9: More than one Ethernet Devices are found (Atheros WLAN MiniPCI) (A31, A31p, T23, T30, X22, X23, X24, X30)
- Problem with e1000: EEPROM Checksum Is Not Valid (T60, X60, may be others)
- Problem with 3945ABG: Internal wifi cannot associate with AP (T60, probably others)
- Need to disable V90/V92/56K modem speed (BMDC-2 on X40)
- ACPI suspend-to-ram (ACPI sleep troubles)
- Blank display after resume (various models)
- High power drain in ACPI sleep (various models)
- LCD backlight remaining on during ACPI sleep (various models)
- Fan noise (TP T4x/p, TP R5x/p)
- Checking battery status causes mouse to jerk around (R31)
- Battery drains despite seemingly being charged (A/C adapter issues)
- High pitch noises (several models)
- CPU frequency scaling locks up when on AC power only (several models)
- Immediate restarts from suspend, hibernate, and halt (several models)
- Broken sound on ThinkPad 600/E (TP 600/E/X, 770Z)
- Audio jacks not working properly (TP T43)
- No audio heard with kernel 2.6.11+/ALSA (TP T43, T40)
- Audio clipping (TP T43, R52)
- No Sound on ThinkPad R60e and T60 (R60e, T60)
- "Unauthorized" MiniPCI Wireless Network card error (Error 1802) (Recent TPs)
- Problem with disabled VT (Z61t, X60, X60s)
Miscellaneous Problems
- System randomly freezes and requires hard reset (X61s and all newer systems including X,T,R,Z series)
- Dock USB Ports (T30/X21)
- lm_sensors kills ThinkPads (TP 570E, 770X/Z, 600E/X, 240, X20)
- Firmware issues
- Problem with hot surfaces (T43)
- Unable to create recovery cds when another python is installed on the system (T43p)
- Problems accessing cdrom drive (T400)
- Problem with Overheating then reboot since Ubuntu 11.10 (T500)
Casing Problems
- Problem with hairline cracks forming nearby hinges (R3x)
- Casing malformed by bending/twising (X4x, T4x)
