Difference between revisions of "Known Problems"
(added more obvious known problems) |
(added more known problems) |
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*[[Problem with red tinted display|Problem with failing CCFL tubes on CCFL-backlit display panels]] (any model with a CCFL-backlit panel) | *[[Problem with red tinted display|Problem with failing CCFL tubes on CCFL-backlit display panels]] (any model with a CCFL-backlit panel) | ||
*[https://forum.thinkpads.com/viewtopic.php?t=125590 Problem with air bubbles forming due to inadequate adhesive used] (X61 Tablet) | *[https://forum.thinkpads.com/viewtopic.php?t=125590 Problem with air bubbles forming due to inadequate adhesive used] (X61 Tablet) | ||
| + | *[https://support.lenovo.com/sg/en/solutions/ht051485 Problem with image retention/persistence on IPS-based TFT displays] (X220, X220i, X220 Tablet, X220i Tablet) | ||
===Storage-related=== | ===Storage-related=== | ||
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*[[Problem with USB 2.0|Problem with loose southbridge chips]] (T4x, R5x, X40) | *[[Problem with USB 2.0|Problem with loose southbridge chips]] (T4x, R5x, X40) | ||
*[https://forum.thinkpads.com/viewtopic.php?t=83881 Problem with dead southbridge caused by inadequate short-circuit protection] (X40) | *[https://forum.thinkpads.com/viewtopic.php?t=83881 Problem with dead southbridge caused by inadequate short-circuit protection] (X40) | ||
| − | *[https:// | + | *[https://forum.thinkpads.com/viewtopic.php?t=100554 Problem with faulty NVIDIA GPU caused by inadequate solder bump material] (T61p, T61, R61, R61i) |
*[https://forum.thinkpads.com/viewtopic.php?t=75571 Problem with dead VGA port] (X61, X61s, X61 Tablet) | *[https://forum.thinkpads.com/viewtopic.php?t=75571 Problem with dead VGA port] (X61, X61s, X61 Tablet) | ||
*[https://forum.thinkpads.com/viewtopic.php?t=114823 Problem with broken USB ports' tabs] (W500, T400, T500, R400, R500) | *[https://forum.thinkpads.com/viewtopic.php?t=114823 Problem with broken USB ports' tabs] (W500, T400, T500, R400, R500) | ||
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===External-related=== | ===External-related=== | ||
*[[Problem with Dock USB Ports]] | *[[Problem with Dock USB Ports]] | ||
| − | *[[Problems accessing cdrom drive]] | + | *[[Problems accessing cdrom drive]] (T400) |
| − | *[[Problem with Overheating then reboot since Ubuntu 11.10]] | + | *[[Problem with Overheating then reboot since Ubuntu 11.10]] (T500) |
==Casing Problems== | ==Casing Problems== | ||
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*[[Problem with Bending / Twisting|Problem with malformed casing caused by bending/twisting]] (T4x, X4x) | *[[Problem with Bending / Twisting|Problem with malformed casing caused by bending/twisting]] (T4x, X4x) | ||
*[[Problem with hot surfaces]] | *[[Problem with hot surfaces]] | ||
| + | *[https://forum.thinkpads.com/viewtopic.php?t=105764 Problem with broken left hinge] (SLx00 series) | ||
*[http://forum.notebookreview.com/threads/thinkpads-are-so-tough-anyone-have-this-happen.630506/#post-8140167 Problem with hairline cracks forming on palmrest] (T400s, T410s) | *[http://forum.notebookreview.com/threads/thinkpads-are-so-tough-anyone-have-this-happen.630506/#post-8140167 Problem with hairline cracks forming on palmrest] (T400s, T410s) | ||
Revision as of 17:18, 4 January 2020
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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
- Problem with dead pixels or subpixels on TFT display panels (any model with a TFT panel)
- Problem with broken inverter (any model with an inverter)
- Problem with garbled screen (A3x, T30, T4x, R32, R40, R5x)
- Problem with key and trackpoint markings on the display
- Problem with slow response rate of red subpixels on TFT display panels
- Problem with failing CCFL tubes on CCFL-backlit display panels (any model with a CCFL-backlit panel)
- Problem with air bubbles forming due to inadequate adhesive used (X61 Tablet)
- Problem with image retention/persistence on IPS-based TFT displays (X220, X220i, X220 Tablet, X220i Tablet)
- Problem with hard drive clicking noises caused by excessive head parking (any model with a AAM/APM-capable HDD)
- Problem with failing Ultrabay 2000 Zip 250 drives
- Problem with faulty voltage regulators (A2x, T20, T21, T22)
- Problem with inductors falling off (T23)
- Problem with capacitors falling off (R31)
- Problem with faulty VRAM chips (A3x)
- Problem with dead audio codec chip (A31, A31p)
- Problem with loose solder joints on a RAM slot (T20, T21, T30, X3x)
- Problem with loose southbridge chips (T4x, R5x, X40)
- Problem with dead southbridge caused by inadequate short-circuit protection (X40)
- Problem with faulty NVIDIA GPU caused by inadequate solder bump material (T61p, T61, R61, R61i)
- Problem with dead VGA port (X61, X61s, X61 Tablet)
- Problem with broken USB ports' tabs (W500, T400, T500, R400, R500)
- Problem with premature battery death (600 series)
- Problem with damaged 56 W AC adapters
- High-pitch noise from AC-Adapter
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) (models with MiniPCI, MiniPCIe, and M.2 slots)
- Problem with lm-sensors (570E, 770X/Z, 600E/X, 240, X20)
- Problem with disabled VT (X60, X60s, X60 Tablet, Z61t, Z61e, Z61m, Z61p)
- Firmware issues
- Problem with Dock USB Ports
- Problems accessing cdrom drive (T400)
- Problem with Overheating then reboot since Ubuntu 11.10 (T500)
Casing Problems
- Problem with cracks forming on palmrest or keyboard bezel (T2x)
- Problem with hairline cracks forming nearby hinges (R3x)
- Problem with malformed casing caused by bending/twisting (T4x, X4x)
- Problem with hot surfaces
- Problem with broken left hinge (SLx00 series)
- Problem with hairline cracks forming on palmrest (T400s, T410s)
