Difference between revisions of "Known Problems"
(recategorized problems list, removed problems that have been solved ages ago by updated drivers) |
(added more obvious known problems) |
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==Hardware Problems== | ==Hardware Problems== | ||
===Display-related=== | ===Display-related=== | ||
| − | *[[Problem with Pixel Error | | + | *[[Problem with Pixel Error|Problem with dead pixels or subpixels on TFT display panels]] (any model with a TFT panel) |
| − | *[[Problem with broken inverter | + | *[[Problem with broken inverter]] (any model with an inverter) |
| − | *[[Problem with garbled screen | + | *[[Problem with garbled screen]] (A3x, T30, T4x, R32, R40, R5x) |
| − | *[[Problem with key and trackpoint markings on the | + | *[[Problem with key and trackpoint markings on the display]] |
| − | *[[Problem with red display shadow | | + | *[[Problem with red display shadow|Problem with slow response rate of red subpixels on TFT display panels]] |
| − | *[[Problem with red tinted display | | + | *[[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) | ||
===Storage-related=== | ===Storage-related=== | ||
| − | *[[Problem with hard drive clicking | | + | *[[Problem with hard drive clicking|Problem with hard drive clicking noises caused by excessive head parking]] (any model with a AAM/APM-capable HDD) |
| − | *[[Problem with failing Zip drive | + | *[[Problem with failing Zip drive|Problem with failing Ultrabay 2000 Zip 250 drives]] |
===Motherboard-related=== | ===Motherboard-related=== | ||
| − | |||
| − | |||
| − | |||
*[https://forum.thinkpads.com/viewtopic.php?t=59577 Problem with faulty voltage regulators] (A2x, T20, T21, T22) | *[https://forum.thinkpads.com/viewtopic.php?t=59577 Problem with faulty voltage regulators] (A2x, T20, T21, T22) | ||
| + | *[https://forum.thinkpads.com/viewtopic.php?f=28&t=21979 Problem with inductors falling off] (T23) | ||
| + | *[https://forum.thinkpads.com//viewtopic.php?t=60935 Problem with capacitors falling off] (R31) | ||
| + | *[https://forum.thinkpads.com/viewtopic.php?t=122413 Problem with faulty VRAM chips] (A3x) | ||
| + | *[https://forum.thinkpads.com/viewtopic.php?t=101400 Problem with dead audio codec chip] (A31, A31p) | ||
| + | *[[Problem with failing memory slot|Problem with loose solder joints on a RAM slot]] (T20, T21, T30, X3x) | ||
| + | *[[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://www.semiaccurate.com/2010/07/11/why-nvidias-duff-chips-are-due-shoddy-engineering/ Problem with faulty NVIDIA GPU caused by inadequate solder bump material] (T6x, R6x) | ||
| + | *[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) | ||
===Power-related=== | ===Power-related=== | ||
| − | *[[Problem with ThinkPad 600 batteries| | + | *[[Problem with ThinkPad 600 batteries|Problem with premature battery death]] (600 series) |
| − | *[[Damage in 56W AC-Adapter, plastic housing melted |AC | + | *[[Damage in 56W AC-Adapter, plastic housing melted|Problem with damaged 56 W AC adapters]] |
| − | *[[High-pitch noise from AC-Adapter]] | + | *[[High-pitch noise from AC-Adapter]] |
==Software Problems== | ==Software Problems== | ||
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===BIOS/UEFI-related=== | ===BIOS/UEFI-related=== | ||
| − | *[[Problem with unauthorized MiniPCI network card|"Unauthorized" MiniPCI Wireless Network card error (Error 1802)]] | + | *[[Problem with unauthorized MiniPCI network card|"Unauthorized" MiniPCI Wireless Network card error (Error 1802)]] (models with MiniPCI, MiniPCIe, and M.2 slots) |
| − | *[[Problem with disabled VT]] | + | *[[Problem with lm-sensors]] (570E, 770X/Z, 600E/X, 240, X20) |
| + | *[[Problem with disabled VT]] (X60, X60s, X60 Tablet, Z61t, Z61e, Z61m, Z61p) | ||
| + | *[[Embedded Controller Firmware#Firmware_issues|Firmware issues]] | ||
| − | === | + | ===External-related=== |
| − | + | *[[Problem with Dock USB Ports]] | |
| − | *[[Problem with Dock USB Ports | ||
| − | |||
| − | |||
| − | |||
| − | |||
*[[Problems accessing cdrom drive]] <tt>(T400)</tt> | *[[Problems accessing cdrom drive]] <tt>(T400)</tt> | ||
*[[Problem with Overheating then reboot since Ubuntu 11.10]] <tt>(T500)</tt> | *[[Problem with Overheating then reboot since Ubuntu 11.10]] <tt>(T500)</tt> | ||
==Casing Problems== | ==Casing Problems== | ||
| + | *[https://forum.thinkpads.com/viewtopic.php?f=28&t=42006 Problem with cracks forming on palmrest or keyboard bezel] (T2x) | ||
*Problem with hairline cracks forming nearby hinges (R3x) | *Problem with hairline cracks forming nearby hinges (R3x) | ||
| − | *[[Problem with Bending / Twisting| | + | *[[Problem with Bending / Twisting|Problem with malformed casing caused by bending/twisting]] (T4x, X4x) |
| + | *[[Problem with hot surfaces]] | ||
| + | *[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 14:43, 2 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 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 (T6x, R6x)
- 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 hairline cracks forming on palmrest (T400s, T410s)
