T
tech cafe
Once again, my ThinkPad A30p (model 2653-65U) has developed the
infamous display problem that has plagued many A30p owners; flashing
blue lines, unreadable, garbled text when the machine is turned-on.
The display corruption (seemingly) stops after WinXP loads the display
driver (the Windows GUI looks OK), BUT full-motion video (overlays, et
al) is severely distorted (flashing horizontal lines), AND instead of
32MB video memory (onboard), only 16MB video ram is detected by the
driver, the other 16MB of VRAM is missing! This can be verified in
WinXP by bringing up the Display Properties (right-click on desktop),
Settings, Advanced, Adapter tab; the detected Memory Size *should =
32MB*, but it shows only 16MB, where did the other 16MB go???
obviously, there is a hardware problem.
details - On the A30p mainboard, there are 2x16MB Samsung memory
modules located near the ATi M6 GPU (Graphics Processor Unit), which as
we know is NOT heat-sinked (big mistake) and gets very hot (because it
is located underneath the CPU's heatsink); this design flaw leads me to
conclude that heat and/or mechanical stress has caused the GPU to form
a cold solder joint, which is BGA-mounted (ball grid array) to the
mainboard, or perhaps micro-cracks formed in the mainboard itself.
Whatever the actual source of the problem, it results in an
electo-mechanical failure; if the A30p chassis is moved or flexed
slightly (during POST), the distortion pattern on the screen (blue
lines, garbled text, etc) also changes and sometimes the video
corruption will temporarily stop. In my case, this is the second time
it's happened, the motherboard in my A30p was already replaced once,
for the exact same problem (blue lines, garbled text during POST,
missing 16MB VRAM).
I suspect that the display corruption problem stems from moving the
ThinkPad when it's still warm. That is, after the A30p has been in
operation for a while, the mainboard and GPU heat-up considerably,
then, if the machine is packed-up and in-transit (in your backpack,
laptop bag), expansion/contraction of the internal components (GPU,
mainboard, et al) and mechanical stress (from normal usage) on the
delicate chassis causes electrical connection problems to develop;
certain components (GPU or VRAM) become disconnected or the mainboard
itself develops micro-cracks (broken circuit traces).
IMO, there are design/manufacturing defects with the ThinkPad A30
series, but will IBM will acknowledge this? Unfortunately for their
customers, probably not.
Incidentally, I've also had the LCD display panel replaced in my
machine twice, because the backlighting dies; there's a problem with
the fluorescent tubes, they prematurely fail. Has your backlighting
gone dim, acquired a pinkish hue, particularly during a cold start?
That means they're gonna die soon. The backlighting in my A30p died
not long after I bought the machine. The backlighting issue is
unrelated to the overheating GPU (display corruption) issue, however.
Whatever the sources of these well-known display issues, the simple
facts are:
A30p ThinkPads are prone to LCD and GPU/VRAM (heat-related) failures
and the chassis is much too delicate for portable use.
I firmly believe that IBM should make amends and offer to extend the
warranty on these defective A30s, the machine is prone to serious
display problems, making it unreliable and costly to own (repair costs,
downtime, frustration, etc). It's shameful that IBM won't acknowledge
and take responsibilty for what is obviously a manufacturing and/or
design defect. My otherwise great experience with the A30p has been
tainted by its persistent display problems. The reason I bought the
A30p was because of its high-quality UXGA display, ironically, it's the
one thing that's been an unending source of frustration and expense.
And this machine was not cheap either, with a base price of several
thousand dollars (cdn), plus hard drive and memory upgrades, etc, it
set me back almost $5,000! I expected to get at least 5 years of
trouble-free operation out of it, but it was less than a year before
all the problems began.
Anyone got ideas??? Can we, as a group, petition someone at IBM to
replace our (defective) motherboards, free of charge... hell, I'll even
put the board in myself if necessary, I've already replaced the LCD
panel myself (the second time it went dead). The A30p has a beautiful
display - when it works that is - but the machine is too delicate and
sensitive to heat. Someone at IBM knows this, but they're not
talking... or listening either.
If someone at IBM/Lenovo is reading this, please FIX what is YOUR
mistake, and do right by your customers. Replace our *defective*
motherboards at no charge or at least offer us an upgrade to the A31
series perhaps, for a nominal fee, if any. Restore our faith in IBM...
and what WAS a good brand of portable computers.
btw, my A30p is the third ThinkPad I've owned over the years... the
other two are still working great, even though they are older models.
too bad the same can't be said for this A30p hunk of junk.
--
francis
(e-mail address removed)
other issues with the ThinkPad A30p include well-known problems with
the IEEE1394 bus controller and Philips S-video decoder (PHILDECN.sys).
Essentially, the firewire bus is unreliable (resets itself
intermittently, causing data loss) and the PHILDECN.SYS driver causes
intermittent blue screens in XP). i've had to disable the Philips WDM
Video Decoder via the Windows device manager just so the machine
remains stable. Thankfully, I don't need to use the S-Video ports, and
I was forced to buy a PCMCIA firewire card, but shame on IBM for not
dealing with these obvious defects.
infamous display problem that has plagued many A30p owners; flashing
blue lines, unreadable, garbled text when the machine is turned-on.
The display corruption (seemingly) stops after WinXP loads the display
driver (the Windows GUI looks OK), BUT full-motion video (overlays, et
al) is severely distorted (flashing horizontal lines), AND instead of
32MB video memory (onboard), only 16MB video ram is detected by the
driver, the other 16MB of VRAM is missing! This can be verified in
WinXP by bringing up the Display Properties (right-click on desktop),
Settings, Advanced, Adapter tab; the detected Memory Size *should =
32MB*, but it shows only 16MB, where did the other 16MB go???
obviously, there is a hardware problem.
details - On the A30p mainboard, there are 2x16MB Samsung memory
modules located near the ATi M6 GPU (Graphics Processor Unit), which as
we know is NOT heat-sinked (big mistake) and gets very hot (because it
is located underneath the CPU's heatsink); this design flaw leads me to
conclude that heat and/or mechanical stress has caused the GPU to form
a cold solder joint, which is BGA-mounted (ball grid array) to the
mainboard, or perhaps micro-cracks formed in the mainboard itself.
Whatever the actual source of the problem, it results in an
electo-mechanical failure; if the A30p chassis is moved or flexed
slightly (during POST), the distortion pattern on the screen (blue
lines, garbled text, etc) also changes and sometimes the video
corruption will temporarily stop. In my case, this is the second time
it's happened, the motherboard in my A30p was already replaced once,
for the exact same problem (blue lines, garbled text during POST,
missing 16MB VRAM).
I suspect that the display corruption problem stems from moving the
ThinkPad when it's still warm. That is, after the A30p has been in
operation for a while, the mainboard and GPU heat-up considerably,
then, if the machine is packed-up and in-transit (in your backpack,
laptop bag), expansion/contraction of the internal components (GPU,
mainboard, et al) and mechanical stress (from normal usage) on the
delicate chassis causes electrical connection problems to develop;
certain components (GPU or VRAM) become disconnected or the mainboard
itself develops micro-cracks (broken circuit traces).
IMO, there are design/manufacturing defects with the ThinkPad A30
series, but will IBM will acknowledge this? Unfortunately for their
customers, probably not.
Incidentally, I've also had the LCD display panel replaced in my
machine twice, because the backlighting dies; there's a problem with
the fluorescent tubes, they prematurely fail. Has your backlighting
gone dim, acquired a pinkish hue, particularly during a cold start?
That means they're gonna die soon. The backlighting in my A30p died
not long after I bought the machine. The backlighting issue is
unrelated to the overheating GPU (display corruption) issue, however.
Whatever the sources of these well-known display issues, the simple
facts are:
A30p ThinkPads are prone to LCD and GPU/VRAM (heat-related) failures
and the chassis is much too delicate for portable use.
I firmly believe that IBM should make amends and offer to extend the
warranty on these defective A30s, the machine is prone to serious
display problems, making it unreliable and costly to own (repair costs,
downtime, frustration, etc). It's shameful that IBM won't acknowledge
and take responsibilty for what is obviously a manufacturing and/or
design defect. My otherwise great experience with the A30p has been
tainted by its persistent display problems. The reason I bought the
A30p was because of its high-quality UXGA display, ironically, it's the
one thing that's been an unending source of frustration and expense.
And this machine was not cheap either, with a base price of several
thousand dollars (cdn), plus hard drive and memory upgrades, etc, it
set me back almost $5,000! I expected to get at least 5 years of
trouble-free operation out of it, but it was less than a year before
all the problems began.
Anyone got ideas??? Can we, as a group, petition someone at IBM to
replace our (defective) motherboards, free of charge... hell, I'll even
put the board in myself if necessary, I've already replaced the LCD
panel myself (the second time it went dead). The A30p has a beautiful
display - when it works that is - but the machine is too delicate and
sensitive to heat. Someone at IBM knows this, but they're not
talking... or listening either.
If someone at IBM/Lenovo is reading this, please FIX what is YOUR
mistake, and do right by your customers. Replace our *defective*
motherboards at no charge or at least offer us an upgrade to the A31
series perhaps, for a nominal fee, if any. Restore our faith in IBM...
and what WAS a good brand of portable computers.
btw, my A30p is the third ThinkPad I've owned over the years... the
other two are still working great, even though they are older models.
too bad the same can't be said for this A30p hunk of junk.
--
francis
(e-mail address removed)
other issues with the ThinkPad A30p include well-known problems with
the IEEE1394 bus controller and Philips S-video decoder (PHILDECN.sys).
Essentially, the firewire bus is unreliable (resets itself
intermittently, causing data loss) and the PHILDECN.SYS driver causes
intermittent blue screens in XP). i've had to disable the Philips WDM
Video Decoder via the Windows device manager just so the machine
remains stable. Thankfully, I don't need to use the S-Video ports, and
I was forced to buy a PCMCIA firewire card, but shame on IBM for not
dealing with these obvious defects.