HT3964 USB port not working even after resetting the SMC and PRAM, what can I do now?
Hi All,
I've got the "USB port draining too much energy" error message a couple of weeks ago and since then I've tried many times to reset the PRAM and SMC but still, one of my USB port is not working.
Could anyone please tell what I can do next ??
Thanks a lot
If you live near an apple store make an appointment. They will perform a DFU restore using known good equipment.
If that doesn't work you probably have liquid damage.
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My MacBook Pro will not charge, even after resetting the SMC.
My MBP will not charge. It's only a little less than 2 years old. I've reset the SMC and even an employee at the genius bar has, it still isn't charging. When I plug in the cord, my battery remains at 13% with a plug icon inside the battery. When I click on the battery, it says "Battery Not Charging" in gray.
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Manufacturer: DP
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Pack Lot Code: 0
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Firmware Version: 201
Hardware Revision: 2
Cell Revision: 158
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Please help!!When I plug in the cord, my battery remains at 13% with a plug icon inside the battery.
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Hi,
Can anyone have list of symptoms that may help a user to determine if there is a need to reset the SMC and PRAM.
I would appreciate if the high-end user of this site come up with their experiences in making a compiled list, possibly product wise, if any such attempt is not taken yet.
In case it is done already, please provide me with the active link/s.
Please see below if you need to know about the MB i am using.
Model Name: MacBook
Model Identifier: MacBook2,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache (per processor): 4 MB
Memory: 1 GB
Bus Speed: 667 MHz
Boot ROM Version: MB21.00A5.B07
SMC Version: 1.13f3
System Software Overview:
System Version: Mac OS X 10.4.11 (8S2167)
Kernel Version: Darwin 8.11.1
Look forward to it. ThanksHi,
The system profiler shows as follows-
System Power Settings:
AC Power:
System Sleep Timer (Minutes): 10
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 10
Automatic Restart On Power Loss: No
Wake On AC Change: No
Wake On Clamshell Open: Yes
Wake On LAN: Yes
Display Sleep Uses Dim: Yes
Battery Power:
System Sleep Timer (Minutes): 5
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 1
Wake On AC Change: No
Wake On Clamshell Open: Yes
Display Sleep Uses Dim: Yes
Reduce Brightness: Yes
Battery Information:
Battery Installed: Yes
First low level warning: No
Full Charge Capacity (mAh): 2750
Remaining Capacity (mAh): 2701
Amperage (mA): 0
Voltage (mV): 12454
Cycle Count: 507
AC Charger Information:
Connected: Yes
Charging: No
Hardware Configuration:
UPS Installed: No
Regarding the start up sound, i opened the L Bracket but Ram was seated properly. I just checked the ram's position but didn't remove it. However, i found the right most screw of the L-bracket was loosen, i don't know how.
Do you think i should remove the ram and reinsert it? If so, do i have to reset the PRAM after that?
The system profiler shows the ram is ok-
BANK 0/DIMM0:
Size: 512 MB
Type: DDR2 SDRAM
Speed: 667 MHz
Status: OK
BANK 1/DIMM1:
Size: 512 MB
Type: DDR2 SDRAM
Speed: 667 MHz
Status: OK
What do you think about the whole situation?
Look forward to your reply.
All the best and have a goo day Mate. -
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Message was edited by: a brody -
11:22 (7 minutes ago)
to AppleSupport
Dear Sir/Madam Since the wifi is not coming ON how can I open this diagnostic on the iphone 4S am using and having problem with wifi behaving in erratic manner.
Am a professional engineer for projects and am 68 yrs old. At one time was looking after a production line manufacturing I C's in semiconductors manufacturing company of the US.
Have four apple products, one hp laptop and one DELL professional computer at home is used by only two members me and my wife.
Wife prefers working on ipad2 or ipad mini while traveling and has iphone 4. Am using iphone4S with laptop and Dell computer, No apple product is more than two years old.
Am having the problem in using wifi on the 4S after it was upgraded to the latest ios as per the recommendation by your software of my iphone 4S
The wifi card hangs up at it's own will and even a visit to your authorized service center in Delhi has not able to help me although they have reverted the ios back to the
one supplied with the set. Am a user and not a computer expert but it looks like the wifi card is not able to some times take the load while working which could indicate the wifi card is getting heated up.
My daughter who is Masters in 3D Animation is an ardent fan of apple products working at present in Canada was also gifted by me a 4S about 4 months back. My daughter-in-law is using iphone4 and an ipad for her professional works along with a Dell PC in the US. While my son is a fan of samsung products and does not like an apple product.
So in a family we have 7 apple products except MAC laptop/PC.
But the fact is, this problem with 4S has really shaken me up and now it seems your products are deteriorating in quality while demanding the best pricing structures.
Since this is purely the device and the software of apple problem you may please replace this set with new one as neither have any time to push you/ request you after your service centre
in Delhi told me yesterday this cannot be repaired.
The serial No of my set is DN*****TC0 and was bought from an authorized dealer and so were the other products from the same dealer in Delhi. This set is still in showroom condition and
was never used without a protective cover.
Thanks
Ashok Dhingra
D E E Hons B E Tech MBA
Vasant Kunj Delhi
<Personal Information Edited by Host>11:22 (7 minutes ago)
to AppleSupport
Dear Sir/Madam Since the wifi is not coming ON how can I open this diagnostic on the iphone 4S am using and having problem with wifi behaving in erratic manner.
Am a professional engineer for projects and am 68 yrs old. At one time was looking after a production line manufacturing I C's in semiconductors manufacturing company of the US.
Have four apple products, one hp laptop and one DELL professional computer at home is used by only two members me and my wife.
Wife prefers working on ipad2 or ipad mini while traveling and has iphone 4. Am using iphone4S with laptop and Dell computer, No apple product is more than two years old.
Am having the problem in using wifi on the 4S after it was upgraded to the latest ios as per the recommendation by your software of my iphone 4S
The wifi card hangs up at it's own will and even a visit to your authorized service center in Delhi has not able to help me although they have reverted the ios back to the
one supplied with the set. Am a user and not a computer expert but it looks like the wifi card is not able to some times take the load while working which could indicate the wifi card is getting heated up.
My daughter who is Masters in 3D Animation is an ardent fan of apple products working at present in Canada was also gifted by me a 4S about 4 months back. My daughter-in-law is using iphone4 and an ipad for her professional works along with a Dell PC in the US. While my son is a fan of samsung products and does not like an apple product.
So in a family we have 7 apple products except MAC laptop/PC.
But the fact is, this problem with 4S has really shaken me up and now it seems your products are deteriorating in quality while demanding the best pricing structures.
Since this is purely the device and the software of apple problem you may please replace this set with new one as neither have any time to push you/ request you after your service centre
in Delhi told me yesterday this cannot be repaired.
The serial No of my set is DN*****TC0 and was bought from an authorized dealer and so were the other products from the same dealer in Delhi. This set is still in showroom condition and
was never used without a protective cover.
Thanks
Ashok Dhingra
D E E Hons B E Tech MBA
Vasant Kunj Delhi
<Personal Information Edited by Host> -
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