Question about Toshiba Portege 7140CT Notebook

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Toshiba Portege 7140CT battery problem

Most of the time my system won't recognize the presence of the battery. Occasionally the power icon indicates the battery is charging, but after it reaches about 15%, it goes blank and again tells me no battery is present. The battery is new and works on a friend's system. How can I get my system to recognize and charge the battery? Thanks.

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  • Anonymous Jun 14, 2008

    I have exactly the same problem with my 7140CT. When the computer "loses" the battery if I shut down and try to restart on the battery it shuts down after a second or so (the HD starts and immediately stops). The battery has to be disconnected and reconnected in order for the computer to function on the battery alone - which it then does no problem. Switching on the power whilst in battery mode restarts the charging - but it shuts off again within 10 minutes at the most. The Windows power meter shows AC Mode when running on the battery alone after restarting when the orange charging light goes off.

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Your ac adapter may be the problem. Is the adapter in good condition. Try using your friends ac adapter since you have the same model laptop. If it charges up your battery and the light stays on your adapter is at fault. Then replace your adapter or the part of it that is at fault. It could be the plug or base. If that does not solve your problem check your dc port on the laptop itself. Shut it down. On the back of your laptop where you plug in the ac adapter there is a pin. Does the pin move? If it does then you have another problem. The port may need replacing which most repair shops don't do. They usually replace the main board which can be costly. Hopefully that's not the problem. Let me know if either of these are not the case then we can go from there. Hope this solves your problem

Posted on Sep 08, 2007

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Toshiba 7140CT laptop only recognizes 65000 kb of new 250gb hdd when started with FDisk


An nice old machine!
If I recall correctly, FDISK low level formats partitions and I don't think the new hard drive will accept it without struggling. The bios on the mother board will not accept a drive as large as 250Gb as they didn't exist when the Bios was made.
Try partitioning as you require and format either FAT16 or FAT32 with another machine and see if it will accept it. I think the Bios was restricted to 6Gb drives so you may need to set up a lot of partitions!

Hope this helps.
Processor
Mobile Intel® Pentium® III processor, 500 MHz, 256 KB 2nd level cache, 100 MHz Front Side Bus Memory
Standard 64 MB SDRAM, expandable to 320 MB Hard disk
6.0 GB1) capacity, S.M.A.R.T. hard disk Internal video modes
1,024 x 768 x 16.7 million colours Display
13.3" (33.8 cm) TFT active matrix colour display Battery
Removable lithium-ion battery, 2-3 hrs battery life, with extra high capacity battery up to 5 hrs Size and Weight
297 x 241 x 25 mm, 2 kg Further Product Specifications1_download.gif

Diskette drive
External: 3.5" 1.44 MB/720 KB
DVD-ROM drive2)
6-speed (max) with optional DVD Network Dock II, 12 cm (5.25") and 8 cm (3.5") disks, data transfer 3,600 KB/sec, average access time: 140 ms
Graphics adaptor
128-bit graphics accelerator, SVGA-/VGA compatible, AGP bus, 64-bit BiTBlT, 4 MB internal Video RAM
External video modes
640 x 480 x 16.7 million colours,
800 x 600 x 16.7 million colours,
1,024 x 768 x 16.7 million colours,
1,280 x 1,024 x 65,536 colours,
1,600 x 1,200 x 65,536 colours
Up to 85 Hz refresh rate
Keyboard
86 keys, 12 function keys, 8 dedicated cursor keys, inlaid numeric keypad, 8 Hot Keys, 2 Windows® keys, AccuPoint™ II, Euro key
Sound System
16-bit stereo Sound Blaster Pro compatible, 3D-wide mode, MIDI & Wavetable synthesis, volume dial, built-in speaker and microphone
BIOS
ACPI (1.0b) enabled BIOS, SM BIOS V. 2.3
Expansion
2 x PC Card Type II or
1 x PC Card Type III,
CardBus support, memory expansion
Communication
Integrated international V.90 modem (56 Kbps data, 14.4 Kbps fax)
Interfaces
FDD connector, external monitor, USB, Fast Infrared Port, RJ 11 modem jack, headphone, external microphone, slot for Kensington Cable Lock
With I/O Adaptor:
serial, parallel, PS/2™ mouse and keyboard
With Docking Station (DVD Network Dock II):
serial, parallel, external monitor, PS/2™ mouse and keyboard, video out (NTSC/PAL), line-in, line-out, integrated FDD, includes built-in Ethernet (Wake-On-LAN and Service Boot support), 6-speed DVD-ROM drive
Power supply
Autosensing 100-240 V AC adaptor for world-wide usage
Casework
Magnesium alloy
Bundled software
Windows® 95 and Windows® 98 selectable installation, Windows® NT 4.0 on request (limited language versions available), PC Card management software, Toshiba utilities and drivers (all preinstalled on the hard disk)
Bundled hardware
External diskette drive, autosensing AC adaptor, I/O adaptor
Special features
Toshiba Hibernation and Resume, Toshiba Power Extensions, System Password Securities, HDD password on request, SecureSleep™, LANDesk Client Manager (LDCM), Wake-On-LAN and Service Boot support (with manageability software and LAN chip), Recovery CD, 3-year international warranty
Options
DVD Network Dock II, carrying case, extra high capacity battery, battery charger, 32, 64, 128 and 256 MB memory modules

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Please be sure to rate this solution

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I got the right info about toshiba portege 4000 battery on http://www.adapterlist.com/toshiba/portege-4000.htm toshiba portege 4000 battery but i not sure whether it will fit my notebook or not.


TOSHIBA Portege 4000 Series replacement Notebook Batteries, buy Portege 4000 Series battery and other goods are brand new and one year warranty! ship to most countries http://www.power-tool-battery.com/notebook-battery/toshiba-portege%204000%20series-1001022.htm

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