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In order to fix this problem, you will have to fully disassemble your laptop to get access to the motherboard & the power jack. If the power jack is not broken but only loose, you can re-solder it to the motherboard. Otherwise, you will need to buy a replacement power jack (usually less than US$ 10), de-solder the broken power jack, & then solder in the new one. When this is done, re-assemble back your laptop.
DC Jack diagnosis: 1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable. 2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced. 3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.) 4. Next, remove the keyboard & the LCD screen. 5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard. 6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them. 7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack. 8. When you are done, re-assemble back the laptop.
It could be one of the following: 1. Bad/damaged power jack. 2. Bad motherboard.
DC Jack diagnosis: 1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable. 2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced. 3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.) 4. Next, remove the keyboard & the LCD screen. 5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard. 6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them. 7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack. 8. When you are done, re-assemble back the laptop.
1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable. 2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced. 3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.) 4. Next, remove the keyboard & the LCD screen. 5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard. 6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them. 7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack. 8. When you are done, re-assemble back the laptop.
The
DC jack, where you plug the power adapter cable, might be loose or
defective, & needs to be either re-soldered or replaced. In order to do this, the laptop needs to be disassembled
& the motherboard taken out. Also, the motherboard needs to be checked for defective/burned out components in the
area near the DC jack. Any defective/burned out components found should
be replaced, or you might need to replace the laptop's motherboard
altogether.
It appears that your Acer has 3 ports in the front center bottomportion of the laptop. One of them should be for plugging in an external microphone, one should be for external speakers, and one should be an input jack.http://complap.com/yahoo_site_admin/assets/images/acer-travelmate-2420-2.192120139_std.jpg
It appears that your Acer has 3 ports in the front center bottom
portion of the laptop. One of them should be for plugging in an
external microphone, one should be for external speakers, and one
should be an input jack.
http://complap.com/yahoo_site_admin/assets/images/acer-travelmate-2420-2.192120139_std.jpg
search ebay for a DC Jack for your model. Disassemble your laptop. Desolder the broken DC Jack from the laptop motherboard. Solder the new DC jack onto the motherboard and reassemble laptop. If your not experienced in soldering of disassembling laptops I would recommend you hire someone to do this job. If you wish contact me [email protected]
how to replace power jack on a sony k35 ? thanks
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