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Garmin Nuvi 255W Battery Replacement

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  1. Garmin Nuvi 255W Battery Replacement, Power Button: 步骤 1 中的图像 1,1
    • Remove the barcode sticker at the bottom of the device.

  2. Garmin Nuvi 255W Battery Replacement: 步骤 2 中的图像 1,1
    • Remove two 8.4 mm T5 screws from the bottom of the device.

  3. Garmin Nuvi 255W Battery Replacement: 步骤 3 中的图像 1,2 Garmin Nuvi 255W Battery Replacement: 步骤 3 中的图像 2,2
    • Using a plastic opening tool, carefully pry open the device.

    • Open the device carefully, making sure not to damage the gold ribbon cable that connects the screen to the motherboard.

    turn the unit around

    Andrew Hayden - 回复

    Since there is no replacement speaker whats the point of this process?

    greg - 回复

    Very detailed set of instructions! Does anyone known the thread size of the screws in step 2? 8.4 mm T5 screws: is the length of the screw (8.4 mm) ,and the head specification (T5- size of screw driver). I need the actual thread specification. I lost one of the screws and the other one 's head is stripped. I need to replace both screws.

    Harold Schultz - 回复

  4. Garmin Nuvi 255W Battery Replacement: 步骤 4 中的图像 1,2 Garmin Nuvi 255W Battery Replacement: 步骤 4 中的图像 2,2
    • Remove the power button.

    Where can I buy the button

    milosvalek - 回复

  5. Garmin Nuvi 255W Battery Replacement, Battery: 步骤 5 中的图像 1,1
    • Unscrew the four 6.70 mm screws holding the motherboard in place using a philips #0 screw driver.

  6. Garmin Nuvi 255W Battery Replacement: 步骤 6 中的图像 1,2 Garmin Nuvi 255W Battery Replacement: 步骤 6 中的图像 2,2
    • Lift up the motherboard.

    • Carefully disconnect the battery and motherboard. Slowly wiggling the connection makes it easier to disconnect the battery from the motherboard.

  7. Garmin Nuvi 255W Battery Replacement: 步骤 7 中的图像 1,2 Garmin Nuvi 255W Battery Replacement: 步骤 7 中的图像 2,2
    • Using the plastic opening tool as a wedge, pry the battery from the case. This can be fairly tough as the battery is glued to the case. Don't be afraid to use force and some good leverage.

    ottima guida ho perso ar

    Francesco Renon - 回复

结论

To reassemble your device, follow these instructions in reverse order.

15等其他人完成本指南。

Timothy

于01/26/12注册

73 声望

创作了3篇指南

团队

Cal Poly, Team 9-3, Regan Winter 2012 Cal Poly, Team 9-3, Regan Winter 2012 的会员

CPSU-REGAN-W12S9G3

5 名成员

创作了4篇指南

9条评论

Thanks for this very nicely illustrated guide.

RBStorms - 回复

Thanks for the guide. Used it to open up a Nuvi 265 because the battery had been left to discharge below the protection circuit's limit. Connected the battery leads (Green = ground, Red = voltage, Black = temperature) to a 5v USB charger for ~20 seconds to revive the protection circuit, and the unit is now charging again. If you're going to do this, know the risks. Thermal runaways in lithium batteries can be extremely volatile.

rbol - 回复

Used these instructions to replace battery in my 5-year old Garmin nuvi 205W (which has the same access and internal geometry).

JRedmond - 回复

Thanks, great demonstration.

peter2x4 - 回复

This is great! I have run into a big problem, though. One of the screws is "unthreaded." The head has become smooth, and I can't unscrew it to get the cover off. Is there any way to get it off???

nancyw - 回复

There are screw bits made specially to extract stripped screws, but if the screw isn't too far below the surface it's going through, the cheap way is to file or grind a slot into the head so you can extract it with a jeweller's flathead.

rbol -

Kein Problem, keine 10 Minuten gebraucht, um im nüvi 255W den Akku zu wechseln!

w.gerrit - 回复

Thanks, esp for an amatuer born before Torx and Phillips and old enough to have learnt not to throw things away.

Maxwell Jordan

Maxwell Jordan - 回复

I found to be one of the easiest repairs, just one step above replacing batteries in a remote control. $15 and it's like new. Just be sure that you have the right tool--T5 is Torx 5, there is no substitute. Also, I pealed off the adhesive from the old battery and put on the new--without that it really did flop around inside.

David Kittlesen - 回复

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