Here's the [https://www.alisaler.com/acer-aspire-7250-7250g-pegatron-aab70-rev2-0-schematic/|schematic] for the motherboard that may help.
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Here's the [link|https://www.alisaler.com/acer-aspire-7250-7250g-pegatron-aab70-rev2-0-schematic/|schematic] for the motherboard that may help.
Go to p.58 to see where you can check if all the voltage supplies on the motherboard are OK.
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Other than that you may need to get a compatible [https://www.google.com/search?client=firefox-b-d&q=laptop+post+card#ip=1|laptop diagnostic analyzer POST test card] (examples only) that you can plug into the laptop's HDD port or WiFi card port (if there is one) ''''to see what errors are seen on startup to know what the problem may be.
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Other than that you may need to get a compatible [link|https://www.google.com/search?client=firefox-b-d&q=laptop+post+card#ip=1|laptop diagnostic analyzer POST test card] (examples only) that you can plug into the laptop's HDD port or WiFi card port (if there is one) to see what errors are seen on startup to know what the problem may be.
Hi @misscat
Here's the [https://www.alisaler.com/acer-aspire-7250-7250g-pegatron-aab70-rev2-0-schematic/|schematic] for the motherboard that may help.
Go to p.58 to see where you can check if all the voltage supplies on the motherboard are OK.
Other than that you may need to get a compatible [https://www.google.com/search?client=firefox-b-d&q=laptop+post+card#ip=1|laptop diagnostic analyzer POST test card] (examples only) that you can plug into the laptop's HDD port or WiFi card port (if there is one) ''''to see what errors are seen on startup to know what the problem may be.