Ideapad U510 Bluetooth & Wlan Problem

Guten morgen Community,
habe o.g. Laptop auf win 8.1 aktualisiert. Nachdem ich den GraKa treiber und es Energy Management endlich zum laufen gebracht habe, stehe ich jetzt noch vor 2 unlösbaren Problemen : 1. Bluetooth erkennt ein anderes Gerät, lässt sich koppeln, und einige sekunden danach, ist die verbindung weg und lässt sich nicht wiederherstellen. Bisher durchgeführte maßnahmen : Bluetooth Gerät gelöscht, neuinstalliert, sowie Treiber gelöscht und den neuesten Intel treiber für den Wireless Adapter installiert (8.1 natürlich ). Das 2. Prob : immer wenn der rechner in den Standby oder energiesparbetrieb geht, ist beim wiederanschalten die wlan verbindung, weg, bzw. der adapter ausgeschaltet. Man muss dann jedesmal den lappi neustarten. Bisher durgeführte massnahmen : im energieprofil, den deepsleep modus ausgeschaltet, und in den Wireless Adaptereinstellungen den Energiesparmodus auch ausgeschaltet. Neuster Win 8.1 Treiber von Intel ist auch hier installiert.
Hatte vielleicht schon jemand dasselbe Problem und einen Lösungsansatz ?
Lg

Hallo KellerPC,
die beschriebenen Symptome sind oftmals auf die Intel Treiber zurückzuführen, da in den aktuellen Versionen für Windows 8.1 diverse Änderungen der Energieverwaltung vorgenommen wurden. Zwei Maßnahmen können helfen, die Leistungsverringerung des WLAN/Bluetooth Kombimoduls bzw. das Deaktivieren nach Standby zu vermeinden:
1. in den Energieeinstellungen des WLAN-Adapters das Häkchen bei "Computer kann das Gerät aisschalten, um Energie zu sparen" aktiviert lassen
2. Wechsel auf zurück auf den Win 8.1 inboxed Treiber (Gerätemanager -> Rechtsklick auf den Adapter -> Treibersoftware aktualisieren -> Auf dem Computer suchen -> Aus einer Liste wählen -> den aufgelisteten Standardtreiber auswählen)
Gruß
Sebastian
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